Set Appliance State:
CH Demand
Isolate Mains Power to appliance as per TOPs P4
Selector switch in CH & HW position
Connect a U-gauge to the Burner Pressure test point
Selector switch in CH & HW position
Connect a U-gauge to the Burner Pressure test point
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Is the Burner Pressure greater than the minimum setting of 4 mbars?
Note:
When U-gauge is removed pressure point should be tightened & checked for gas soundness.
Note:
When U-gauge is removed pressure point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary