Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach temperature probes to the flow and return pipes as indicated by the red arrows
Run DHW tap at a flow rate of approximately 9.8 l/min
Attach a U gauge to burner pressure test point
Run DHW tap at a flow rate of approximately 9.8 l/min
Attach a U gauge to burner pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the boiler to run for a couple of minutes.
Expect a differential temperature of approx. 20°C or less.
Also monitor the burner pressure, it should remain steady and not modulate down prematurely before the hot water temperature is reached.
Is the differential as expected?
Expect a differential temperature of approx. 20°C or less.
Also monitor the burner pressure, it should remain steady and not modulate down prematurely before the hot water temperature is reached.
Is the differential as expected?
