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Baxi LUNA HT 1.280, Installation, Operation And Maintenance Manual

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Baxi LUNA HT 1.280 Installation, Operation And Maintenance Manual Download Page 134

9.9    Clean fan

Dismounting the burner

1. Remove burner (see section 

Installing and removing burner

)

Fig. 41: Remove fan

1

2

3

4

2. Remove nuts with washers and release the fan (3) with seal (2) from burner co-

ver (1)

3. Remove screws and release venturi pipe, incl. gas valve (5) with seal (4) from

fan

4. Clean fan with compressed air

5. Reassemble burner in the opposite sequence

Note: Use new seals when reassembling the burner.

6. Reinstall burner (see section 

Installing and removing burner

)

9.10    Control and regulating

centre LMS

Description of function

Control and monitoring of the burner with control and regulating centre LMS, with

ionisation electrode.

Automatic start according to programme with monitoring of flame forming. The

sequence itself may be varied via parameters.

Maintenance

134

358 436 08.10

Summary of Contents for LUNA HT 1.280

Page 1: ...Installation operation and maintenance manual Condensing gas boiler Power HT 1 230 1 280 1 320...

Page 2: ...circuit water 17 4 5 Notes for installation location 18 4 6 Space requirement 19 4 7 Transportation 20 4 8 Application examples 22 4 9 Legend 31 5 Installation 32 5 1 Connect heating circuit 32 5 2 C...

Page 3: ...g table 74 9 Maintenance 124 9 1 Inspection and need dependent service 124 9 2 Boiler view 125 9 3 Disassembling and installing burner 127 9 4 Check and replacing Ignition electrode 129 9 5 Check and...

Page 4: ...Handbook Extended informations Usage according to purpose Technical data circuit diagram Regulations standards CE Notes for installation location Application example Standard application Commissioning...

Page 5: ...nd life Caution If warning is not observed danger exists for environment and the device Note tip Here you can find background information and useful tips Reference to additional information in other d...

Page 6: ...nents All electrical work in connection with the installation must only be carried out by a trained electrician Danger Danger to life if heating unit used improperly This device is not intended to be...

Page 7: ...Industrial Gas Fired Boilers and Air Heaters IGE UP 1 Soundness Testing and Purging Procedure for Non Domestic Installa tions IGE UP 2 Gas Installation Pipe work Boosters and Compressors for Industri...

Page 8: ...2 6 Conformity declaration Safety 8 358 436 08 10...

Page 9: ...mensions and connections Technical Data 358 436 08 10 9 DN 65 692 1389 200 60 69 93 302 83 200 193 302 417 626 1139 flow gas DN 65 A B 163 303 389 return Model Power HT 1 230 Power HT 1 280 Power HT 1...

Page 10: ...Technical Data 10 358 436 08 10...

Page 11: ...60 C C 57 61 57 61 57 61 50 30 C C 30 37 30 38 30 38 w Natural gas 80 60 C g s 15 9 97 6 19 1 118 1 21 8 136 2 50 30 C g s 14 6 90 5 17 5 109 4 20 0 126 1 LPG 80 60 C g s 20 7 62 6 25 0 112 0 25 0 129...

Page 12: ...Technical Data 12 358 436 08 10...

Page 13: ...3 3 Wiring Diagram Fig 2 Wiring Diagram Technical Data 358 436 08 10 13...

Page 14: ...2 15 1508 20 1224 25 1000 30 823 Tab 4 Resistance values for flow sensor KVS drinking water sensor TWF re turn sensor KRV sensor B4 Temperature C Resistance 0 32555 5 25339 10 19873 15 15699 20 12488...

Page 15: ...d supply air connection Exhaust and supply air connection can be converted to adapt to the local conditi ons of the installation room Converting the exhaust connection In the following picture the con...

Page 16: ...er plate 2 3 Remove the intake pipe leading upward from the intake pipe elbow 6 4 Turn intake pipe elbow 6 into the side position 5 Mount lower rear wall 5 6 Close top supply air opening acc to Fig 3...

Page 17: ...t be treated This depends on the total water hardness system volume and the size of the boiler If in a special case a need exists to use additives in a mixture e g hardness stabil ser frost protecion...

