4098221518L.12.04All replacement partsAll labour chargesAll call-out chargesGuarantee RegistrationFanned Flue Boiler(SIT)This is a Cat I2H ApplianceBS
10221518L3 Water SystemsDiagram 3.2Diagram 3.30090M1m MIN.27m Max.PUMPHEATINGSYSTEMINDIRECTCYLINDER(Shown withrecommendedthermostat and valve).22mm VE
11221518LDiagram 3.53 LITRES (0.66 gals)MAKE-UP BOTTLE(if required)NON-RETURNVALVEAUTOAIRVENTFLOWDRAINCOCKBOILERSAFETYVALVE(Make-upalternatives)EXPANS
12221518L3 Water SystemsMETHOD 1METHOD 2METHOD 3SUPPLY STOPVALVESUPPLYPIPEHOSEUNIONSSERVICINGVALVETEMPORARYHOSEHEATINGSYSTEMHEATINGSYSTEMTEMPORARYHOSE
13221518L4 Flue and Appliance PreparationDiagram 4.1Diagram 4.2Diagram 4.3Standard Flue terminal illustrated.Standard Flue terminal illustrated.682768
14221518LDiagram 4.55mmTEMPLATEFLUECENTRELINEBOILERMOUNTINGBRACKETBOILERCENTRELINEMOUNTINGBRACKET FIXINGPOINTSFLUECENTRELINEBOILERCENTRELINETOP BOILER
15221518L4 Flue and Appliance PreparationDiagram 4.6Diagram 4.7FLUEDUCTBOILERCENTRELINET MINUS 188mm68336831QDiagram 4.8LONG FLUETERMINALSTANDARD FLUE
16221518LDiagram 4.10AIR DUCT/TERMINALAND FLUE DUCTASSEMBLY46164 Flue and Appliance PreparationDiagram 4.9BOILERCENTRELINELONG FLUETERMINALSTANDARDFLU
17221518L4 Flue and Appliance PreparationDiagram 4.11Diagram 4.12FOAMSEALFOAMSEALWALL THICKNESS-OVER 300mm10mmWALL THICKNESS-UP TO 300mmQ-25mmQQGASKET
18221518L5 Boiler InstallationDiagram 5.2Diagram 5.1CONTROLSCOVERWINGNUTFRONTCOVERSHAKEPROOFWASHER22mm HEATINGRETURN22x28 GRAVITYDOMESTICCONNECTION✽22
19221518L5 Boiler InstallationDiagram 5.4ELECTRICALCONNECTIONSREAR SECURING SCREW (2)(SLACKEN but do not remove)4084AIR PRESSURE TUBESCLEARREDSECURING
2221518LTesting and CertificationThis boiler is tested and certificated for safety and performance. It is therefore important that no alteration is m
20221518LDiagram 5.6Diagram 5.75 Boiler InstallationFLUEMANIFOLDSPIGOT(REAR FLUE OUTLET ILLUSTRATED)VERTICALREARRIGHTLEFTSCREW(2)JUBILEECLIPCutting &a
21221518LDiagram 5.85 Boiler InstallationSECURINGSCREWS (2)5739LIP BRACKET5.10 External ControlsMake sure that the supply cable and all external cable
22221518L6 CommissioningPlease ensure the “Benchmark” logbook is completed and leftwith the user.6.1 All SystemsCommissioning should be carried out by
23221518L6 CommissioningDiagram 6.3Diagram 6.4NOTE:PILOT SHIELDREMOVED FORCLARITYSPARK GAP2 to 4mm10 to 20mm FLAME LENGTH4138VIEWINGWINDOWSECURINGSCRE
24221518L6 CommissioningDiagram 6.5Diagram 6.6CONTROLSCOVERSLIDERSWINGNUTWASHERTOPSEALSIDESEALNOTE: MAKE SUREOF CORRECTENGAGEMENTNUT408141406.6 Testin
25221518L7 Instructions to the UserDiagram 8.1Diagram 8.2BAFFLE(6 off)SECURING SCREW REAR (2)(KEYHOLE SLOTS, SLACKEN SCREW)FLUEHOODSECURING SCREW (2)7
26221518L8 ServicingDiagram 8.4Diagram 8.5Diagram 8.6WING NUTMAINBURNERINJECTORPILOTBURNERSPRINGCLIPELECTRODEPILOTINJECTOR414141424143Diagram 8.3SECUR
27221518LDiagram 9.19 Fault FindingNEONINDICATORSNeon Indicators - An Aid to Fault FindingTHE NEON INDICATORS ARE AN AID TO FAULT FINDING ONLY. FAILU
28221518LDiagram 9.29 Fault FindingIs neon 1 lit?Is neon 2 lit?Correct power supply problem.Is there 230V~between 3 on thermostat and N ?Repl
29221518L9 Fault FindingDoes pump continue to run afterSL is interrupted?YESDoes pump stop after severalminutes?System satisfactory.Faulty PCB. Repla
3221518L4140Diagram 14625CONTROLS COVERDATA &SERIALNUMBERLABELRESETBUTTONVIEWING WINDOWSETTING POINTCONTROLTHERMOSTATKNOBGAS SERVICECOCK (ShownOff
30221518L9 Fault FindingFUSETYPE F1 & F2(F1A)AIR PRESSURE SWITCH CONNECTIONSSPARKELECTRODEO/H CUTOFFCONTROL STATFANAIRPRESSURESWITCHPILOTSOLENOIDM
31221518L9 Fault FindingDiagram 9.6KEY:b-BLUEbk - BLACKbr - BROWNg/y - GREEN/YELLOWor - ORANGEp-PURPLEr-REDy-YELLOWw-WHITEFANrryCNONCCHASSIS EARTHSLNL
32221518L9 Fault FindingDiagram 9.7SWITCH CONTROL,TIME SWITCH,PROGRAMMER ETC.(if fitted)CNOL9wywg/yK1K2FANg/yrrbkyAIRPRESSURESWITCHCHASSIS EARTHg/ywg/
33221518L10 Replacement of PartsCONTROLTHERMOSTATCONTROLKNOBELECTRICALCONNECTIONSYELLOW 2 & 3SPLITGROMMETRETAININGCLIPLOCKNUTELECTRICALCONN
34221518LDiagram 10.210 Replacement of PartsRETAININGCLIPCONTROLTHERMOSTATPHIALPHIALRETAININGBRACKETSECURINGSCREWOVERHEATCUTOFFDEVICEPHIALSPLITPINGLAN
35221518LELECTRICALPLUGPILOT PIPETUBING NUTEXTENDEDSECURINGSCREWS (8)RESTRICTORSECURINGSCREW10 Replacement of Parts10.8 Solenoid - diagram 10.3Remove
36221518LDiagram 10.5FRONT INSULATIONRETAININGSCREWSIDE INSULATIONREAR INSULATION410010 Replacement of Parts10.11 Insulation - diagram 10.5Combustion
37221518LDiagram 10.710 Replacement of PartsREDCLEARAIR PRESSURESWITCH TUBESSECURINGSCREWSAIRPRESSURESWITCHELECTRICALCONNECTIONSCONTROLBOX412210.13 Ai
38221518L11 Spare Parts11.1 Part IdentificationThe key number on the diagram and the list will help to identifythe part.11.2 OrderingWhen ordering any
39221518LDiagram 11.17910126451098711131415311 Spare Parts
4221518L500mmAdditional clearances may berequired for installation65mm6mm6mmFRONTVIEW100mm0081MSIDE ORREAR FLUE5mm5mmDiagram 2Instructions for UseBoil
40221518LBecause of our constant endeavour for improvement, details may vary slightly from those shown in these instructions.
5221518L1 General DataDiagram 1.1All dimensions are given in millimetres(except as noted)SIDE ELEVATION FRONT ELEVATIONJLMCLDNFGGHHFLOWGRAVITYRETURNPU
6221518L1 General Data1.4 B.S.I. CertificationThis boiler is certificated to the current issue of British Standard6332 Part 1, invoking the current is
7221518LMINIMUM CLEARANCES FROM WALLS,CEILING, FLOOR, CUPBOARD, WORKTOPSAND INFLAMMABLE MATERIALSDiagram 1.3500mmAdditional clearances may berequired
8221518L2 Flue and VentilationAAFGEAGGGB,CB,CFFKKKCGLLDiagram 2.1 MINIMUM SITING DIMENSIONS FOR FANNED FLUE TERMINALS POSITIONA DIRECTLY BELOW,
9221518LDiagram 3.13 Water Systems100075050025011.50051015 20 25 30Flow rate (litres/minute)Water pressure loss(mm head of water)6809The insertion poi
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