Set Appliance State:
CH Demand
Isolate Mains Power to appliance as per TOPs P4
Operating switch in Heating & Water position
Temperature control to Max
Connect the U gauge to the burner pressure test point
Operating switch in Heating & Water position
Temperature control to Max
Connect the U gauge to the burner pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Observe burner pressure, as main burner ignites it should remain at minimum pressure for approximately two minutes.
It should then increase to its set level over the next minute.
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
It should then increase to its set level over the next minute.
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
