Baxi Nuvola 3 Comfort Service Manual

High performance gas-red wall-mounted boileroperating and installation instructionsGB

10C607215 - GBINSTRUCTIONS FOR USERSe shower function optimises DHW control, for example, when someone is taking a shower.e function delivers DHW at

11C607215 - GBINSTRUCTIONS FOR USERSPress +/- to adjust the duration of the function, the adjustment step is 10 minutes. Duration ranges from 10 min

12C607215 - GBINSTRUCTIONS FOR USERSTo switch o the boiler, disconnect the electric power supply. With the gas boiler in “OFF” mode (section 3.2), th

13C607215 - GBINSTRUCTIONS FOR USERSBLOCKIn the presence of a block, the display shows the symbols the ashing letters >>>OK which 

14C607215 - GBINSTRUCTIONS FOR FITTERSis boiler has been designed to heat water to a temperature lower than boiling point at atmospheric pressure. It

15C607215 - GBINSTRUCTIONS FOR FITTERS13. INSTALLING THE BOILER Aer deciding the exact location of the boiler, x the template to the wall.Connect th

16C607215 - GBINSTRUCTIONS FOR FITTERS15. CONTENTS OF PACK  

17C607215 - GBINSTRUCTIONS FOR FITTERS16.1 HORIZONTAL FLUE INSTALLATION OPTIONS0612_0201L max = 4 mL max = 5 m - 140 FiL max = 3 m - 320 Fi L max = 8

18C607215 - GBINSTRUCTIONS FOR FITTERSFor detailed installation instructions, consult the technical data provided with the accessories.… separate ue

19C607215 - GBINSTRUCTIONS FOR FITTERS MAX LENGTH POSITION OF CO2% AIR REGULATOR   m AFR G20 G30 G31

2C607215 - GBINSTRUCTIONS FOR USERSDear Customer,We are condent your new boiler will meet all your requirements.All BAXI products have been designed

20C607215 - GBINSTRUCTIONS FOR FITTERS16.5 SEPARATE VERTICAL FLUE INSTALLATION OPTIONSL max = 15 m911231_470117. ELECTRICAL CONNECTIONSis machine is

21C607215 - GBINSTRUCTIONS FOR FITTERS18. INSTALLING THE CLIMATE CONTROLLER 18.1 INSTALLING THE CLIMATE CONTROLLER ON THE FRONT PANEL OF THE BOILER

22C607215 - GBINSTRUCTIONS FOR FITTERSCONNECTING THE AMBIENT THERMOSTAT  

23C607215 - GBINSTRUCTIONS FOR FITTERSe authorised Technical Assistance Service can convert this boiler to natural gas (G. 20) or liquid gas (G.30, G

24C607215 - GBINSTRUCTIONS FOR FITTERS 240 i 240 Fi 280 i 280 Fi 320 Figas type G20 G30 G31 G20 G30 G31

25C607215 - GBINSTRUCTIONS FOR FITTERS20.1 ADVANCED INFORMATION AND SETTINGS MODETo enter the advanced information and settin

26C607215 - GBINSTRUCTIONS FOR FITTERSTable summarising the combination of the AMBON and MODUL functions AMBON MODUL BUTTON FUNCTIONS +/-

27C607215 - GBINSTRUCTIONS FOR FITTERS21. PARAMETERS SETTINGTo set the boiler parameters, proceed as follows: IP for at least three se

28C607215 - GBINSTRUCTIONS FOR FITTERSis boiler has been designed in full compliance with European reference standards and, in particular, it is tte

29C607215 - GBINSTRUCTIONS FOR FITTERS23. POSITIONING THE IGNITION AND FLAMESENSING ELECTRODEFigure 149912070100To measure combustion eciency and th

3C607215 - GBINSTRUCTIONS FOR USERSis boiler has been designed to heat water to a temperature lower than boiling point at atmospheric pressure. It mu

30C607215 - GBINSTRUCTIONS FOR FITTERSA high static head pump, suitable for installation on any type of single- or double-pipe heating system, is used

31C607215 - GBINSTRUCTIONS FOR FITTERS27. CONNECTING THE EXTERNAL PROBEe boiler is provided with the connection for an external probe supplied as an

32C607215 - GBINSTRUCTIONS FOR FITTERSK REG CurvesChart 3Tm = Delivery temperatureTe = External temperature 0710_18010710_1802T.e (°C)T.m (°C)T.

33C607215 - GBINSTRUCTIONS FOR FITTERSe contact for requesting the operation of the zones not controlled by

34C607215 - GBINSTRUCTIONS FOR FITTERSTo optimise boiler eciency, carry out the following annual controls: 

35C607215 - GBINSTRUCTIONS FOR FITTERS30. FUNCTIONAL CIRCUIT DIAGRAM 1 boiler 2 boiler probe 3 DHW exchanger 4 Expansion vessel 5 Boiler dra

36C607215 - GBINSTRUCTIONS FOR FITTERS 1 boiler 2 boiler probe 3 DHW exchanger 4 expansion vessel 5 Boiler drain tap 6 Central heating NT

37C607215 - GBINSTRUCTIONS FOR FITTERS31. WIRING DIAGRAM140 Fi  240 Fi  280 Fi  320 FiCable colours C = Light blueM = BrownN = BlackR = Red

38C607215 - GBINSTRUCTIONS FOR FITTERS240 i - 280 i0802_2511 / (CG_1938Cable colours C = Light blueM = BrownN = BlackR = RedG/V = Yellow/Gree

39C607215 - GBINSTRUCTIONS FOR FITTERS32. TECHNICAL DATAMODEL NUVOLA 3 COMFORT 240 i 280 i 140Fi 240 Fi 280 Fi 320 FiCategoryII2H3+ II2H3+ II2H3P II2

4C607215 - GBINSTRUCTIONS FOR USERS3. COMMISSIONING THE BOILERTo light the boiler correctly, proceed as follows:1) power the boiler2) open the gas

A BAXI

5C607215 - GBINSTRUCTIONS FOR USERS4 dierent boiler modulation levels are shown on the climate con-troller display during boiler operation, as indica

6C607215 - GBINSTRUCTIONS FOR USERS3.4 AMBIENT TEMPERATURE AND DHW TEMPERATURE ADJUSTMENTAdjust the ambient temperature ( ) and the DHW temperature (

7C607215 - GBINSTRUCTIONS FOR USERSTo set a single time band, proceed as follows:1) press IP and then ;2) select a day of the week (1 ... 7) by pr

8C607215 - GBINSTRUCTIONS FOR USERSSummary of available groups of days  “MO-FR”  Monday to Friday As per table in sectio

9C607215 - GBINSTRUCTIONS FOR USERS0802_25024. SPECIAL FUNCTIONS is function is used to set two dierent ambient temperature va