Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Gas Off
DHW Demand
Attach a U-gauge to the inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Press reset to cancel purge cycle countdown.
Allow the boiler to run its ignition sequence.
Is there a visible 'blip' on the U-gauge as the gas valve opens?
Note.
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Allow the boiler to run its ignition sequence.
Is there a visible 'blip' on the U-gauge as the gas valve opens?
Note.
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.