Page 18: ...d exist in the front to carry out in spection and maintenance work Caution Danger of damaging the device Aggressive foreign substances in the combustion supply air can destroy or damage the heat gener...

Page 19: ...nt Fig 5 Recommended space requirement Before installation 358 436 08 10 19 B A C C D Power HT 1 230 Power HT 1 280 Power HT 1 320 Dimensions A 80 cm 90 cm 100 cm Dimensions B 50 cm Dimensions C 50 cm...

Page 20: ...he transport of the boiler to installation location manually push 2 sufficiently large steel pipes 1 not included through the carrying fixture Fig 6 Pos 2 so that the boiler can be lifted and transpor...

Page 21: ...Before installation 358 436 08 10 21...

Page 22: ...4 8 Application examples Application example 1 EC three with one pumped circuit and DHW preparation Hydraulic plan Before installation 22 358 436 08 10...

Page 23: ...Wiring plan Before installation 358 436 08 10 23...

Page 24: ...Application example 2 SEC three with one mixing heating circuit and DHW preparation Hydraulic plan Before installation 24 358 436 08 10...

Page 25: ...Wiring plan Before installation 358 436 08 10 25...

Page 26: ...Application example 3 EC three with three mixed circuits and DHW preparation Hydraulic plan Before installation 26 358 436 08 10...

Page 27: ...Wiring plan Before installation 358 436 08 10 27...

Page 28: ...Application example 4 Cascade with two EC three three mixed circuits hydraulic bypass and DHW preparation Hydraulic plan Before installation 28 358 436 08 10...

Page 29: ...Wiring plan right EC three Before installation 358 436 08 10 29...

Page 30: ...Wiring plan left EC three Before installation 30 358 436 08 10...

Page 31: ...4 9 Legend Before installation 358 436 08 10 31...

Page 32: ...er HT must be inserted through the opening in the rear or side wall If there is no drain underneath the condensate discharge the use of a suitable neutralisation plant and pump is necessary 5 3 Sealin...

Page 33: ...Air Act 1993 the current Building Regulations must also be strictly observed The boiler should be installed in accordance with BS6644 with respect to protec ting the boiler from damage air for combus...

Page 34: ...content 5 8 CO2 Content The CO2content in the exhaust gas must be checked during commissioning and during regular maintenance of the boiler as well as after reconstruction work on the boiler or on th...

Page 35: ...0 35 Function Power HT 1 230 Power HT 1 280 Power HT 1 320 Boiler 2331 S 35 48 42 58 48 58 Nominal output prepurging 9504 S 77 1 89 3 97 7 110 3 103 9 115 5 Nominal output ignition 9512 S 77 1 89 3 97...

Page 36: ...as reached the basic display again 3 Press information button The message Controller stop setpoint adjust appears in the display The actu al modulation degree will be displayed on the display 4 Press...

Page 37: ...e CO 2 content is decreased Counter clockwise CO 2 content is increased 4 Replace safety cap on the adjusting screw for full load 2 Set CO2 content at min output 1 Power HT in the controller stop mode...

Page 38: ...a contact opening width of at least 3 mm All connected components must comply to VDE Connecting lines have to be in stalled strain relieved Cable lengths Bus sensor cables do not carry mains voltage b...

Page 39: ...erature sensor is located in the accessory bag For connection see wiring plan Replacing cables All connecting cables apart from the mains cable must be replaced when necessa ry withBAXI special cables...

Page 40: ...between 1 0 and 2 5 bar Less than 0 5 bar Top up water Caution The maximum admissable installation pressure has to be considered Over 6 0 bar Do not start gas condensing boiler drain water Caution The...

Page 41: ...f the boiler and the function of the safety devices The following should be pointed out the air inlet must not be restricted flammable materials and liquids must not be stored in the vicinity of the g...

Page 42: ...8 OK button acknowledgment 2 Reset button 9 Information button 3 Reset safety temperature limiter STB 10 Rotating knob 4 Blanking plate 11 Chimney sweep button 5 Operator section ISR 12 ESC button 6...

