Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach temperature clamps as indicated by the red arrows
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow fan purge to complete (2 minutes).
Turn hot water tap on.
Allow the burner to ignite and the boiler to start to heat the DHW, measure the temperature differential between the flow and return pipes to the primary heat exchanger.
Expect a temperature differential of approximately 25°C or less.
Is the temperature differential as expected?
Turn hot water tap on.
Allow the burner to ignite and the boiler to start to heat the DHW, measure the temperature differential between the flow and return pipes to the primary heat exchanger.
Expect a temperature differential of approximately 25°C or less.
Is the temperature differential as expected?