Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
DHW temperature selector to MAX
Disconnect 1 wire from the gas valve modureg and make safe
Attach pressure gauge to burner pressure test point
Disconnect 1 wire from the gas valve modureg and make safe
Attach pressure gauge to burner 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.
Does the burner ignite and sparking cease at minimum pressure of approximately 1.9 mb (N.G)?
(For L.P.G refer to ADAPT / data badge, burner pressure test point may also be different.)
 
Reconnect the modureg wire.
Mains Power On.
 
Allow fan to run and ignition sequence to commence.
After a short time the pressure should increase to its maximum of approximately 9.8 mb (N.G).
Note: When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Does the burner ignite and sparking cease at minimum pressure of approximately 1.9 mb (N.G)?
(For L.P.G refer to ADAPT / data badge, burner pressure test point may also be different.)
 
| Isolate Mains Power to appliance as per TOP's P4 |
Mains Power On.
 
Allow fan to run and ignition sequence to commence.
After a short time the pressure should increase to its maximum of approximately 9.8 mb (N.G).
Note: When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.