Hepworth Heating Ltd.,Nottingham Road, Belper, Derbyshire. DE56 1JTGeneral/Sales enquiries:Tel: (01773) 824141 Fax: (01773) 820569One Contact Local S
10221758AFit the distributor tube, see diagram 4.2 or 4.4 for location, seediagram 4.3 for alignment. Fit appropriate fittings and plugs intothe boil
11 221758ASIDE CASINGS FITTINGDiagram 5.21018LOCATINGLUG ANDSLOTNo. 8SCREW (2)No. 8SCREW (2)CASINGBRACKETCASINGBRACKETBOILERPLINTH5 Casing Location
12221758AAPAPPPCBCBCBCB230(9)25(1)230(9)230(9)6.1 Control Box Cable ConnectionRemove the screw and cover from the mains inlet connector,see diagram 6.
13 221758A7 CommissioningPlease ensure the “Benchmark” logbook is completed and leftwith the user.7.1 PreliminariesThe whole of the system, with the
14221758A7 CommissioningHideaway 120 - 4.4 to 5.2m3/h 125 to 148ft3/hThese figures are for guidance only.Stick the self adhesive arrow indicator, fro
15 221758A8 ServicingServicing must be carried out by a competent person.Before starting any servicing, turn off the gas and electricalsupply to the
16221758A8 Servicing8.3 Burners and InjectorsFollow instructions to remove the cover, burner and controlsassembly as described in Section 8.2.Remove
17 221758A9 Replacement of PartsBefore removing or replacing any parts turn off the gas andelectrical supplies to the boiler.Always test for gas so
18221758A9.7 Boiler ThermostatFollow the relevant instructions in Section 8.1.Remove the mains inlet connector by pulling downwards, seediagram 8.1.Re
19 221758A9 Replacement of Parts9.8 Piezo UnitPull door forward at the top to disengage the studs and lift torelease from slots, see diagram 7.3.Re
2221758ANotes and General InformationPlease read these instructions and follow them carefully for thesafe and economical use of your boiler.The boiler
20221758A9 Replacement of PartsPHIAL ASSEMBLY REMOVALDiagram 9.8LOCATION STUDSECURING NUT6298PHIALPHIAL ASSEMBLYFUNCTIONAL FLOW WIRINGDiagram 10.11
21 221758A10 Fault Finding - ElectricalDiagram 10.2ELECTRICAL FAULT FINDINGFaulty gas valve.Replace.Turn boiler thermostat to "O'.Does mai
22221758ARe-connect boiler flue blockage safety device to points A and B. Disconnect thermocouple at connection point D of the gas valve. Test conti
23 221758A10 Fault Finding - PilotDiagram 10.6PILOT / IGNITION FAULT FINDING0905ASTART HERECheck gas line - open all cocks,rectify any blockages, pu
24221758A11 Spare Parts1 203323 Gas control valve 394 3482 205746 Injector - 120 x23 203414 Pilot burner 312 2464 203508 Injector - pilot 395 6745 9
3 221758AWarningMake sure that nothing obstructs the rear side grilles orclearances. See diagram 1.2 and 1.3 for minimum clearances.Boilers Installed
4221758ASafety DeviceThis appliance is fitted with a flue blockage safety device whichwill shut down the appliance in the event of abnormal fluecondit
5 221758ADiagram 1.1GENERAL DIMENSIONS - given in millimetres (Approx. inches)RANGE RATINGHIDEAWAY 120NOMINALkWHEAT INPUT(GROSS)Btu/h37.10 40.5 43.96
6221758A1 General1.4 B.S.I. CertificationThis boiler is certificated by B.S.I. for safety and performance.It is, therefore, important that no alterat
7 221758A1.00.80.60.40.20302010001020 3040 50FLOW RATE (LITRES/MINUTE)WATER PRESSURE LOSS(metre HEAD OF WATER)WATER PRESSURE LOSS(INCHES HEAD OF WATER
8221758AImportant NoteThe boiler is fitted with a Flue Blockage Safety Device, whichwill shut down the boiler if there is an unacceptable spillage ofp
9 221758A4 InstallationCASING BRACKETS FITTINGDiagram 4.11000CAPTIVENUTCASINGBRACKETCAPTIVENUTCASINGBRACKETNo.8 SCREW (8)Before fitting the boiler ma
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