SERVICE AND SPARES
6 720 644 743a (2010/10)
52
6.8.4 FLUE OVERHEAT THERMOSTAT
(WITH GROMMET)
To remove and replace the thermostat either:
B Using a small terminal screwdriver, prise the
thermostat and grommet from the plastic housing.
Take care not to damage the grommet or plastic
housing.
-or-
1. Release the flue connection from the sump.
2. Push the flue tube up.
Fig. 86 Lower exhaust section
B Remove electrical connections.
B Push the flue limit thermostat in from the sump.
B Retrieve the thermostat from the sump well.
Fig. 87 Remove thermostat
To replace, push the thermostat and grommet gently
back into the opening until contact with the locating
ridge is felt.
6.8.5 MOVING CONTROLS TO SERVICE POSITION
1. Remove the screw securing control panel.
2. Gently pull the panel forward.
Fig. 88 Control panel to service position
6720643895-71.1Wo
2.
1.
6720643895-70.1Wo
1.
To remove the following components
require the control box must be moved in to
the service position:
B Gas valve
B Syphon
B PCB
B Fuse
B Transformer
NOTICE: REPLACEMENT OF THE GAS
VALVE MUST NOT BE CARRIED OUT IF A
CO/CO
2
ANALYSER IS NOT AVAILABLE.
2.
1.
6720643895-39.1Wo