En Diematic m Delta for DTG 320

08/00 - 94858196 - 8358-4166

DIEMATIC-m Delta

Control panel

for DTG 320 gas-fired boilers

ENGLISH

InstructionsElectrical connections

Start-upOperation

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CONTENTS

1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.2 Description and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42.3 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3. OPERATING MODE (AUTOMATIC - SUMMER - MANUAL OR ”PUMP SWITCH-OFF” MODE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83.1 Automatic mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83.2 Manual Summer mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113.3 Manual mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113.4 Pump switch-off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4. HEATING AND DOMESTIC HOT WATER TEMPERATURE SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5. SELECTING A PROGRAMME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6. "USER" SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156.1 Setting time and date - Summer time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156.2 Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156.3 Programming (customising programme P4, calorifier and auxiliary programmes) . . . . . . . . . . . . . . . . . . . 166.4 Miscellaneous settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176.5 Setting the annual clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7. MESSAGES - ALARMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

8. INITIAL START-UP OR RESTART AFTER A LONG STOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

"USER" SETTINGS TABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . APPENDIX 1

PROGRAMME TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . APPENDIX 2

ASSEMBLY, ELECTRICAL CONNECTIONS AND FITTER SETTINGS(only for the fitter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pink booklet

CONFORMITY / MARKING

This product complies with the following European direc-tives and standards:

- 73/23 CEE Low Voltage Directive

Relevant standard: EN 60.335.1.

- 89/336 CEE Electromagnetic Compatibility Directive

Relevant standards: EN 50.081.1 / EN 50.082.1 /EN 55.014.

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2. GENERAL

The boiler shall be connected by a qualifiedprofessional. Strict compliance with theseconnecting, starting-up and operating instruc-tions is a precondition for the correct opera-tion of the boiler.

2.1 Overview

The Diematic-m Delta control panel is factory-equippedwith a programmable regulator driven by the outsidetemperature, which can control a boiler circuit by act-ing upon a 2-stage burner (DTG 320 S and DTG 320Eco.NOx).

The regulator prevents the installation and the heatedarea from freezing. This protection may be programmedfor long periods of absence: - by selecting the number of days; up to 99 days,

- by an annual programme with 10 pre-programmed andprogrammable time slots during which all or part of theinstallation may be turned off,

- the regulator allows anticipating or optimising the heat-ing by calculating the time at which the heating must bestarted to reach the required room temperature at theset time.

When fitted with the optional domestic hot water sen-sor, (package DB 116), the control panel also offers thefacility to regulate (on a priority basis) and programmedomestic hot water production.It can control on the same way a swimming pool circuitor a second domestic hot water production.

Adding 1 or 2 optional boards (package DB 115) allowsthe control panel to control in addition one or two heat-ing circuits with mixing valve.

When supplemented by one or more room sensors (ana-logic remote control - package BG 20 or interactiveremote control - package DB 118), the DIEMATIC-mDelta control panel becomes self-adapting, i. e. it adaptsitself the heating curve of each circuit to the character-istics of the installation and to the actual heating needswithout any prior setting.

The DIEMATIC-m Delta control panel is fitted with amobile interactive module which may be:

- either fitted on a wall bracket (package BD 117) in anyparticular location (heated area, wall cabinet, caretak-er’s office) in order to offer:

• a remote control facility for all heating functions

• easier accessibility

• a means to keep it out of reach of unauthorisedpersons

- or simply removed for:

• safe keeping

• allowing copying the whole of the programmes and of the parameters from one installation to another.

Cascaded installation

The Diematic-m Delta control panel can control up to10 boilers in cascaded configurations. Only the first ofthese boilers is fitted with the Diematic-m Delta controlpanel. All other boilers are fitted with the K control pan-el and an optional "cascade" board (package AD 135).All boilers are powered separately; On/Off andAuto/Manual switches allow the individual and inde-pendent operation of each boiler.

Remote management or networking withDIEMATIC-VM

The Diematic-m Delta control panel is initially designedto communicate with compatible remote managementor Technical Building Management systems. Its basicversion also may be supplemented with 1 or more (upto 20) DIEMATIC-VM regulators (package AD 120) whichallow controlling two additional hydraulic circuits each.These circuits may be:- a heating circuit equipped with a three-way valve,- a high-temperature heating circuit,- a heating circuit for a d.h.w. calorifier,- an auxiliary circuit.

Other functions

The Diematic-m Delta control panel also offers the fol-lowing functions:

- optimised hydraulic network management:

⇒ controlling the load pump

⇒ delay between shunt pump and isolating valve

⇒ control of the behaviour of the flow in the

decoupling cylinder by means of a specificalgorithm

- the use of a flue gas sensor with each boiler (DB 120)

- connecting the telephone remote control relay DRTwith multi-frequency encoder (package AD 81).

The standard supply of a "DIEMATIC-m Delta" controlpanel for use with a circuit without valve includes:

- 1 external sensor measuring the outside temperature,

- 1 boiler sensor measuring the temperature of the waterin the boiler.

1. INTRODUCTION

The Diematic-m Delta control panel is specificallydesigned for use in medium and high-power heatingsystems. It is fitted on the DTG 320 Eco.NOx and DTG320 S De Dietrich boilers.

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2.2 Description and operation

A. Boiler thermometer

B. Main ON / OFF switch

C. Pump ON / OFF switch

D. 3-position switch:- "AUTO" position: operation controlled by the

DIEMATIC regulator

- "MANUAL" position- Safety thermostat "TEST-STB" position

E. Alarm indicator + reset button

F. Burner switch

G. Stage 1 and stage 2 operation indicators

H. Boiler thermostat (adjustment range: 40 to 90°C)

J. Delayed-action 4 A circuit-breaker with manualreset

K. Safety thermostat(cut-off temperature: 110 °C)

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8502N104

Control panel

The "DIEMATIC-m Delta" control panel allows regulat-ing the boiler temperature according to the outside tem-perature by acting upon the burner.Boiler thermostat H is set to the maximum position.The safety thermostat K with manual reset (set to 110°C)ensures safe operation.

In addition, connecting a room sensor allows makingthe heating curve self-adaptive (gradient and paralleloffset).

The "installation antifreeze" function is active in all oper-ating modes. It starts as soon as the outside tempera-ture drops to the limit value pre-set to 3 °C. (see pinkbooklet "Fitter settings table" # LIMITED TEMP., lineOUT. ANTIFREEZE)

Domestic hot water regulation is performed by the reg-ulator acting upon the load pump, thanks to the calori-fier sensor. DHW looping may be performed via the"AUX" auxiliary contact, which is programmed sepa-rately.

The regulator also offers protection against "Legionellapneumophilia", which are responsible for theLegionnaire’s disease.

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INSTRUCTIONS BOOKLET

FOR DIEMATIC-m DeltaINTERACTIVE

CONTROL MODULE

Miniature operating instructions: an instructions man-ual with brief instructions (programming, temperaturesetting, ...) can be found in the flap of the mobile inter-active control module .

8800N070

6

1. Display (see details on page 5)

2. Temperature setting keys

"Comfort" temperature

"Reduced" temperature

"Domestic hot water" temperature (if a calorifier has been connected)

Note: when pressing one of these keys, the variousprogrammes are displayed.

3. or setting keys

4. Operating mode selection keys (blue keys)

: automatic mode

The four keys below are used to make the boiler devi-ate from the "AUTO" mode

: forced comfort temperature operation

: forced reduced temperature operation

: antifreeze mode

: calorifier loading enabled mode

5. Selection keys

: manual “Summer" switch-off: the heatingsystem is switched off, but the "Domestic Hot Water"function remains on. When this function is active,

the symbols and Su are displayed. Seesection 3.

Note: this function is independent of the "automaticheating switch-off" function in summer, when the out-side temperature exceeds the "outside heating switch-off temperature" - see "User settings" (in this case,only the symbol "E" is displayed).

: Circuit A, B or C selection key The selected circuit is displayed in area i.

: P1, P2, P3 or P4 heating programmeselection key

The regulator has 4 factory-set heating programmesP1, P2, P3 et P4 - see description in APPENDIX 2.Programme P4 is user- modifiable (see section 6.3).

6. Settings and measurement access keys

titles scrolling

lines scrolling

back to the previous line

7. Programming keys

“Comfort“ period writing (half-hour periods) or calorifier loading enabled (dark area)

reduced period writing (half-hour periods) orcalorifier loading disabled (light area)

return to the graphic bar of the programme

8. :"standard" programme key. Allows activating P1 and replacing the programmes of allcircuits with their factory settings:P1 : MON... - ... SUN: 6a.m.to 10p.m.P4 : MON... - ... FRI: 6a.m. to 8a.m.,

11a.m. to 1.30p.m., 4p.m. to 10p.m.SAT: 6a.m. to 11p.m.SUN: 7a.m. to 11p.m.

D.H.W. programme: 5a.m. to 10p.m. (heatingenabled)

AUXIL. programme: 6a.m. to 10p.m.

9. : Fitter settings access key

PROG

A,B,C

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1

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A

A,B,C PROG

STANDARD

3

89

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78555N132-GB

Mobile interactive control module

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- 20°C 1388 Ω- 15°C 1450 Ω- 10°C 1514 Ω- 5°C 1579 Ω

0°C 1646 Ω5°C 1714 Ω

10°C 1784 Ω15°C 1855 Ω20°C 1927 Ω

25°C 2001 Ω30°C 2077 Ω40°C 2232 Ω50°C 2393 Ω60°C 2559 Ω70°C 2732 Ω80°C 2910 Ω90°C 3094 Ω

2.3 Technical specifications

- Electrical power supply: 230 V - 50 Hz

- Clock power reserve: 2 years minimum

- Switching power of each output : 2 A cos ϕ = 0,7

(= 450 W or 1/2 cont. HP motor)

- Burner protected with a delayed action 4 A circuit-breaker with manual reset.

Ohmic values of the water sensors and external sensor:

a : graphic display bar displaying the programmeof circuit A, B or C (in area i).- a light area b indicates "reduced" heating peri-ods or periods when calorifier loading is inhib-ited- a dark area c indicates "comfort" heating peri-ods or periods when calorifier loading is autho-rised

d : flashing cursor indicating the current time

e : text display

f : digital display (current time, set values,parameters, etc.)

g : active programme display, P1, P2, P3, P4orSu: automatic “Summer“ switch-off

h : indicators of the active status of thefollowing inputs and outputs:

: Burner operatiuon

: DHW loading pump operation

Display

: forced "Summer" mode

: DHW loading in electric mode

i : circuit operation indicators:: status of the 3-way valve of the displayed

circuit (if the option is connected):: opening: closing

: Operation of the circulating pump of the displayed circuit (A, B or C)

A, B or C : circuit whose parameters are displayed.

j : arrows

flash when the or keys must be usedto set the displayed parameter.

k : Mark displayed above the active "mode" key (blue key).

b c d f g

j

a

e

h

k i

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A B C

8199N105-GB

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3. OPERATING MODE

3.1 Automatic mode

3.2 Manual Summer mode

3.3 Manual mode

3.4 Pump switch-off

8502N106

3.1 Automatic mode

Set main switch B to , set switches:

- D to AUTO position

- F to 2 (2-stage version)

- C to position.

The operating modes described below can be selectedusing the blue keys (4).

Note:

- Keys , , , control simulta-neously all the connected circuits A, B or C.

- To change the operating mode ("AUTO", Comfort " "

or Reduced " ") for any one of the heating circuits,use the interactive remote control (package DB 118) orthe analogic remote control with room sensor (packageBG 20) connected to that circuit (sensors supplied asan option). Such a control may be used for each of theconnected circuits.

