Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach temperature clamps to boiler flow and return pipes as shown
Selector switch in CH & HW mode
Selector switch in CH & HW mode
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow ignition sequence to commence, burner to ignite and run for at least 2 minutes.
Measure the differential between the flow and return pipes.
It should be approximately 20°C or below.
Measure the differential between the flow and return pipes.
It should be approximately 20°C or below.