53
REpLACEMENT OF COMpONENTs
54
FAN REpLACEMENT
1. Refer to Frames 45 & 46.
2. Refer to Frame 53.
3. Remove the ignition, detection and earth leads.
4. Remove the 2 clips securing the gas inlet pipe and
remove the pipe.
5. Remove the fan leads.
6. Remove the 4 securing nuts retaining the burner/fan
assembly.
7. Remove the assembly from the heat exchanger.
8. To remove the venturi release the 2 securing screws.
9. To remove the fan release the 3 screws securing the
fan to the burner.
10. Replace the fan and ret the venturi checking
the sealing gasket is undamaged or replace as
necessary, and secure with the 2 screws
*Note a noise damper is tted to the venturi inlet on
c40 and c32 models
*Note a mounting spacer is tted to the fan outlet on
c40.
11. Check the operation of the boiler. Refer to Frames
33-36.
When replacing ANY component
1. Isolate the electrical supply
2. Isolate the water connections
3. Turn off the gas supply
4. Remove the front panel
5. Swing the control panel down into the service position
After replacing ANY component check operation of the boiler,
including gas tightness, gas rate and combustion test.
3
4
4
6
6
8
Noise Damper
Fitted only to c40
& c32 models
Mounting Spacer
Fitted only to c40
9
iMPOr TanT. when work is complete, the front
panel must be correctly retted - ensuring that a
good seal is made.
ThE BOILER MUsT NOT BE OpERATED
WIThOUT ThE FRONT p ANEL FITTED.
5
sERVICINgsERVICINg
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