Instant combi wall hung gas boiler - FERROLI · > Antifrost function, if gas and power supplied >...

DivaInstant combi wall hung gas boiler

Its solid construction has been conceived for smart operation in different climates and working conditions.

It has been manufactured in Ferroli’s ultra-modern facilities in northern Italy, whose quality management complies with UNI EN ISO 9001:2008 standards.

DIVA is the new Ferroli proposal for traditional wall hung boilers with double exchanger

> Traditional compact wall hung boiler for central heating and domestic hot water

> Monothermic CH copper exchanger plus DHW stainless steel plates exchanger fed by 230 V diverting valve

> Complete and intuitive control board, with autodiagnostic function featuring backlit display and setting buttons

> Can be connected to modulating remote control, as optional

> High efficiency, 3 stars according to EN 92/42 (forced flue, model F)

> Modulating operation both in heating and domestic hot water mode, with adjustable temperature increase slope

> Hydraulic bypass as a standard> ECO/COMFORT mode for a fast production of domestic

hot water> Antifrost function, if gas and power supplied> Ready for connection to solar systems: integrated

management of combined DHW production through boiler and solar system

> Compact dimensions: same width and height of a bithermic wall hung boiler

> IPX5D protection rating> Condensing trap for air pressure switch

> MAIN FEATURES

> RANGEDIVA features 8 models for central heating and instantaneous domestic hot water production:

NATURAL DRAUGHT, OPEN FLUE

C 20MAx THERMAL OUTPUT 20,0 kW




FORCED DRAUGHT, ROOM SEALED

F 20MAx THERMAL OUTPUT 20,0 kW




REMOTE FUNCTIONaNTIFROsT

92/42

DIVA> > > Heating division

> COMPONENTS OVERVIEW

> FOCUS ON...HYDRAULIC GROUP

HyDRAULiC GROUP iS PREASSEMbLED ON A GRiLL WHiCH iS THEN FixED ON THE bOiLER’S FRAME. HyDRAULiC COMPONENTS - FROM PRiMARy MANUFACTURERS - ARE FixED TOGETHER THROUGH STEADy AND qUiCk RELEASE CLiPS. THiS PECULiARiTy FACiLiTATES TECHNiCAL iNTERvENTiON ON THE COMPONENTS THEMSELvES.

EXCHANGER

Primary central heating exchanger is in pure copper, protected by an atoxic aluminium treatment

Picture represents DIVA F 24

BURNER

Burner is made in AISI 304 stainless steel sections. Modulation occurs in central heating and domestic hot water mode

PUMP

Settable on 3 speeds

STEEL FRAME

Incorporating expansion tank: 8 litres for 20-24 kW model10 litres for 28-32 kW model

CONDENSING TRAP

Protecting fan air pressure switchagainst air humidity



> MAXIMISING COMFORT AND SAVINGSROMEO REMOTE CONTROLDIVA can be used with a wide range of remote controls and timers for managing the operation of the appliance. The ROMEO remote control series features four models, allowing programming of weekly or daily comfort conditions, and the possibility to choose wired or wireless connection. ROMEO adopts Opentherm® communication protocol.

> Setting of central heating and DHW temperature> Monitoring of boiler operating status> Displaying of temperature inside and outside the home> Boiler restart in the event of temporary shutdown> Planning of the daily or weekly room comfort conditions> Boiler’s switch on / off using a phone dialer (optional)

ROMEO’SFUNCTIONS

> WARMTH UNDER YOUR CONTROLCONTROL BOARD

1-2 DHW temperature setting buttons 3-4 Heating systems temperature setting buttons 5 Display 6 Outdoor probe menu - Summer/Winter mode selection - Reset button 7 Boiler on/off - Economy/Comfort 8 DHW symbol 9 DHW mode 10 Summer mode displayed (heating operation off) 11 Multifunction temperature indication 12 Eco (Economy) mode 13 Heating request 14 Heating symbol 15 Burner on and current power level (flashing during combustion fault function) 16 Pressure gauge

1 2

43

5

6

7

8

9 10

11

12

13

14

16

15

22

20

18

Room

tem

pera

ture

°C

WITH ROMEO REMOTE CONTROL

WITH NON-MODULATING ROOM THERMOSTAT

The modulating function available on ROMEO allows boiler output to be modulated progressively as it approaches the set room temperature. This improves comfort by eliminating peaks in heat output, and consequently ensures energy savings.


> SOLAR CIRCUIT INTEGRATION

> ANTIFROSTAlso in standby-mode, in case the temperature in the boiler drops to 5°C (temperature detected by CH or DHW sensor), the burner is automatically ignited at the minimum output and pump is also switched on. Thereby the appliance is protected against damages caused by frost. This function is active when the boiler is gas and power supplied.

> ANTI-SEIZE FUNCTIONPump is automatically switched on approximately for 5 seconds, after 24 hours of inactivity. This protection schedule is applied also to diverting valve. Such precaution avoids block of the mentioned devices in case of long inactivity.

