Set Appliance State:
Gas Off
Set Boiler Control Thermostat to MAX position
CH Demand
Isolate Mains Power to appliance as per TOPs P4
Attach pressure gauge to inlet pressure test point
External controls calling
Attach pressure gauge to inlet pressure test point
External controls calling
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow ignition sequence to commence and sparking to occur.
Does the pressure gauge show a constant inlet pressure of at least 18 mb throughout the sequence?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Does the pressure gauge show a constant inlet pressure of at least 18 mb throughout the sequence?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary