5303 272 v1 - JustAnswer

VITOTRONIC 200/300

Operating Instructions

Vitotronic 200, Model KW2Part No. Z001 230Vitotronic 300, Model KW3Part No. Z001 231Weather-responsive indoor/outdoor, digital boiler controlfor heating systems with one or more heating circuits

Certified as a component part

of Viessmann boilers only

Vitotronic 200, Model KW2

Vitotronic 300, Model KW3

Read and save these instructionsfor future reference.

IMPORTANT

15303 272 v1.3 01/2008

Safety Instructions

2

Safety, Installation and Warranty Requirements

Safety, Installation and Warranty Requirements

Please ensure that these instructions are read and understood before commencing installation and operation. Failure to comply withthe instructions listed below and details printed in these instructions can cause product / property damage, severe personal injury,and / or loss of life. Ensure all requirements below are understood and fulfilled (including detailed information found in manual sub-sections).

Licensed professional heatingcontractorThe installation, adjustment, service,and maintenance of this equipmentmust be performed by a licensed profes-sional heating contractor.Please see sectionsentitled “Safety” and“Important Regulatory andInstallation Requirements”.

Product documentationRead all applicable documentation be-fore commencing installation. Store doc-umentation near boiler in a readily ac-cessible location for reference in thefuture by service personnel.For a listing of applicableliterature, please seesection entitled “ImportantRegulatory and InstallationRequirements”.

Advice to ownerOnce the installation work is complete,the heating contractor must familiarizethe system operator / ultimate ownerwith all equipment, as well as safetyprecautions / requirements, shut-downprocedure, and the need for professionalservice annually before the heating sea-son begins.

WarrantyInformation contained in this and relatedproduct documentation must be readand followed. Failure to do so renderswarranty null and void.

Safety Terminology

The following terms are used throughout this manual to bring attention to the presence of potential hazards or important productinformation. Please heed the advice given!

Helpful hints for installation, operation ormaintenance which pertain to the product.

5303272v1

.3Indicates an imminently hazardoussituation which, if not avoided, willresult in death, serious injury orsubstantial product / property damage.

DANGERIndicates an imminently hazardoussituation which, if not avoided, couldresult in death, serious injury orsubstantial product / property damage.

WARNINGIndicates an imminently hazardoussituation which, if not avoided, mayresult in minor injury or product /property damage.

CAUTION

IMPORTANT

Index

3

Page

Important Precautions Safety Instructions 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Useful Tips Introductory InformationAbout these instructions 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tips on getting started 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Heating systems - application examples 6. . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview of controls and indicators 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Instructions(in brief)

Operating Instructions (in brief)Operating controls / display elements 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vitotronic control unit - factory default setting 9. . . . . . . . . . . . . . .

Resetting time and date 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Language selection 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Selecting the heating circuit 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting the heating program 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Altering room temperature 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setting the party mode / energy saving mode 13. . . . . . . . . . . . . . . . .

Operating Instructions(in detail)

Activating and Deactivating the Heating SystemActivating the heating system 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Deactivating the heating system 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Time Program for Central HeatingAltering the time program for central heating 15. . . . . . . . . . . . . . . . . . . . .

DHW ProductionAltering the time programfor domestic hot water production 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Altering the DHW temperature 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Altering the time programfor the DHW recirculation pump 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Holiday ProgramActivating the holiday program 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Other SettingsScanning temperatures and operating status 24. . . . . . . . . . . . . . . . . . .

Altering settings of the heating system 25. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Special displays 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Emissions Inspection Emissions test switch 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Information Troubleshooting GuideDiagnosis and correction 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service instructions 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Saving energy 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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4

About These Instructions

The following symbols and flag words are utilized in theseInstallation Instructions:

Indicates an imminently hazardous sit-uation which, if not avoided, could re-sult in death, serious injury or sub-stantial product / property damage.

Indicates an imminently hazardous sit-uation which, if not avoided, may re-sult in minor injury or product / prop-erty damage.

Helpful hints for installation, operationor maintenance which pertain to theproduct.

This symbol indicates that additional,pertinent information is to be found incolumn three.

This symbol indicates that otherinstructions must be referenced.

5303272v1

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Warnings draw your attention to thepresence of potential hazards orimportant product information.

WARNING

Cautions draw your attention to thepresence of potential hazards orimportant product information.

CAUTION

IMPORTANT

Introductory Information

5

Tips on Getting Started

Your heating system provides central heating and domestic hot water heating inconjunction with a domestic hot water tank.

The timer of the control unit switches over between ”normal room temperature”and ”reduced room temperature” at the required times.

1. Normal room temperaturefor the times you spend at home andrequire a comfortably warm roomtemperature (e.g. 68 ºF / 20 ºC).

2. Reduced room temperatureat nighttime or for the times youspend away from home. To saveenergy, a temperature which is lowerthan the ”normal room temperature”is normally selected.In the factory setting, ”frostprotection at 37 ºF / 3 ºC” isselected.

