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20
SERVICE INTERVALS
ACV recommends that boilers should be serviced at least once a year.
The burner must be serviced and tested by a competent engineer.
If a boiler is subject to heavy use, it may require servicing more than
once a year - consult ACV for advice.
SERVICING THE BOILER
1. Turn OFF the on/off switch on the boiler control panel and isolate
external electrical supply.
2. Turn off the gas or oil supply to the boiler.
3. Remove the flue to gain access to the top of the boiler.
4. Remove the casing top panel and lift off the flue reduction collar
by undoing the fastening bolts.
5. Remove the turbulators from the flue pipes for cleaning.
6. Unscrew the burner chamber plate and remove the burner.
7. Brush the flue pipes .
8. Clean the burner chamber and the burner.
9. Re-assemble turbulators, flue reduction collar and flue, checking
that the gasket on the flue reduction collar is in good condition.
Replace gasket if necessary.
MAINTENANCE
Casing top panel
Chimney flue
Flue reduction collar
Burner chamber
Burner chamber plate
Flue pipe and turbulators