68
DHW FILTER & DHW FLOW REGULATOR 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 59.
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. Rell the boiler. Refer to Frame 24.
10. Check Operation of the boiler. Refer to Frames 32-36.
6
1. Refer to Frame 45.
2. Isolate the mains cold water supply to the boiler.
3. Drain the boiler DHW circuit. Refer to Frame 59.
4. Remove the DHW ow turbine cartridge. Refer to Frame
64.
5. Unscrew the ow regulator housing.
6. Inspect the ow regulator for any blockage and remove if
necessary.
7. Reassemble in reverse order.
8. Rell the boiler. Refer to Frame 24.
9. Check Operation of the boiler. Refer to Frames 32-36.
5
5
67
CH WATER PRESSURE SENSOR REPLACEMENT
1. Refer to Frame 45.
2. Drain the boiler. Refer to frame 59.
3. Remove condensate trap/siphon. Refer to
Frame 55.
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. Rell the boiler. Refer to Frame 24.
10. Check Operation of the boiler. Refer to Frames
32-36.
6
4
SERVICING