Times and duration of the two roomtemperatures can be set via theprogramming unit.You can set the required temperaturevalue for both the ”normal room tem-perature” and the ”reduced room tem-perature”.

The timer of the control unit activates and deactivates the domestic hot watersupply at the required times (applicable to boiler with domestic hot water tankonly).

1. Domestic hot water heating takesplacefor the times you spend at home andrequire hot water for your dailyrequirements (e.g. for showering).

2. Domestic hot water heating does nottake placeat nighttime for example.

Times and duration of domestic hot waterheating can be set via the programmingunit.

The domestic hot water temperaturecan be set according to your personalpreference up to 140 ºF / 60 ºC.

The DHW recirculation pump (ifinstalled) ensures instantaneous avail-ability of hot water.

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IMPORTANT

IMPORTANT


6

Heating Systems - Application Examples

Please ask your heating contractor to make an X in the appropriate box.

j System type 1Boiler with one heating circuit 1without mixing valveoptionally withj Vitotronic 200j orj Vitotronic 300j Domestic hot water tankj DHW recirculation pumpj Vitotrol remote control

j System type 2Boiler with one heating circuit 2with mixing valveoptionally withj Vitotronic 200j orj Vitotronic 300j Domestic hot water tankj DHW recirculation pumpj Vitotrol remote control

j System type 3Boiler with one heating circuit 1without mixing valve and one heatingcircuit 2 with mixing valveoptionally withj Vitotronic 200j orj Vitotronic 300j Domestic hot water tankj DHW recirculation pumpj Vitotrol remote control

j System type 4Boiler with two heating circuits withmixing valve(heating circuit 2 with mixing valve

, heating circuit 3 with mixingvalve )optionally withj Vitotronic 300j Domestic hot water tankj DHW recirculation pumpj Vitotrol remote control

j System type 5Boiler with one heating circuit 1without mixing valve and two heatingcircuits with mixing valve(heating circuit 2 with mixing valve ,heating circuit 3 with mixing valve )optionally withj Vitotronic 300j Domestic hot water tankj DHW recirculation pumpj Vitotrol remote control

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Boiler temperature

Boiler temperature

7

Overview of Controls and Indicators (with hinged covers open)

Heating circuit switches, only and onVitotronic 200

Display

Setpoint selector for ”normal room temperature”

Heating program settings

Energy saving mode on / off

Party mode on / off

Heating system on / off switch

Fuse

Fixed high limit reset button

Adjustable high limit

TUV service button (for service purposes only)

Emissions test switch

Operating status display (green)

Fault display (red)

Time program for central heating

Time program for domestic hot water heating

Time program for DHW recirculation pump

Holiday program

Adjustment buttons

Information

Confirmation button

Factory default settings button

Domestic hot water temperature

Reduced room temperature

Time / date

Heating curve shift

Heating curve slope

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8

Overview of Controls and Indicators (with hinged covers open)

Other display symbols

(These appear in the bottom line of the

display)

Risk of freezing

Central heating with normal room

temperature

Central heating with reduced

room temperature

ep

sp

mp Heating circuit pump running

� Mixing valve ”Open”

� Mixing valve ”Closed”

DHW pump ON

wpTank primary pump running,

DHW is being heated

pDHW heating via solar heating

system

Heating circuit pump ON

Burner ON

u Time adjustment display

S Emissions test ON

Contrast adjustment

Open the hinged cover on the

programming unit, press and, at the

same time, adjust the contrast with the

or button.

Factory default settings

Press this button to reset altered values

to their factory default settings. Please

note that this action will reset all

previously altered values to the original

factory default settings.

Data flashing in the display means that

new settings can be entered.

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IMPORTANT

Operating Instructions (in brief)

9

Operating Controls / Display Elements

All settings of your heating system are centralized on the control unit and on thebuilt-in programming unit.

If your system is equipped with a remote control, the settings can also be made onthe remote control unit.

See Operating Instructionsfor remote control

Please refer also to the section headed ”Special Displays” in these instructions.

The programming unit is arranged in a drawer-type compartment.Pull the unit forward, swing it up and lock it in a convenient position to read thedata shown in the display.

AProgramming unitBProgramming unit flapCHinged coverDAbridged operating instructions

Vitotronic Control Unit - Factory Default Setting

The control unit comes factory adjusted to a standard operating mode.Your heating system is therefore ready for operation. You can change the factorydefault settings to suit your individual preferences.

Date and time (EST)Date and time are factory preset andare maintained through the built-inlong-life battery. For changes due todifferent time zones, please refer to thefollowing page.Resetting for daylight savings timetakes place automatically, depending onsettings for day / week / month.

Heating programThe heating program is set for ”Centralheating and domestic hot water”, i.e.central heating and domestic hot waterheating take place in accordance withthe time programs.

Time programsBetween 06:00 and 22:00 hrs, centralheating takes place with the normal roomtemperature and, between 05:30 and22:00 hrs, domestic hot water heating (ifa DHW tank is installed).Frost protection (37 ºF / 3 ºC) is providedbetween 22:00 and 06:00 hrs.

