31
2000225065A
Diagram 12.9
9183
DOMESTIC
HOT WATER
FILTER
HOUSING
SECURING
CLIP
PUMP
12 Servicing
Diagram 12.8
9948
CAP
SEAL
SIPHON
ADAPTER
CONDENSE
TRAP
FLOAT
SCREW
12.7 Domestic Cold Water Inlet Filter
If the water flow rate through the appliance has reduced it may
be necessary to clean or replace the water inlet filter.
Turn off the electrical supply to the boiler.
Refer to section 12.10 and drain the domestic hot water circuit.
Slide out the securing clip, which holds the filter in its housing
to the left of the pump, remove the filter to clean or renew if
necessary, see diagram 12.9.
Replace the filter into its housing and replace the securing clip.
Open the cold water isolating valve and test the Domestic Hot
Water circuit for soundness.
Check for leaks.
12.8 Central Heating Filter
Turn off the electrical supply to the boiler.
Refer to section 12.9 and drain the heating circuit of the boiler.
Remove the filter retaining clip and filter clean or renew if
necessary, see diagram 12.10.
Refit the filter, ensuring the correct orientation. The flat and hole
in the filter as shown in diagram 12.10. Secure with retaining
clip.
Open the heating flow and return isolating valves and refill, vent
and pressurise the heating circuit. See section 11.2.
Check for leaks.