Page 43: ...ating operation will be carried out with the operating button Heating operation The selected setting will be mark ed with a bar underneath the operating mode symbol Boiler temp Automatic operation Aut...

Page 44: ...ting limit is not activated DHW operation according to status 7 4 Setting up DHW operation Setting up DHW operation Boiler temp Switched on DHW will be prepared according to the selected switching pro...

Page 45: ...6 Display information Various temperatures and messages can be called up by pushing the information button Including Room and outside temperature if sensor fitted Fault or service messages Note When...

Page 46: ...e Setpoint manual control All pumps will be activated Ad ditional request will be ignored 1 Press OK button 2 Select menu point Maintenance service 3 Press OK button 4 Select parameters Manual control...

Page 47: ...levels and is protected by a password Menu points Time and date Operator section Radio Time prog heating circuit 1 Time prog heating circuit 2 Time program 3 HC3 Time program 4 DHW Time program 5 Hol...

Page 48: ...ing by the setting of time and date Basic display Boiler temperature Press Select with the menu point time and date Time and date Operator section Acknowledge selection with Select with the menu point...

Page 49: ...ation mode button to return to the basic display Boiler temperature The previous menu point will be called up by pressing the ESC button without ta king over previously modified values If no settings...

Page 50: ...n This parameter is only visible in the room device Language 20 Eu English Info Temporarily Permanently 22 E Temporarily Display of errors Code Code and text 23 E Code and text Contrast of display 25...

Page 51: ...ery Delete device 134 C missing Operator unit 1 Missing Ready No reception Change battery Delete device 135 C missing Operator unit 2 Missing Ready No reception Change battery Delete device 136 C miss...

Page 52: ...Time program 4 DHW Pre selection Mo Su Mo Su Mo Fr Sa Su Mo Tu We Th Fr Sa Su 560 Eu Mo Su 1st phase on 561 Eu 05 00 h min 1st phase off 562 Eu 22 00 h min 2nd phase on 563 Eu h min 2nd phase off 564...

Page 53: ...ting circuit 1 Protection Automatic Reduced Comfort 700 Eu Automatic Comfort setpoint 710 Eu 20 0 C Reduced setpoint 712 Eu 16 0 C Frost protection setpoint 714 Eu 10 0 C Heating curve slope 720 Eu 1...

Page 54: ...speed min 882 C 0 Pump speed max 883 C 100 Curve readj at 50 speed 888 E 33 Flow setp readj speed ctrl No Yes 890 E Yes Operating level changeover Frost protection Reduced Comfort 898 E Reduced Optg...

Page 55: ...nually 1151 E 25 C Floor curing setp current 1155 E 0 Floor curing day current 1156 E 0 Excess heat draw Off Heating mode Always 1161 E Always With buffer storage tank No Yes 1170 E Yes With prim cont...

Page 56: ...end 1401 E 15 C Continuous pump operation No Yes 1409 E No Overtemp prot pump circuit Off On 1420 E ON Mixing valve boost 1430 E 5 C Actuator running time 1434 E 120 s Floor curing function Off Functi...

Page 57: ...riday Saturday Sun day 1642 F Monday Legionella funct time 1644 F Legionella funct setpoint 1645 F 65 C Legionella funct duration 1646 F 30 min Legionella function circ pump Off On 1647 F ON Circulati...

Page 58: ...Yes Primary contr system pump Flow temp setpoint min 2110 F 8 C Flow temp setpoint max 2111 F 80 C Syst pump on heat gen lock Off On 2121 F Off Mixing valve boost 2130 F 10 C Actuator running time 213...

Page 59: ...s Switching diff on HCs 2454 E 4 C Switching diff off min HCs 2455 E 5 C Switching diff off max HCs 2456 E 7 C Switching diff on DHW 2460 E 5 C Switching diff off min DHW 2461 E 6 C Switching diff off...

Page 60: ...or start function Off 3833 E 19 00 h min Collector start funct grad 3834 E min C Collector frost protection 3840 E C Collector overtemp prot 3850 E C Evaporation heat carrier 3860 E Antifreeze None Et...

Page 61: ...n hydraulic system Charge push forward time 5011 E 01 00 min Flow setpoint boost 5020 E 18 C Transfer boost 5021 E 10 C Type of charging Recharging Full charging Full charging legio Full charg 1st tim...

Page 62: ...s Full charging with B36 No Yes 5146 E Yes Min start temp diff Q33 5148 E 3 C Excess interm circ temp del 5151 E 30 s Configuration Heating circuit 1 Off On 5710 C ON Heating circuit 2 Off On 5715 C...

Page 63: ...or sensor B6 DHW circulation sensor B39 Buffer sensor B4 Buffer sensor B41 Common flow sensor B10 Solid fuel boiler sensor B22 DHW charging sensor B36 Buffer sensor B42 Common return sensor B73 Cascad...

Page 64: ...t discharge Release swi pool solar Operating level DHW Operating level HC1 Operating le vel HC2 Operating level HC3 Room thermostat HC1 Room ther mostat HC2 Room thermostat HC3 DHW thermostat Pulse co...

Page 65: ...st VK1 Consumer requ est VK2 Consumer request VK3 Excess heat discharge Release swi pool solar Operating level DHW Operating level HC1 Operating level HC2 Operating level HC3 Room thermostat HC1 Room...

Page 66: ...12 E Check no heat source 2 6213 E Check no storage tank 6215 E Check no heating circuits 6217 E Software version 6220 E LPB system Device address 6600 C 0 Bus power supply function Off Automatic 6604...

Page 67: ...diagnostic code 2 Burner control phase 2 6815 E History 3 Date Time Error code 6820 E SW diagnostic code 3 Burner control phase 3 6825 E History 20 Date Time Error code 20 6990 E SW diagnostic code 2...

Page 68: ...put QX2 Relay output QX3 Relay output QX21 module 1 Relay output QX22 modu le 1 Relay output QX23 module 1 Relay output QX21 module 2 Re lay output QX22 module 2 Relay output QX23 module 2 Relay out p...

Page 69: ...e source 1 Missing Faulty Manual control active Heat generation lock active Chimney sweep funct active Temporarily unavailable Outside temp limit active Not released Released 8100 C Priority state sou...

Page 70: ...state source 1 prog no 8100 8128 C Priority state source 16 Parameters see Priority state source 1 prog no 8100 8130 C Cascade flow temp 8138 C Cascade flow temp setp 8139 C Cascade return temp 8140...

Page 71: ...iler 8570 C Diagnostics consumers Outside temperature 8700 Eu Outside temperature minimum 8701 Eu Outside temperature maximum 8702 Eu Outside temp attenuated 8703 E Outside temp composite 8704 E Heati...

Page 72: ...m circ pump 8826 E DHW temp 1 8830 C DHW temp setpoint 8831 C DHW temp actual value bottom B31 8832 C DHW circulation temp 8835 E DHW charging temp 8836 E Flow temp setpoint Consumer circuit1 8875 C F...

Page 73: ...odule 3 Off On 9058 C Burner control Prepurge time 9500 E 10 s Nominal output prepurging 9504 E 0 kW Nominal output ignition load 9512 E 0 kW Nominal output Partial load 9524 E 0 kW Nominal output ful...

Page 74: ...me will be set under program number 6 The time changing will be car ried out on the Sunday following the set date Operator section Language 20 The language of the menu guidance can be modified under p...

Page 75: ...s setting is provided for the pure operation without room functions and is not needed in connection with this controller service unit this setting is used for example to secure or save control setting...

Page 76: ...s will automatically be ta ken over for all 3 on off phases in this day group Heating phases 501 to 506 521 to 526 541 to 546 561 to 566 601 to 606 Up to three heating phases may be set per heating ci...

Page 77: ...om temperature during the frost protection operation Without room sensor or with the room influence prog no 750 1050 1350 this value is used for calculation of the flow temperature to theoretically re...

Page 78: ...radient becomes obsolete For automatic adaptation of the heating curve a room sensor must be connected The value for room influence see prog no 750 1050 1350 must be set between 1 and 99 Should there...

Page 79: ...uous comfort temperature and continuous reduced temperature this function is not activated Flow temp setpoint limitati ons Minimum 740 1040 1340 Maximum 741 1041 1341 With this function a range can be...