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A

D C

CB


10

Resetting Time and Date

The time and date are preset at the factory and can be changed manually.

Time

DDateTh

1. Open the hinged cover on theprogramming unit.

2. for ”Time”.

3. / to enter the time.

4. to confirm;the date is displayed.

5. / to enter the date.Press and hold to scrollthrough day, month andyear.

6. to confirm.

7. Close the hinged cover on theprogramming unit.

Language Selection

Outdoor temperature

i ºC

English

i


2. to scan data;the outdoor temperature isdisplayed.

3. until the required languageappears.

4. to confirm;the display changes andshows the boiler watertemperature.


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11

Selecting the Heating Circuit

On heating systems with two or three heating circuits, the corresponding heatingcircuit must be selected before making settings and adjustments.Heating circuit 1: Heating circuit 1 without mixing valveHeating circuit 2: Heating circuit 2 with mixing valveHeating circuit 3: Heating circuit 3 with mixing valve (only

on Vitotronic 300)

The heating circuits are individually labelled by your heating contractor.

Press or or ; the correspondingbutton is lit. You can now make thesettings and adjustments for theselected heating circuit.

If this is not done, the followinginstruction appears in display: ”Selectbutton 1-2” or button ”1-3”.

Setting the Heating Program

Select one of the heating programs according to your personal requirements.

After pressing the corresponding button, the display over the button will light up;the selected heating program appears in the display window for a short time.

Central heating and domestic hot waterCentral heating with alternatingnormal and reduced room tempera-ture (frost protection) according tothe selected time programDomestic hot water supply (if a DHWtank is installed) and DHW recircu-lation pump (if installed) ONFrost protection of the heatingsystem

Domestic hot water onlyNo central heatingDomestic hot water supply (if a DHWtank is installed) and DHW recircu-lation pump (if installed) according tothe selected time programFrost protection of the heatingsystem

Stand-by operationNo central heatingNo domestic hot water supplyFrost protection of the heatingsystem

e.g. for winter and transitionalperiods.

e.g. for the summer.

If no domestic hot water tank is con-nected, the message ”Without func-tion” is displayed.

The circulation pumps are switched onfor a short time every 24 hours to pre-vent them from seizing up.

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Boiler temperature

IMPORTANT

IMPORTANT


12

Altering Room Temperature

In the ”Central heating and domestic hot water” heating program, central heatingtakes place with alternating ”normal room temperature” and ”reduced roomtemperature” according to the selected time program.You can set the required room temperature as follows:

To change the ”normal room temperature”

Normal room temp.ºC

Factory setting: 68 ºF / 20 ºC from06:00 to 22:00 hrs.The ”normal room temperature” can beset between 37 and 99 ºF / 3 and37 ºC.

Press or or to select thedesired heating circuit.Turn the ” ” selector knob; thetemperature value appears in thedisplay window.

ExampleFor the times you spend at home andrequire a comfortably warm roomtemperature.

If this is not done, the followinginstruction appears in display: ”Selectbutton 1-2” or button ”1-3”.

To change the ”reduced room temperature”

Frost protectionºC

Reduced room temp.ºC

Factory setting: frost protection 37 ºF /3 ºC from 22:00 to 06:00 hrs.The ”reduced room temperature” can beset between 37 and 99 ºF / 3 and37 ºC.


2. Press ; the display shown on theleft appears.

3. Set the required value with the orbutton.

4. Confirm by pressing ; thetemperature value stops flashing andis saved.


ExampleAt nighttime or times you spend awayfrom home.

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13

Setting the Party Mode

Switch on the party mode when you require central heating and domestic hot waterfor a short time independent of the preset heating and time program. During theparty mode, your central heating system operates on the basis of the selected”normal room temperature”.You can adjust the room temperature (party temperature) to suit your personalpreference.

To activate the party modeParty mode

ºC

Press . The button is lit and remainslit throughout the party mode.The display for the party mode appearsin the display window for a short timeand the preset temperature valueflashes.

ExampleUse when you want to stay up longerthan usual, e.g. because you haveguests, and require central heatingand domestic hot water withouthaving to change the time program.

To change the room temperature (party temperature)1. Open the hinged cover on the

programming unit.2. Press or or to select a

heating circuit. Then press . Thepreset temperature value flashes.

3. Set the required value with the orbutton.

4. Confirm by pressing ; thetemperature value stops flashing andis saved.


To cancel the party modeThe party mode is cancelled the nexttime the preset heating programswitches automatically to centralheating with ”normal roomtemperature”.If you want to cancel the party modeimmediately, press the buttonagain; the button is no longer lit.

Use party mode if the space heating func-tion of your heating system is deacti-vated, but temporary reactivation is de-sired. DHW production is also reinstated.

Setting the Energy Saving Mode

The energy saving mode is only possible in the ” ” heating program.Switch on the energy saving mode when you require economical central heating fora short time. In the energy saving mode the preset room temperature isautomatically lowered.

