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
(Upper of the two ports on the right hand side by the solenoid)
(Upper of the two ports on the right hand side by the solenoid)
| 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 soundness.
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 soundness.
Isolate as per TOPs P4
and refit as necessary