Keston Combi 30 - Page 53

53
SERVICING
Keston Combi - Installation and Servicing
69 DHW FILTER CLEANING / REPLACEMENT
1. Refer to Frame 45.
2. Isolate the mains cold water supply to the
boiler.
3. Drain the boiler DHW circuit. Refer to
Frame 60.
4. Remove the DHW ow turbine cartridge.
Refer to Frame 64.
5. Unscrew the ow regulator housing.
6. Remove the lter.
7. Clean or replace lter as necessary.
8. Reassemble in reverse order.
9. Rell the boiler. Refer to Frame 22.
10. Check Operation of the boiler. Refer to
Frame 36.
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68 CH WATER PRESSURE SENSOR REPLACEMENT
1. Refer to Frame 45.
2. Drain the boiler. Refer to Frame 60.
3. Remove condensate trap/siphon. Refer to
Frame 56.
4. Using a suitable tool pull out the retaining clip.
5. Pull the pressure sensor upwards to remove.
6. Unplug the electrical connection and transfer to
the new pressure sensor.
7. Push the new pressure sensor onto the rear
pump housing and t retaining clip.
8. Reassemble in reverse order.
9. Rell the boiler. Refer to Frame 22.
10. Check Operation of the boiler. Refer to Frame
36.
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SERVICING
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