- Any deviations activated on the remote control (BG20) have priority over the deviations selected on thecentral regulator.

"AUTO" mode

Allows the automatic operation of the various heating(P1, P2, P3 or P4) and domestic hot water programmesfor each day of the week.

- Refer to section 5 for details about selecting the pro-gramme for each circuit (A, B and C).

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"Comfort" temperature forced mode

Allows the operation in "Comfort" mode, regardless ofthe heating programme.

Press the button briefly to obtain a temporary devi-ation from the programme up to midnight of the currentday. When the "Temporary comfort" mode is active, ablinking arrow is displayed above key .

Keep the button pressed down for over 5seconds to make the "Comfort" deviation last for anillimited period of time. When the "Permanent Comfort"mode is active, a steady arrow is displayed above key

.

To cancel this deviation, press .

"Reduced" temperature forced mode

Allows the operation in "Reduced" mode, regardless ofthe heating programme:

Press the button briefly to obtain a temporary devi-ation from the programme up to midnight of the currentday. When the "Temporary reduced" mode is active, ablinking arrow is displayed above key .

Keep the button pressed down for over 5seconds to make the "Reduced" deviation last for anillimited period of time. When the "Permanent Reduced"mode is active, a steady arrow is displayed above key

.


3.1 Automatic mode (continued)

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Forced "Calorifier load enabled" mode

Enables the re-heating of the calorifier regardless of theclock DHW programme. When the calorifier requires

heat, the symbol is displayed:

Press the button briefly to obtain a temporary devi-ation from the programme up to midnight of the currentday. When this mode is active, a blinking arrow is dis-

played above key .

Keep the button pressed for over 5 seconds tomake the deviation valid for an illimited period of time.When this function is seleced, a steady arrow is dis-

played above key .


It the auxiliary output is used for domestic hot waterlooping, the looping pump is started again by this devia-tion if the S.AUX parameter is set to PROG.DHW.

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Antifreeze mode

The heating and domestic hot water systems are off,but the installation still is monitored and protected fromfreezing. The room temperature in "antifreeze" mode ispre-set to +6°C.

Immediate antifreeze for N days:

- Press key : the display shows "DAYSANTIFREEZE".

- Set the required number of days (current day = 1) using

keys and (up to 99 days).

- The antifreeze mode becomes active as soon as key

is pressed or after 2 minutes and a steady arrowis displayed above the key.

- The antifreeze mode is cancelled by resetting the num-ber of antifreeze days or when the set time has elapsed.

Antifreeze from a specified date

- Press key

- Set the required number of days (current day = 1) using

keys and (up to 99 days).

- Press key once again and set the date onwhich the antifreeze mode is to be activated using

keys and .

- The antifreeze beginning date is saved as soon as key

is pressed or after 2 minutes and a flashing arrow

is displayed above key up to the date when theantifreeze function becomes active.

- As soon as the antifreeze function becomes active,the arrow becomes steady.

- The antifreeze mode is cancelled by resetting the num-ber of antifreeze days or when the set time has elapsed.

Permanent antifreeze

- Press key for 5 seconds: the antifreeze func-tion becomes active for an illimited period of time. Whenthis function is active, a steady arrow is displayed above

key .

- To cancel the antifreeze mode, select any other oper-

ating mode via the blue keys (e.g. ).

Calorifier antifreeze

- The calorifier antifreeze function is automatically acti-vated when the calorifier temperature drops below 4°C;the water in the calorifier is then heated to 10°C.

Notes

- The antifreeze protection is provided for the calorifierand each heating circuit regardless of the setting of therelevant room sensor. The room temperature in"antifreeze" mode is pre-set to +6°C. This value maybe changed if a room sensor is provided (see APPEN-DIX 1 "User" settings table, paragraph # SETTINGS,line ANTIFR. ROOM A, B or C).

- The permanent "antifreeze" mode may also be select-ed via the optional telephone remote control.

N.B.

In some cases (e.g. schools), the use of the annual clock(# ANNUAL PROG. see section 6.5) with 10 switch-offperiods with antifreeze monitoring may prove to be moresuitable.

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3.4 Pump switch-off

Set switch C to position : this position allows themanual switching off of all pumps, for instance to testthe safety thermostat without heating up the entire instal-lation.

During normal operation, this switch must be on .

8502N107

Set switch D to position .

This position may be selected to carry out the burnersetting for instance, or if the electronic regulator fails:

- the burner is forced to operate with the number ofstages indicated by the position of burner switchF

- the boiler temperature is no longer limited by theregulator

- the boiler thermostat (ref. H) allows setting theboiler temperature

- the pumps are started

- the valves are not regulated, and may therefore becontrolled manually if necessary

- the display is off.

3.3 Manual mode

3.2 Manual Summer mode - KEY (located under the flap)

The ”Summer” mode allows switching off the heatingsystem while enabling the domestic hot water produc-tion.

- To activate this function, press key (located underthe flap) for 5 seconds.

- The symbol appears on the display, followed by”Su” when the regulator switches to the ”Summer” mode.

- To cancel the manual “Summer“ mode, press key once again for 5 seconds.

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A

A,B,C PROG

STANDARD

8555N133

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Notes:

- This function is independent of the "automatic heat-ing switch-off" function, which switches the heating offin summer when the outside temperature exceeds theoutside heating “switch-off" temperature - see "Usersettings" (SIM/WIN TEMP). In this case only the "Su"symbol is displayed.

- This key is inactive on interactive remote controls con-figured for a "SINGLE CIRCUIT" (see the instructionssupplied with the optional unit).

- When the heating is off while the “Summer“ mode isactive, the pumps are started once a week for oneminute, to prevent fouling.

Forced ”SUMMER”mode

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4. HEATING AND DOMESTIC HOT WATER TEMPERATURE SETTINGS

8199N145(GB)

0 2 4 6 8 10 12 14 16 18 20 22 24

Comfort temperature Reduced temperatureTanktemperaturesetting

Heating temperatures settings

The temperature settings for the "Comfort" (dark area inthe graphic bar) and "Reduced" (light area in the graph-ic bar) periods may be set separately for each circuit A,B ou C (if any) as follows:

Select the Comfort or Reduced tempera-ture for the desired circuit by pressing the key repeat-edly.

Set the temperature using the keys and .

Note: the graphic bar displays the heating programmeof the displayed circuit for the current day.

End of setting: after the setting is completed, thenormal display reappears after 2 minutes or when the

key is pressed..

Caloifier temperatures settings

Select the Comfort or Reduced temperature for thedomestic hot water calorifier by pressing repeatedly the

green key

Set the mean domestic hot water storage tempera-

ture using keys and .

End of setting: after the setting is completed, thenormal display reappears after 2 minutes or when the

key is pressed.

Note: if there is no domestic hot water sensor, press-ing this key has no effect.

Note: the heating programme of each connected cir-cuit for the current day can be viewed on the graphic

bar with the help of keys or .

Tempe-Setting range

Factoryrature setting

Comfort 10 to 80° CSetting in 1 °C steps 55 °Cwith keys

and

Reduced 10 to 80° CSetting in 1 °C steps 10 °Cwith keys

and

Tempe-Setting range


Comfort 5 to 30° C

Setting in 0,5° C steps 20° C

with keys and

Reduced 5 to 30° C

Setting in 0,5° C steps 16° C

with keys and

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Swimming pool or second DHW calorifier tempera-ture setting

Select the Comfort temperature for the swimming pool

or the 2nd calorifier by pressing key repeatedly.

Set the mean temperature of the swimming pool or of

the 2nd calorifier with keys and .

Note: the graphic bar displays the heating programme ofthe displayed circuit for the current day.

End of setting: after the setting is completed, the nor-mal display reappears after 2 minutes or when the

key is pressed.

Tempe-Setting range


Comfort AF: antifreeze position ofthe swimming pool primary

0,5° C to 35° C 20° CSwimming pool operation

36° C to 80° CDHW-type operationThe priority level selected for the DHW circuit alsoapplies to this 2nd

calorifier

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5. SELECTING A PROGRAMME

Calorifier programme (domestic hot water)

The regulator comes with a factory-set domestic hotwater programme.

To save a customised calorifier programme, see sec-tion 6.3.

Heating programmes

The DIEMATIC-m Delta regulator comes with 4 heatingprogrammes P1, P2, P3 and P4.

The unit is factory-set to programme P1.

Programme P4 is user-modifiable.

The choice of one of the programmes P1, P2, P3 or P4is particularly useful for adapting the heating to thelifestyle of the occupants (holidays, working in shiftsetc.).

To select a programme P1, P2, P3 or P4 for circuitsA, B or C :

- select the circuit with key : the name of the select-ed circuit is displayed

- select programme P1, P2, P3 or P4 with key .

The selection is validated automatically.

- The selected programme will run automatically if no

deviation has been selected with keys , , or after pressing key .

To customise programme P4, refer to section 6.3.

PROG

A,B,C

Programmes description

Auxiliary programme

The regulator comes with a factory-set auxiliary contactprogramme.

To save a customised programme, see section 6.3.

Note: the heating programmes of each connected cir-cuit for the current day can be viewed on the graphic

bar with the help of keys or .

Calorifier programme (factory settings):

Note: the domestic hot water programme for the cur-rent day can be viewed on the graphic bar by pressing

key .

Standard programme

The standard programme can be selected by pressing

key for 5 seconds: programme P1 becomesactive and the possibly saved user-modified P4, calori-fier and auxiliary progammes are replaced with the fac-tory settings described above.

Auxiliary programme (factory settings):

DAY Loading enabled from:MON. to SUN. 5a.m. to 10p.m.

DAY Operation enabled from:MON. to SUN. 6a.m. to 10p.m.

Programme Comfort periods

P1 MON - SUN :6a.m. - 10p.m.

P2 MON - SUN :4a.m. - 9p.m.

P3 MON - FRI :5 - 8a.m. , 4 - 10p.m.SAT, SUN :7a.m. - 11p.m.

P4(Factory setting) MON - SUN : 6 - 8a.m. , 11a.m. -1.30p.m.,see section 6.3. 4 - 10 p.m.

SAT : 6a.m. - 11p.m.SUN : 7a.m. - 11p.m.

0 2 4 6 8 1010 1212 1414 1616 1818 2020 2222 2424

A

A,B,C PROG

STANDARD

8555N134-GB

15

The keys for access to settings and measurements andthe programming keys located under the flap on the left-hand side of the control module allow modifying the pro-grammes and setting various parameters.

The parameters are organised in paragraphs having atitle beginning with the # symbol, and lines correspondingto the parameters to be adjusted:

key allows accessing to the paragraphs

key allows scrolling the lines

key allows returning to the previous line or paragraph.

The composition of the paragraphs and the order inwhich they are displayed is given in APPENDIX 1(User level).

- # MEASURES (see section 6.2)- # PROG. (see section 6.3)- # ANNUAL PROG. (see section 6.5)- # SETTING (see section 6.4)- # TIME.DAY (see section 6.1)

Note: the various settings and programming remainsaved even after a power supply breakdown.

6.2 Measurements

The "# MEASURES" paragraph allows reading the fol-lowing parameters (see the list in APPENDIX 1.)

- Boiler water temperature(s)

- Circuit B water temperature

- Circuit C water temperature

- Calorifier water temperature

- Swimming pool temperature

- Room temperature A (With the setting button of the relevant remote control(package BG 20) on the middle position)

- Room temperature B(With the setting button of the relevant remote control

(package BG 20) on the middle position)

- Room temperature C(With the setting button of the relevant remote control(package BG 20) on the middle position)

- Outside temperature

- Flue gas temperature(s)

- Number of burner(s) operating hours (FCT. BRUL.)

