Set Appliance State:
CH Demand
Isolate Mains Power to appliance as per TOPs P4
Air heater switch set to constant
Remove sealing panel
The air heating gas valve is the lower of the two gas valves
Attach a U-gauge to the burner pressure test point
Air heater switch set to constant
Remove sealing panel
The air heating gas valve is the lower of the two gas valves
Attach a U-gauge to the burner pressure test point
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow the ignition sequence to commence and burner to ignite.
Observe the U-gauge. Does the outlet pressure remain constant at approximately 9.0-15.0 mbar?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Observe the U-gauge. Does the outlet pressure remain constant at approximately 9.0-15.0 mbar?
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