sERVICINg
76
DhW FILTER AND FLOW REgULATOR CLEANINg/REpLACEMENT
77
FLOW ThERMIsTOR REpLACEMENT
1. Refer to Frames 45 & 46.
2. Refer to Frame 53.
3. Isolate the DHW supply to the boiler.
4. Drain the DHW system. Refer to Frame 67.
5. Remove the DHW Flow Turbine Sensor. See Frame 71.
6. Using a spanner remove the DHW ow turbine cartridge.
7. Unscrew the ow regulator housing.
8. Remove the lter.
9. Clean or replace as necessary.
10. Ret in reverse order.
11. Open the isolating valves and rell DHW system. Refer
to Frame 67.
12. Check the operation of the boiler. Refer to Frames 33-36.
1. Refer to Frames 45 & 46.
2. Refer to Frame 53.
3. Unclip the ow thermistor.
4. Disconnect the electrical lead from the thermistor.
5. Reconnect the electrical lead to the new thermistor and
reassemble in reverse order, ensuring that the thermistor
is securely tted to the pipe on the thermistor locator tabs
as shown.
6. Check the operation of the boiler. Refer to Frames 33-36.
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