Baxi LUNA HT 1.120 Page 34 Installers And Users Instructions Download | Manualshive

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34

27.1 Illustrated wiring diagram LUNA HT 280 - HT 330

FAN

FUSES

SAFETY

THERMOST

AT

FLAME DETECTION

ELECTRODE

GAS

VAL

VE

IGNITER

IGNITION ELECTRODE

DOMESTIC HOT

W

ATER

TEMPERA

TURE SENSOR

THREE

W

AY

VAL

VE

PUMP

FLUE SENSOR

230

V

- 50Hz

QAA73 CONNECTION

ROOM

THERMOST

AT

SAFETY

SHUT

-DOWN

CONNECTION

OUTSIDE SENSOR

CONNECTION

CENTRAL

HEA

TING

TEMPERA

TURE SENSOR

HYDRAULIC DIFFERENTIAL

PRESSURE SWITCH

MAINS POWER

TERMINAL

BOARD

DHW

FLOW

SWITCH

0509_1403

230

V ROOM

TEMPERA

TURE

THERMOST

AT

PROGRAMMABLE

OUTPUT

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Summary of Contents for LUNA HT 1.120

Page 1: ...operated boilers oor standing boilers and electrical water heaters has obtained the CSQ certi cate of conformity to the UNI EN ISO 9001 norms This certi cate guarantees that the Quality System applied...

Page 2: ...ful information which will help you to run your boiler correctly and ef ciently Do not leave any parts of the packaging plastic bags polystyrene etc within children s reach as they are a potential sou...

Page 3: ...3 13 Fittings present in the packaging 14 14 Installation of ue and air ducts 14 15 Connecting the mains supply 18 16 Gas change modalities 24 17 Setting the boiler parameters 27 18 Control and operat...

Page 4: ...pre existing ue ducts thorough cleaning has been carried out in that residual combustion products may come off during operation of the boiler and obstruct the ue duct d to ensure correct operation of...

Page 5: ...tting key decrease value Program access and scroll key Program access and scroll keys Reset key Domestic hot water temperature setting key Central heating water temperature setting key Domestic hot wa...

Page 6: ...under the symbol 4 Reset key In case of a fault referred to in point 3 7 Faults and resetting the boiler the boiler can be restarted by pressing this key for at least two seconds If this key is presse...

Page 7: ...ys to access the programming function a press these keys until the display shows P11 referring to the program start time b press the keys to set the time press the key the display will show P12 referr...

Page 8: ...al heating temperature setting C Start of rst daily period of automatic central heating End of rst daily period of automatic central heating Start of second daily period of automatic central heating E...

Page 9: ...re press the reset key for about 2 seconds if the fault persists call the authorised service centre switch off the electricity supply to the boiler for 10 seconds if the fault persists call the author...

Page 10: ...e manometer 11 Figure 20 is 1 to 1 5 bar with boiler not operating In case of overpressure open the boiler drain valve In case the pressure is lower open the boiler lling tap Figure 5a or 5b We recomm...

Page 11: ...C when the system heating ow temperature drops below 5 C The frost protection function is enabled if electrical supply to the boiler is on the gas service cock is open the system pressure is as requir...

Page 12: ...stallation of the appliance and before its use 2 Heating circuit 2 1 new system Before proceeding with installation of the boiler the system must be cleaned and ushed out thoroughly to eliminate resid...

Page 13: ...dge and contaminants using suitable proprietary products as described in section 2 1 To avoid damaging metal plastic and rubber parts use only neutral cleaners i e non acid and non alkaline such as SE...

Page 14: ...er tap with lter 17 heating system delivery cock 19 heating system return cock 18 washers telescopic tubes screws and wall plugs 13 Fittings present in the packaging Figure 8a 020503_0200 LUNA HT 280...

Page 15: ...9 m L max 9 m 0002230400 This type of duct allows to disengage exhaust gases and to draw combustion air both outside the building and in case a LAS ue is tted The 90 coaxial bend allows to connect th...

Page 16: ...ses both outside the building and into single ue ducts Comburant air may be drawn in at a different site from where the ue terminal is located The splitting kit consists of a ue duct adaptor 100 80 an...

Page 17: ...ated horizontal ue terminals installation options IMPORTANT Ensure a minimum downward slope of 1 cm toward the outside per each metre of duct length Make sure that the exhaust and intake ducts are sec...

