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Baxi Luna 3 Avant 240 Fi, Instructions For The User And The Installer

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Baxi Luna 3 Avant 240 Fi Instructions For The User And The Installer Download Page 23

BAXI - 925.200.1

23

GB 

HU

CZ

INSTRUCTIONS PERTAINING TO THE INSTALLER

925.492.2

27. ELECTRICAL CONNECTIONS TO A ZONAL HEATING SYSTEM

27.1 CONNECTING THE RELAY BOARD

27.2 CONNECTING THE ZONES

The relay board is not a standard boiler component as it is supplied as an accessory. Connect terminals 1-2-3 (common 
- normally closed - normally open) of connector 

Cn1

 on the relay board to the respective terminals 10-9-8 on the boiler 

terminal board 

M2

 (fi gure 17).

0610_0401 /  CG_1840

BOILER BOARD

RELAY BOARD ACCESSORY

Figure 17

Figure 18

ZONE 1
 REMOTE CONTROL

ZONE 2
(AMBIENT THERMOSTAT)

ZONE 3
(AMBIENT THERMOSTAT)

ZONE N
(AMBIENT THERMOSTAT)

N

L

Zona 1

Elettrovalvola

M

M

T.A.

2

E.V.2

RE2

M

T.A.

3

E.V.3

RE3

M

T.A.

n

E.V.n

REn

10

9

8

7

6

5

4

3

2

1

C

N.O.

M2

M1

N.C.

1

2

0607_

2801 / CG_182

5

ZONE 1

Connect the contact relative to heating requests in zones that are not controlled by the remote control device in parallel to 
terminals 1-2 “TA” on terminal board M1.
Remove the jumper.
The zone controlled by the remote control device is managed by the zone 1 solenoid, as illustrated in fi gure 18.

RELAY 1

RELAY 2

SOLENOID 
ZONE 1

Summary of Contents for Luna 3 Avant 240 Fi

Page 1: ...Instructions for the User and the Installer GB HU CZ Felszerelési és használati utasítás Návod na použití pro uživatele a instalatéry Plynové závěsné kotle s vysokou účinností ...

Page 2: ...rvicing instructions 7 11 General information 8 12 Instructions prior to installation 8 13 Boiler installation 9 14 Boiler size 9 15 Installation of flue and air ducts 10 16 Connecting the mains supply 14 17 Fitting a room thermostat 15 18 Gas change modalities 15 19 Information display 17 20 Parameters setting 19 21 Control and operation devices 20 22 Positioning of the ignition and flame sensing...

Page 3: ...Heating circuit 2 1 new system Before proceeding with installation of the boiler the system must be cleaned and flushed out thoroughly to elimi nate residual thread cutting swarf solder and solvents if any using suitable proprietary products To avoid damag ing metal plastic and rubber parts use only neutral cleaners i e non acid and non alkaline The recommended products for cleaning are SENTINEL X...

Page 4: ...tely and that may cause a blockage of the boiler Under such circumstances we recommend you to repeat the ignition procedure until the gas is delivered to the burner and press button for at least 2 seconds If the optional remote control device is connected adjust the boiler using this device See the instructions accom panying this accessory item Figure 1 DISPLAY LEGEND Operating in Central Heating ...

Page 5: ...ICHOTWATER D H W TEMPERATUREADJUSTMENT The CH and D H W temperature adjustment are carried out by pressing the relative buttons figure 1 When the burner is lighted the display shows the symbol CENTRAL HEATING CH The system must be equipped with a room thermostat see the relevant regulations to control the temperature in the rooms During a CH mode the display shows a CH blinking symbol and the CH f...

Page 6: ...be effected by a Qualified Service Engineer 8 PROLONGED STANDSTILL OF THE SYSTEM FROST PROTECTION We recommend you avoid draining the whole system as water replacements engender purposeless and harmful limestone deposits inside the boiler and on the heating elements In case the boiler is not operated during wintertime and is therefore exposed to danger of frost we suggest you add some specific pur...

Page 7: ...essure LOW Check that the pressure in the system is as specified See Section 5 If this fault persist call an authorised Service cen tre E11 Safety thermostat for low temperature system cuts in if connected Call an authorised Service centre E25 Boiler max temperature exceeded probable pump jammed Call an authorized Service centre E35 Fault flame parasitic flame Press the button figure 1 for at leas...

