Glowworm Lighting 40 manual Printed Circuit Boards PCBs diagram, Control PCB diagram 14.3 top

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14 Replacement of Parts

14.3Printed Circuit Boards (PCBs): diagram

Release the control box as Section 9.

Control PCB: diagram 14.3 (top)

Disconnect the electrical plug on the board.

Release from its two support post and carefully pull the board away noting that the ignition lead is still connected.

It may be necessary to hold some of the wires above the PCB clear with an electrical screwdriver on removal or refitting.

Release and carefully pull the board away from its supports, noting that the ignition lead is still connected.

Disconnect the ignition lead.

Interconnecting PCB: (ICB) diagram 14.3 (bottom)

Disconnect the electrical plugs and cables from the terminal strip.

Release and carefully pull the board away from its supports.

When refitting refer to wiring diagram 13.2.

14.4 Control Thermostat and Overheat Cutoff

Release the control box, see Section 9.

Control Thermostat: diagram 14.4A and 14.4

Pull off the control thermostat and High/Low knobs. Remove the three fascia securing screws and fascia.

Remove the electrical connections from the control thermostat body.

Remove the two control thermostat securing screws. Release the gland plate assembly, see diagram 14.2.

Release and remove the control thermostat phial from the pocket.

Withdraw the capillary through the gland plate and controls box grommet.

Slide control thermostat body away from control box.

On replacement smear the phials with the heat sink compound supplied before replacing in the phial pocket.

When refitting refer to wiring diagram 13.2

Overheat Cutoff: diagram 14.4A and 14.4

Remove the electrical connections.

Remove the locking nut.

Release the gland plate assembly.

Release and remove the overheat cutoff phial from the pocket.

Withdraw the capillary through the gland plate and controls box grommet.

On replacement smear the phials with the heat sink compound supplied before replacing in the phial pocket.

When refitting refer to wiring diagram 13.2

Neatly secure any surplus capillary.

Flue Hood Overheat Cutoff: diagram 14.5

Remove electrical connections and unfasten the screws to release.

Note: the polarity of the connections is not important.

 

 

4065

ELECTRICAL

 

 

PLUG

 

 

 

SUPPORT

CONTROL

 

POST (2)

P.C.B.

IGNITION

 

 

LEAD

 

 

SUPPORT POST (4)

 

 

 

ELECTRICAL

TERMINAL

I.C.B

PLUG (5)

STRIP

Diagram 14.3

 

221834B

34

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Contents Guarantee Registration EnergysaverImportant Information CE MarkInstructions for Use Boiler Clearances Boilers Installed in a Compartment or CupboardCleaning Protection Against FreezingTo Turn the Boiler Off Overheat Safety CutoffTo Turn the Boiler On Condensation PlumingBSI Certification GeneralSheet Metal Parts Statutory Requirements Range RatingCondensate Gas SupplyElectrical Supply Heating System ControlsWater System Expansion Vessel Flow Boiler MAXWater Makeup Water SytemPressure Gauge Filling a Sealed Water SystemBoiler Location Flue Rear Flue LengthsTerminal Position Terminal GuardPreparation Unpacking diagramRear and Side Flue Application Flue Hole Cutting Wall Mounting BracketWater Connections Water and Condensate ConnectionsCondensate Connection Flue Installation Flue Duct Wall Liner If a wall liner is used, fit self adhesive seal as followsGas Connection Electrical ConnectionTesting Electrical Pump and External Controls ConnectionCommissioning Initial Lighting, Testing and AdjustmentTesting Gas Preliminaries-All SystemsCondensate Check User InformationHeating System Operational ChecksHeat Exchanger Cleaning ServicingSpark Electrode BurnerInjector Condensate DrainElectrical Fault FindingCondensate Sensor Pump Overrun Operation Is there YES Faulty PCB flame detection Faulty injector ReplaceDoes High neon light ? KEY Fault Finding Ignition Lead diagram Replacement of PartsCondensate Sensor diagram Interconnecting PCB ICB diagram 14.3 bottom Printed Circuit Boards PCBs diagramControl PCB diagram 14.3 top Control Thermostat diagram 14.4AHigh/Low Control diagram 14.4 Air Pressure Switch diagramHeat Exchanger Secondary diagram Multifunctional Control diagramHeat Exchanger diagram 14.8 FanHeat Exchanger Primary diagram Burner diagramInsulation Sides diagram Insulation Rear diagramInsulation Combustion Chamber Front Panel diagram Viewing Window Glass diagramSpare Parts Spare PartsDescription GC Part No 6291

40 specifications

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