Page 80: ...etc the higher the value can be set and the room tempera ture is taken into consideration even more Caution Open radiator valves Should there be radiator valves in the leading room assembly location o...

Page 81: ...otection mode During the quick setback the heating circuit pump is turned off and the mixing valve is also closed during mixing circuits During the quick setback no heat requi rement is sent to the he...

Page 82: ...room unit With a room unit the conversion of the operating level compared to the programmed time point is moved forward so that the buil ding dynamics heat up and cool down time is considered In this...

Page 83: ...ating circuit pump boiler pump can be switched off by quick setback or reaching the room set point Yes the heating circuit pump boiler pump remains switched on even during the quick setback and after...

Page 84: ...Ch X Starting day Fh Functional heating Ch Curing heating Important The respective regulations and standards of the screed manufacturer have to be observed A correct function is only possible with a c...

Page 85: ...ting level With this option the speed of the heating circuit pump is calcula ted acc to the operating level The pump is controlled in operating level comfort incl optimization or during active floor c...

Page 86: ...ill be continuously controlled to the nominal drinking water temperature value independent from the time switching pro grammes Time programs HCs The DHW temperature will be switched over between the n...

Page 87: ...ll be activated on a certain weekday prog no 1642 Legionella funct periodically 1641 Setting the interval for the legionella function periodically recommended setting in case of additional drinking wa...

Page 88: ...s am F hler w hrend der eingestellten Verweildauer Prog Nr 1646 eingehalten werden Die Einstellung des Zirkulationssollwerts wird nach oben vom Nennsollwert begrenzt Optg mode changeover 1680 Using ex...

Page 89: ...100 C0004840 TVmax TVmin TVw TVmax Flow temp setpoint max TVmin Flow temp setpoint min TVw Current Flow temp setpoint Syst pump on heat gen lock 2121 This parameter can set whether during active heat...

Page 90: ...after DHW mode 2253 The delay times of the pumps are controlled according to heating mode or drin king water mode Boiler pump at heat generati on lock 2301 Stop of boiler pump in case of activated he...

Page 91: ...speed During high boiler output the boiler pump should run on high speed Pump speed min 2322 For the modulating pump the working range can be defined in percent of output The control translates the p...

Page 92: ...se of the firing automation by the controller this remains on the set output for a specified time Only after this time has elap sed is the modulation released Prog no 2450 is used to set at which oper...

Page 93: ...r Early on late off additional boiler is switched on as early as possible output range min and back off as late as possible output range min I e boiler in ope ration as much as possible or as long as...

Page 94: ...erence between the flow and return sensor is smaller than the minimal temperature spread set here a source is switched off as early as possible independently of the set lead strate gy If the temperatu...

Page 95: ...3822 For several combined exchangers in the system the loading sequence for the combined storage tank can be defined by setting the loading priority None each storage tank is loaded alternately for a...

Page 96: ...ircuit the operation of the secondary pump of the heat exchanger can be delayed Collector start function 3830 If the temperature at the collector with the pump turned off not be measured correctly e g...

Page 97: ...ement Pulse valency 3887 Defines the flow per pulse for the H4 inlet The H4 inlet must be configured to pulse count for this Solid fuel boiler Locks other heat sources 4102 Locks other heat sources 41...

Page 98: ...rative tem perature Setpoint min The value set in prog no 4110 is used as comparative temperature Pump after run time 4140 Pump after run time 4140 Setting pump after run time Buffer storage Auto gene...

Page 99: ...Recooling collector 4757 Recooling with a too high buffer storage tank temperature by transmission of energy to the environment via the collector area Off recooling is switched off Summer the recoolin...

Page 100: ...ff Heating Mode The full charging is active if the automatic heat source block blocks the heat source during valid heat request based on the buffer temperatu re If the buffer storage tank reaches the...

Page 101: ...g is started The DHW charging is ended if the temperature of the current setpoint is reached At the first DHW release of the day a forced charging is performed The DHW charging is also started if the...

Page 102: ...e 5061 24h day Permanent release of the electric insert DHW release Release of the electric insert depending on DHW release see prog no 1620 Time programme 4 Release of the electric insert via the tim...

