Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Boiler ON/OFF Switch OFF
CH Temperature Selector OFF
DHW Temperature Selector to Max
Attach U-gauge to the outlet pressure test point on Gas Valve
CH Temperature Selector OFF
DHW Temperature Selector to Max
Attach U-gauge to the outlet pressure test point on Gas Valve
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Boiler ON/OFF Switch ON.
Allow fan to run and ignition sequence to commence
Does the burner ignite and after approximately 4 seconds does Burner Pressure increase to approximately 34.7mb?
Note: When U-gauge is removed pressure test point should be tightened & checked for gas soundness
Allow fan to run and ignition sequence to commence
Does the burner ignite and after approximately 4 seconds does Burner Pressure increase to approximately 34.7mb?
Note: When U-gauge is removed pressure test point should be tightened & checked for gas soundness
