REPLACEMENT OF COMPONENTS
61 GENERAL
WHEN REPLACING ANY COMPONENT :
1.
Isolate the electricity supply.
2.
Turn off the gas supply.
IMPORTANT
When work is complete, if the sealing panel has been removed, it must be correctly refitted - ensuring that a good seal is made.
THE BOILER MUST NOT BE OPERATED IF THE SEALING PANEL IS NOT FITTED
Note. In order to replace components in Frames 74 to 82 it is necessary to drain the boiler. Refer to Frame 73.
62 FLUE THERMOSTAT REPLACEMENT
1.
Refer to Frame 61.
2.
Remove the boiler casing. Refer to Frame 54.
3.
Remove the boiler sealing panel. Refer to Frame 55.
4.
Disconnect the flue thermostat electrical leads.
42
SERVICING
5. Unscrew the thermostat from the side of the heat
exchanger.
6. Fit the new flue thermostat ,and re-assemble in reverse
order.
Systemiser SE -
Installation