Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach temperature clamps to the flow and return pipes of
the primary heat exchanger (as indicated by the red arrows)
the primary heat exchanger (as indicated by the red arrows)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow the boiler to run for central heating.
Measure the temperature differential across the flow and return pipes.
Expect a temperature differential of approximately 20°C or less.
Measure the temperature differential across the flow and return pipes.
Expect a temperature differential of approximately 20°C or less.