Page 18: ...mpliance with the applicable laws and regulations Connect the boiler to a 230V monophase ground power supply by means of the three pin cable supplied with it and make sure you connect polarities corre...

Page 19: ...instructions in the connecting a zone system section 15 2 Connecting the QAA73 temperature regulator The SIEMENS model QAA73 temperature regulator optional accessory must be connected to terminals 1...

Page 20: ...perature If it is deactivated the outdoor temperature sensor must be installed Automatic adaptation of the temperature curve kt in relation to the room temperature Opt Start Max Maximum time the boile...

Page 21: ...ot reached inside the premises for central heating b with QAA73 temperature regulator The temperature curve kt must be selected by setting parameter 70 HC1 gradient of the QAA73 temperature control de...

Page 22: ...oiler control panel in accordance with the instructions provided for the user in this manual b with QAA73 temperature control device The zone valve or pump relating to the room controlled by the QAA73...

Page 23: ...st removing the electrical heating element tted The sensor element of the NTC probe must be tted into the well provided on the water heater The domestic hot water temperature can be set and the timed...

Page 24: ...to reduce it b gas valve SIT model SIGMA 848 gure 14a turn the screw clockwise to reduce the concentration of CO2 and anticlockwise to increase it 2 calibration of the reduced heat output Check that...

Page 25: ...1 280 CO2 max heat output 8 7 10 CO2 min heat output 8 4 9 8 Gas nozzle 12 0 mm 12 0 mm Table 1a LUNA HT 330 Gas consumption at 15 C G20 2H 20 mbar G31 3P 37 mbar 1013 mbar PCI 34 02 MJ m3 46 3 MJ kg...

Page 26: ...e LUNA HT 1 280 Gas consumption at 15 C G20 2H 20 mbar G31 3P 37 mbar 1013 mbar PCI 34 02 MJ m3 46 3 MJ kg Consumption at max heat output 3 06 m3 h 2 25 kg h Consumption at min heat output 1 06 m3 h 0...

Page 27: ...tral heating circuit HC1 see Graph 1 Selection of temperature curve of central heating circuit HC2 see Graph 1 Selection of central heating power N of fan rpm Pump post circulation time in central hea...

Page 28: ...of the pump Supplementary running of the pump The electronically controlled supplementary running of the pump lasts 3 minutes when the boiler is in the central heating mode after the burner has switch...

Page 29: ...ents of the following combustion products temperature concentration of oxygen O2 or alternatively of carbon dioxyde CO2 concentration of carbon monoxyde CO The comburant air temperature must be measur...

Page 30: ...he 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...

Page 31: ...s lter remove the impurities Important in the event of replacements and or cleaning of the O rings on the hydraulic unit do not use oil or grease as lubricant but exclusively Molykote 111 To ensure th...

Page 32: ...pump and air separator 15 automatic air vent 16 plate type DHW heat exchanger 17 gas valve 18 ue water exchanger 19 ame detector electrode 20 main burner 21 ignition electrode 22 air gas mixture head...

Page 33: ...lief valve 13 boiler drain point 14 pump and air separator 15 automatic air vent 17 gas valve 18 ue water exchanger 19 ame detector electrode 20 main burner 21 ignition electrode 22 air gas mixture he...

Page 34: ...MESTIC HOT WATER TEMPERATURE SENSOR THREE WAY VALVE PUMP FLUE SENSOR 230 V 50Hz QAA73 CONNECTION ROOM THERMOSTAT SAFETY SHUT DOWN CONNECTION OUTSIDE SENSOR CONNECTION CENTRAL HEATING TEMPERATURE SENSO...

Page 35: ...GNITER IGNITION ELECTRODE THREE WAY VALVE PUMP FLUE SENSOR QAA73 CONNECTION ROOM THERMOSTAT SAFETY SHUT DOWN OUTSIDE SENSOR DOMESTIC HOT WATER THANK SENSOR CENTRAL HEATING TEMPERATURESENSOR HYDRAULIC...

Page 36: ...ssel capacity l 8 10 8 8 10 Expansion vessel pressure bar 0 5 0 5 0 5 0 5 0 5 DHW system max pressure bar 8 8 DHW system min dynamic pressure bar 0 2 0 2 DHW system min output l min 2 5 2 5 DHW produc...

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