Energy saving mode

To activate the energy saving modePress or or to select a heatingcircuit. Then press . The button is litand remains lit throughout the energysaving mode.The display for the energy saving modeappears in the display window for a shorttime.

To cancel the energy saving modeThe energy saving mode is cancelledautomatically the next time the presetheating program switches to centralheating with ”reduced roomtemperature”.To cancel the energy saving modeimmediately, select the heating circuitand press to deactivate the energy

saving mode. The button will nolonger be lit.

ExampleUse when you leave the houseunoccupied for some time, e.g. to goshopping during the day.

Energy saving mode lowers the room tem-perature by approx. 4 °F / 2 °C.

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IMPORTANT

IMPORTANT

Activating and Deactivating the Heating System

14

Activating the Heating System

The initial start-up and adjustment of the control unit to local conditions and thestructural characteristics of the building must be performed by your heatingcontractor.We advise you to contact your heating contractor before re-starting the heatingsystem if it has been shut down for a long period.

1. Check the pressure of the heatingsystem on the pressure gage :If the needle is below the red markeror 10 psi / 0.7 bar the systempressure is too low - in which caseyou need to add more water orcontact your heating contractor.

2. Open the shut-off valves in the oilpipes (at the tank and filter) or openthe gas shut-off valve, whichever isapplicable.

3. Switch on the power, e.g. at thebreaker or electrical disconnectswitch.

4. Switch on the heating system on /off switch ” ”; the operating statusis indicated by the green LED and theboiler water temperature will appearin the display (see page 7).

Your heating system and, if installed,the remote control are now ready foroperation.

See Start-up Instructions ofthe boiler (and DHW tank ifapplicable)

Deactivating the Heating System

If you do not want to use your heating system temporarily, e.g. during your summerholidays, switch to stand-by operation (see ”Setting the Heating Program”).

If you do not want to use your heating system for a long period (several months),you should shut down the system.We advise you to contact your heating contractor before shutting down the heatingsystem for long periods. Your heating contractor will take any necessary action,e.g. for frost protection of the system or to safeguard the heat exchanger surfaces.

1. Switch off the heating system on /off switch ” ”.

2. Close the shut-off valves in the oilpipes (at the tank and filter) or closethe gas shut-off valve, whichever isapplicable.

3. Switch off the power supply, e.g. atthe breaker or electrical disconnectswitch.The power supply to the system isnow switched off.There is no frost protection.

The settings of the control unit remainintact.

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IMPORTANT

Time Program for Central Heating

15

Altering the Time Program for Central HeatingThe time program consists of 4 cycles. Heating cycle 1 is preset at the factory from06:00 to 22:00 hrs, i.e. you have the ”normal room temperature” during this period.

You have the following options to set the timer program to suit your requirements:By setting the corresponding timer cycles, the central heating can be switchedup to 4 times per day between the ”normal room temperature” andthe ”reduced room temperature”.You can set identical timer cycles for every day of the week or individual timercycles for each day of the week.

When setting the heating cycle, pleasetake into account the reaction time ofyour heating system. Therefore choosecorrespondingly earlier starting andfinishing times.

When timer is programmed with--:--, heating circuits will be incontinuous energy saving mode.When timer is programmed withON 00:00, OFF 24:00, heating circuitswill be in continuous normal roomtemperature mode.

Identical time cycles for every day of the week

1Time Prog. Central Htg.1---7

11---7

11.Open the hinged cover on theprogramming unit. Select heatingcircuit, activating or or .

12. for ”Central heating timeprogram”. Wait until thedisplay shown on the leftappears.

13. for ”Heating cycle 1”.14. for ”Heating cycle 1 ON”.15. /

to enter the start of thecycle

16. to confirm; the displaychanges to ”Heatingcycle 1 OFF”.

17. /to enter the end of thecycle.

18. to confirm; the displaychanges to ”Heatingcycle 2 ON”.

19.To set the start and end of heatingcycles 2 to 4, follow the proceduredescribed in points 5 to 8.

10.Close the hinged cover on theprogramming unit.

To scan the heating cycles

Follow the procedure described above,but without using the andbuttons.

The heating cycles at a glance


2. Press and simultaneously;the preset cycles appear on a timeslot graphic.


If you wish to exit the time programsetting mode, press again.

Press to skip a timer cycle.

After you have confirmed the lastinput with , the display changesand shows the boiler watertemperature.

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IMPORTANT

Time Program for Central Heating

16

Altering the Time Program for Central Heating (continued)

Individual heating cycles for each day of the week

1Time Prog. Central Htg.1---7

1Time Prog. Central Htg.Mo

1Mo

1. Open the hinged cover on theprogramming unit. Select heatingcircuit, activating or or .

12. for ”Central heating timeprogram”. Wait until thedisplay shown on the leftappears.

13. / to enter the day of theweek for which yourequire a different timeprogram.

14. for ”Heating cycle1”.

15. for ”Heating cycle 1ON”.

