Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Isolate the DHW supply to the appliance on the
isolating valve underneath the appliance
isolating valve underneath the appliance
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow fan purge to complete (2 minutes).
Does the appliance still try to fire for DHW?
Does the appliance still try to fire for DHW?
