Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
CH temperature control to max
Attach pressure gauge to gas pressure inlet test point located underneath the boiler
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset appliance if required.
Allow appliance to commence its ignition sequence.
Does the pressure gauge show an acceptable minimum gas inlet pressure of at least 18 mbar throughout the ignition sequence?
Note:
1. Reset appliance as required until test complete.
2. When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Allow appliance to commence its ignition sequence.
Does the pressure gauge show an acceptable minimum gas inlet pressure of at least 18 mbar throughout the ignition sequence?
Note:
1. Reset appliance as required until test complete.
2. 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