Baxi Potterton Gold FSB 30 HE manual Changing Components

Page 44

Control

Knob

Fig. 48

Plastic Button

Cover

Hinge open

PCB Housing

Blue (CN11) Jumper

Red (CN12) Jumper

15.0 Changing Components

15.6 PCB (Figs. 48 & 49)

WARNING: The PCB Control and Fan Assembly are 325 Vdc. Isolate system controls before access.

1. Pull the control knob off the spindle and remove the plastic button cover. Refit them onto the new PCB (Fig. 48).

2. Remove the top right hand securing screw and swing out the PCB housing. Remove the PCB cover and disconnect the electrical plugs noting their positions

3. Remove the screw securing the PCB to the housing. The PCB can be removed from the housing.

4. Ensure that the two jumpers are fitted to the new PCB as shown (Fig. 49).

PCB Housing Securing

Screw5. Reconnect the plugs, fit the new PCB to the housing and reassemble in reverse order.

Fig. 49

44© Baxi Heating UK Ltd 2011

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Contents
FSB 30 HE Natural Gas Potterton Gold FSB 30 HE No 592Installer Notification Guidelines Scheme Members onlyImportant Installation, Commissioning, Service & Repair Gas Safety Installation & Use RegulationsLegislation Codes of Practice, most recent version should be usedContents Important Information IntroductionDescription Flow Temperature Thermistor Red Position of Optional Integral Timer WiringGeneral Layout Layout Figs , 4, 5All TRVs Shut Down ? Minute Anti-cycle Boiler OperationBoiler Operation Ipxx Technical DataCAT I 2H Dimensions and Fixings Treatment of Water Circulating Systems System DetailsWater Circulating Systems Air Vents Low Head InstallationPipework System Controls & Wiring Sealed Systems Fig Compartment Site RequirementsLocation Clearances Figs &16 Gas SupplyElectrical Supply 5mm Min 500mm Min For Servicing Purposes 390mmCondensate Drain General Condensate DisposalSite Requirement Sink± 10 from vertical Blockage or restriction of the pipe into the drainFlue MINFlue Options Horizontal Flue System ExamplesHorizontal Flue Systems This bend is equivalent to 0.5 metreVertical Flue System Examples Twin Pipe Twin & Vertical Flue SystemsTotal equivalent length 17.2 + 34.4 = 51.6 metresFlue Accessories CDSFlue Group B Flue Group PFor Twin Flues For Vertical Flues For Vertical Flue SystemsFor Twin Flue Systems Flue Dimensions For Roof TerminalsTerminal Guard Fig Flue Deflector aPlume Displacement Plume Displacement Kit P.D.KDetermining Permissible Lengths P.D.K This section of the flue Must be horizontal General Fitting Notes P.D.KMin metres Min .3 metres Fig. H Installation Fitting the Standard Flue Flue Inner Flue Support BracketInner Flue Support Bracket Flue Elbow Gasket Flue Trim PointsMaking the Condensate Drain ConnectionIntegral Programmer Making The Electrical ConnectionsCable Clamp Way Terminal Block Schematic Wiring Diagram ElectricalGreen/Yellow Fuse 3.15 ATIllustrated Wiring Diagram PCBPriming the Condensate Pump Commissioning the BoilerCommissioning the Boiler Check the Operational Working Gas Inlet Pressure 13.2 ‘Benchmark’ Checklist CompletionFitting The Case Panels & Facia HandoverServicing the Boiler Annual ServicingAnnual Servicing Inspection Air Box Door Panel Spark SleeveEarth Combustion Box Door Panel InsulationPipe may be removed to increase access Cracks/damage. Clean with a soft brushLock Nut Service Drain Plug Central Insulation Panel To it FigChanging Components & Preparation Flow Temperature Thermistor and Safety Thermostat FigChanging Components Condensate Pump Complete a ClipDrain the boiler see .1 paragraph 2 Check operation of the pump See SectionChanging Components Spark and Sensing Electrodes Fig Injector Pipe Fig Gas Valve FigCondensate Trap Fig Securing Nut Sensor Leads Condensate Trap Lock NutCombustion Box Door Panel Burner Support Bracket Heat Exchanger Manifold AssemblyHeat Exchanger Burner Securing Screws Key Description Short Parts ListShort Parts List Fault Finding 240V at a ? 240V at B ?240V at C ? 240V at D ?Wires from inline Connector to PCB faulty Viewed from Wire Entry end Replace Flow SwitchSystem full of water ? Pump running ?Wiring from PCB Rectify wiringReplace PCB Way Connector Lead from PCB to Gas Valve faulty Is there Gas at gas valve inlet ?Lights On Off Replace Stat Replace fan Lights Rectify wiring Viewed from Wire Entry end YES ‘C’ ‘D’ ‘B’‘A’ Condensing Boilers only Service Record Potterton Brooks House, Coventry Road, Warwick. CV34 4LL Comp No 6/11