Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach pressure gauge to inlet pressure test point
External controls calling
External controls calling
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 and sparking to occur.
Does the pressure gauge show an inlet pressure of at least 18 mb throughout the sequence?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Allow ignition sequence to commence and sparking to occur.
Does the pressure gauge show an inlet pressure of at least 18 mb throughout the sequence?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary