Set Appliance State:
Mode selector switch to Off/Reset position
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
Hot water temperature control set to maximum
Attach U-gauge to burner pressure test point
Hot water temperature control set to maximum
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.
With a DHW demand is there a positive ignition pressure?
Ignition burner pressure should be approximately 0.7 mbar.
Note:
When U-gauge is removed pressure test point should
be tightened & checked for gas soundness.
With a DHW demand is there a positive ignition pressure?
Ignition burner pressure should be approximately 0.7 mbar.
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