16. / to enter the start of thecycle.

17. to confirm; the displaychanges to ”Heatingcycle 1 OFF”.

18. / to enter the end of thecycle.

19. to confirm; the displaychanges to ”Heatingcycle 2 ON”.

10.To set the start and end of heatingcycles 2 to 4, follow the proceduredescribed in points 6 and 9.


To scan the heating cycle timer

Follow the procedure described above,but without using the and

buttons.

The heating cycles at a glance


2. Press and simultaneously; thepreset heating cycles for the currentday of the week appear on a timeslot graphic.





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DHW Production

17

Altering the Time Program for DHW Production

The time program consists of 4 DHW cycles. Cycle 1 is preset at the factory from05:30 to 22:00 hrs, i.e. domestic hot water is heated during this period.The automatic mode is also selected, i.e. domestic hot water heating takes placeparallel to the central heating time program, but starts 30 minutes earlier.You have the following options to set the DHW cycles to suit your requirements:By setting the corresponding timer cycles, domestic hot water heating can beswitched on and off up to 4 times per day.You can set identical timer cycles for every day of the week or individual timer

cycles for each day of the week.If you require domestic hot water heating on a one time basis outside theprogrammed DHW cycle, e.g. after 22.00 hrs., press twice 2 to 3 secondsapart.

The control unit is set up so that thelast setting change is applicable to allheating circuits, i.e. a change of thetime program for heating circuit 1 isalso applied to the other heatingcircuits. If you require this to bechanged, please contact your heating

contractor.When timer is programmed with --:--,DHW production is disabled.When timer is programmed with ON00:00 OFF 24:00, DHW production ispossible 24 hours a day, 7 days a week.

Identical cycles for every day of the week

Automatic?

1Time prog. DHW1---7


2. for ”DHW time pro-gram”. Wait until thedisplay shown on the leftappears.

3. for ”Individual?”.

4. to confirm.

5. for ”DHW cycle 1”.

6. for ”DHW cycle 1 ON”.


8. to confirm; the displaychanges to ”DHW cycle1 OFF”.


10. to confirm; the displaychanges to ”DHW cycle2 ON”.

11.To set the start and end of DHWcycles 2 to 4, follow the proceduredescribed in points 5 to 10.





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IMPORTANT

DHW Production

18

Altering the Time Program for DHW Production (continued)

11---7

To scan the DHW cycle timer


buttons.

The DHW cycles at a glance


2. Press and simultaneously; thepreset timer cycles appear on a timeslot graphic.


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DHW Production

19


Individual DHW cycles for each day of the week

Automatic?

1Time prog. DHW1---7

MTime prog. DHWMo


2. for ”DHW time pro-gram”. Wait until thedisplay shown on the leftappears.


4. to confirm.


6. for ”DHW cycle 1”.

7. for ”DHW cycle 1 ON”.


9. to confirm; the displaychanges to ”DHW cycle1 OFF”.


11. to confirm; the displaychanges to ”DHW cycle2 ON”.

12.To set the start and end of DHWcycles 2 to 4, follow the proceduredescribed in points 6 to 10.





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DHW Production

20


1Mo

To scan the DHW cycles


buttons.

The DHW cycles at a glance


2. Press and simultaneously; thepreset timer cycles for the currentday of the week appear on a timeslot graphic.


Altering the DHW Temperature

You can choose the domestic hot water temperature to suit your personalpreference (e.g. for showering).

Desired DHW temp.ºC


2. for domestic hot watertemperature; the tempera-ture value flashes.

3. / to enter the required value.

4. to confirm; the temperaturevalue stops flashing and isstored.


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DHW Production

21

Altering the Time Program for the DHW Recirculation Pump

The time program consists of 4 timer cycles. Cycle 1 is preset at the factory from06:00 to 22:00 hrs, i.e. the DHW recirculation pump is on during this period.The automatic mode is also selected, i.e. the DHW recirculation pump runs parallelto the domestic hot water heating time program.You have the following options to set the timer cycles to suit your requirements:By setting the corresponding timer cycles, the DHW recirculation pump can beswitched on and off up to 4 times per day.You can set identical timer cycles for every day of the week or individual timercycles for each day of the week.

The DHW recirculation pump should run at those times when you require hot water.Please see the note headed ”Important” on page 16.When timer is programmed with --:--, DHW recirculation pump is off.When timer is programmed with ON 00:00, OFF 24:00, DHW recirculation pumpoperates continuously.

Identical DHW recirculation pump cycles for every day of the week

Automatic?

1Time prog. DHW recirc.1pump1---7

11---7


2. for ”DHW recirc.pump time program”.Wait until the displayshown on the left appears.


4. to confirm.

5. for ”DHW recirc.pump cycle 1”.

6. for ”DHW recirc.pump cycle 1 ON”.


8. to confirm; the displaychanges to ”DHW recirc.pump cycle 1 OFF”.


10. to confirm; the displaychanges to ”DHW recirc.pump cycle 2 ON”.

