Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Set Boiler Control Thermostat to MAX position
Attach pressure gauge to burner pressure test point
Attach pressure gauge to burner pressure test point
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Reset boiler as necessary.
Allow ignition sequence to commence.
The pressure gauge should show a soft light pressure of approx. 4.5mb, then rise to its set burner pressure between 9.8mb and 12.5mb.
Does the soft light and burner pressures behave as above ?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Allow ignition sequence to commence.
The pressure gauge should show a soft light pressure of approx. 4.5mb, then rise to its set burner pressure between 9.8mb and 12.5mb.
Does the soft light and burner pressures behave as above ?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
