Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach U-gauge to burner pressure test point
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow fan to run and burner to ignite.
Does the U-gauge show a positive burner pressure for at least 15 seconds signifying flame proving has taken place?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas tightness.
Does the U-gauge show a positive burner pressure for at least 15 seconds signifying flame proving has taken place?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary