Excel HE C28 User Manual

installation and servicingexcelYour Ideal installation and servicing guideSee reverse for excel users guideWhen replacing any part on this appliance

9excel HE - Installation and ServicingGENERAL450 (17 1/2")331 (13")119 (4 3/4")800(31 1/2")320 (12 5/8")177 (7")Flueterm

10excel HE - Installation and ServicingGENERALGeneral1. The installation must comply with all relevant national andlocal regulations.2. The installati

11excel HE - Installation and ServicingGENERALCH Return Ecl 6053Hose unionsMainswater supplyTemporary hose(disconnect after filling)Additional stop va

12excel HE - Installation and ServicingGENERAL6WATER TREATMENTCENTRAL HEATINGThe excel HE range of boilers have a copper main heatexchanger and a stai

13INSTALLATIONexcel HE - Installation and Servicing8BOILER ASSEMBLY - Exploded Viewex748433262535293040461950 44582021 57961751251 56 5243DataPlate4

14INSTALLATIONexcel HE - Installation and Servicing9UNPACKINGThe boiler is supplied fullyassembled in one Pack A, togetherwith a standard flue assemb

15INSTALLATIONexcel HE - Installation and Servicing10PACKAGING REMOVALFLUE KITSPack B - supplied as standardPack D - optional extension kit for side f

16INSTALLATIONexcel HE - Installation and Servicing FLUE OUTLET305Note. If wall thickness is greater than 305mm then dimension "H" must be r

17INSTALLATIONexcel HE - Installation and Servicing FLUE OUTLET14PREPARING THE WALLIMPORTANT.Ensure that, during the cutting operation, masonryfalling

18INSTALLATIONexcel HE - Installation and Servicing FLUE OUTLET1. A maximum of 2 extension ducts for the C24/C28 and a maximum of 1 extension duct for

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19INSTALLATIONexcel HE - Installation and Servicing FLUE OUTLETex753420FITTING THE OPTIONAL ROOF FLUE KIT (Flat or Pitched)Note.A flat or pitched roof

20INSTALLATIONexcel HE - Installation and Servicing FLUE OUTLET80/125Part No. Description QuantityC24 C28 C32 n/a Maximum Flue Length (m) 16 12

21INSTALLATIONexcel HE - Installation and Servicing FLUE OUTLET24ASSEMBLING THE ROOF FLUE KITDetermine the correct height that the flue should termina

22INSTALLATIONexcel HE - Installation and Servicing FLUE OUTLET25FITTING THE OPTIONAL FLUE FINISHING KITContents:Outer wall sealing plate - 1offInner

23INSTALLATIONexcel HE - Installation and Servicing26FITTING THE WALL MOUNTING PLATEFit the wall mounting plate either:a. Directly to the wall

24INSTALLATIONexcel HE - Installation and Servicingix744335643CHflowDHWOutletGasDHWInletCHreturn28MOUNTING THE BOILER30CONNECTING THE FLUE TO THE BOIL

25INSTALLATIONexcel HE - Installation and Servicing32FILLINGCentral Heating1. Remove the front, RH side and bottom coverpanels. See Frames 44, 45 and

26INSTALLATIONexcel HE - Installation and Servicing 33ELECTRICAL CONNECTIONSFor Ireland reference should be made to the current ETCIrules for electric

27INSTALLATIONexcel HE - Installation and Servicing35EXTERNAL ELECTRICAL CONTROLSWARNING. When the boiler is powered'ON' mains voltage is pr

28INSTALLATIONexcel HE - Installation and Servicing36PICTORIAL WIRING DIAGRAMLEGENDb-bluebk - blackbr - browngr - greyor - orangepk - pinkr-redv-viole

2excel HE - Installation and Servicing

29INSTALLATIONexcel HE - Installation and Servicing37FUNCTIONAL FLOW WIRING DIAGRAMWARNING. Whilst effecting the required gas soundness test and purgi

30INSTALLATIONexcel HE - Installation and ServicingJHMLKUTPRSNix7436Gas Valve39INITIAL LIGHTING1. Check that the system has been filled and that the b

31INSTALLATIONexcel HE - Installation and Servicing41GENERAL CHECKSMake the following checks for correct operation:1. Hot watera. Fully open all DHW t

32SERVICINGexcel HE - Installation and Servicing43SERVICING SCHEDULETo ensure the continued safe and efficient operation of theappliance it is recomme

33SERVICINGexcel HE - Installation and Servicing141112ix7445245BOILER SIDE PANEL AND SEALING PANEL REMOVAL44BOILER FRONT PANEL REMOVAL1. Remove the 2

34SERVICINGexcel HE - Installation and Servicing1. Remove the screw on the fan mountingbracket.2. Carefully pull fan from the recuperatorsealing gaske

35SERVICINGexcel HE - Installation and Servicing48BURNER REMOVAL AND CLEANING49CLEANING THE HEAT EXCHANGER1. Carefully separate the detection lead in-

36SERVICINGexcel HE - Installation and Servicing51REPLACEMENT OF COMPONENTSGENERALWhen replacing ANY component1. Isolate the electricity supply.2. Tur

37SERVICINGexcel HE - Installation and Servicing1. Refer to Frame 51.2. Remove the boiler front, side and sealing panels. Refer toFrames 44 and 45.

38SERVICINGexcel HE - Installation and Servicing57IGNITION ELECTRODE REPLACEMENT1. Refer to Frame 51.2. Remove the boiler front, side andsealing panel

3excel HE - Installation and ServicingDOCUMENT AMENDMENTSRelevant Installation changes implemented in this book from Mod Level ... A05 (Oct 06

39SERVICINGexcel HE - Installation and Servicing59SPARK GENERATOR REPLACEMENT1. Refer to Frame 51.2. Remove the boiler front and side panels. Refer t

40SERVICINGexcel HE - Installation and Servicing62COMBUSTION CHAMBER INSULATION REPLACEMENT63PCB REPLACEMENT (MAIN PCB AND EXPANSION PCB)1. Refer to F

41SERVICINGexcel HE - Installation and Servicing64MAINS SWITCH REPLACEMENT65CH AND DHW MICROSWITCH REPLACEMENT1. Refer to Frame 51.2. Remove the boile

42SERVICINGexcel HE - Installation and Servicing66AIR PRESSURE SWITCH REPLACEMENT1. Refer to Frame 51.2. Remove the boiler front and left hand sidepan

43SERVICINGexcel HE - Installation and Servicing69PRESSURE GAUGE REPLACEMENTSERVICING1. Refer to Frame 51.2. Remove the boiler front, side and sealing

44SERVICINGexcel HE - Installation and Servicing71AUTOMATIC AIR VENT REPLACEMENTSERVICING1. Refer to Frame 51.2. Remove the boiler front and right han

45SERVICINGexcel HE - Installation and Servicing72CH THERMISTOR AND DHW THERMISTOR1. Refer to Frame 51.2. Remove the boiler front, side and sealingpan

46SERVICINGexcel HE - Installation and Servicing75PUMP HEAD REPLACEMENT74DHW PLATE HEAT EXCHANGER REPLACEMENT1. Refer to Frame 51.2. Remove the boiler

47SERVICINGexcel HE - Installation and Servicing76HEAT ENGINE REPLACEMENT1. Refer to Frame 51.2. Remove the boiler front, side and sealing panels.Refe

48SERVICINGexcel HE - Installation and Servicing78RECUPERATOR REPLACEMENT1. Refer to Frame 51.2. Remove the boiler front, side and sealing panels. Re

4excel HE - Installation and ServicingGENERALCAUTION.To avoid the possibility of injury during the installation, servicing or cleaning ofthis applianc

49FAULT FINDINGFAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDINGexcel HE - Installation and Servicing79FAULT FINDINGThe operation

50FAULT FINDINGFAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDINGexcel HE - Installation and Servicing81ERROR CODE 2 - OVERHEAT ALA

51FAULT FINDINGFAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDINGexcel HE - Installation and ServicingCan the error be reset bythe

52FAULT FINDINGFAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDINGexcel HE - Installation and Servicing84ERROR CODE 5 - CH THERMISTO

53FAULT FINDINGFAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDINGexcel HE - Installation and ServicingYESReplace PCBYESReplace PCBN

54SHORT LIST OF PARTSexcel HE - Installation and Servicing1 Main heat exchanger + ‘o’ rings C24 1 173 854C28/C32 1 173 8552 Fan C24 1 173 856C28/C32 1

55SHORT LIST OF PARTSexcel HE - Installation and Servicing88SHORT LIST192561841405051525358596061575620219101731303526253336273429284342454644ex7466

56NOTESexcel HE - Installation and Servicing

57excel HE - Installation and ServicingINSTALLER NOTIFICATION GUIDELINESIT IS A REQUIREMENT OF CORGI MEMBERSHIP TO REGISTER EVERY GAS APPLIANCEIn addi

CONTROLS To comply with the Building Regulations, each section must have a tick in one or other of the boxesTIME & TEMPERATURE CONTROL TO HEATING

5excel HE - Installation and ServicingGENERALCONTENTSAir Supply ... 10Benchmark Comm

SERVICE INTERVAL RECORDIt is recommended that your heating system is serviced regularly and that you complete the appropriate Service Interval Record

Ideal Boilers, P.O. Box 103, National Ave, Kingston upon Hull,HU5 4JN. Telephone: 01482 492 251 Fax: 01482 448 858.Registration No. London 322 137.Te

users guideexcelYour Ideal users guideSee reverse for excel installation & servicing instructionsWhen replacing any part on this appliance use on

2excel HE - User’sIn cases of repeated or continuous shutdown a CORGI registeredinstaller or in Ireland a competent person should be called toinvestig

3excel HE - User’sLegendA. Boiler ON/OFF switchB. Main switch & CH thermostat knobC. DHW thermostat knobD. Pressure gaugeE. Operational lights (1

Ideal Boilers, P.O. Box 103, National Ave, Kingston Upon Hull, HU5 4JN. Tel.01482 492251 Fax. 01482 448858. Registration No. London 322 137.Ideal Stel

6excel HE - Installation and ServicingGENERAL1BOILER WATER CIRCUIT DIAGRAMINTRODUCTIONThe excel HE range of boilers are wall mounted, full sequence,au

7excel HE - Installation and ServicingGENERALOPTIONAL EXTRA KITSFLUING: Flue Extension Ducts. ('D' Pack - 1000mm long).C24-up to 3mC28-up t

8excel HE - Installation and ServicingGENERALThe boiler may be installed in any room or internal space,although particular attention is drawn to the r