Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Selector Switch to Hot Water and Heating
Set DHW temperature selector to Max
Attach pressure gauge to the inlet pressure test point
Set DHW temperature selector to Max
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.
The inlet pressure should remain satisfactory throughout the ignition sequence and there should be a noticeable drop as sparking occurs (indicating the gas valve is opening).
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
The inlet pressure should remain satisfactory throughout the ignition sequence and there should be a noticeable drop as sparking occurs (indicating the gas valve is opening).
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
