IDEAL he24 Installation And Servicing Download Page 1

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Summary of Contents for he24

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Page 2: ...dom IE Ireland Countries of destination PMS Maximum operating pressure of water C13 C33 C53 A room sealed appliance designed for connection via ducts to a horizontal or vertical terminal which admits...

Page 3: ...a badge 11 SEDBUK No 2 Controls Time and temperature control to heating 24 Time and temperature control to hot water 24 Heating zone valves n a TRV s 8 Auto bypass 8 Boiler interlock 8 For all boilers...

Page 4: ...t exchanger is of cast aluminium The boiler is suitable for connection to fully pumped sealed water systems ONLY Adequate arrangements for completely draining the system by provision of drain cocks MU...

Page 5: ...d the normal appliance warranty It could also infringe the Gas Safety Regulations and the above regulations SAFE HANDLING OF SUBSTANCES Care should be taken when handling the boiler insulation panels...

Page 6: ...copper pipe MUST be fitted to both flow and return connections from the boiler before connection to any plastic piping The central heating system should be in accordance with BS 6798 and in addition...

Page 7: ...ia should be removed See Frame 37 Bottom clearance Bottom clearance after installation can be reduced to 5mm However 100mm must be available for servicing Where the space into which the boiler is goin...

Page 8: ...equirement of at least 0 9kW 3000Btu h of the boiler heat output should be achieved using a room thermostat whilst other rooms are individually controlled by thermostatic radiator valves A higher prop...

Page 9: ...es 4 When connecting to suitable showers ensure that a The cold inlet to the boiler is fitted with an approved anti vacuum or syphon non return valve b Hot and cold water supplies to the shower are of...

Page 10: ...icially softened water however is not permitted Caradon Ideal Limited recommend the use of Fernox Qantomat GE Betz Sentinel Combiguard and Calmag CalPhos I scale reducing devices which must be used in...

Page 11: ...11 INSTALLATION isar Installation and Servicing 8 BOILER ASSEMBLY Exploded View INSTALLATION...

Page 12: ...with this requirement may result in damage to the fascia Hardware Pack Fittings 50mm x No 14 wood screws 4 off Wall plugs TP2B 4 off Water treatment warning label Turret clamp M5 x 10 pozi Hex screw S...

Page 13: ...laps to gain access to Wall mounting plate Instructions Hardware pack fittings User control 4 Remove the instructions and read thoroughly before unpacking the product 5 When ready for installation lif...

Page 14: ...the boiler and out through the condensate drain 2 If the boiler is to be installed with upward piping routed behind the boiler then the optional stand off kit should be used Care must be taken when cu...

Page 15: ...wall and tape template B into the selected position 4 Mark onto the wall the following a The piping frame screw positions choose one from each group b The position of the flue duct hole see diagram b...

Page 16: ...ential add 33mm to X the measured wall thickness when marking the flue this will allow for the fitted frame 1 Measure and note wall thickness X Refer to Frame 12 2 Add 90mm 3 1 2 to dimension X and me...

Page 17: ...ng the clamp provided clamp the flue lengths together 5 Repeat steps 1 4 if a second flue extension is required 6 Measure and mark the flue length required onto the flue measuring from the ring near t...

Page 18: ...frame To allow pipework to be taken upwards Insert wall plugs Put the screws into the wall plugs and leave 10mm proud Hang the stand off frame onto the screws and tighten up Fasten the piping frame t...

Page 19: ...isplay unit pack A into the control box Refer to Frame 66 8 Screw the user control into position 22 CONDENSATE DRAIN Refer also to the British Gas document Guidance Notes for the Installation of Domes...

Page 20: ...ing a cupful of water into the flue outlet A Take care to ensure that the water is only poured into the flue outlet and does not spill into the boiler casing 1 Insert the flue assembly through the pre...

Page 21: ...he isar range is able to deliver its full output at inlet pressures well below those required by BS 6891 A boiler gas supply pipe length of 20m and not less than 15mm O D can be connected to the boile...

Page 22: ...ould be protected c Bleed any air from the pump and ensure that it is free to rotate i Remove the vent plug ii Using a screwdriver rotate the shaft several times iii Replace the vent plug Note Some sl...

Page 23: ...E E BS 7671 Wiring Regulations and any local regulations 1 Route the mains cable into the bottom rear centre of the boiler 2 Wire the permanent live supply into the 5 way remote plug terminals L3 N IM...

Page 24: ...se the programmer selector switches are set to OFF and all the other controls MUST be left in the running position The frost thermostat should be sited in a cold place but where it can sense heat from...

Page 25: ...25 INSTALLATION isar Installation and Servicing 33 PICTORIAL WIRING DIAGRAM LEGEND b blue bk black br brown gy grey or orange pk pink r red v violet w white y yellow y g yellow green INSTALLATION...

Page 26: ...ry out the preliminary electrical system checks i e earth continuity polarity resistance to earth and short circuit using a suitable test meter B Gas Installation 1 The whole of the gas installation i...

Page 27: ...ugh its ignition sequence until the burner is established LEGEND A Boiler On Off switch B CH thermostat knob D Burner On neon E Reset button F Injector pressure test point G Inlet pressure test point...

Page 28: ...rom them The display should read flashing then when the burner lights Make the following checks for correct operation in 3 Close all taps except the furthest one from the boiler and check that the boi...

Page 29: ...and vent the system add inhibitor see Frame 6 clear all air locks and again check for water soundness Affix the water treatment warning label supplied in the hardware pack in a prominent position on...

Page 30: ...ealing panel is not fitted 13 If for any reason the condensate S trap has been removed ensure the trap is refilled with water before reassembling 14 Complete the service section in the Benchmark log b...

Page 31: ...2 screws from the underside of the boiler 2 Pull the panel forward at the bottom and lift to disengage it from the top lugs 1 To remove the sealing panel remove the 4 screws 2 Remove the panel 3 To r...

Page 32: ...THE CONTROL BOX IN THE SERVICING POSITION 1 Remove the 2 screws and withdraw the user control 2 Unplug the low voltage electrical lead from the back of the user control 3 Turn the clamp swing the cont...

Page 33: ...laced down upon its face as this may cause damage to the ceramic 3 Brush off any deposits that may be on the ceramic with a SOFT brush 4 Inspect the sealing gasket around the burner and combustion cha...

Page 34: ...and detection electrodes Ensure that they are clean and in good condition replace if necessary 6 Check the condition of the combustion chamber insulation Any cracked or damaged pieces should be replac...

Page 35: ...Frames 42 43 3 Disconnect the electrical leads from the fan 4 Undo the gas pipe union connection to the injector housing 5 Remove the screw retaining the fan mounting bracket 6 Remove the fan and vent...

Page 36: ...connection to the injector housing 5 Remove the screw retaining the fan mounting bracket 6 Remove the fan and venturi assembly 7 Remove the 2 injector housing screws 8 Withdraw the injector housing 9...

Page 37: ...Remove the boiler front and sealing panels Refer to Frames 42 43 3 Unplug the flame detection lead from the electrode 4 Remove the 2 screws holding the flame detection electrode to the combustion cham...

Page 38: ...n are replaced Reassemble in reverse order 11 Ensure the sensing tube is correctly replaced and not kinked or blocked in any way 12 Check operation of the boiler Refer to Frame 50 60 DIVERTER VALVE AC...

Page 39: ...part 7 Remove the detection earth probe 8 Damp down the combustion chamber area containing the insulation boards 9 Remove the split pin and washer from the RHS of the combustion chamber 10 Remove the...

Page 40: ...NT 1 Refer to Frame 50 2 Remove the casing front bottom panel Refer to Frames 42 43 3 Remove the 4 screws securing the support plate and withdraw the plate Note The M4 screws fit the casing and the se...

Page 41: ...move the control Refer to diagram A 5 Return the control box to the working position and secure with the clamp Unscrew the mounting bracket screws to remove the bracket Refer to diagram B 6 Release th...

Page 42: ...ion 5 Reassemble in reverse order 6 Check operation of the boiler Refer to Frame 50 66 USER CONTROL REPLACEMENT 67 PRESSURE GAUGE REPLACEMENT 1 Refer to Frame 50 2 Drain the boiler Refer to Frame 70 3...

Page 43: ...g clip 9 Undo the 2 M5 x 10 flue spring clip retaining bracket screws and remove the bracket 10 Remove the M5 x 10 screw retaining the flue casting 11 Remove the flue casting 12 Unscrew the air vent f...

Page 44: ...3 Drain the boiler Refer to Frame 70 4 Remove the 4 screws retaining the rear support plate and withdraw the plate Refer to Frame 68 Note The M4 screws fit the casing and the self tapping screws fit t...

Page 45: ...ove the casing front bottom panel Refer to Frames 42 43 3 Drain the boiler Refer to Frame 70 4 Remove the 4 screws securing the rear support plate and withdraw the plate Refer to Frame 68 Note The M4...

Page 46: ...NE REPLACEMENT 17 Remove the automatic air vent complete with the adapter Refer to Frame 69 18 Remove the edge clip securing the flue thermistor wiring 19 Remove the blind grommet to gain access to th...

Page 47: ...me 70 3 Unscrew all the gas and water connection unions on the boiler side of the valves 4 Remove the screw from the turret clamp and remove 5 Remove the turret 6 Lift the complete boiler from the wal...

Page 48: ...FRAME 79 ALTERNATING L A GO TO FRAME 80 ALTERNATING L 8 GO TO FRAME 81 ALTERNATING H 1 GO TO FRAME 82 ALTERNATING H 2 GO TO FRAME 83 ALTERNATING H 3 GO TO FRAME 84 ALTERNATING H 4 GO TO FRAME 85 ALTER...

Page 49: ...fault Replace ignition electrode and associated harness as necessary NO Replace gas valve YES NO NO 79 L E or H E PCB ERROR Note Due to the wave form of the rectified voltage the reading will vary dep...

Page 50: ...m filled with water and all isolation valves open OK NO YES NO Replace overheat thermostat 81 L 8 FAN ERROR Is nominal 330 V DC present across red and blue at the fan connector as reset button is pres...

Page 51: ...ity between the PCB and the thermistor Remove the boiler DHW thermistor from the plate heat exchanger and disconnect thermistor wires Are the thermistor values correct Replace the thermistor NO NO YES...

Page 52: ...r damage in the flueways Clean or replace as necessary Replace thermistor NO 87 H n PHASE REVERSAL ERROR Check wiring to the boiler for reversed live and neutral YES NO YES NO 86 H F FLAME DETECTION E...

Page 53: ...urn 2 170 917 24 E67 502 Overheat thermostat 1 170 918 25 Ignition electrode kit 1 173 528 26 Flame detection electrode kit HE24 30 1 173 529 HE35 1 170 984 32 E67 511 Condensate S trap 1 170 926 35 U...

Page 54: ...54 SHORT LIST OF PARTS isar Installation and Servicing 88 SHORT LIST...

Page 55: ...anel with screws 4 Bottom panel with screws 90 CONTROLS ASSEMBLY 33 Controls assy with screws 34 Controls hinge bracket 35 User controls without item 38 36 PCB primary controls 38 User controls housin...

Page 56: ...ecification without notice The Ideal Boilers Technical Training Centre offers a series of first class training courses for domestic commercial and industrial heating installers engineers and system sp...

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