- Number of burner(s) starts (NB. IMPULS).

0 2 4 6 8 10 12 14 16 18 20 22 24

A

A,B,C PROG

STANDARD

BackAccess tolines

Access to paragraphs

Keys for access to settingsand measurements

Programmingkeys

Settings

"Standard" programme8555N136-GB

6.1 Setting time and date - Summer time setting

Use key to select paragraph # TIME.DAY.

Select each line required with key and set the

displayed value with the help of keys and .

SUMMER TIME: time may be set AUTOmatically orMANUally (factory setting: AUTO): the regulator is pre-programmed to switch automatically to summer time onthe last Sunday in March and to winter time on the lastSunday in October. When the setting is on “manual“(MANU) the automatic change does not take place.

6. ”USER” SETTINGS (See chronological table in APPENDIX 1)

6.1 Time, date, summer time setting6.2 Measurements6.3 Programming

6.4 Miscellaneous settings6.5 Annual clock setting

16

6.3 Programming (customising P4, calorifier and auxiliary programmes)

Programme P4 (factory setting) comfort periods:

Mon. to Fri.: 6 to 8am., 11p.m. - 1.30 p.m., 4 - 10 p.m.Sat. : 6a.m. - 11p.m.Sun. : 7a.m. - 11p.m.

Calorifier programme (factory setting) :

5a.m. - 10p.m.: loading enabled

Auxiliary programme (factory setting) :

6a.m. - 10p.m.: connected device operation enabled

Customising a programme :

Write the customised programmes in the tables oppo-site (or in APPENDIX 2) and save them as follows:

Press key to select the paragraph:"# PROG. 4 CIRC. A","# PROG. 4 CIRC. B","# PROG. 4 CIRC. C","# PROG. DHW", or "# PROG. AUXIL." (see list of paragraphs in APPEN-DIX 1).

Select the consecutive lines with key

Note: the programme selected for the "EVERY DAY"line is automatically copied to the other lines, which canthen be modified individually.

Program the dark areas with key and the light

areas with key (in half-hour steps).

- the dark areas show the "Comfort" heating peri-ods and the periods when operation is allowed.

- the light areas show the "Reduced" heating peri-ods and the periods when operation is not allowed.

Use key to move back in the event of an error.

Proceed similarly for each circuit if any.

End of programming: press . Otherwise, theprogramme will be validated automatically after 2 min-utes.

Notes:

- Pressing for 5 seconds activates P1 andallows replacing the programme for all circuits with theirfactory settings (see above).

- The key has no effect in interactive remotecontrols configured for a “SINGLE CIRCUIT” (see theinstructions supplied with the optional wall bracket).

Customised programmes

PROG 4 CIRC…

PROG 4 CIRC…

PROG AUXIL.: auxiliary contact

Days "Comfort" periods:

PROG DHW: domestic hot water

Days Operating periodenabled:

Days Calorifier loadingenabled:


17

6.4 Miscellaneous settings

Use key to select paragraph "# SETTING" (seetable in APPENDIX 1), then display the desired para-

meter with key .

Set the following lines using keys and :

0 2 4 6 8 10 12 14 16 18 20 22 24

A

A,B,C PROG

STANDARD

Access to paragraphs and lines

Settings

8555N137-GB

BEEP disables or enables the sound alarm (factorysetting: ON)

CONTRAST: allows setting the contrast of the dis-

play with keys and .

BACK LIGHT: allows turning the lighting of the dis-play on or off. This display is active during the "Comfort"

( ) periods. However, if any key is pressed during a

"Reduced" ( ) period, the display lights up for 2 min-utes. The setting is validated by pressing "AUTO".

CALIBR. OUT (outside sensor calibration)allows correcting the temperature displayed on the con-trol panel in relation to the actual outside temperature,especially if the cable is very long.Measure the outside temperature with a thermometer,then set the variation desired on the display with keys

or .

Example: actual outside T° measured with a ther-mometer = 10°C, T° displayed on the control panel 11°C:

set CALIBRATION on - 1 with the help of key .

Note: calibration only becomes effective after someseconds, and the display is only corrected after thistime.

SUM/WINTallows setting the (stabilised) outside temperature abovewhich the heating function is automatically switched off:- the heating pump(s) is (are) switched off

- the burner only starts for producing domestic hot water.

-the Su symbol is displayed.

If this parameter is set to OFF, the heating will never beswitched off automatically.

Note: this setting is not accessible with interactive remotecontrols configured for a "SINGLE CIRCUIT".

PERMUT (cascaded installations only)The user can select the permutation leading boiler: 1,2..., 10 or "AUTO".

In the "AUTO" position, the regulator automaticallychanges the leading boiler after every 50 hours of oper-ation of the 1st stage of the boiler burner.

Example: Cascade with 3 boilers.

PERMUT 2 means that boiler 2 is theleading boiler and that the operating orderis 2-3-1.

18

ANTIFREEZE ROOM. … (room antifreeze)Allows setting the minimum room temperature which isto be maintained in antifreeze mode for each circuit.Thistemperature is only controlled if the room sensor is

connected. Without room sensor this parameter is notdisplayed and the set temperature is 6°C (not adjust-lable).

6.5 Setting the annual clockProceed as follows to set an annual clock:

The annual clock allows programming up to 10 periodsover a year, during which heating is switched off.The circuits selected for this switch-off are maintainedin ”Antifreeze” mode for the selected period (see descrip-tion on page 8).

Use key to select paragraph # ANNUAL PROG.,

then line to select one of the 10 periodsavailable.(see the ”User” settings table on page 20).

Select the circuits to be switched off with keys

or :

NO = no circuit to be switched off

ALL = circuits A, B, C and DHW

ABC = circuits A, B and C

AC = circuits A and C

AC + W = circuits A, C and DHW

BC = circuits B and C

BC + W = circuits B, C and DHW

A = circuit A,

B = circuit B,

C = circuit C

Set the switch-off starting and ending dates for theselected circuit (see table opposite) with keys

then or .

To cancel a switch-off period, simply select theperiod and set it to NO

If required, select another period with key.

Switch-off Circuit Starting Endingperiod no. date date

1 NO 01-11 10-11

2 NO 20-12 02-01

3 NO 20-02 05-03

4 NO 20-04 05-05

5 NO 01-07 31-08

6 NO 01-01 01-01

7 NO 01-01 01-01

8 NO 01-01 01-01

9 NO 01-01 01-01

10 NO 01-01 01-01

Annual programme (factory setting)

Switch-off Circuit Starting Endingperiod no. date date

1 AC 01-11 10-11

2

N.B.: if the switch-off is set to NO, it is disabled andthe relevant starting and ending dates are notdisplayed.

Example of a customised programme

CALIBR. ROOM … (room calibration)

- with room sensor: allows correcting the room tem-perature displayed on the control panel in relation withthe actual room temperature. Measure the room tem-perature with a thermometer, then set the variation

desired on the display with keys or .

Example: measured room T° = 20°C, T° displayed onthe control panel = 19°C: set CALIBRATION on + 1

Note: when an interactive remote control is connected,carry out this setting 2 hours after powering, so as toenable the room temperature to stabilise.

- without room sensor: allows calibrating the regula-tor in relation with the actual room temperature. Measurethe room temperature in a typical room with a ther-mometer, then set the variation desired for the room

temperature on the display with keys or . Thissetting is to be carried out only after the temperaturesare stabilised.

Example: set T° = 20°C, measured T° = 19°C: setCALIBRATION on + 1.

Note 1: calibration only becomes effective after someseconds, and the display is only corrected after thistime.

Note 2: the swimming pool temperature may be cali-brated via CALIBR.ROOM A.

19

In the event of any malfunction, the display may show thefollowing messages accompanied with a sound alarm

(2 beeps per minute over 10 minutes). Press any key tostop the sound alarm.

7. MESSAGES - ALARMS

* IRC : Interactive Remote Control

(displayed onlyof an analogicremote controlof the BG20type is con-nected)

(See remotecontrol)

MESSAGE PROBABLE CAUSE REMEDY

HANG ME UP The remote control has been disconnected Place the module back on the (only displayed on inter- from its bracket for over 2 hours wall bracket.active remote controls (after a 24-hour charging) and requires which are disconnected re-charging (all settings and parametersfrom the wall bracket) remain saved even if power is cut off).

SHOW REM. CTRLDisplayed when the blue , or In order to select the modes ,

key of the boiler control module or the wall bracket is or from the boiler- pressed and when the operating mode selector control module or the wall bracket,

of the analogic remote control (BG20) the 3-position selector ” - - ”

” - - ” is on or . of the BG20 remote contol must be

on the automatic position: .

On the wall IRC* module: - The boiler On/Off switch ref. B (see p. 21) is on - the display will become normal again

COMMU. DEFAULT ”Off” . In this case, the message means that when the boiler will be turned on. As the(communication failure): the boiler has been switched off and that the IRC* IRC* is battery-powered, the ”COMMU.

cannot communicate with it. DEFAULT” message will be maintained Means that there has as long as power will be supplied by thebeen no communication battery (approximately 2 hours).between the module and

the boiler for over 5 min. - The ”AUTO/ ” switch is on manual - put the ”AUTO/ ” switch onposition ”AUTO”

- Power failure in the boiler room, - check the electrical installation- cable cut off - check the connections and call- poor contact between connecting cable your fitter.and boiler or wall bracket.

- regulator failure.

On the boiler control - poor contact at the 20-pin connectors - check the connections and callmodule: - flat cable cut off your fitter.

DEFAUT COMMU. - regulator failure(communication failure):

Means that there hasbeen no communicationbetween the module andthe boiler for over 5 min.

BURNER FAILURE - burner disconnected - connect the burner connector- boiler thermostat ref. H (see p. 21) set - put it on the maximum position

The burner control circuit too lowis cut off - safety thermostat ref. K (see p. 21) tripped - reset it and call your fitter

- Burner out of order, etc. - reset the burner or call yourfitter.

- safety contact (CS) open (if the S.F. BOILER - call your fitterparameter in the ”Fitter settings” -page # MISCELLANEOUS is on OFF.

- BOILER S. FAIL. The circuit of the relevant sensor has been To erase the message, briefly switch the- OUTSI. S. FAIL. cut off or short-circuited. power supply of the boiler off with the- OUTL. S. B FAIL. On/Off switch and call your fitter.- OUTL. S. C FAIL. It is however still possible to operate- SWIMING S. FAIL. the relevant part of the installation- ROOM S. A FAIL. in ”Manual” mode.- ROOM S. B FAIL. See notes below.- ROOM S. C FAIL.- DHW S. FAIL.- SMOKE S. FAIL.

20

Notes:

In the event of a sensor failure, the installationcontinues to operate with the following restrictions:

- BOILER S. FAIL and OUTSI S. FAIL:

The whole installation switches automatically to ”Manual”mode: the burner is controlled by the boiler thermostatH. All pumps are operating and the valves are no longerpowered. They may be controlled manually if neces-sary.Temperature setting is carried out by means of boilerthermostat H.

- OUTL S. A, OUTL S. B and OUTL S. C FAIL.:

The relevant circuit switches automatically to ”Manual”mode, the pump operates and the valve is no longerpowered. It may be controlled manually if necessary.Temperature setting is carried out by means of the boil-er thermostat and of the valves.

- SWIMING S. FAIL:

Automatic operation in configuration without swimmingpool sensor.

- ROOM S. A FAIL., ROOM S. B FAIL. and ROOM S.C FAIL.:

Automatic operation in configuration without room sen-sor.

- DHW S. FAILURE:

Domestic hot water is no longer heated automatically. Toensure domestic hot water production, switch to manual

mode with the ”AUTO/ ” switch - see section 3. Thecalorifier loading temperature is equal to the boiler tem-perature.

