Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach pressure gauge to the inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Light all other gas appliances at full rate (where applicable).
Monitor the inlet pressure while allowing the burner to ignite and the boiler to run with a DHW demand.
Does the inlet pressure remain satisfactory (above a minimum of 17mb)?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas tightness.
Monitor the inlet pressure while allowing the burner to ignite and the boiler to run with a DHW demand.
Does the inlet pressure remain satisfactory (above a minimum of 17mb)?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary