Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach temperature clamps to flow pipe just below the low pressure switch and the return pipe just above the pump nut as indicated by the red arrows
Boiler CH thermostat set to MAX
Boiler CH thermostat set to MAX
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the burner to ignite and the boiler to run in central heating mode and the system to heat up.
Measure the temperature differential between the flow and return pipes.
Expect a differential of approximately 25°C or less. Is the differential as expected?
Measure the temperature differential between the flow and return pipes.
Expect a differential of approximately 25°C or less. Is the differential as expected?