Page 8: ... conformity with the laws and regulations in force c careful checking that in case the flue has been connected to pre existing flue ducts thorough cleaning has been car ried out in that residual combustion products may come off during operation of the boiler and obstruct the flue duct To ensure correct operation of the appliance and avoid invalidating the guarantee observe the following precaution...

Page 9: ...hout draining it completely If you are either installing the boiler on a pre existent system or substituting it we suggest you also fit settling tank on the system return pipework and under the boiler to collect the deposits and scaling which may remain and be circulated in the system after the purge When the boiler is fixed on the template connect the flue and air ducts fittings supplied by the m...

Page 10: ...st gases and to draw combustion air both outside the building and in case a LAS flue is fitted The 90 coaxial bend allows to connect the boiler to a flue air duct in any direction as it can rotate by 360 It can more ver be used as a supplementary bend and be coupled with a coaxial duct or a 45 bend If the flue outlet is placed outside the flue air ducting must protrude at least 18mm out of the wal...

Page 11: ... of a flue duct adaptor 100 80 and of an air duct adaptor For the air duct adaptor fit the screws and seals previously removed from the cap The flue duct must not fall and all horizontal runs must always rise at approximately 3 from the boiler Consideration for protection to exposed parts of the outlet duct where accidental touch may occur must be given Calculation of the total equivalent length T...

Page 12: ...the plate There is a restrictor plate supplied in the kit with the gas boiler This restrictor is used either way up depending upon model of boiler see figure 9 IMPORTANT The restrictor MUST be positioned as shown in the diagrams below Take one of the gaskets supplied in the kit and place on the boiler top panel Align the appropriate restrictor as shown Position the second gasket over the restricto...

Page 13: ...d towards the boiler NB For C52 types terminals for combustion air suction and combustion product extraction must never be fitted on op posite walls of the building The maximum length of the suction duct must be 10 metres If the flue duct exceeds 6 m the condensate collection kit supplied as an accessory must be fitted close to the boiler 15 6 SEPARATED VERTICAL FLUE TERMINALS INSTALLATION OPTIONS...

Page 14: ...tch with a contact separation of at least 3mm in both poles In case you replace the power supply cable fit a HAR H05 VV F 3x0 75mm2 cable with an 8mm diameter max Access to the power supply terminal block isolate the electrical supply to the boiler by the double pole switch unscrew the two screws securing the control board to the boiler rotate the control board unscrew the lid and gain access to t...

Page 15: ...sibly water operated manometer to the gas valve pressure test point Pb Figure 11 connect for sealed chamber models only the negative pressure test point of the manometer to a T fitting in order to join the boiler adjusting outlet the gas valve adjusting outlet Pc and the manometer The same measurement can be carried out by connecting the manometer to the pressure test point Pb after removing the s...

Page 16: ...able of burner pressures heat output burner injectors 240 Fi 310 Fi Gas used G20 G31 G20 G31 Burner pressure mbar MINIMUM HEAT OUTPUT 2 0 4 4 12 1 32 3 Burner pressure mbar MAXIMUM HEAT OUTPUT 10 2 21 8 2 1 5 2 Injector diameter mm 1 18 0 77 1 25 0 77 no of injectors 15 Table 1 Consumption 15 C 1013 mbar 240 Fi 310 Fi G20 G31 G20 G31 Maximum heat output 2 62 m3 h 1 92 Kg h 3 22 m3 h 2 37 Kg h Mini...

Page 17: ...rmation 5 Type of boiler and gas used eg The displayed letters mean the following natural boiler chamber natural gas METANE 6 Hydraulic system 7 Software version two numbers x x open the gas cock press the button for at least two seconds to set the operating boiler mode see section 3 2 19 2 OPERATION INFORMATION To display some useful information during the boiler operation proceed as follows Pres...

Page 18: ... 8 100 Note lines A08 and A09 are not used This function is active for 3 minutes To exit the function press button as described in section 3 2 19 3 ANOMALIES DISPLAY Note the resetting operation is available only for 5 consecutive attempts after which the RESET function is disabled and the gas boiler remains blocked To carry out a new RESET attempt proceed as follows press the button for at least ...