Page 103: ...e Tv determines how long a spontaneous change of the con trol difference continues to have an effect A short time only influences the con trol variable only for a short time Transfer strategy 5130 The...

Page 104: ...cuit pump Configuration Heating circuit 1 2 5710 5715 The heating circuits can be switched on or off by this setting The parameters for the heating circuits are hidden in the switched off state This a...

Page 105: ...and heating circuit 1 however not for heating circuits 2 and 3 or for the external consumer circuit All requests the diverting valve is connected hydraulically for all requests and switches between DH...

Page 106: ...r cir cuit for connection to a solid fuel boiler Time program 5 K13 The relay will be controlled by the time program 5 accor ding to the settings Buffer return valve Y15 This valve must be configured...

Page 107: ...buffer storage tank sensor Buffer st tank sensor B41 centre buffer sensor Flue gas temp sensor B8 Flue gas temp sensor for the alarmfunction Common flow sensor B10 common flow sensor for boiler casca...

Page 108: ...oom thermostat request can be gene rated for the set heating circuit DHW thermostat Connection of the DHW thermostat Pulse count By querying the input the low frequency pulse e g for flow measu rement...

Page 109: ...menu point Solar Primary contr system pump For this usage the respective settings can be adjus ted in the menu point Primary contr system pump Relay output QX21 QX23 6030 6038 Relay outputs for the mo...

Page 110: ...ted Heating circuit pump HC2 Q6 the heat circuit pump HC2 will be activated Heating circuit pump HC3 Q20 the heat circuit pump HC3 will be activated Collector pump Q5 a circulation pump for the collec...

Page 111: ...rature is between 5 C and 1 5 C the pump will be activated every 6 hours for 10 minutes When rea ching the upper limit of 1 5 C the pump will be switched off Saving sensors 6200 Sensor statuses can be...

Page 112: ...Charging pump solar connection Heat gen shutoff valve 13 Diverting valve 14 Diverting valve solar connection 16 Primary control without exchanger 17 Primary control 1 exchanger 19 Intermediate circui...

Page 113: ...e transmitted via LPB to be suppres sed on connected operating elements Alarm delay 6612 Settling out of the alarm on the BM module can be delayed in the base device by an adjustable time This allows...

Page 114: ...ltaneously the system time is adapted since the change is done by the mas ter The time of the controller is then continually adapted to the system time Master The time of day can be modified at the co...

Page 115: ...n for display and reset of the burner ionisation current service alarm The service alarm can only be reset if the reason for service is taken care of Chimney sweep function 7130 The chimney sweep func...

Page 116: ...occurs PStick progress 7253 The read or write progress is displayed as a percentage If no operation is active or an error shows up 0 is displayed State PStick 7254 No stick The LMS control detected no...

Page 117: ...p prot active Restricted boiler protection Restricted DHW priority Restricted buffer Forced draw Forced draw DHW Forced draw source Overrun active Comfort heating mode Opt start ctrl boost heating Opt...

Page 118: ...d max charging temp Forced legionella setp Forced nominal setp Charg el imm heater El charging legionella setp El charging nominal setp El charging reduced setp El charging frost prot setp El imm heat...

Page 119: ...ode Min limitation active Min limitation Min limitation part load Min limitation active In operation Protective start Protective start part load Return limitation Return limitation part load Charging...

Page 120: ...prot active Overtemp prot active Overtemp prot active Max charging temp reached Max charging temp reached Charging DHW buffer swi pool Charging DHW buffer swi pool Charging DHW buffer Charging DHW buf...

Page 121: ...p for HC In operation for DHW In operation for DHW In part load op for DHW In part load op for DHW In op for HC DHW In op for HC DHW In part load op for HC DHW In part load op for HC DHW Overrun activ...

Page 122: ...arged forced temp Charged required temp Part charged required temp Charged min charging temp Cold Cold No request No request The following messages are possible under swimming pool End user E Commissi...

Page 123: ...eter must only be changed by a heating specialist Conversion fan output speed increase 9626 Conversion fan output speed Y section 9627 With this parameter the rotational speed of the fan can be adjust...