- SMOKE S. FAIL :

This failure has no effect on the operation.

21

8. INITIAL START-UP OR RESTART AFTER A LONG STOP

Before turning the boiler on, make sure that the instal-lation is filled with water.

Carry out the start-up operations in the order indicatedbelow:

Check the position of the following switches

D must be on AUTO,

F must be on 2 (2-stage version),

C must be on .

Make sure that thermostat H is on the maximum posi-tion (between marks 7 1/2 and 9).

Make sure that safety thermostat K is ready. To do so,unscrew the hexagonal cap of the safety thermostat andpress the reset button with a screwdriver.

Set the main On/Off switch B to On .

The temperatures set for each circuit and the domestichot water temperature can be adjusted at any time usingtemperature setting keys 2 (see section 4).

Select the operating mode with the blue selection keys4 (see section 3).

Select the programme(s) for each heating circuit, for theDHW circuit and for the auxiliary circuit (see section 5).

D I E M T I C

30 0

I

5

41

1 2

23

67

8

9

F H KDCB4

2

4A

8502N108

Initial start-up shall be performed by a qual-ified professional.

In the case of a cascaded boilers installation

Set the number of stages of the cascaded boiler(s).See section 11 - User settings, # FITTER PARAM.

22

PRESS DISPLAY PARAMETER ADJUSTED FACTORYSETTING

# MEASURES Display of the following values:

BOILER TEMP... - Boiler water temperature

OUTLET TEMP B* - Circuit B water temperature

OUTLET TEMP C* - Circuit C water temperature

DWH TEMP* - DHW calorifier temperature

ROOMTEMP A* - Room temperature A (potentiometer in middle position)

SWIMMING P.T. - Swimming pool temperature

ROOMTEMP B* - Room temperature B (potentiometer in middle position)

ROOMTEMP C* - Room temperature C (potentiometer in middle position)

OUTSIDE TEMP - Outside temperature

SMOKE TEMP* ... - Flue gas temperature

RUNTIME 1.1 - Number of operating hours of boiler 1 stage 1


- - -



NB IMPULS. 1.1 - Number of starts of boiler 1 stage 1


- - -



CTRL CDI (1)

CTRL UC (2) Information for the fitter’s use only

CTRL CH ...(3)

# PROG 4 CIRC.A* P4 heating programme for boiler circuit A, if connected MON, TUE...

PROG EVERY DAY - For each line opposite or for the lines selected, programme the "Comfort" ... FRI

PROG MONDAY periods with the key or the reduced temperature periods with the 6 - 8a.m.,

PROG TUESDAY key. These periods will be displayed in half-hour steps on the program- 11a.m.-1.30p.m.,

PROG WEDNESDAY ming bar of the display. The programme selected for the "EVERY DAY" line 4 - 10p.m.

PROG THURSDAY is automatically copied to the other lines, and may then be modified separately SAT:

PROG FRIDAY for each day. If the key is pressed for 5 seconds, the P4, DHW 6a.m.-11p.m.

PROG SATURDAY and AUXIL. programmes are erased and replaced with the factory-set SUN:

PROG SUNDAY programmes. 7a.m.-11p.m.

# PROG 4 CIRC.B* P4 heating programme of valve circuit B if connected same as

Lines as above (same as above) above

# PROG 4 CIRC.C* P4 heating programme of valve circuit C if connected same as

Lines as above (same as above) above

# PROG DHW* Programmation du ballon (si la sonde ECS est raccordée) 5a.m. - 10 p.m.

PROG EVERY DAY - For each line opposite or for the lines selected, programme the "Comfort"

PROG MONDAY periods with the key or the reduced periods with the key.

PROG TUESDAY These periods will be displayed in half-hour steps on the programming bar of

PROG WEDNESDAY the display. The programme selected for the "EVERY DAY" line is automatically

PROG THURSDAY copied to the other lines, and may then be modified separately for each day.

PROG FRIDAY If the key is pressed for 5 seconds, the P4, DHW and AUXIL.

PROG SATURDAY programmes are erased and replaced with the factory-set programme.

PROG SUNDAY

APPENDIX 1 - "USER" SETTINGS TABLE

then

- See explanations in section 6.- The paragraphs and lines are stated in their order ofdisplay.

Note: at the end of the setting, data is saved after 2

minutes or by pressing key .

then

then

then

then

(1) CDI = IRC (Interactive Remote Control)(2) U.C. = Central unit(3) Central unit boiler 2 to 10

* The line or paragraph is displayed only when the relevantoptions, circuits or sensors are actually connected.

23

PRESS DISPLAY PARAMETER ADJUSTED FACTORY SETTING CUSTOMERSETTING RANGE SETTING

# PROG AUXIL Programme for the auxiliary contact (e.g.: DHW looping pump) 6a.m.-10p.m.

or for pump permutation

PROG EVERY DAY For each line selected or for the lines selected , program the

PROG MONDAY operating periods of the unit connected with the help of the key

PROG TUESDAY , and the periods during which the unit shall not operate with the

PROG WEDNESDAY help of key . These periods will be displayed in half-hour steps on

PROG THURSDAY the programming bar of the display. The programme selected for the

PROG FRIDAY "EVERY DAY" line is automatically copied to the other lines and may

PROG SATURDAY then be modified separately for each day. If the key

PROG SUNDAY is pressed for 5 seconds, the P4, DHW and AUXIL. programmes

are erased and replaced with the factory-set programme.

# ANNUAL PROG. Allows setting the annual clock

STOP N 1 Allows selecting the circuits to be switched off NO

BEG.DATE* N 01 Allows setting the starting date of switch-off period 1 01-11

END.DATE* N 01 Allows setting the ending date of switch-off period 1 10-11



















APPENDIX 1 - "USER" SETTINGS TABLE (continued)- See explanations in section 6.- The paragraphs and lines are stated in their order ofdisplay.



then


then

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

24


STOP N° 8 Allows selecting the circuits to be switched off NO









# SETTING The following parameters can be set by means of the

and keys.

BEEP -The regulator is fitted with a sound alarm device ON ON or OFF

(see section 7. MESSAGES - ALARMS). Set on "Off" to

disable the beep.

CONTRAST DISP. - Allows setting the display contrast by means of the

and keys.

BACK LIGHT - Allows turning the display light on or off. Display light is on ON ON or OFF

when a Comfort period of the displayed programme is running.

PERMUT* - Selection of the leading boiler in a cascaded configuration AUTO AUTO, 1 to 10

Auto: automatic permutation after every 50 hours of burner

operation

Fixed: the leading boiler is imposed by the user

SUM/WIN - Outside temperature required for heating shut-off 22°C 15 to 30°C, NO

CALIBR. OUT - External sensor calibration 0,0 -5,0 to +5,0 K

CALIBR. ROOM A* - Circuit A room sensor calibration. This value must be modified 0,0 -5,0 to +5,0 K

with the room sensor set to the middle position (4).

ANTIFR. ROOM A* - Room temperature for activating the antifreeze function 6°C 0,5 to 20°C

CALIBR. ROOM B* as for circuit A

ANTIFR. ROOM B* as for circuit A

CALIBR. ROOM C* as for circuit A

ANTIFR. ROOM C* as for circuit A

APPENDIX 1 - "USER" SETTINGS TABLE (continued)

- See explanations in section 6.- The paragraphs and lines are stated in their order ofdisplay.



(4) Analogic room sensor (package BG 20)


then

then

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

NO, ALL, ABC,

AC, AC+W, BC,

BC+W, A, B, C

25


# TIME.DAY Clock setting

HOURS - hours with and

MINUTE - minutes with and

DAY - day with and

DATE - allows setting the date if necessary

YEAR and the year with and

SUM. TIME - Time is shifted automatically one hour forward on the last Sunday AUTO AUTO or

in March and shifted one hour back on the last Sunday in October MANU

to take the summer time into consideration.

This function can be inhibited by setting it to "MANU" using keys

and .

APPENDIX 1 - "USER" SETTINGS TABLE (continued)- See explanations in section 6.- The paragraphs and lines are stated in their order ofdisplay.



The user shall not modify the ”Fitter settings”,or act upon the ”TEST” mode described inthe connection and installation instructions.

then

26

APPENDIX 2 : PROGAMME TABLES

HEATING PROGRAMMES:

P1: selected for circuit: …………………………………

P2: selected for circuit: …………………………………

P3 : selected for circuit: …………………………………

P4 (factory setting) selected for circuit: …

”STANDARD” PROGRAMMES:

Pressing the key for 5 seconds activates P1and replaces the programmes for all circuits with theirfactory settings.

CUSTOMISED POGRAMMES

# PROG 4 CIRC …

# PROG 4 CIRC …

# PROG 4 CIRC …

# PROG DHW: domestic hot water

# PROG AUXIL.: auxiliary contact

DHW programme (factory setting):

Auxiliary programme (factory setting):

DAY "Comfort" period:Mon. to Sun. 6a.m. to 10p.m.

DAY Chargement autorisé de :Mon. to Sun. 6a.m. to 10p.m.



Jours "Comfort"periods:

DAY "Comfort" period:Mon. to Sun. 4 a.m. to 9p.m.

DAY "Comfort" periods:Mon. to Fri. 5 to 8a.m., 4 to 10p.m.Sat., Sun. 7a.m. to 11p.m.

DAY "Comfort" periods:Mon. to Fri. 6 to 8a.m., 11a.m. to 1.30p.m., 4 to 10p.m.Sat. ... 6a.m. to 11p.m.Sun. 7a.m. to 11p.m.

DAY Operation enabled from:Mon. to Sun. 4a.m. to 9p.m.

Days Operating periodenabled:

Days Calorifier loadingenabled:

In the interest of customers, DE DIETRICH THERMIQUE are continuously endeavouring to make improvements in product quality.All the specifications stated in this document are therefore subject to change without notice.

Servicing company :Fitter :

BP 30 - 57, rue de la GareF-67580 MERTZWILLER

+ 33/3 88 80 27 00 - Fax : + 33/3 88 80 27 99N° IRC : 347 555 559 RCS STRASBOURG

AD

14

b

r1r1

CONTENTS

9. ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r29.1 DIEMATIC-m Delta control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r29.2 Boiler sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r29.3 External sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r29.4 Optional equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r2

10. ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r3Cables routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r3

Connecting block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r4Low voltage controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r4Extra low voltage controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r4Basic connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r5Basic connections for a cascade installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .r6Connections for a domestic hot water calorifierConnections for optional telephone remote control, remote control, flue gas sensor . . . . . . . . . . . . . . . . . .r7Connections for a second domestic hot water calorifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .r8Connections for a swimming pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .r9Connections for one or two circuits with mixing valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .r10Burner connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r10

11. SKELETON DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r11

12. ”FITTER” SETTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r1112.1 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r1112.2 Fitter settings table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r12

13. PARAMETERS AND INPUTS / OUTPUTS CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r19

14. USE OF A WALL BRACKET (package DB 117): CODING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r2014.1 Use of the module in the boiler room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r2014.2 Use of the module as an interactive remote control with room sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . r20

TABLE: TEST MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . r21

08/00 - RI - 8358-4166

ASSEMBLY,ELECTRICAL CONNECTIONS

AND FITTER SETTINGS

Diematic-m DeltaControl Panel

These instructions are for use

by the fitter only.

They supplement the start-up and operation

according to the numbers of the sections

and pages composing it.

r2

1/2

H

H

(min

i 2,5

m)

1/2

Z Z1/

2H

(m

ini 2

,5 m

)

H

9.1 DIEMATIC-m Delta control panel

Installing and fastening the control panel are describedin the mounting leaflet located in the instructions sup-plied with the boiler.