Page 19: ...2 setting 13 cool function for external air conditioning system See SERVICE Instructions 04 F06 External sensor programmable input setting See SERVICE Instructions 00 F07 F12 Manufacturer information 00 F13 CH max heating output 0 100 100 F14 D H W max heating output 0 100 100 F15 CH min heating output 0 100 00 F16 Maximum temperature setpoint setting 00 85 C 01 45 C 00 F17 Pump overrun time 01 24...

Page 20: ...ary running of the pump lasts 3 minutes F17 Section 20 when the boiler is in the central heating mode after the burner has switched off due to a room thermostat or intervention Pump overrun for domestic hot water circuit The electronic control system keeps the pump operating for 30 seconds in domestic hot water mode after the D H W sensor has switched off the burner Frost protection device central...

Page 21: ...entration The combustion air temperature must be measured at the connection point on the air intake circuit inserting the measur ement probe to a depth of about 3 cm For natural draught boiler models a hole must be made in the flue gas discharge pipe at a distance from the boiler equal to twice the inside diameter of the pipe itself The following parameters can be measured through this hole temper...

Page 22: ...low temperature TM depends on the F16 parameter setting see sec tion 20 The maximum flow temperature it may 85 or 45 C Figure 15 CN 5 Graph 2 TM flow temperature C Te external temperature C 5 0 3 0 _ 3 0 6 0 6 0 3 0 _ 3 0 6 0 Graph 3 26 ELECTRICAL CONNECTIONS TO REMOTE CONTROL DEVICE 0610_1302 CG_1856 CN 7 Figure 16 SUPPLIED AS AN ACCESSORY The remote control device is not a standard boiler compon...

Page 23: ...610_0401 CG_1840 BOILER BOARD RELAY BOARD ACCESSORY Figure 17 Figure 18 ZONE 1 REMOTE CONTROL ZONE 2 AMBIENT THERMOSTAT ZONE 3 AMBIENT THERMOSTAT ZONE N AMBIENT THERMOSTAT N L Zona 1 Elettrovalvola M M T A 2 E V 2 RE2 M T A 3 E V 3 RE3 M T A n E V n REn 10 9 8 7 6 5 4 3 2 1 C N O M2 M1 N C 1 2 0607_2801 CG_1825 ZONE 1 Connect the contact relative to heating requests in zones that are not controlle...

Page 24: ...stem To purge the exchanger and or the DHW system we suggest the use of Cillit FFW AL or Beckinser HF AL 29 HOW TO DISASSEMBLE THE DHW HEAT EXCHANGER The stainless steel plate type DHW heat exchanger is easily disassembled with a screwdriver by operating as described below drain if possible only the boiler system through the drain tap drain the DHW system from water remove the two screws right in ...

Page 25: ...Flue hood 15 Fan 16 Positive pressure point 17 Air pressure switch 18 Fue thermostat 19 Fue adaptor 20 Secondary heat exchanger 21 Flame sensing electrode 22 Burner 23 D H W plate heat exchanger 24 Automatic air vent 25 Pump and air separator 26 System filling cock 27 Boiler drain point 28 Pressure manometer 29 Pressure relief valve 30 Siphon 31 Cold water inlet on off valve and filter 32 Gas serv...

Page 26: ...R E W O P D I R G SA T E F Y R E H T M T S O AT N O I T I N G I E D O R T C E L E 3 W Y A VA E V L R T N E C AL E H A G N I T C T N R O S N E S W O L F E R U S S E R P H C T I W S O O R M R E H T M T S O AT L F M A E G N I S N E S E D O R T C E L E WA R E T E R U S S E R P H C T I W S W H D T I R O I R P Y R O S N E S P M U P W H D C T N R O S N E S E V L A V S A G A C B C S E L OL R U O S C e u l...

Page 27: ...output 8 8 DHW production at T 25 C 0 5 0 2 2 5 13 7 DHW production at T 35 C Specific output D l min l min l min l min Type C12 C32 C42 C52 C82 B22 Concentric flue duct diameter 9 8 Concentric air duct diameter 10 5 30 85 35 65 Max flue mass flow rate G20 kg s 60 Min flue mass flow rate G20 kg s kg 100 Max flue temperature C C C C 0 014 0 014 Min flue temperature NOx Classe 68 Type of gas used 75...

Page 28: ...BAXI 925 200 1 28 GB HU CZ INSTRUCTIONS PERTAINING TO THE USER 925 492 2 ...

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