Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Ensure both filling loop valves are fully closed
Unscrew filling loop on the DHW inlet side (pipe with blue isolation valve)
Unscrew filling loop on the DHW inlet side (pipe with blue isolation valve)
Observation:
Check the filling loop is not passing.
Note:
If any external filling loops are fitted these should also be checked.
Note:
If any external filling loops are fitted these should also be checked.