Page 124: ...viced Clean burner areas and heating surfaces Replace wear parts see Spare parts list Caution Only original spare parts must be used Check connection and seal locations of water filled parts Check saf...

Page 125: ...10 125 flue gas connection Ignition transformer below the control unit Ignition electrodes Venturi tube Silencer Gas valve Syphon boiler control lms ionization electrode sight glass below the control...

Page 126: ...Fig 30 Boiler view Maintenance 126 358 436 08 10 gas connection supply air conntection heating return heating flow...

Page 127: ...nsing boiler 3 Release ignition cable ionisation line and earthing cable 4 Disconnect connection lines from fan and gas valve Fig 31 Loosen screws on the exhaust silencer 2 1 C0004594 5 Remove screws...

Page 128: ...0 7 Remove nuts and washers and pull out the entire burner 5 with burner seal 6 forwards Installing burner The installation of the burner is done in the opposite sequence Note Use new seals when insta...

Page 129: ...ler must be shut off and it must be secured from accidentally being switched back on Fig 34 Remove ignition electrode block 2 1 1 Loosen ignition cable 2 Remove nuts and pull out the ignition electrod...

Page 130: ...electric shock Do not touch plug contacts during the ignition process Changing the ionisation electrode Danger of electric shock Before performing service work power to the boiler must be shut off and...

Page 131: ...urner see section Installing and removing burner Fig 37 Dismantle burner pipe C0004611 1 2 2 Remove screws and remove burner pipe 1 with the burner pipe seal 2 3 Clean the burner pipe with compressed...

Page 132: ...he cover of the exhaust collection pan 1 2 C0004618 2 Remove screws and remove cover 1 of the exhaust collection pan with seal 2 Fig 39 Heat exchanger 3 C0004619 3 Clean heat exchanger 3 with a brush...

Page 133: ...hon 4 and clean 6 Clean siphon 7 Reinstall siphon 8 Replace the cover of the exhaust collection pan Note Use a new seal when installing the cover 9 Reinstall burner see section Installing and removing...

Page 134: ...n with compressed air 5 Reassemble burner in the opposite sequence Note Use new seals when reassembling the burner 6 Reinstall burner see section Installing and removing burner 9 10 Control and regula...

Page 135: ...he dis play on the operating panel points out the cause of the disturbance see section 9 12 Fault code table Burner does not start no voltage at the control and regulating centre no Burner ON signal f...

Page 136: ...nsor fault Check connection inform heating specialist1 54 Flow temperature DHW sensor fault 57 Drinking water circulation temperature sensor fault 60 Room temperature 1 sensor fault 65 Room temperatur...

Page 137: ...re occurs several times contact heating specialist lack of gas polarity of mains connection safe ty period check ignition electrode and ionisation current 1 3 146 Configuration fault Common message 15...

Page 138: ...351 Prim sys pump addr err 352 Pr less header addr err 353 Common flow sensor B10 missing 371 Flow temperature 3 Heating circuit 3 monito ring 372 Limit thermostat HC3 373 Expansion module 3 fault co...

Page 139: ...sts TW1 TW2 TVZ Ignition phase Ignition and start of safety period flame forming Ionisation current build up TSA1 Safety time constant Flame monitoring with ignition TSA2 Safety time variable Flame mo...

Page 140: ...from safety valve 41 E ECO 43 Emergency operation 46 Error message 45 F Factory settings 75 34 Fault 135 Fault code table 136 Fault message 133 34 Fault message 43 Floor curing function 84 Flue lenght...

Page 141: ...ctory setting 46 Room influence 80 Room temperature 41 Comfort setpoint 44 Reduced setpoint 45 S Safety valve 32 124 Servicing message 43 Software version 75 Spare parts 124 Standards 7 State 117 Stra...

Page 142: ...Space for notes 142 358 436 08 10...

Page 143: ...Space for notes 358 436 08 10 143...

Page 144: ...Technical data and errors are subject to change Specification nonbinding Baxi S p A 36061 Bassano del Grappa VI Italy Via Trozzetti 20 Tel 39 0424 517111 Fax 39 0424 38089 www baxi it...

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