Set Appliance State:
Mode selector switch to Off/Reset position
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
Attach U-gauge to burner pressure test point
Attach U-gauge to burner pressure test point
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Mode selector switch to DHW position.
Allow fan to run and burner to ignite.
Does the U-gauge show a positive burner pressure of approx. 3.5mb at ignition and then rise, signifying that flame proving has taken place?
Note:
When U-gauge is removed pressure test point should
be tightened & checked for gas soundness.
Allow fan to run and burner to ignite.
Does the U-gauge show a positive burner pressure of approx. 3.5mb at ignition and then rise, signifying that flame proving has taken place?
Note:
When U-gauge is removed pressure test point should
be tightened & checked for gas soundness.
