Baxi Potterton Gold HE A Range manual General Layout

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		2.0	General Layout

			Layout
	2.1
	1.		Expansion Vessel
15	2.		Automatic Air Vent

	3.		DHW Plate Heat Exchanger
	4.		Circulation Pump
	5.		Drain Off Point
	6.		Pressure Relief Valve
	7.		Optional Integral Timer Position
13	8.		Central Heating System Pressure Gauge
	9.		PCB
16	10.		Control Box
	11.		3-Way Valve Assembly
20	12.		Condensate Trap

	13.		Flame Sensing Electrode
	14.		Spark Electrode
	15.		Primary Heat Exchanger
	16.		Fan Assembly
	17.		On/Off/Reset Selector Switch
	18.		Central Heating Temperature Control
	19.		Hot Water Temperature Control
	20.		Venturi
	21.		Air/Gas Collector
	22.		Combustion Box Cover & Burner
	23.		Igniter
	24.		Burner On Light
	25.		Central Heating Mode Light
	26.		Domestic Hot Water Mode Light
12	27.		Display

	28.		Integral Timer

11	2

25 26

Reset					2
Reset
					3
				0	4
					bar
17	27	24	18	19	8

2	1	12
3		11
4			10
5			9
PM			8
7			7
			7
8			AM
9		0	5
10			4
11		3
12	1	2

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Contents Installation & Service Instructions Natural Gas BS-EN ISO 9001 Accredited CompanyInstaller Notification Guidelines Scheme Members onlyCodes of Practice refer to the most recent version Important Installation, Commissioning, Service & RepairLegislation Safe Manual Handling GeneralPreparation TechniqueContents Description Contents of PackIntroduction General Layout LayoutPump Protection Frost Protection ModeAppliance Operation Technical Data Gold Combi 24, 28 & 33 HE aDimensions and Fixings OrientationFlue Ø 100mm Tap Rail 32.5 mm Condensate Drain 65 mm 22mm 15mmSystem Details InformationCentral Heating Circuit BypassPressure Relief Valve Fig System Filling and Pressurising FigExpansion Vessel Central Heating only Hard Water Areas Domestic Hot Water Circuit FigShowers Clearances Figs Site RequirementsLocation Site Requirement Ventilation of CompartmentsGas Supply Electrical SupplyCondensate Drain Flue Flue terminal guardFlue Options Horizontal FluesHorizontal Flue Systems This bend is equivalent to 1 metreVertical Flues Twin Pipe Twin & Vertical Flue SystemsMetre for each 91.5 bend Metre for each 135 bend This bend is equivalent to 1 metre5111079 Flue AccessoriesKey Accessory Size Code No For Twin Flue Systems fit the adaptors as follows Flue Duct AdaptorAir duct adaptor Flue Dimensions For Roof TerminalsFlue Trim Flue Deflector FigMetres Ring Adaptor Plume DisplacementPlume Displacement Kit Fig Additional Accessories Elbow 5121369 Elbow Pair 5121370 28/33Determining Permissible Lengths ExampleShown in . Complete the installation of the 60Ø General Fitting Notes30mm Exhaust, securing in the bracketsPlume Outlet Elbow Flushing InstallationUnpacking & Initial Preparation Loop and valves must be connected as shown in the diagram a Fitting the Filling LoopDouble Check Valve Stop Valve Temporary Filling Loop Hose Fitting Cold Inlet Stop ValveFitting The Boiler Fitting the Pressure Relief Discharge Pipe FigCondensate Drain see section Tighten all the connectionsFitting The Flue Wall Thickness WasteFlue Elbow Ensure Elbow is fully Engaged into BoilerEnsure Extension is Fully engaged into Boiler Adaptor Inner Flue Support BracketEnsure Flue is fully Engaged into Flue Elbow Making The Electrical Connections Preliminary Electrical ChecksTerminal Block Cover Cable ClampSelector Switch Display CommissioningCommissioning the Boiler Heat Exchanger Automatic Air Vent Screw PumpTemperature Control CheckingSetting the Timer Case Front Panel Facia Panel CompletionCompletion Servicing 13 .1 Annual ServicingViewing Window Annual ServicingBurner Spark and Sensing Electrodes Fig Changing ComponentsIgniter Fig Fan Fig Venturi FigInjector Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorExtension Piece Burner FigInsulation Fig Central Heating Temperature Sensor NTC Fig Safety Thermostat FigDHW Temperature Sensor NTC Fig Flue/Heat Exchanger Thermostat Sensor FigHeat Exchanger Automatic Air Vent Fig Pump Head Only FigPump Complete Fig Automatic Air Vent FigPressure Gauge Figs Hall Effect Sensor FigDiverter Valve Motor Unit & Assembly Figs Plate Heat Exchanger FigSelector Switch Fig 14.20 P.C.B. FigCompletely undo the screws securing the control box Pin FigVenturi Inlet Pipe Gas Valve FigExpansion Vessel Fig Checking the CO2 Temperature Control Selector Switch DisplayCombustion Check Illustrated Wiring Diagram ElectricalKey Description Manufacturers Short Parts ListShort Parts List Error Codes Fault FindingInitial Fault Finding Checks Error 133 flashing Reset position for 5 secondsDisplay illuminates Pump runsError 110 flashing Domestic Hot Water Follow operational sequenceTurn Domestic Hot Water Open DHW tap fullyPCB X3 connector terminals 3 Switch terminalFan jammed or faulty winding Replace PCB Is there 230V at Main terminals L and N Main terminal fuseGas at burner Replace gas valveTerminals 1 Ensure that the Hall Effect Sensor is in positionReplace heat exchanger Replace safety thermostatReplace PCB Is there 230V at GAS Boiler Commissioning Checklist Service Interval Record Brooks House, Coventry Road, Warwick. CV34 4LL UK Comp No 5116282 Iss 7 4/08