Set Appliance State:
Mains Power Off
Mains Reset Switch OFF
Ensure the boiler is cool so that there is demand for preheat
Set DHW temperature selector to ECO
Set DHW temperature selector to ECO
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Mains reset switch On.
Allow pump to run.
After approximately 10 - 20 seconds does the combustion fan start to run?
Allow pump to run.
After approximately 10 - 20 seconds does the combustion fan start to run?