Please leave these instructions with the user
Baxi 100/2 HE Plus
Wall Mounted Powered Flue Condensing Boiler
Gas Fired Central Heating Unit
Installation & Servicing Instructions
Страница 1: ...Please leave these instructions with the user Baxi 100 2 HE Plus Wall Mounted Powered Flue Condensing Boiler Gas Fired Central Heating Unit Installation Servicing Instructions...
Страница 2: ...w that satisfied customers mean continued success We hope you get a satisfactory service from Baxi If not please let us know Natural Gas Baxi 100 2 HE Plus G C No 41 075 34 The boiler meets the requir...
Страница 3: ...8 5 0 Dimensions and Fixings 9 6 0 System Details 10 7 0 Site Requirements 14 8 0 Installation 20 9 0 Electrical 26 10 0 Commissioning the Boiler 28 11 0 Fitting the Outer Case 29 12 0 Servicing the B...
Страница 4: ...ng should be avoided and protective equipment worn where necessary Carrying lifting equipment should be used as required e g when installing in a loft space The addition of anything that may interfere...
Страница 5: ...er supply only 8 The boiler must be installed with one of the purpose designed flues such as the standard horizontal flue kit part no 236921 1 2 Important Information Man made mineral fibre Some compo...
Страница 6: ...Red 16 Flow Switch dry fire protection 1 2 3 4 5 6 7 9 8 10 11 15 14 12 13 16 Fig 4 Fig 3 Fig 5 2 2 Optional Extras KIT PART No FLUE EXTENSION KITS 110 70 Flue Extension 0 25M 241692 Flue Extension 0...
Страница 7: ...he gas rate to achieve optimum operation If the flow temperature is greater than the set point or the TRVs all shut down then fan post purge occurs 6 Fan Post Purge The pump and fan are on while the s...
Страница 8: ...rances For unventilated compartments see Section 7 5 Both Sides 5mm Min Above Casing 200mm Min Below Casing 50mm Min Front For Servicing 500mm Min Front In Operation 5mm Min 0 10 20 30 40 20 40 60 80...
Страница 9: ...the flue elbow should be 55mm to incorporate the 3 1 in 20 fall in the flue from the terminal to the elbow The 3 1 in 20 fall provided by the elbow is to allow condensate to run back to the boiler for...
Страница 10: ...s that exhibit evidence of sludging it is advisable to clean the system prior to treatment in order to remove any sludge and reduce the likelihood of these deposits damaging new components When fittin...
Страница 11: ...djusted to give an 20o C drop across the boiler b The pump must be fitted on the flow c The pump must be fitted in accordance with the pump manufacturer s instructions d The open vent pipe must be tak...
Страница 12: ...on HW off L N E L N P F E b g y w o gr 1 C 2 g y S Plan Valve Cylinder Stat Room Stat Boiler Pump Timer 230V 50Hz L N E L N CH on HW on L N E L N P F E Motor S Plan Valve Motor o o gr b g y b gr br br...
Страница 13: ...isted double check valve or some other no less effective backflow prevention device is permanently connected at the inlet to the circuit and the temporary connection is removed after use The filling m...
Страница 14: ...I E E Wiring Regulations and Building Regulations In IE reference should be made to the current edition of I S 813 Domestic Gas Installations and the current ETCI rules 4 If the boiler is to be fitte...
Страница 15: ...mm pipework must be connected to the appliance gas service cock This should extend for at least 3 meters back towards the gas meter Do not use pipes of a smaller diameter than the boiler gas connectio...
Страница 16: ...tect against frost It is also recommended that the pipe diameter is increased to 32mm 8 If the boiler is fitted in an unheated location the entire condensate discharge pipe should be treated as an ext...
Страница 17: ...painted if required using a suitable external paint 9 If a terminal is less than 2 metres 783 4 in above a balcony above ground or above a flat roof to which people have access then a suitable termin...
Страница 18: ...actice dictate the use of terminal guards they can be obtained from most Plumbers and Builders Merchants 2 When ordering a terminal guard quote the appliance model number 3 The flue terminal guard sho...
Страница 19: ...dapter 5106888 Clamp 80mm 238684 7 11 Flue options Concentric The maximum equivalent lengths are 4m horizontal or vertical There lengths exclude the standard elbow and flue terminal assembly horizonta...
Страница 20: ...5mm see table Fig 20 for wall thicknesses and flue diameters 6 Drill and plug the wall as previously marked Secure the wall plate using the centre hole Fig 22 7 Ensuring the wall plate is level both h...
Страница 21: ...2 Remove the internal packaging 3 Lift the outercase upwards and remove Fig 23 Baxi declare that no substances harmful to health are contained in the appliance or used during appliance manufacture Lo...
Страница 22: ...he flow connection the use of two spanners is recommended 3 A copper elbow compression nut and olive are provided in the kit for the return connection NOTE Drain cocks should be fitted to all system s...
Страница 23: ...Take the flue and mark off X from the terminal end as indicated in the diagram Fig 27 Check your dimensions The flue tubes are fixed together Cut through both tubes whilst resting the flue on the semi...
Страница 24: ...ood between the wall and air duct outside the building ensuring the 3 drop between the terminal and elbow 12 The flue trim should be fitted once the installation is complete and the flue secure Fig 30...
Страница 25: ...the top right hand securing screw and hinge down the PCB housing b Remove the Blue and Red jumpers labelled CN11 and CN12 from the bottom left hand side of the PCB c Hinge back up the PCB housing and...
