Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Isolate and drain the DHW circuit
Isolate and drain the primary circuit
Remove the plate heat exchanger
Isolate and drain the primary circuit
Remove the plate heat exchanger
Observation:
Visually inspect the domestic waterways of the plate heat exchanger.
They should be clear and unrestricted.
Are the plate heat exchanger domestic waterways satisfactory?
They should be clear and unrestricted.
Are the plate heat exchanger domestic waterways satisfactory?
Isolate as per TOPs P4
and refit as necessary