Maxol SUPACOMBI HE28 Installation & Servicing Instructions Manual Download Page 37 | Manualshive

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Summary of Contents for SUPACOMBI HE28

Page 1: ...SUPACOMBI HE28 G C Appliance No 47 260 12 0086 Pin 87 BR 93 INSTALLATION SERVICING INSTRUCTIONS TO BE GIVEN TO THE USER...

Page 2: ...mber Insulation 28 9 3 Condensing Heat Exhanger 28 9 4 Fan and Air Pressure Switch 29 9 5 Burner 29 9 6 Ignition and Detection Electrodes 29 9 7 Gas Valve 29 9 8 Diverter Valve Actuator 30 9 9 Drainin...

Page 3: ...r irritation to the eyes or severe irritation to the skin seek medical attention GAS LEAKS DO NOT OPERATE ANY ELECTRICAL SWITCHES OR USE A NAKED FLAME TURN OFF THE GAS SUPPLY VENTILATE THE AREA BY OPE...

Page 4: ...Hot Water Input Btu h 44400 Min Rate Gross kW 14 4 Btu h 49200 Central Heating Gas Rate after 10 min operation hot m3 h 3 07 Max ft3 h 108 4 Domestic Hot Water Gas Rate after 10 min operation hot m3 h...

Page 5: ...l Heating Flow Temperature C 40 Appliance Maxol Supacombi HE 28 Total weight full kg 54 0 Total weight empty kg 49 0 Max lift weight kg 43 0 Total water capacity Ltr 4 8 Integral expansion vessel capa...

Page 6: ...s to the appliance and end terminal 1 2a C12 PART NO 956120 Traditional concentric flue system Fig 2a with a maximum length of 2700mm The flanged flue elbow is designed with 2 5 slope towards the appl...

Page 7: ...TRIC FLUE KITS b The standard terminal must always be fitted horizontally horizontal ducts must have a continuous fall towards the appliance of 2 5 This ensures condensate runs back into the appliance...

Page 8: ...nd ensure the diverter is pushed up to the shoulder to fully engage the rubber seal d Fix the diverter to the flue terminal with the self drilling screw provided Do not use a power tool to fit screw N...

Page 9: ...2 6 APPLIANCE HYDRAULIC CIRCUITS 3 7...

Page 10: ...MUST be protected by a purpose designed K6 terminal guard optional extra Part No 951507 g The air inlet flue outlet MUST NOT be closer than 25 mm 1 in to combustible material h Condensing appliances h...

Page 11: ...tral heating system Refer to Fig 8 for a typical system design which incorporates radiators and a drain facility that must be provided at the lowest point in the system to allow complete drain down 4...

Page 12: ...r it will start to open at approximately 2 7 bar It should not be used to flush the system FILLING LOOP This boiler is not fitted with a filling loop Any filling loop being fitted should comply with t...

Page 13: ...facilitate complete electrical isolation of the appliance Either a 3A fused three pin plug and un switched shuttered socket outlet both complying with BS 1363 or a 3A fused double pole switch having...

Page 14: ...eness by hanging a plumb line b Mark the position of the largest wall fixing holes Refer to Fig 9 c Mark the position of the flue outlet For side flue installation extend the flue centre line on to th...

Page 15: ...diameter is stepped up to a minimum of 22mm diameter copper pipe 4 6 CONDENSATE CONNECTION Refer to Figures 12 and 13 Connect preferably a 19mm I D plastic push fit or adhesive overflow pipe to the c...

Page 16: ...extensions are described in this section Installation instructions for all other flue systems are included in the various flue kits IMPORTANT Ensure the flue seal supplied in the fittings bag is fitte...

Page 17: ...as necessary referring to the flue kit instructions and fit to the flue elbow e Fit the flue terminal to the flue system ensuring that the duct joints are not disturbed and that the external sealing r...

Page 18: ...the system with water using the method described in section 3 7 to about 2 0 bar Vent the system via the radiator valves and system air vents in accordance with normal practice Ensure that all system...

Page 19: ...HIS BOILER IS FACTORY SET SO THAT NO COMBUSTION OR GAS BURNER PRESSURE CHECKS ARE REQUIRED HOWEVER IF THE APPLIANCE FAILS TO OPERATE CORRECTLY REFER TO SECTION 8 5 FAULT FINDING IF A COMBUSTION GAS IN...

Page 20: ...ral heating control thermostat a slow cycle device operates The timer set to 3 mins is activated after the end of each burn cycle to prevent rapid cycling of the burner ANTI PUMP SEIZURE DEVICE Provid...

Page 21: ...ay in service mode for 10 minutes and revert to normal operation if left 5 9 USERS INSTRUCTIONS Upon completion of commissioning and testing the system the installer must instruct the user in how to o...

Page 22: ...quipment to analyse the flue gas is available remove the sampling cap and fit a 6 mm inside diameter sample tube When the appliance is operating at maximum output check that the gas supply pressure is...

Page 23: ...the boiler and lift them over the hooks at the top 25 Combustion chamber lid Refer to Figure 26 a Remove the 6 screws gently ease control panel forward and remove combustion chamber lid taking care n...

Page 24: ...HECK 6 6 CONDENSATE DRAIN a Place a sheet or newspaper beneath the heat exchanger and remove all visible loose deposits from the heat exchanger fins using a soft brush or vacuum cleaner HEAT EXCHANGER...

Page 25: ...panel and the fan holder bracket d Refit the inner case cover IMPORTANT Ensure the boiler sealing panel is correctly fitted and that a good seal is made e Refit the boiler side and front panels f Tur...

Page 26: ...24 INTERNAL WIRING DIAGRAM 7 7 1 FUNCTIONAL FLOW WIRING DIAGRAM 31...

Page 27: ...IAGNOSTIC INDICATORS FASCIA PANEL Refer to Figures 32 33 The Digital Display may show an error code in a lockout condition To RESET the boiler press the reset button If the appliance will not reset re...

Page 28: ...y switching off at the mains and restoring it after a delay of 10 seconds RESET LOCK OUT CODES Display flashes and the error light will be lit LED CODE FAULT EFFECT REASON ACTION Check no air is in he...

Page 29: ...seized diverter valve Check diverter valve operation displaying hot water draw off BLOCKING CODES Display flashes and the error light will be lit 27 IF ANY OF THE ABOVE FAULTS OCCUR DURING INSTALLATIO...

Page 30: ...in Fig 34 IMPORTANT Do not force the connection G when tightening it Cleaning Inspect and if there are deposits of soot or dirt between the blades of the heat exchanger clean using a soft brush or va...

Page 31: ...ns of the Air pressure switch The contacts should be open IMPORTANT Ensure gas is turned OFF before proceeding with the next step g Run the boiler the Fan must run and check the electric resistance be...

Page 32: ...t water spillage so electrical components should be protected Refer to Figure 38 a Ensure supply voltage is isolated b Remove the casing front panel and lower the controls fascia panel c Withdraw the...

Page 33: ...Isolate the boiler from the system Refer to section 5 d DHW thermistor Close the cold water inlet valve and open all DHW taps to empty the DHW circuit e CH thermistor Close the boiler flow and return...

Page 34: ...NSATE TRAP Refer to Figures 44 and 45 a Ensure supply voltage is isolated b Remove the casing front panel and lower the controls fascia panel c Open the drain sump cap AA while holding a receptacle be...

Page 35: ...n reverse order ensuring that the ribbon cable is not trapped 46 If access to the control PCB is required proceed as follows a Unclip the rear plastic cover b Disconnect the ribbon cable from both PCB...

Page 36: ...Control fascia assembly 1 988576 12 DHW heat exchanger 1 451017 13 Pump 1 500652 14 CH flow switch 1 500593 15 DHW flow switch 1 500668 16 E00 688 Primary pressure switch kit inc membrane 1 840501 17...

Page 37: ...55 1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 18 19 20 21 22 23 24 35...

Page 38: ...L HEATING RETURN TEMPERATURE C FOR COMBINATION BOILERS ONLY HAS A WATER SCALE REDUCER BEEN FITTED YES NO WHAT TYPE OF SCALE REDUCER HAS BEEN FITTED FOR CONDENSING BOILERS ONLY CONFIRM THE FOLLOWING TH...

Page 39: ...NY NAME TEL No CORGI ID SERIAL No COMMENTS SIGNATURE SERVICE 3 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID SERIAL No COMMENTS SIGNATURE SERVICE 4 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID SE...

Page 40: ...4 Training 01926 834838 Email sales maxolboilers co uk or service maxolboilers co uk or training maxolboilers co uk www maxolboilers co uk Maxol Boilers are manufactured in the UK by Halstead Boilers...

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