Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Observation:
Inspect the DHW isolation valve to check that it is fully open.
INSPECTION DHW ISOLATION VALVE
Note:
The DHW isolation valve is fully open when the screwdriver slot is in line with the pipe.
The DHW isolation valve is fully open when the screwdriver slot is in line with the pipe.