11.To set the start and end of the DHWrecirculation pump cycles 2 to 4,follow the procedure described inpoints 5 to 10.


To scan the timer cycles


buttons.

The DHW recirculation pump cycles at aglance

1. Open the hinged cover on the pro-gramming unit.

2. Press and simultaneously; thepreset time cycles appear on a timeslot graphic.





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DHW Production

22

Altering the Time Program for the DHW Recirculation Pump (continued)

Individual DHW recirculation pump cycles for each day of the week

Automatic?

1Time prog. DHW recirc.1pump1---7

MTime prog. DHW recirc.MpumpMo

1Mo


2. for ”DHW recirculationpump time program”.Wait until the displayshown on the left appears.


4. to confirm.


6. for ”DHW recirc.pump time cycle 1”.

7. for ”DHW recirc. pumpcycle 1 ON”.


9. to confirm; the displaychanges to ”DHW recirc.pump cycle 1 OFF”.


11. to confirm; the displaychanges to ”DHWrecirc. pump cycle 2 ON”.

12.To set the start and end of the DHWrecirculation pump cycles 2 to 4,follow the procedure described inpoints 6 to 10.


To scan the DHW recirculation pumpcycles


buttons.

The DHW recirculation pump cycles at aglance

1. Open the hinged cover on the pro-gramming unit.

2. Press and simultaneously; thepreset time cycles for the current dayof the week appear on a time slotgraphic.





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Holiday Program

23

Activating the Holiday Program

When you go away on holiday and want to reduce your energy consumption,choose one of the following heating programs.

Stand-by operation

No central heatingNo domestic hot water heatingFrost protection of the heatingsystem.

e.g. for your summer holiday.

The recirculation pump is switched onfor a short time every 24 hours toprevent it from seizing up.

Holiday program

No domestic hot water heatingThe selected heating and time pro-grams are active on the dates of yourdeparture and return.When the ” ” heating programis set, central heating takes placeduring the holiday program with theselected ”reduced room tempera-ture” (see “Altering Room

Temperature”).When the ” ” or ” ” heating pro-gram is set, only frost protection ofthe heating system takes place dur-ing the holiday program.

e.g. to protect house plants duringyour winter holiday and when youwant a warm home to return to.

The control unit is set up so that thelast setting change is applicable to allheating circuits, i.e. the holidayprogram is effective for all heatingcircuits.If you require this to be changed,please contact your heatingcontractor.

DDeparture dateSa

SReturn dateSu

1. Open the cover on the programmingunit.

2. for ”Holiday program”.

3. to confirmor automatic after 4 sec-onds; the display shown onthe left appears.

4. / to enter the departure date.

5. to confirm;the return date shown isthe day following theentered departure date.

6. / to enter the return date.



After the departure date, ”Holidayprogram” and the current date appear inthe display.

On the return date, the boiler watertemperature appears in the display.

If you wish to switch off the holidayprogram before the selected returndate, press again.

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IMPORTANT

Other Settings

24

Scanning Temperatures and Operating Status

You can scan various current temperatures and operating status informationdepending on the system components and the settings.

Holiday program (if entered) withdates of departure and returnOutdoor temperatureSupply temperature(for heating circuit with mixing valve)Boiler water temperatureDomestic hot water temperatureReturn water temperature(for heating circuit with mixing valveand if sensor installed)Room temperature (if Vitotrol remotecontrol installed)Flue gas temperature (if sensor isinstalled)Burner operating hoursNumber of burner startsFuel consumption (if the correspond-ing setting has been carried out bythe heating contractor)TimeDateBurner on / offHeating circuit pump on / offTank pump on / offDHW recirculation pump on / offMixing valve open / closedLanguage

iOutdoor temperature

i ºC

1. Open the hinged cover on theprogramming unit. Select heatingcircuit, activating or or .

2. to scan data;the outdoor temperature isdisplayed.

3. / to scan other data.

4. to exit the scanning mode;the display changes andshows the boiler watertemperature.


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Other Settings

25

Altering Settings of the Heating System

The heating pattern of your boiler is influenced by the outdoor temperature and thesettings of the ”shift” and ”slope” of the ”heating curve”. You can change thesettings if the room temperature has not met your requirements over a certainperiod of time.After changing the settings, please observe the difference in the heating patternover a sufficiently long period before altering the settings again.Short-term changes in the room temperature are carried out with the ” ” selectorknob or ” ” button (see ”Altering the Room Temperature”).

Heating curves represent the relationship between the outdoor temperature and theboiler water or supply temperature. Put simply: The lower the outdoor temperature,the higher the boiler water or supply temperature.

In the factory default settings, the slope is set to 1.4 and the shift to 0.The heating curves shown are based on the following settings:”Shift of heating curve” = 0With a different shift setting, the curves are shifted parallel in a vertical direction.”Normal room temperature” = approx. 68 ºF / 20 ºC.