8800N001

9.2 Boiler sensor

Installation with only one boilerInsert the sensor in the boiler pocket (refer to the boil-er assembly leaflet).

Cascaded installationInsert the sensor in the common cascade outlet.

Fastening

Mount the external sensor onto the outer wall using thesupplied accessories: 2 CB Ø 4 wood screws and dow-els.

9.4 Optional equipmentSee the instrucions supplied with the relevant equipment.

8800N003

8800N002 B

Recommended locations

Unsuitable locations

9. ASSEMBLY

9.3 External sensor

The external sensor must be installed on the mostexposed and coldest outer wall of the building (north ornorth-west), protected from direct sunlight.

It should be placed on a corner of the building or, if thisis not possible, on the middle of a wall, so as to be direct-ly affected by the weather conditions.It should be easily accessible.

H : height of the inhabited area regulated by the sensor

: recommended location, on a corner

: possible location (in case of difficulty)

Z : inhabited area regulated by the sensor

Do not place the sensor in a sheltered area, such as ina niche or under a balcony. Also, it must not be affect-ed by heat (or cold) flowing through doors, windows orventilation openings.

r3

All the connections shall be made to the terminal block pro-vided for that purpose in the boiler control panel.

Proceed as follows to open the control panel :

➀ Remove the boiler top panel.

➁ Unhook the intermediate front panel.

➂ Remove the upper front panel.

➃ Remove the connection board cover.

➄ After removing the 4 fastening screws, tilt the frontcover to open the control panel.

➅ Fasten the cables to the board supporting plate usingcable clamps (3 cable clamps supplied in a bag) thatare to be assembled as shown opposite.

10. ELECTRICAL CONNECTIONSThe electrical connections shall be per-formed by a qualified professional only.The electrical wiring has been thoroughlychecked in the factory and the internal con-nections of the control panel must in nocase be modified.

The extra low voltage sensor cables mustbe separated from the 230 Volt main sup-ply cables in order to avoid electromagneticinterference problems.

The electrical connections shall be made in compliancewith the instuctions given in the electrical diagrams sup-plied with the equipment and the guidelines provided inthis manual.The electrical connection must comply with the stan-dards in force. The equipment shall be powered by acircuit with an omnipole switch with an opening distanceexceeding 3 mm. Earthing shall comply with the stan-dard in force.

- Boilers with one cable channel:

Place the 230 V main supply cables on one side of thecable channel and the sensor cables on the other. Thecables shall be held in place on either side using plas-tic ties.

- Boilers with two cable channels:

Place the 230 V main supply cables in one cable chan-nel and the sensor cables in the other. The cables shallbe held in place using plastic ties.

Cables routing

Inside the boiler Outside the boiler

Use 2 cable ducts or channels with a minimum distanceof 10 cm between them.

Failure to comply with these instructions may lead tointerferences and regulator malfunction, or even dam-age the electronic circuitry.

1

3

2

8358N087

4

6

LN

ALIMENTATION 230V-50Hz

ALI

CS

CONTACT DE SECURITE

N L

(B)

(B)POMPE CIRCUIT

(C)

POMPE CIRCUIT

AUXSORTIE AUXILIAIRE

OPTION

(A)ACCELERATEUR

POMPE DE CHARGE

OPTION

N L

BUS DIEMATIC32

1

RT BALLONCHAUDIERE

EXTERIEUREAMBIANCEFUMEES CIRCUIT (A)

SB

SCHSEXT

SF

SAMB (A)

RELAIS TELEPHONIQUE

SONDESOPTION

OPTION

CIRCUIT (B)

SDEPDEPART

321

AMBIANCECIRCUIT (B)

SAMB (B)

(B) BUS DIEMATIC

SONDES

OPTION

CIRCUIT (C)

SDEPDEPART

321

AMBIANCECIRCUIT (C)

SAMB (C)

(C) BUS DIEMATIC

SONDES

OPTION

4950

5152

5354

5556

57

5859

6061

62

3637

3839

4041

4243

4445

4647

48

181716151413121110987

321

4 5 6

1920

2726252423

2829

3031

3233

3435

(C)

AV

CR

(VI)2122

AVTS

VOYANT ALARME

CONTACT DE RELAYAGE

VOYANT ALARME TS

VANNE D' ISOLEMENT

POMPE DE RECYCLAGE

N

CIRCUIT (B)

(B) VANNE 3 VOIES

N

N

N

CIRCUIT (C)

VANNE 3 VOIES

(C)NL

L

N LN L

5

8502N113

r4

Connecting block

As delivered

AUX

HEAT

ING

PUM

P

(A)

AUXI

LIAR

Y O

UTPU

T

LOAD

PUM

P

OPTION

DIEM

ATIC

BUS

321

RT

CALO

RIFI

ER

BOIL

ER

AXTE

RNAL

ROOM

FLUE

GAS

CIRC

UIT

(A)

SBSCHSEXTSF SAMB (A)

TELE

PHON

E RE

LAY

SENSOR

OPTION OPTION

49 50 51 5234333231 40 41 42 43 44 45 46 47 4838 39373635

SHUN

T PU

MP

N L N L N L N L

(C)

CIRC

UIT

PUM

P

161514

(C) CR (VI)AVTS

RELA

Y CO

NTAC

T

TS A

LARM

INDI

CATO

R

GATE

VAL

VE

N

CIRC

UIT

(C)

3-W

AY V

ALVE

N L24 25 26 27 28232221 3029

CR

LN

230V

-50H

z POW

ER S

UPPL

Y

ALI CS

SAFE

TY C

ONTA

CT (B)

(B)

CIRC

UIT

PUM

POPTION

13121110321LN9874 65

AV

ALAR

M IN

DICA

TOR

N

CIRC

UIT

(B)

(B)

3-W

AY V

ALVE

20191817N

(C)

8502N114-GB

Low voltage controls

Extra low voltage controls

The maximum switchable current at each

output is 2 A cos. ϕ = 0 , 7 (= 450 W or

1/2 cont. hp motor, inrush current less than16 A).

CR relaying contact:

To place an extra low voltage control, e.g. 24 Volt onthe pumps and valves outputs (terminals 26; 27;30; 33; 36 and 39 of the above diagram), remove theCR bridge across terminals 22, 23, then apply therequired extra low voltage to terminal 23.

ST safety contact (B):

To place an extra low voltage control, e.g. 24 Volt onthe pumps and mixing valves outputs of circuit B(terminals 9, 12 and 13), remove the TS (B) bridgeand apply the required extra low voltage to the outerterminal.

ST safety contact (C):

To place an extra low voltage control, e.g. 24 Volt onthe pumps and mixing valves outputs of circuit C (terminals 15, 19 and 20), remove the TS (B) bridgeand apply the required extra low voltage to the outerterminal.

(C)

POMPE CIRCUIT

AUXSORTIE AUXILIAIRE

OPTION

(A)ACCELERATEUR

POMPE DE CHARGE

OPTION

N L

BUS DIEMATIC32

1

RT BALLONCHAUDIERE

EXTERIEUREAMBIANCEFUMEES CIRCUIT (A)

SB

SCHSEXT

SF

SAMB (A)

RELAIS TELEPHONIQUE

SONDESOPTION

OPTION

CIRCUIT (B)

SDEPDEPART

321

AMBIANCECIRCUIT (B)

SAMB (B)

(B) BUS DIEMATIC

SONDES

OPTION

CIRCUIT (C)

SDEPDEPART

321

AMBIANCECIRCUIT (C)

SAMB (C)

(C) BUS DIEMATIC

SONDES

OPTION

4950

5152

5354

5556

57

5859

6061

62

3637

3839

4041

4243

4445

4647

48

1819

20

2726252423

2829

3031

3233

3435

CR

(VI)2122

AVTSCONTACT DE RELAYAGE

VOYANT ALARME TS

VANNE D' ISOLEMENT

POMPE DE RECYCLAGE

CIRCUIT (B)

3 VOIES

N

N

N

CIRCUIT (C)

VANNE 3 VOIES

(C)

L

N LN L

TS24V

Removebridge

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

CIRCUIT CIRCUITKREIS KREIS

B C

(C)(B)

TS(B)

TS(C)

(B) (B)

A L I 230 V

N L

N L N

C SVA

24V 24V

Remove bridge

(C) (C)

N L N

10 1112 13

230V power supplyno connection to the middle terminal

If the load exceeds one of these values, relay the con-trol with a contactor that must imperatively be mount-ed outside the Diematic-m Delta control panel.

8502N115 A

r5

AUX

HEAT

ING

PUM

P

(A)

AUXI

LIAR

Y OU

TPUT

LOAD

PUM

P

OPTION

DIEM

ATIC

BUS

321

RT

CALO

RIFI

ER

BOIL

ER

EXTE

RNAL

ROOM

FLUE

GAS

CIRC

UIT

(A)


TELE

PHON

E RE

LAY

SENSOR

OPTION OPTION

49 50 51 5234333231 40 41 42 43 44 45 46 47 4838 39373635

RECY

CLAG

E PU

MP

N L N L N L N L

(C)

CIRC

UIT

PUM

P

161514

(C) CR (VI)AVTS

RELA

Y CO

NTAC

T

TS A

LARM

INDI

CATO

R

GATE

VAL

VE

NCI

RCUI

T (C

)3-

WAY

VAL

VEN L

24 25 26 27 28232221 3029LN

230V

-50H

z POW

ER S

UPPL

Y

ALI CS

SAFE

TY C

ONTA

CT (B)

(B)

CIRC

UIT

PUM

P

OPTION

13121110321LN9874 65

AV

ALAR

M IN

DICA

TOR

N

CIRC

UIT

(B)

(B)

3-W

AY V

ALVE

20191817N

(C)

External sensor

Boilersensor

Circuit Aheating pump(direct circuit)

Shunt pump

Burnerfailureindicator

Safety contact (1)

230V powersupply

Safetythermostatalarmindicator

NN

2 x

0,35

mm

2 m

ini.

2 x

0,75

mm

2 m

ini.

3 x

1,5

mm

2 m

ini.

3 x

0,75

mm

2 m

ini.

3 x

0,75

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.

Removebridge

Basic connections

(1) Safety contact which only turns off the burner of the boiler fitted with a Diematic-m Delta control panel (ex.: flowcontroller, pressure gauge indicating lack of water, etc.)

8502N116-GB

Low voltage controls: the maximum switchable current at each output is 2 A cos. ϕ = 0 , 7 (= 450 W or 1/2 cont. hp motor,

inrush current less than 16 A). If the load exceeds one of these values, relay the control with a contactor that mustimperatively be mounted outside the Diematic-m Delta control panel.

r6

To the cascade board (2)

Gatevalve

4 x

0,75

mm

2 m

ini.

AUX

HEAT

ING

PUM

P

(A)

AUXI

LIAR

Y OU

TPUT

LOAD

PUM

P

OPTION

DIEM

ATIC

BUS

321

RT

CALO

RIFI

ER

BOIL

ER

EXTE

RNAL

ROOM

FLUE

GAS

CIRC

UIT

(A)


TELE

PHON

E RE

LAY

SENSOR

OPTION OPTION

49 50 51 5234333231 40 41 42 43 44 45 46 47 4838 39373635

SHUN

T PU

MP

N L N L N L N L

(C)

CIRC

UIT

PUM

P

161514

(C) CR (VI)AVTS

RELA

Y CO

NTAC

T

TS A

LARM

INDI

CATO

R

GATE

VAL

VE

NCI

RCUI

T (C

)3-

WAY

VAL

VEN L

24 25 26 27 28232221 3029LN

230V

-50H

z POW

ER S

UPPL

Y

ALI CS

SAFE

TY C

ONTA

CT (B)

(B)

CIRC

UIT

PUM

P

OPTION

13121110321LN9874 65

AV

ALAR

M IN

DICA

TOR

N

CIRC

UIT

(B)

(B)

3-W

AY V

ALVE

20191817N

(C)

External sensor

Boilersensor

Circuit A heatingpump (type 1)* or

primary pump(type 2)*

Injectionpump(type 1)*


Safety contact (1)

230 Vpowersupply

Safety thermostatalarmindicator

NN

Remove bridge

2 x

0,35

mm

2 m

ini.

2 x

0,75

mm

2 m

ini.

3 x

1,5

mm

2 m

ini.

3 x

0,75

mm

2 m

ini.

3 x

0,75

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.

Basic connections for a cascade installation


(2) The cascade board is located in the K control panel of the controlled boiler. The cable supplied is 8 m long. If the length is notsufficient, a 12 m long cable (package AD 134) is available as an option.

* see page r17

8502N117-GB



r7

AUX

HEAT

ING

PUM

P

(A)

AUXI

LIAR

Y OU

TPUT

LOAD

PUM

P

OPTION

DIEM

ATIC

BUS

321

RT

CALO

RIFI

ER

BOIL

ER

EXTE

RNAL

ROOM

FLUE

GAS

CIRC

UIT

(A)


TELE

PHON

E RE

LAY

SENSOR

OPTION OPTION

49 50 51 5234333231 40 41 42 43 44 45 46 47 4838 39373635

SHUN

T PU

MP

N L N L N L N L

(C)

CIRC

UIT

PUM

P

161514

(C) CR (VI)AVTS

RELA

Y CO

NTAC

T

TS A

LARM

INDI

CATO

R

GATE

VAL

VE

N

CIRC

UIT

(C)

3-W

AY V

ALVE

N L24 25 26 27 28232221 3029

LN

230V

-50H

z POW

ER S

UPPL

Y

ALI CS

SAFE

TY C

ONTA

CT (B)

(B)

CIRC

UIT

PUM

P

OPTION

13121110321LN9874 65

AV

ALAR

M IN

DICA

TOR

N

CIRC

UIT

(B)

(B)

3-W

AY V

ALVE

20191817N

(C)


Safety contact (1)

230 Vpowersupply

Safety thermostat alarmindicator

NN

Removebridge

2 x

0,75

mm

2 m

ini.

3 x

1,5

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.

Fluegas

sensor

Remotecontrol

Calorifier B1PackageDB 116

Domestic hot water

Telephone control relayPackageAD 81

321

Removebridge

3 x

0,75

mm

2 m

ini.

3 x

0,75

mm

2 m

ini.

B1

Connections for a domestic hot water calorifier.Connections for optional telephone remote control, remote control, flue gas sensor.

8502N118-GB


(3) BG20 analogic remote control with room sensor for circuit A.



r8


Connections for a second domestic hot water calorifier

If a second domestic hot water calorifier, which must beprogrammed and controlled independently from the firstone, is required, circuit A may be used for that purpose.

- Configure CIRC.A in swimming pool mode as explainedin # FITTER PARAM.

- Insert the sensor (package DB 116) in the pocket of the second domestic hot water calorifier.

- Connect the sensor to the S.AMB A input across 2 and 3 (see diagram above). This sensor indicatesthe average storage temperature of the secondcalorifier. Its value may be read on page# MESURES under SWIMMING P.T.

- Set the ”Swimming pool” temperature within the range36-80°C for a domestic hot water calorifier-typeoperation.

Calorifiersensor B2PackageDB 116

Domestic hot water

Removebridge

3 x

0,75

mm

2 m

ini.

3 x

0,75

mm

2 m

ini.

B2

AUX

HEAT

ING

PUM

P

(A)

AUXI

LIAR

Y OU

TPUT

LOAD

PUM

P

OPTION

DIEM

ATIC

BUS

321

RT

CALO

RIFI

ER

BOIL

ER

EXTE

RNAL

ROOM

FLUE

GAS

CIRC

UIT

(A)


TELE

PHON

E RE

LAY

SENSOR

OPTION OPTION

49 50 51 5234333231 40 41 42 43 44 45 46 47 4838 39373635

SHUN

T PU

MP

N L N L N L N L

(C)

CIRC

UIT

PUM

P

161514

(C) CR (VI)AVTS

RELA

Y CO

NTAC

T

TS A

LARM

INDI

CATO

R

GATE

VAL

VE

NCI

RCUI

T (C

)3-

WAY

VAL

VEN L

24 25 26 27 28232221 3029LN

230V

-50H

z POW

ER S

UPPL

Y

ALI CS

SAFE

TY C

ONTA

CT (B)

(B)

CIRC

UIT

PUM

P

OPTION

13121110321LN9874 65

AV

ALAR

M IN

DICA

TOR

N

CIRC

UIT

(B)

(B)

3-W

AY V

ALVE

20191817N

(C)


Safetycontact (1)

230 Vpowersupply

Safety thermostat alarmindicator

NN

Removebridge

2 x

0,75

mm

2 m

ini.

3 x

1,5

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.

8502N119-GB



r9

Connections for a swimming pool

d.h.w. sensorPackage

DB 116

Swimming pool switch-off

(optional)

Removebridge

3 x

0,75

mm

2

min

i.

3 x

0,75

mm

2

min

i.

AUX

HEAT

ING

PUM

P

(A)

AUXI

LIAR

Y OU

TPUT

LOAD

PUM

P

OPTION

DIEM

ATIC

BUS

321

RT

CALO

RIFI

ER

BOIL

ER

EXTE

RNAL

ROOM

FLUE

GAS

CIRC

UIT

(A)


TELE

PHON

E RE

LAY

SENSOR

OPTION OPTION

49 50 51 5234333231 40 41 42 43 44 45 46 47 4838 39373635

SHUN

T PU

MP

N L N L N L N L

(C)

CIRC

UIT

PUM

P

161514

(C) CR (VI)AVTS

RELA

Y CO

NTAC

T

TS A

LARM

INDI

CATO

R

GATE

VAL

VE

NCI

RCUI

T (C

)3-

WAY

VAL

VEN L

24 25 26 27 28232221 3029LN

230

V-50

Hz P

OWER

SUP

PLY

ALI CS

SAFE

TY C

ONTA

CT (B)

(B)

CIRC

UIT

PUM

P

OPTION

13121110321LN9874 65

AV

ALAR

M IN

DICA

TOR

N

CIRC

UIT

(B)

(B)

3-W

AY V

ALVE

20191817N

(C)

Burner failureindicator

Safety contact (1)

230 Vpowersupply

Safety thermostat alarm indicator

NN

Removebridge

2 x

0,75

mm

2 m

ini.

3 x

1,5

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.

1 x

0,75

mm

2 m

ini.


The Diematic-m Delta regulator offers the possibility tocontrol a swimming pool circuit in 2 cases:

1. Diematic-m Delta controls the primary circuit (boiler / exchanger) and the secondary circuit (exchanger / pool).

- Use the HCZP D function and set its value to atemperature corresponding to the requirements of theexchanger (generally 80°C).

- Set the gradient of circuit A to 0.- Configure circuit A as a swimming pool: CIRC.: SWIM.- Connect the heating pump of the primary boiler /

exchanger circuit to the heating pump output A.The HCZP D temperature is provided during the Comfortperiods of programme A both in summer and winter.

- Connect the secondary sensor (optional package DB116) to the S.AMB A input across 2 and 3. This sensor indicates the temperature of the water in the pool. Itsvalue may be read on #MEASURES under SWIM.P.T.

- The value may be set via from 0,5 to 35°C.

2. The pool has already a regulation system, which is tobe retained. In this case, Diematic-m Delta can controlonly the primary boiler/exchanger circuit.

- Use the HCZP D function and set its value to atemperature corresponding to the requirements of theexchanger (generally 80°C)).

- Set the gradient of circuit A to 0.- Configure circuit A as a swimming pool: CIRC.: SWIM.- Connect the heating pump of the primary boiler /

exchanger circuit to the heating pump output A.The HCZP D temperature is provided during the Comfortperiods of programme A both in summer andwinter.



8502N120-GB

r10

In all events, contact your swimming pool fit-ter for the measures required for winterising.

• Stopping the pool heating system

To stop heating the pool, a switch with gold-plated con-tacts may be connected to the ROOM SENSOR (A)input across 1 and 2. When this switch is closed, thepool is off, without antifreeze protection in winter.On the other hand, the primary circuit can be protect-ed from freezing by selecting SWIPM P.T.: AF with keys

and . In this case, the above mentioned switchremains open.

As the pump of the secondary circuit is connected to theAUXILIARY output, select AUX OUT: POOL. This will causethe pump connected to the AUX output to be controlledduring the ”Day” operating periods of circuit A.

• Time programming of the secondary circuit pump

Connections for one or two circuits withmixing valves

Connecting one or two mixing valve circuits requiresmounting one or two optional valve boards + sensors(Package DB 115). Refer to the instructions suppliedwith the optional equipment.

Connect the following connectors below the controlpanel:

1. Ignition device circuit2. Gas pressure switch3. Gas valves circuit4. Leak proofing system (option DP 92)

21 3

4

8358N013

The leak proofing system DP 92 is oblig-atory in Austria on boilers DTG 320-20(nominal power input ≥ 350 kW)

Burner connection

r11

11. SKELETON DIAGRAM

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N05

9

r12

12. "FITTER" SETTINGS

The following settinge concern various functions, aswell as the configuration of the installation. They maybe changed by a professionnal only.

12.1 Settings

The various adjustable parameters are given in the orderin which they are displayed in the "Fitter settings table"below.

To access the settings, press the fitter keylocated under the control module flap for 5 seconds.

Use the key to select the desired paragraph

and the key to select the line.

Use keys and to change the parameter ofeach line.

When the setting is complete, the data will be saved

after 2 minutes or by pressing the key.

Restoring the factory settings

The factory setting of the parameters (both user and fit-ter settings) can be restored without altering the pro-

grammes by pressing simultaneously the and

keys.

The regulator will display ”RESET PARAM” for 10 sec-onds.

This function has no effect on the time counters or onthe burner start counters.

