Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Apply CH demand
Attach pressure gauge to the inlet pressure test point
Attach pressure gauge to the inlet pressure test point
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Allow fan to run and ignition sequence to commence and burner to ignite
Does the pressure gauge show a pressure of at least 18mb throughout the ignition sequence?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness
Does the pressure gauge show a pressure of at least 18mb throughout the ignition sequence?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness
Isolate as per TOPs P4
and refit as necessary