IDEAL HE12 Installation And Servicing Download

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icos

Installation & Servicing

FAULT FINDING

AUL

T FINDING F

AUL

T FINDING F

AUL

T FINDING F

AUL

T FINDING F

AUL

T FINDING

69 FAULT FINDING CHART MAIN MENU

ALTERNATING 'L' 'F'

GO TO FRAME 70

ALTERNATING 'L' 'E'

GO TO FRAME 71

ALTERNATING 'L' 'A'

GO TO FRAME 72

ALTERNATING 'L' '8'

GO TO FRAME 73

ALTERNATING 'H' '1'

GO TO FRAME 74

ALTERNATING 'H' 'F'

GO TO FRAME 75

ALTERNATING 'H' '4'

GO TO FRAME 76

ALTERNATING 'H' 'n'

GO TO FRAME 77

ALTERNATING 'H' 'E'

GO TO FRAME 71

In order to assist fault finding the boiler has an LED diagnostic display. The key to the display codes is as follows:

ALTERNATING 'H9'

GO TO FRAME 76

ALTERNATING 'L9'

GO TO FRAME 76

Summary of Contents for HE12

Page 1: ...e specification that we require Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers HE12 HE15 HE18 HE24 For users guide see reverse of book For the very lates...

Page 2: ...2 icos Installation Servicing...

Page 3: ...Notes Items 4 5 added Page 18 Frame 18 Terminal Wall Seal Assembly Position New frame added ref positioning of terminal wall seal Page 19 Frame 21 Flue Extension Ducts Item no 3 added Page 20 Frame 2...

Page 4: ...0 37 Packaged weight kg lb 38 84 Maximum installation weight kg lb 31 68 Boiler size Height mm in 582 23 Width mm in 390 15 Depth mm in 278 11 The value is used in the UK Government s Standard Assess...

Page 5: ...chnical Helpline on the back page Page Burner operating pressure n a Central heating flow temp measure and record Central heating return temp measure and record For combination boilers only Scale redu...

Page 6: ...ide Installation from inside ONLY b If a core boring tool is to be used inside the building the space in which the boiler is to be installed must be at least wide enough to accommodate the tool Front...

Page 7: ...ion Concentric Flue Screw Retaining Kit Roof Flue Kit to a maximum of 7 5m Powered Vertical Flue Kit 5 m primary and 17m secondary is a typical maximum flue length For further details refer to Powered...

Page 8: ...erably by the gas supplier to ensure that the meter is adequate to deal with the rate of gas supply required It is the responsibility of the Gas Installer to size the gas installation pipework in acco...

Page 9: ...bore and microbore systems BS 5449 Graph 1 Water flow rate and pressure loss WATER TREATMENT see Frame 9 The hot water storage cylinder MUST be of the indirect type and should preferably be manufactur...

Page 10: ...a differential temperature of 20 o C across the boiler is not exceeded 4 Adjust room and cylinder thermostats and programmer to NORMAL settings The system should be vented directly off the boiler flow...

Page 11: ...valve or discharge pipe should be positioned so that the discharge of water or steam cannot create a hazard to the occupants of the premises or cause damage to electrical components and wiring 3 Press...

Page 12: ...ion vessel must be connected to a point close to the inlet side of the pump the connecting pipe being not less than 15 mm 1 2 nominal size and not incorporating valves of any sort b The vessel capacit...

Page 13: ...elrad Group recommend water treatment in accordance with the Benchmark Guidance Notes on Water Treatment in Central Heating systems Ideal Stelrad Group recommend the use of FERNOX COPAL or MB1 or GE B...

Page 14: ...assy 20 Fan bracket assy 21 Orifice plate 22 Flue thermistor LEGEND 1 Front casing panel 2 Sealing panel 3 Sump cover plate 4 Bottom casing panel 5 Flue sensing nipple 6 Return pipe 7 Flow pipe 10 BO...

Page 15: ...4 wood screws 3 off B Wall plugs TP2B 3 off C Push in caps 6 off Refer to Frame 36 no 15 D Mains connector 1 off Pack A Contents A The boiler B Wall mounting template on cardboard C Wall mounting plat...

Page 16: ...s stood correctly as marked on the carton 2 Cut and remove the strapping 3 Fold back the top flaps to gain access to the wall mounting plate literature and wall mounting card template 4 Remove the ins...

Page 17: ...optional stand off kit should be used Care must be taken when cutting the ducts and marking the wall to suit this condition 4 If the boiler is to be installed with upward piping routed behind the boi...

Page 18: ...e hole centre for standard installation Care MUST be taken to ensure the correct holes are drilled 1 Tape template into the selected position Ensure squareness by hanging a plumbline as shown 2 If fit...

Page 19: ...not the jacking screw 3 Locate 2 No 14 x 50mm screws in the piping frame one at each side in any of the 3 holes provided at each side and screw home Note If using the stand off kit then locate the st...

Page 20: ...e plastic inner flue 5 Fix to length using self tappers provided 6 Seal outer air duct using the tape provided Notes a If using the extension ducts go to Frame 18 b If the stand off frame is used it i...

Page 21: ...pport cutting aid shown folded up Wall plugs 4 off Extension duct clamp 1 0m 39 long No 10 x2 wood screw 4 off nm8732 20 FITTING THE KIT Because of the flexibility of the telescopic flue terminal it i...

Page 22: ...other materials may be used The drain outlet on the boiler is standard 21 5mm overflow pipe This size must not be reduced in any part of its length A plastic cap is fitted to the end of the condensate...

Page 23: ...ddle BOILER External wall Ground Level Termination to Soak away cla7774 minimum 500mm BOILER External wall Ground Level Open end of pipe direct into gulley below grating but above water level DRAIN cl...

Page 24: ...A located in the top of the flue manifold is secure and giving an effective seal 4 Secure the flue turret on top of the boiler by inserting the open ends of the turret clamp under the 2 studs and fixi...

Page 25: ...pitched roof terminations using a concentric flue to run vertically from the top of the boiler and terminating above roof level Connection to the top of the boiler is made using both a separately sup...

Page 26: ...so that products of combustion can safely disperse at all times Pluming may occur at the termination so where possible terminal positions where this could cause a nuisance should be avoided Minimum d...

Page 27: ...27 icos Installation Servicing INSTALLATION FLUE OUTLET rf8737 rf8738 31 FLUE ARRANGEMENT Note The equivalent flue length resistance of the elbow kits are 90o elbow kit 1m 45o elbow kit 0 6m...

Page 28: ...tile weather collar 1 nm8741 2 Extension Duct Vertical connector Turret clamp 3 nm8743 X 4 2 Push fit the vertical connector supplied seperately into the boiler flue connection and retain with the tur...

Page 29: ...oiler via the gas service cock union Ensure that the gas supply pipe does not foul the boiler casing Refer to Frame 41 for details of the pressure test point position 35 ELECTRICAL CONNECTIONS WARNING...

Page 30: ...agnostic controls to function correctly 3 Wire the switched live supply into L2 or connect L1 and L2 via external control switching as shown in Frame 32 In either case remove the wire link fitted L1 t...

Page 31: ...br b 38 FUNCTIONAL FLOW WIRING DIAGRAM Overheat thermostat 1 2 br r r bk y pk b Mains Switch Flame detection electrode DC Fan Ignition electrode CH return thermistor not fitted Control thermistor DC G...

Page 32: ...The fuse should be 3A Room Thermostat If the thermostat has a neutral connection use it It provides for more energy efficient operation by reducing switching temperature differentials Frost Protection...

Page 33: ...pressure is able to obtain maximum output Refer to Table 2 1 Check that the system has been filled and that the boiler is not air locked For additional gas supply information refer to Gas Supply on pa...

Page 34: ...d Use Regulations or rules in force 2 Explain and demonstrate the lighting and shutting down procedures 3 The operation of the boiler and the use and adjustment of ALL system controls should be fully...

Page 35: ...l is not fitted 10 If for any reason the condensate S trap has been removed ensure the trap is refilled with water before reassembling 11 Check the gas consumption 12 Connect a suitable gas analyser t...

Page 36: ...the 3 screws at the rear are extended to ease access 2 Lift off the burner from the combustion chamber IMPORTANT The burner head is a ceramic plaque construction Care must be taken to ensure that the...

Page 37: ...gas service cock 10 Reconnect the electrical supply 1 Remove ignition and flame detection electrodes Refer to Frames 56 57 2 Remove the 3 screws retaining the sump cover and remove 3 Using a suitable...

Page 38: ...els Refer to Frames 45 46 3 Pull the electrical leads off the control thermistor 4 Pull the control thermistor and spring clip off the IMPORTANT When work is complete the sealing panel must be correct...

Page 39: ...nce of damage or deterioration is visible 9 Fit the new fan venturi assembly 10 Reassemble the boiler in reverse order taking care not to overtighten the screw on the fan mounting bracket 11 Check the...

Page 40: ...ve the remaining screw holding the ignition electrode to the combustion chamber 6 Remove the electrode ispfu9788 5 4 5 Remove the flame detection electrode 6 Fit the new flame detection electrode usin...

Page 41: ...nnect the earth wire 4 Remove the sensing tube from the gas control valve 5 Undo the union nut between the gas valve and the gas inlet cock 6 Undo the union nut on the outlet side of the gas control v...

Page 42: ...the bottom panel 4 Remove the 2 control box screws 5 Carefully unplug all the electrical wiring from the control box 6 With the control box lowered pull the assembly forward to remove from the housing...

Page 43: ...gasket supplied 8 Reassemble in reverse order 9 Check operation of the boiler Refer to Frame 52 1 Refer to Frame 52 2 Remove the boiler front and sealing panels Refer to Frames 45 46 3 Pull off the e...

Page 44: ...should be retained and the discarded insulation should now be placed into it 10 Sweep any dampened particles and place in the plastic bag 11 Fit new insulation piece a Locate and align the insulation...

Page 45: ...flue thermistor 13 Unscrew the M5 x 10 screw retaining the top manifold flue casing 14 Remove the top half of the flue manifold from the appliance 15 Undo the 4 M5 x 10 screws securing the bottom flu...

Page 46: ...er Note Ensure that the boiler sealing panel is correctly seated compressing the seal to make an airtight joint 7 Check operation of boiler Refer to Frame 52 68 CONDENSATE S TRAP REPLACEMENT 1 Refer t...

Page 47: ...RAME 71 ALTERNATING L A GO TO FRAME 72 ALTERNATING L 8 GO TO FRAME 73 ALTERNATING H 1 GO TO FRAME 74 ALTERNATING H F GO TO FRAME 75 ALTERNATING H 4 GO TO FRAME 76 ALTERNATING H n GO TO FRAME 77 ALTERN...

Page 48: ...may measure the possible peak voltage of 339V In general terms a reading greater than 150V indicates that the correct voltage is supplied to the gas valve As an alternative to a multimeter a mains ch...

Page 49: ...r connected across the thermistors terminal pins At 25 o C expect 9 700 10 300 Ohms At 60 o C expect 2 400 2 600 Ohms At 85 o C expect 1 000 1 100 Ohms Remove the boiler flow thermistor from the CH fl...

Page 50: ...om PCB H9 L9 HEAT EXCHANGER OVERHEAT Is the system filled and vented and all isolation valves open including TRV s Bypass Check the pump is operating correctly in Heating DHW and check temp diffs acro...

Page 51: ...172 625 19 E67 497 Gas control valve 1 170 913 22 E67 500 Flue thermistor 1 170 916 23 E67 501 Control thermistor 2 170 917 24 E67 502 Overheat thermostat 1 170 918 25 Ignition electrode kit 1 175 406...

Page 52: ...52 icos Installation Servicing SHORT LIST OF PARTS nm8077d 78 SHORT LIST 79 BOILER CASING ASSEMBLY 1 Front casing panel with screws 2 Sealing panel with screws 4 Bottom casing panel with screws...

Page 53: ...cl 1598 11 Burner assembly with screws and gasket LIST OF PARTS 80 CONTROLS ASSEMBLY 33 Controls assy with screws 34 Controls hinge bracket 35 User controls without item 38 36 PCB primary controls 38...

Page 54: ...54 icos Installation Servicing NOTES...

Page 55: ...55 icos Installation Servicing NOTES...

Page 56: ......

Page 57: ...act a government approved inspector LABC will record the data and will issue a certificate of compliance If you notify via Gas Safe Register they will then notify the relevant Local Authority Building...

Page 58: ...Gas Safe Register ID Number...

Page 59: ...ister ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Registe...

Page 60: ...cification 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 spe...

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