0 2 4 6 8 10 12 14 16 18 20 22 24

A

A,B,C PROG

STANDARD

BackAccess tolines

Access to paragraphs

Keys for access to settingsand measurements

Programmingkeys

Settings

"Standard" programme

8555N136-GB

r13


# LANGUAGE Language selection ENGLISH FRANçAIS

DEUTSCH

# LIMITED TEMP. Setting the limit temperatures

BOILER MAX. Maximum boiler operating temperature 85 °C 50 to 120 °C

" BOILER MIN. Minimum boiler operating temperature 40 °C 30 to 50 °C

” HCZP D A Temperature at the foot of the heating curve in Day mode circuit A OFF OFF 20 - 90 °C

” HCZP N A Temperature at the foot of the heating curve in Night mode circuit A OFF OFF 20 - 90 °C

” HCZP D B Temperature at the foot of the heating curve in Day mode circuit B OFF OFF 20 - 90 °C

” HCZP N B Temperature at the foot of the heating curve in Night mode circuit B OFF OFF 20 - 90 °C

” HCZP F C Temperature at the foot of the heating curve in Day mode circuit C OFF OFF 20 - 90 °C

” HCZP N C Temperature at the foot of the heating curve in Night mode circuitt C OFF OFF 20 - 90 °C

” MAX.CIRC B* Maximum temperature at the B outlet (B 3-way valve) 75°C 40 to 95 °C

” MIN.CIRC B*Minimum temperature at the B outlet (B 3-way valve)

activated by the antifreeze function.20°C 10 to 30 °C

” MAX.CIRC C* Maximum temperature at the C outlet (C 3-way valve) 75°C 40 to 95 °C

” MIN.CIRC C*Minimum temperature at the C outlet (C 3-way valve)

activated by the installation antifreeze function20°C 10 to 30 °C

” OUT.ANTIFREEZE Outside temperature at which the installation antifreeze function is activated +3°C -8 to +10 °C

” BOIL. TEMP. DHW Boiler temperature setting for domestic hot water preparation 80°C 50 to 95 °C

# PARAM. INSTAL Setting the installation-specific parameters

BUILD. INERTIA Building inertia factor 3 0 to 10

CIRC. CURVE A* Boiler circuit gradient 1.5 0 to 4

” ROOM INFL. A* Influence of room sensor A 3 0 to 10

” ANTICIP. A Activation and setting of the anticipation time - circuit A OFF OFF, 1 to 10 h

”TYPE CIRC A* Heating or swimming pool HEAT

HEAT

SWIMMING P

” CIRC. CURVE B* B mixing valve circuit gradient 0.7 0 to 4

” ROOM INFL. B* Influence of room sensor B 3 0 to 10

” ANTICIP. B* Activation and setting of the anticipation time - circuit B OFF OFF, 1 to 10 h

” CIRC. CURVE C* C mixing valve circuit gradient 0.75 0 to 4

” ROOM INFL. C* Influence of room sensor C 3 0 to 10

” ANTICIP. C* Activation and setting of the anticipation time - circuit C OFF OFF, 1 to 10 h

S. AUX. Type of circuit : DHW PROG.

” Domestic loop, nework pump, swimming pool, programme DHW PROG. NTW. PUMP

SWIMMING P.

PROGRAM.

12.2 Fitter settings table

- The paragraphs and lines are given in the order of dis-play.- Additional information has been provided after thetables.

Note: when the setting is complete, the data will besaved after 2 minutes or by pressing the key.

* This line is displayed only when the relevant options, circuits or sensors are actually connected.

r14

FITTER SETTINGS TABLE (continued)

Additional information has been provided after the tables.

PRESS DISPLAY PARAMETER ADJUSTEDFACTORY SETTING CUSTOMER

SETTING RANGE SETTING

NIGHT DEC. (1) Selection of the Reduced operating mode with the keys NIGHT NIGHT DEC.

and . DEC. NIGHT STOP.

” INSTAL TYPE* Installation type (see diagram on p. 40) 1 1 or 2

” NB STAGES BR.1 Number of burner stages, boiler 1 2 1 or

2

” NB STAGES BR.2* Number of burner stages, boiler 2 2* 1 or

2


2

- - -


2

” NB STAGES DHW Limitation of DHW power in number of stages or 2 1, ... 20

by selecting boiler 1 fitted with DIEMATIC-m Delta DHW : BOILER 1

# MISCELLANEOUS

DISP ALTERNED Selection of the display type with keys DSP. TIME/DAY

or ALTERNED OUT. TEMP.

BU.BAND WIDTH* Band width for modulating burners 20 K 10 to 30 K

BAND WIDTH 3WV* Band width for 3-way valves 12 K 4 to 16 K

BOIL/3WV SHIFT* Minimum temperature difference between boiler and valves 4 K 0 to 16 KAuto

B. PUMP DELAY Heating pump switch-off delay 4 min. 0 to 15 min.

HW PUMP DELAY* Domestic hot water pump switch-off delay 4 min. 0 to 15 min.

ADAPT. ON (2)* Enables or disables automatic adaptation for the room sensor ON ON or

with keys or . OFF

DHW TOTAL* DHW priority level selection with keys TOTAL TOTAL, SLIDING

or or NO PRIOR.

DHW BOILER Caloifier loading mode BOILER BOILERor ELECTRIC

LEG PROTEC* Enables or disables legionella pneumophilia protection OFF ON or OFF

S.F. BOILER Function used when the unit is controlled by a OFF ON or OFF

solid-fuel burner

BURN.MIN.RUN Minimum burner operating time 1 min. 0 to 4 min.

HYSTERESIS A*Differential for starting up and switching off the last stage

started up4 K 4 to 10 K

BURNER DELAY* Additional stage start-up delay 4 min. 0 to 10 min.

B.P. DELAY*Boiler pump delay (shunt or backflow injection)

3 min. 1 to 30 min.or isolating valve delay

RELIEVE B. Pump start-up controlled by the boiler

minimum temperature OFF ON or OFF

then

(1) Displayed only if there is at least one heating circuit without a room sensor.(2) Displayed only if there is at least one heating circuit with a room sensor.


orthen

r15

- # LIMITED TEMP.:

”MAX ...” :

In circuits B and C, this setting limits the outlet tempera-ture of the relevant circuit.

Note: if any MAX. temperature is modified, it may alsobe necessary to move the built-in boiler thermostat stopwhich limits the maximum boiler temperature to 85°C.To do so, pull out the thermostat button and move thestop with a pair of pliers to the hole corresponding to thelimit temperature desired.

HCZP:

In the Winter mode, the HCZP parameter is used to set aminimum operating temperature (which may be constant ifthe circuit gradient is zero) for the boiler circuit (regardlessof the type of installation) to control a unit heater or a swim-ming pool-type circuit, for instance. A different value may beprogrammed for day (HCZP D) or night operation (HCZPN). The setting may be OFF or 20 to 90°C.

OUT. ANTIFREEZE:

When the temperature drops below the set value, thepumps operate continuously and the minimum tempera-tures of each circuit are respected.

If the NIGHT DEC. function is set to STOP, the DEC modebecomes active.

BOIL. TEMP.DHW:

If a DHW sensor is connected for the loading of a DHWcalorifier, this primary boiler temperature is maintainedwhile loading the DHW calorifier.

+20 +10 0 -10 -2020

30

40

50

60

70

80

9095 3,04,0 2,0

1,5

1,0

0,7

0,5

2,25

°C

°C

Boilerheating curves Temperature of water at the outlet

Outside temperature

Minimumtemperatureat the boiler : 40° C(factorysetting)

Factory setting

8800N008

+20 +10 0 -10 -2020

30

40

50

60

70

80

903.04.0

°C

°C

2.0

1.5

1.0

0.7

0.5

2.25

Mixing valveheating curves

Factorysetting75° C

Minimumtemperatureat the valve outlet 20° C

Temperature of water at the outlet

Outside temperature

8800N007

- The mixing valve circuits gradient is factory-set to 0.7

- # FITTER PARAM.

BUILD. INERTIA:

The value of building inertia factor I must not be modi-fied by more than 1 unit at each setting:I = 0 for buildings with reduced inertia (response time 10 h)I = 10 for buildings with high inertia (response time 50 h)

Note: changing the initial setting (I = 3) is of use onlyin exceptional installation cases and when the “auto-adapt“ function is active (ADAPT ON).

CIRC. CURVE:

Independent setting for each circuit. This setting isoptional when there is a remote control and auto-matic adaptation is active (ADAPT ON).

- the boiler-circuit gradient is factory-set to 1.5

Caution: in the case of a floor heating sys-tem, the maximum water temperature afterthe mixing valve (line MAX. CIRC…) mustobligatorily be set to 50 °C (see the "fitter"settings table).

Under the regulations in force, a manual-reset safetydevice, which is independent of the regulator, is alsorequired. This device must imperatively cut off the sup-ply of heat in the panel circuit when the temperature ofthe fluid reaches 65°C.In order to meet this requirement, a safety thermostatmay be connected electrically to the 230 V connectingboard.In addition, the DHW parameter should be set toSLIDING if domestic hot water is being produced.

r16

NIGHT:

Allows selecting one of the following functions forReduced operation if the room temperature sensor isnot connected.

- Decrease (NIGHT DEC.): the system provides heat-ing during the Reduced periods (the water outlet tem-perature will depend upon the selected gradient).The pump operates continuously.

- Stop (NIGHT STOP): Pump and heating system are turnedoff, no heating needs are met.The antifreeze function continues to operate.

- If the room sensor is connected, the night mode oper-ates in accelerated decrease mode: the heating pumpis switched off as soon as the room temperature isexceeded and the delay has elapsed; the pump is turnedon again as soon as the night room temperaturebecomes less or equal to the set temperature.

Note: this parameter is not displayed if all circuits includea room sensor.

A, B or C ANTICIPATION :

Allows activating the anticipation function which calcu-lates the time at which the heating must be turned onto reach the desired room temperature less 0.5 K at thetime set for the shift to Comfort mode. The time pro-gram starting time corresponds to the end of the accel-erated building reheating phase.

Ths function is activated by entering a value other than“OFF” (for which there is no anticipation), in the “FIT-TER” mode, # FITTER PARAM. Setting range: OFF ; 1to 10h (factory setting: OFF).

The set value corresponds to the time thought to berequired by the system to reheat the installation with anoutside temperature of 0°C, starting from a residualroom temperature corresponding to he night reducedsetting.

Anticipation will be optimised (Optimise function) if aroom sensor is connected. In this case, the regulatorwill automatically fine-tune the anticipation time.

Note: the correct operation of this mode depends on theexcess power offered by the installation.

0,5K

8801N033

ROOM INFL.:

Allows setting the influence of the room sensor on theboiler water temperature and on the mixing valve circuitsoutlet temperature.

Comfortroomtemperaturesetting

Reducedroomtemperaturesetting

Timeprogramme

Anticipation time= accelerated reheating phase

Time

r17

B

Primary circuit d.h.w.

d.h.w.loop

CircuitCircuitC

1 2 3

2

33

4

1

8

7

2

8

2

8

4

S5

6

1.Boiler return injection pump2.Isolating valve *3.A-B-C circuits heating pump4.B-C circuits mixing valve5.DHW calorifier loading

pump6.DHW looping pump (if any)7.Decoupling cylinderS.Boiler sensor

1.Primary loop pump2.Isolating valve3.B-C circuits heating pump4.B-C circuits mixing valve5.DHW calorifier loading

pump6.DHW looping pump (if any)7.Decoupling cylinder8.Compensation valveS.Boiler sensor

- TYPE 2 : example 1: skeleton diagram of a basic installation with primary loop, with decoupling cylinder and primarypump ensuring the rated flow in the loop (valid for 3 boilers max.)

1 2 3

2

76

2 2

111

S

43

33

AB

Primary circuit d.h.w.

d.h.w.loop

Circuit Circuit CircuitC

4

5

- TYPE 1 : skeleton diagram of a basic installation with primary loop (no primary pump) with decoupling cylinder andinjection pumps.

- TYPE 2 : example 2: skeleton diagram of a basic installation with mixing valve and shunt pump common to both boilers(valid for 2 boilers max.)

1

2

S

8

2

8

4

3

1 2

1 .Pompe de recyclage

2 .Vanne d'isolement

3 .Accélérateur

4 .Vanne mélangeuse

8 .Vanne d'équilibrage

S .Sonde chaudière

8502N121-GB

8502N122-GB

8502N123

INSTAL. TYPE: setting on 1 (type 1) or 2 (type 2) depending upon the type of installation

1. Shunt pump2. Isolating valve3. Heating pump 4. Mixing valve8. Compensation valveS. Boiler sensor

NB STAGES

Enter the type of burner(s) of the boiler(s) in theinstallation :

- 0 if no boiler,- 1 if one-stage burner,

- 2 if two-stage burner

* If no isolating valves are used, use imperatively non return valves.

r18

- # MISCELLANEOUS

• DSP ALTERNED: allows selecting the display mode:- display of time and day (TIME-DATE)- display of external temperature (OUTSI. TEMP) or- alternated (DSP. ALTERNED)

• BAND WIDTH: the set value (valid for all valves) canbe increased if a fast valve is used and decreased if avery slow valve is used (e.g.: thermal valve).