The slope of the heating curve isnormally within the range marked

for underfloor heating systems,for modulating heating systems,for heating systems with tempera-

tures over 167 ºF / 75 ºC

ExamplesWell insulated house in protectedlocation (radiator heating):Slope = 1.2House in exposed location or withold heating system (radiator heat-ing):Slope = 1.6

Altering the heating pattern by adjusting the heating curve

Slope

Shift

1. Open the cover on the programmingunit. Select heating circuit, activating

or or .

2. for ”Slope”.or

for ”Shift”.

3. / to enter the values.



As a guide, please refer to the tableheaded ”Alter heating pattern if...” onpage 26.

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Other Settings

26

Altering Settings of the Heating System (continued)

Alter heating pattern if ... Action Example

... the accommodation is too cold at

... cold time of yearAdjust the slope of the heating curveupwards by one increment Slope

... the accommodation is too warm at

... cold time of yearAdjust the slope of the heating curvedownwards by one increment Slope


... transitional time of year and at

... cold time of year.

Adjust the shift of the heating curveto a higher value(e.g. +5.4 ºF / +3 ºC)

Shift


... transitional time of year and at

... cold time of year.

Adjust the shift of the heating curveto a lower value (e.g. -5.4 ºF / -3 ºC) Shift


... transitional time of year, but

... warm enough at cold time of year.

Adjust the shift of the heatingcurve to a higher value(e.g. +5.4 ºF / 3 ºC)and the slope downwards by oneincrement

Slope

Shift


... transitional time of year, but

... warm enough at cold time of year.

Adjust the shift of the heatingcurve to a lower value(e.g. -5.4 ºF / -3 ºC)and the slope upwards by oneincrement

Slope

Shift

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Other Settings

27

Special Displays

MServiceMo ºC

Contact your heating contractor toarrange a service call.

Remote controlThis display appears when a settingcannot be made on the control unit, butonly on the remote control.

Example”Normal room temperature” on the” ” selector knob can only be set onthe remote control.

Without functionThis display flashes when you havepressed a button to which no functionis assigned.

Exampleif no DHW tank is connected.

Ext. controlThe heating program which is set onthe control unit has been switched overby an external control unit (e.g.Switching Module-V).

Ext. programThe heating program which is set onthe control unit has been switched overby the communication interfaceVitocom 100.

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Emissions Test Switch / Troubleshooting Guide

28

Emissions Test Switch

For flue gas measurements with short-term elevated boiler water temperature.

Emissions testswitch

= Manualoperation

= Automatic

1. Open the bottom hinged cover on thecontrol unit.

2. Turn the emissions test switch ” ”from ” ” to ” ”.

3. Activate the heat emitters (e.g. byopening the thermostatic valves).

4. After completing the measurement,close the hinged cover; the switch isautomatically set to ” ”.

The following functions are triggered:The boiler water temperature is

controlled by the temperatureregulator ” ”.All pumps are switched onThe mixing valve (if installed)remains in its control mode.The burner is switched on (at max.output).

Diagnosis and Correction

If a fault occurs in your heating system, it will be indicated in the display windowwith the cover closed and by a flashing red fault lamp. Using the scan facility, youcan access the fault code in the display window and inform your heating contractoraccordingly.

Boiler sensor

Acknowledge? Yes


2. for fault search.The error source isdisplayed in plain languageand in the form of a faultcode.

3. to acknowledge the fault.

4. / for Yes or No.



ExampleFault display

Error numberSensor designation

plug designationOpen circuit

orShort circuit

Please note:The fault message will re-appear at07:00 hrs on the following day if thefault has not been corrected in themeantime. The red fault lampcontinues to flash until the fault hasbeen corrected.

To call up an acknowledged fault message

Press for approx. 2 seconds.

Select the acknowledged fault with/ .

Fault is displayed

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DFault

TuºC

Troubleshooting Guide

29

Diagnosis and Correction (continued)

Fault Cause Corrective Action

Heating system does not activate Heating system switch ”8” on thecontrol unit turned to OFF

Switch on

Main power deactivated Activate main power

Fuse in the powercircuit or in the control unit hasblown or tripped

Inform heating contractor

Burner activation does not occur orburner fires irregularly

Vitotronic has been improperlyprogrammed

Check setting of heating program andprogramming of the programmingunit, and correct if necessary

Power venter (if installed) defective Call heating contractor

Vitotronic defective After consulting your heatingcontractor, the boiler can be operatedtemporarily with constant boilerwater temperature by turning theemissions test switch ” ” to ” ”(leave cover open)

No fuel Oil / LPG:Check fuel supply and re-order ifnecessary.Natural gas:Open gas shut-off valve or contactgas supply company if necessary.

On systems with DHW tank:Burner is operating, but no hot water

Vitotronic has been improperlyprogrammed

Check time program for domestic hotwater heating, check domestic hotwater temperature, and correct if ne-cessary (see page 16)

Tank temperature sensor orrecirculation pump defective

Inform heating contractor

The rooms are cold even though theburner is operating

Operation with domestic hot watertank only:Domestic hot water supply haspriority (” “ in display window)

Wait until the domestic hot watertank has heated up

Heating program ” ” or ” ” is set(corresponding button is lit)

Set heating program ” ”

In conjunction with Vitotronic 300:On / off switch on mixing valve mo-tor turned to OFF

Switch on the on / off switchI ON.