Страница 26: ...9 0 Electrical 26 9 1 Schematic Wiring Diagram Key To Wiring Colours b Blue bk Black w White br Brown gy Grey r Red g Green g y Green Yellow op Opaque y Yellow...
Страница 27: ...Yellow 9 2 Illustrated Wiring Diagram GasValve Fan CondensateTrap CH Flow Switch Flow Thermistor Spark Electrode Flame Detection Electrode Main PCB L N r r gy gy r b br g w Flow Overheat Thermostat F...
Страница 28: ...ess to the gas service cock see Fig 32 Turn the gas service cock anticlockwise to the ON position and check for gas soundness up to the gas valve Fig 34 7 Turn the boiler control knob fully clockwise...
Страница 29: ...in the event of any warranty work The Log Book must be handed to the user for safe keeping and each subsequent regular service visit recorded For IE it is necessary to complete a Declaration of Confor...
Страница 30: ...d 5 Remove the outercase and lower door panel see Fitting the Outercase Section 11 0 WARNING The PCB Control and Fan Assembly is 325 Vdc Isolate at supply before access 6 Release the four 1 4 turn scr...
Страница 31: ...et and slide to the left to remove Fig 44 i Remove the four screws securing the heat exchanger combustion box base and withdraw the base j Lower the central insulation panel and check condition Fig 44...
Страница 32: ...the heat exchanger manifold at the right hand side of the boiler Fig 45 to enable the heat exchanger to be drained 4 Place a tube on the drain point to drain water away from electrics Turn anticlockwi...
Страница 33: ...Remove the clip securing the flow pipe to the flowswitch 4 Remove the two screws securing the flow switch to the boiler 5 Disconnect the inline electrical connection 6 Remove the flowswitch 7 Fit the...
Страница 34: ...uring screw and hinge down the PCB housing and disconnect the electrical connections noting their positions NOTE Check the PCB for the presence of input jumpers see section 8 8 Set the new PCB as the...
Страница 35: ...PCB Control and Fan Assembly is 325 Vdc Isolate at supply before access 1 Loosen the screw holding the injector pipe into the venturi 2 Remove the electrical connections to the fan and protection sens...
Страница 36: ...as valve from the airbox side 8 Remove the aluminium spacer and its gasket from the gas valve 9 Fit the aluminium spacer and its gasket to the new valve 10 Fit the new gas valve and reassemble in reve...
Страница 37: ...rner and reassemble in reverse order 13 11 Heat Exchanger 1 Drain the boiler see section 13 1 paragraph 2 3 2 Remove all components in the base of the airbox 3 Undo the screws on the support bracket R...
Страница 38: ...ve the lower insulation pad 6 Fit the new insulation pad and reassemble in reverse order 13 13 Heat Exchanger Upper Insulation Pad Fig 60 1 Remove all components in the base of the airbox 2 Remove the...
Страница 39: ...r Red 240670 B E06 059 Flow Switch 242459 C E06 060 Safety Thermostat Black 242235 D PCB 100 2HE 5110991 E Fan 5109925 F Gas Valve 241900 G E06 085 Viewing Window 242484 H Condensate Trap 5111714 I El...
Страница 40: ...wiring harness PCB Fault Replace PCB PCB Fault Replace PCB PCB Fault Replace PCB YES YES YES YES YES YES YES YES YES YES YES YES Go to Electrical Supply section of the fault finding instructions ON G...
Страница 41: ...ls and System Wiring 240V at B Check wiring from terminal block to PCB Check for shorts on pump fan gas valve Replace if shorted replace fuse YES NO Replace PCB YES YES NO NO ELECTRICAL SUPPLY 240V at...
Страница 42: ...ve Turn mains off on After 5 sec is there 240V at E Pump or Pump Wiring fault Is there a blockage in the system NO NO YES YES YES E Optional Pump Live N L F Optional Pump Live N L Turn mains off unplu...
Страница 43: ...y YES YES NO NO YES Remove Gas Valve check inlet filter for blockage Otherwise incorrect gas supply to boiler Is there at least 18mbar dynamic at gas valve inlet Lead from PCB to Gas Valve faulty Is s...
Страница 44: ...er door seal trim seal NO YES NO YES Reconnect stat Disconnect fan stat When fan temp 60 C is there continuity across stat Reconnect stat Disconnect the larger of the 6 way PCB connectors Is there con...
Страница 45: ...way PCB connector Is there continuity from R to S from T to U from V to W Replace fan Rectify wiring YES N P R V T Q O U Viewed from Wire Entry end S W Fan Connection PCB Connection Fan Connection PC...
Страница 46: ...ng from PCB to thermistor faulty YES NO NO YES Replace PCB Unplug thermistor Is thermistor resistance between 0 5k 20k Plug in thermistor leave 8 way connector unplugged Is resistance at D between 0 5...
Страница 47: ...omestic heating market Gas Central Heating Boilers Wall Floor and Fireside models Independent Gas Fires Renewal Firefronts Gas Wall Heaters Solid Fuel Fires If you require information on any of these...
Страница 48: ...Iss 2 09 04 BAXI POTTERTON A Trading Division of Baxi Heating UK Ltd Brownedge Road Bamber Bridge Preston Lancashire PR5 6UP After Sales Service 08706 096 096 Technical Enquiries 08706 049 049 Website...