• BOIL/3WV SHIFT: minimum temperature differencebetwen the boiler outlet and the valve outlet(s) if a cir-cuit with a valve has been connected. The AUTO posi-tion corresponds to an automatic parameter adjustment.The calculated value may be displayed in # PARAME-TERS.

• H. PUMP DELAY: the heating pump(s) switch-off delayis used to prevent boiler overheating, which could makethe safety thermostat trip accidentally.

• HW. PUMP DELAY: the DHW loading pump switch-off delay prevents water that is too hot from being deliv-ered to the heating circuit after the calorifier has beenloaded. It also prevents boiler overheating, which couldmake the safety thermostat trip accidentally.

• ADAPT.: activating or inhibiting automatic adaptaton.

• DHW TOTAL: allows selecting the following optionswhen a hot water calorifier is connected:

- DHW TOTAL: absolute priority for domestic hot waterpreparation: heating pumps are switched off, valves areclosed.

- DHW SLIDING (1): "DIEMATIC-Delta" checks if theboiler is capable of heating both the heating system andthe calorifier. If so, the valve circuit(s) pump(s) operatesimultaneously with the calorifier loading pump. Thevalve remains closed as long as the boiler is not capa-ble of heating the installation and the calorifier. Whenthe power is sufficient, the valve begins to regulate.

- DHW NO PRIOR. (1): heating is not switched off whilethe calorifier is being loaded.Important: if there is a boiler cicuit, the temperature inthe radiators may reach the maximum value programmedfor the boiler while the calorifier is being loaded.

• DHW: BOILER, ELECTRIC: this setting allows select-ing the boiler loading mode.

In ”BOILER” mode (factory setting), the domestic hotwater is prepared, both in winter and in summer, by anexchanger-type calorifier, where the primary is con-nected to the boiler.In ”ELECTRIC” mode, the domestic hot water is pre-pared by the boiler in winter and by an electric resis-tance heater in summer. With this operating mode, theauxiliary circuit output is used to control the calorifierloading mode inversion when switching from the Winterto the Summer mode.

In winter, the auxiliary circuit output is disabled, and thecalorifier is loaded by the boiler.

When switching to Summer mode, the domestic hotwater is no longer heated by the boiler, and the auxil-iary output is used to control a device which ensuresthe loading of the calorifier by means of an electric resis-tance (thermostatic control): in this case, the symbol

is displayed.

Important note: when the ”DHW ELECTRIC” functionis used, it is not possible to control a domestic loopingpump with the auxiliary circuit.

• LEG PROTEC: the calorifier is overheated to 70°Cevery Saturday from 4 to 5 a.m. This legionella protec-tion function prevents the development of legionellapneumophilia, which is responsible for the "Legionnaire’sdisease”.Note: in this case, the maximum boiler temperaturemust be raised to 85°C, and the DHW set temperatureto 80°C.

In this case, a mixing device must be used to ensurethat the temperature of the water in the distributionsystem does not exceed 60°C.

• S.F. BOILER (solid-fuel boiler):ON: this setting is required when a solid-fuel boiler isconnected to the same flue as the fuel-oil burner. In thiscase, burner operation is controlled by a flue gas ther-mostat connected to CS, terminals 5 and 6. In addition,the ”burner fault” indicating function is disabled.OFF: normal case, the ”burner fault” indicating functionis active.

• BURN.MIN.RUN: the minimum burner operating timeis set as to prevent short burner cycles.

• HYSTERESIS A and BURNER DELAY: the changein stage is performed according to a simple delayed dif-ferential algorithm with a check of the residual power.Differential A controls the operation of the last stageswitched on.The burner delay function generates commands tochange the number of stages with the assistance of aspecific check algorithm. When the required tempera-ture is exceeded, the delay is divided by two.The factory setings meet most needs; it is not advisedto change them.

• B.P.DELAY: delay for closing the isolation valves andstopping the return injection pumps (type 1 installation)or the shunt pumps (type 2 installation).

• RELIEVE B: boiler relieve; when this function is active,the heating system cannot start up unless the boilertemperature has reached the pre-set minimum (the 3-way valves are closed, the pumps are switched off).

(1) In this configuration, the heating installation must be fitted with a mixing valve.

r19

SENSORS TEST

If any sensor circuit is cut off or shorted, the DIEMATICregulator displays the corresponding message and analarme is set off (see section 7. "MESSAGES -ALARMS"). Sensors also can be checked by accessing the"# MEASURES" paragraph (see User settings table).

The line is displayed only when the relevant circuit orsensor is connected.

If the temperature is not displayed or if the deviationbetween the displayed and the actual temperature istoo large, check the relevant sensor (ohmic value insection 2.3) and its connecting cable.

TEST MODE

The "DIEMATIC-m Delta" regulator has a test functionallowing to check the status of the parameters and ofthe inputs/outputs.

Note: if the ”TEST” mode is activated on the boiler mod-ule for more than 5 minutes, the interactive remote con-trols display ”COMMU. DEFAULT”.

13. PARAMETERS AND INPUTS / OUTPUTS CHECK

- The # PARAMETERS page allows viewing the statusof various parameters one after the other:

Keep the key pressed down until the message

"# PARAMETERS" is displayed (10 seconds). Then use

keys to change section (#) and to change

line and scroll the parameters list.

- The "# TEST OUTPUTS" page allows activating theoutputs independently one after another in order to testtheir operation. Outputs may be switched off and on

again with the or keys.

- The "# TEST INPUTS" page allows viewing the sta-tus of the logical inputs (i.e. other than sensors).

- # CONFIGURATION - MODEL: this function allowsprogramming an interactive remote control module thatwill be used as the standard. The ”MODEL” module canbe used for the rapid programming of several installa-tions (e.g. in locations where a number of identical heat-ing installations are used).

Proceed as follows:

- programme a control module, then configure it as the”MODEL” by setting the MODEL to ON.

- the module will store definitively all parameters in mem-ory, even after power has been cut off.

- Place the module briefly (at least 20 seconds) on theboiler or on the wall bracket to which the parametersare to be transferred.

- the parameters are saved automatically in the rele-vant boiler or wall bracket.

Note: a module which is set as ”MODEL: YES” may notbe left on the installation (in this case, set the”MODEL”parameter to OFF).

r20

14. USE OF A WALL BRACKET (package DB 117): CODING

14.1 Use of the module in the boiler room

The control module can be placed in any easily acces-sible location in the boiler room or in a switch cupboardin order to limit its access to qualified personnel.

In this case, the room sensor is not used.

The coding of the wall bracket is: 0.

4 3 2 1

ST1

09

87

6 5 4

321

8801N195

14.2 Use of the module as an interactive remote control with room sensor

The wall bracket integrates a room sensor which isassigned to circuit A, B or C. Originally, the coding ofthe IRC is: 1 (room sensor assigned to circuit A).Code the remote control as shown opposite to assignthe room sensor to circuit A, B or C.

4 32 1

ST1

09

87

6 5 4

321

09

87

6 5 4

321

09

87

6 5 4

321

8801N196

Important:make sure not to assign the same codingtwice (circuit A, B or C) in one installationto avoid malfunction.

No roomsensor

Room sensor assigned tocircuit A (original setting)

Room sensor assigned tocircuit B

Room sensor assigned tocircuit C

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PRESS DISPLAY STATUS OF PARAMETERS, OUTPUTS OR INPUTS

# PARAMETERSPERMUT Leading boiler (1 means the permutation is 1 - 2 - 3 etc...)

STAGE Current stage

MEAN OUTSIDE T Mean outside temperature

CALCULATED T. A * Calculated temperature for circuit A

CALCULATED T. B * Calculated temperature for circuit B

CALCULATED T. C * Calculated temperature for circuit C

BOIL. 3WV SHIFT Value of the boiler/3-way valve shift when the parameter is set to Auto

OFFSET ADAPT A * Calculated parallel offset for circuit A

OFFSET ADAPT B * Calculated parallel offset for circuit B

OFFSET ADAPT C * Calculated parallel offset for circuit C

# TEST OUTPUTS

BURNER 1.1 ON Boiler 1 stage 1 on


- - -



PUMP BOILER 1 ON Boiler 1 pump on

- - -

PUMP BOILER 10 ON Boiler 10 pump on

ISOL.V. 1 Open / Shut valve of boiler 1

- - -

ISOL.V. 10 Open / Shut valve of boiler 10

PUMP CIRC.A ON * Circuit A (or primary circuit) pump on

DHW PUMP ON * DHW pump on

AUX PUMP ON Auxiliary pump on (e.g. domestic loop)

OP.3WV B ON * Open circuit B valve

CL. 3WV B ON * Shut circuit B valve

PUMP CIRC.B ON * Circuit B pump on

OP.3WV C ON * Open circuit C valve

CL. 3WV C ON * Shut circuit C valve

BUZZER Sound signal (on in case of failure)

# TEST INPUTS

TELEPHONE REM. No bridge on telephone input

FUNCT.BU. 1.1 Phase present at boiler 1 stage 1 counting input

FUNCT.BU. 1.2 Phase present at boiler 1 stage 2 counting input

- - -

FUNCT.BU. 10.1 * Phase present at boiler 10 stage 1 counting input

FUNCT.BU. 10.2 * Phase present at boiler 10 stage 2 counting input

TELEPHONE REM. Bridge present on telephone input (1 = present, 0=absent)

R.CTRL A, B, C If an analogic remote control (R.CTRL) (BG 20) is connected, the position

of the (AUTO, DAY, NIGHT) switch is displayed

ACCUMULATOR (V) Only displayed on the interactive remote control. The value must be greater than

8,4 V after a 24-hour charge. Remove the module from the bracket to make the

measurement.


10 seconds

then

TEST MODE TABLE (see explanations below)

At the end of testing, the regulator switches back to

automatic mode when the key is pressed or after2 minutes if no key is pressed.

then

then

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PRESS DISPLAY STATUS OF PARAMETERS, OUTPUTS OR INPUTS

# BUS TEST

BUS CONFIG. Total number of devices connected to the Diematic Delta BUS.

DEVICE NUMBER Device encoding number

- 10 : module in boiler

- 70 : IRC installed in boiler room

- 71 : IRC of circuit A

- 72 : IRC of circuit B

- 73 : IRC of circuit C

BUS RUNTIME Number of operating hours since power was turned on.

CTRL BUS Number of errors since power was turned on.

# CONFIGURATION

MODEL Factory setting: OFF. On the boiler, this parameter must always be left on ”OFF”

CONDENS.B. This parameter must always be left on OFF

TEST MODE TABLE (see explanations below)

At the end of testing, the regulator switches back to

automatic mode when the key is pressed or after2 minutes if no key is pressed.

then

then

Clock calibration

PRESS DISPLAY PARAMETER ADJUSTED FACTORY SETTINGSETTING RANGE

simultaneously

and CALIBRA.CLOCK Clock calibration (number of minutes to be + 1,5' - 2,5' tosubtacted or added every month) + 5,0'

In the interest of customers, DE DIETRICH THERMIQUE are continuously endeavouring to make improvements in product quality.All the specifications stated in this document are therefore subject to change without notice.

Servicing company :Fitter :

BP 30 - 57, rue de la GareF-67580 MERTZWILLER

+ 33/3 88 80 27 00 - Fax : + 33/3 88 80 27 99N° IRC : 347 555 559 RCS STRASBOURG

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En Diematic m Delta for DTG 320

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