Hamworthy Purewell VariHeat 65he Installation, Comissioning And Servicing Instructions page 5

APPENDIX A GAS DATA .............................................................................................................................45
APPENDIX B ELECTRICAL CONNECTIONS AND CONTROLS ...............................................................46
APPENDIX C FLUE DATA............................................................................................................................48
APPENDIX D VENTILATION ........................................................................................................................51
APPENDIX E WATER DATA ........................................................................................................................52
Figure 2.1 Boiler Delivery ...........................................................................................................................2
Figure 2.2 Boiler Package Dimensions ......................................................................................................3
Figure 2.3 Header Kit Package Dimensions ..............................................................................................3
Figure 3.1 Dimensions and Clearances .....................................................................................................4
Figure 3.2.1 Manifold Dimensions for a 2 Boiler Installation.........................................................................4
Figure 3.2.2 Manifold Dimensions for a 3 Boiler Installation.........................................................................5
Figure 3.2.3 Manifold Dimensions for a 4 Boiler Installation.........................................................................5
Figure 4.2 Gas Connection Point ...............................................................................................................6
Figure 4.3 Flue Connection Point...............................................................................................................7
Figure 4.4 Water Connection Points ..........................................................................................................8
Figure 4.5.1 Boiler Condensate Connection .................................................................................................9
Figure 4.5.2 Boiler Condensate Connection .................................................................................................9
Figure 4.6 Electrical Connections ............................................................................................................10
Figure 5.2.1 Rear Water Connections.........................................................................................................11
Figure 7.1.1 Test Point Locations On Gas Valves ......................................................................................14
Figure 7.1.2 Gas System Leak Check ........................................................................................................14
Figure 7.2.1 Location Gas Isolating Valve / Safety Temperature Limiter ..................................................15
Figure 7.3.1 Boiler Display With Low Inlet Gas Pressure Error .................................................................16
Figure 7.3.2 Low Gas Pressure Switch......................................................................................................16
Figure 7.3.3 Boiler Display With Low Inlet Gas Pressure Lock-out ...........................................................16
Figure 7.3.4 Display For Boiler Ignition .......................................................................................................16
Figure 7.4.1 Removal of Sample Point Plug ...............................................................................................18
Figure 7.4.2 Combustion Analyser Probe setting .......................................................................................18
Figure 7.4.3 Fan Assembly PV65he/PV85he High fire / Low Fire Adjustment ...........................................19
Figure 7.4.4 Fan Assembly PV105he/PV125he High Fire / Low Fire Adjustment......................................19
Figure 8.1 General Overview Of Boiler Fascia Panel ............................................................................20
Figure 8.1.2 General Overview Of Boiler Controls....................................................................................21
Figure 8.2 System Configuration Of Boiler Control (LMU) & System Peripherals ...................................21
Figure 8.2.12 Info Display Parameters .......................................................................................................23
Figure 8.2.1.3 Operation & Display Philosophy .........................................................................................24
Figure 8.2.2 Screen Legend........................................................................................................................25
Figure 8.2.3.1 Default Display ......................................................................................................................26
Figure 8.2.3.2 Display Of Status Code ........................................................................................................26
Figure 8.2.4 Display of Lockout Code......................................................................................................27
Figure 8.2.5 Heating Circuit Setpoint Temperature ................................................................................27
Figure 8.2.6 Overview Of End User Parameters .....................................................................................28
Figure 8.2.8 Error Codes............................................................................................................................30
Figure 8.2.9 Operating Mode Sysmbols...................................................................................................31
Figure 8.3.11 Operating Phases .................................................................................................................34
Figure 9.0 Wiring Schematic..................................................................................................................35
Figure 11.1 HIS & Flame Probe Sensing.................................................................................................39
Figure 11.2 Gas Valve Assembly Models PV65he/PV85he ......................................................................39
Figure 11.3 Combustion System Assembly PV65he/PV85he ..................................................................40
Figure 11.4 Combustion System Assembly PV105he/PV125he...........................................................40
Figure 11.5 Gas Train Assembly .............................................................................................................40
Figure 11.6 Casing Assembly ..................................................................................................................41
Figure 11.7 Secondary Heat Exchanger Assembly ..................................................................................42
Figure 11.8 Heat Exchanger Assembly PV65he/PV85he..........................................................................42
Figure 11.9 Heat Exchanger Assembly PV105he/PV125he......................................................................41
HAMWORTHY HEATING LTD
APPENDICES
PICTORIAL AND DIAGRAMATICAL DATA
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PUREWELL VariHeat he
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3
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500001170/K