The room temperature is not highenough with a low outdoor temp.

Heating curve setting incorrect Check and, if necessary, correct theheating curve setting

Vitotronic has been incorrectlyprogrammed

Check and, if necessary, correct thesettings for the temperatures, thetime and heating program

Cold during the day, but warm atnight

Vitotronic has been incorrectlyprogrammed

Check and, if necessary, correct thesettings for the temperatures, thetime and heating program

”Fault” flashes in the display window Heating system defective Make a note of the fault code and in-form your heating contractor

”Without function” appears in thedisplay window of the control unit

The button pressed has no function,e.g. if no DHW tank isconnected.

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Service Instructions

30

Service Instructions

Servicing is required under current heating system regulations and standards.

Regular servicing of the heating system will ensure troublefree, energy-saving andenvironmentally friendly heating. We strongly advise you to arrange a servicecontract with your heating contractor.

BoilerAll boilers have to be cleaned at certainintervals as the flue gas temperature andtherefore the energy loss rise as thelevel of contamination increases.

We recommend the use of a flue gasthermometer.The flue gas thermometer, which isavailable as an accessory, can be usedto monitor the flue gas temperature.This will show whether the burnersetting is incorrect and will provide anindication of the degree ofcontamination of the boiler.

The efficiency of the system will beimpaired if the flue gas temperature isexcessively high due to contamination ofthe boiler or incorrect adjustment of theburner. In this case it may be necessaryto clean the boiler or readjust the burner.A built-in operating hours countermeasures the operating times of theburner.The longer the operating times, thelower the stand-by losses.

Notes on operation:Keep the boiler room and the boilerclean.Regularly check the pressure of theheating system on the pressuregage.

Domestic hot water tankThe domestic hot water tank must beserviced or cleaned two years afterstart-up at the latest and at regularintervals thereafter.Cleaning of the inside surfaces of thedomestic hot water tank including thedomestic hot water connections mayonly be undertaken by a licensedheating contractor.Vitocell 100:We recommend that a functionalinspection be carried out annually bythe heating contractor to check thesacrificial anode. This can be donewithout interrupting the operation of thesystem. The heating contractormeasures the protective current with ananode testing instrument.

If the cold water supply to the hotwater tank incorporates a watertreatment device (e.g. a sluice orinoculation unit), the filling must berenewed promptly.The same applies if a dirt trap or a filteris installed in the cold water supply.These must be flushed out and servicedregularly.

Safety relief valve (DHW tank)The valve test lever must be operatedat least once a year by the owner. Alicensed heating contractor shallreinspect the safety relief valve at leastonce every 3 years.

There is a risk of dirt collecting at thevalve seat (see valve manufacturer’sinstructions).

Drinking water filter (if installed)For hygienic reasonsreplace the filter element every6 months on filters which cannotbe flushed back (also make a visualinspection every 2 months),flush back reversible supply filtersevery 2 months.

Please refer to the manufacturer’sinstructions.

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IMPORTANT

IMPORTANT

IMPORTANT

Saving Energy

31

Saving Energy

.... by heating correctlyApart from using the benefits offered by a modern heating system, there’s a lot youcan do yourself to make additional fuel savings. For instance:

Proper ventilation

Do not overheat

Close window shutters (if installed) atdusk.Operate thermostatic valvescorrectly.Don’t obstruct radiators andthermostatic valves .Make use of the individual adjustmentfacilities of the control unit .

Set the domestic hot watertemperature of the DHW tank onthe control unit .Control your consumption of hotwater.

Fully open the windows for a shorttime with the thermostatic valvesclosed.Aim at a room temperature of 68 ºF /20 ºC. Every ºC less in roomtemperature will reduce your heatingcosts by up to 6 %.

e.g. ”normal room temperature”alternating with ”reduced roomtemperature”

A shower generally consumes lessenergy than a bath.

... by regular maintenanceRegular maintenance of your heating system by a service contractor will ensureenergy-saving and environmentally friendly operation.

.... by effective insulationIf you wish to make use of additional energy-saving measures, check out thethermal insulation:

of the heating and domestic hot waterpipesof the external walls and the roofbetween the heated and the unheatedroomsof the windows

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Viessmann Manufacturing Company Inc.750 McMurray RoadWaterloo, Ontario • N2V 2G5 • CanadaTel. (519) 885-6300 • Fax (519) 885-0887www.viessmann.ca • [email protected]

Viessmann Manufacturing Company (U.S.) Inc.45 Access RoadWarwick, Rhode Island • 02886 • USATel. (401) 732-0667 • Fax (401) 732-0590www.viessmann-us.com • [email protected]

32

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5303 272 v1 - JustAnswer

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