Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Drain primary circuit of water
Remove flow and return pipes to condensing heat exchanger
Remove flow and return pipes to condensing heat exchanger
Measurement:
Inspect the heat exchanger water ways for restrictions and/or blockages.
Note:
1. To confirm no restrictions and/or blockages are present it may be necessary to remove the heat exchanger from the boiler and pour water through the heat exchanger to confirm it is unrestricted and/or blocked.
2. Before reassembly check the integrity of all disturbed gaskets and seals and replace as necessary.
Note:
1. To confirm no restrictions and/or blockages are present it may be necessary to remove the heat exchanger from the boiler and pour water through the heat exchanger to confirm it is unrestricted and/or blocked.
2. Before reassembly check the integrity of all disturbed gaskets and seals and replace as necessary.
Isolate as per TOPs P4
and refit as necessary