Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Isolate DHW cold feed to boiler
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow self-check to complete.
Does the boiler still fire with the DHW cold feed isolated?
Does the boiler still fire with the DHW cold feed isolated?