> POST-CIRCULATIONThis function permits to recover all heat stocked for thermal intertia in the central heating exchanger and transfer it to the heating system, and as a consequence to the rooms. It is a timed function (with customisable span) and is active after burner switches off in heating mode.

> FUNCTIONS

> OPENTHERMThe Opentherm communication protocol adopted in DIVA control board. Besides aforementioned possible connection with modulating remote control Romeo, Opentherm allows integration of other system ancillaries, such for example, FZ4 zoning electronic controller or DADO ZONE zoning manifold. Opentherm, as a digital protocol, permits to the mentioned accessories a complete integration with the boiler, with full control of functions and information from the boiler and likewise from its satellite.

DIVA boasts an electronic that simplifies the integration with thermal solar sytems, both natural and forced circulation.The microprocessor monitors water temperature coming from solar circuit through the DHW sensor and ignites the burner only in case it is necessary. In such a case the boiler releases only the necessary heat to DHW which had already pre-heated by collectors, in order to reach the setpoint required by the user, allowing at the same time considerable savings even during cooler seasons.

M

FUNCTION

8 Domestic hot water outlet 9 Cold (or solar preheated) water inlet 10 System delivery 11 System return 14 Safety valve 27 Copper primary exchanger 32 Heating circulating pump 34 Heating temperature sensor 36 Automatic air vent 38 Flowswitch 42 DHW temperature sensor 49 Safety thermostat 56 Expansion tank 74 System filling cock 95 Diverter valve114 Water pressure switch194 DHW exchanger241 Automatic bypass

> WATER CIRCUIT

MODEL C 20 C 24 C 28 C 32 F 20 F 24 F 28 F 32Heating capacity Max

MinkW kW

22,08,3

25,88,3

30,811,5

34,411,5

21,58,3

25,88,3

30,011,5

34,411,5

Heat output in heating MaxMin

kW kW

20,07,0

23,57,0

28,09,9

31,39,9

20,07,2

24,07,2

28,09,9

32,09,9

Heat output in hot water production

MaxMin

kW kW

23,57,0

23,57,0

31,39,7

31,39,7

24,07,2

24,07,2

32,09,9

32,09,9

Efficiency Pmax (80-60°C) % 91 91 91 91 93 93 93,1 93,1Efficiency 30% % 89,6 89,6 89,8 89,8 90,5 90,5 91 91Efficiency class Directive 92/42 EEC - ★★ ★★ ★★ ★★ ★★★ ★★★ ★★★ ★★★

NOx emission class - 3 (<150 mg/kWh) 3 (<150 mg/kWh) 3 (<150 mg/kWh) 3 (<150 mg/kWh) 3 (<150 mg/kWh) 3 (<150 mg/kWh) 3 (<150 mg/kWh) 3 (<150 mg/kWh)

Working pressure in heating MaxMin

bar bar

30,8

30,8

30,8

30,8

30,8

30,8

30,8

30,8

Max heating temperature °C 90 90 90 90 90 90 90 90Heating water content litres 1,0 1,0 1,2 1,2 1,0 1,0 1,2 1,2Heating expansion tank capacity litres 8 8 10 10 8 8 10 10Heating expansion tank prefilling pressure bar 1 1 1 1 1 1 1 1

Working pressure in hot water production

MaxMin

bar bar

90,25

90,25

90,25

90,25

90,25

90,25

90,25

90,25

DHW flowrate ∆t 25°C∆t 30°C

l/min l/min

13,411,2

13,411,2

17,914,9

17,914,9

13,711,4

13,711,4

18,315,2

18,315,2

Protection rating iP x5D x5D x5D x5D x5D x5D x5D x5D Power supply voltage v/Hz 230v / 50Hz 230v / 50Hz 230v / 50Hz 230v / 50Hz 230v / 50Hz 230v / 50Hz 230v / 50Hz 230v / 50Hz Electrical power input W 80 80 90 90 110 110 135 135Empty weight kg 27 27 30 30 32 32 35 35

> TECHNICAL DATA


KEY 1 3/4” ø CH flow 2 1/2” ø DHW outlet 3 1/2” ø gas inlet 4 1/2” ø cold water inlet 5 3/4” ø CH return 6 Safety valve

> DIMENSIONSDIVA C 20 - C 24

DIVA C 28 - C 32

DIVA F 20 - F 24

DIVA F 28 - F 32


04.2

017NOTICE FOR DEALERS:

As part of its efforts to constantly improve its range of products, with the aim of increasing the level of customer satisfaction, the company stresses that the appearance, dimensions, technical data and accessories may be subject to variation.

Consequently, ensure that the customer is provided with up-to-date technical and/or sales documents.

Ferroli spa37047 San Bonifacio (VR) Italy - Via Ritonda 78/Atel. +39.045.6139411fax [email protected]

Instant combi wall hung gas boiler - FERROLI · > Antifrost function, if gas and power supplied >...

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