Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Heating temperature selector to OFF
Hot water temperature selector to maximum
Programmer or selector switch set to hot water only
Attach U-gauge to burner pressure test point
Hot water temperature selector to maximum
Programmer or selector switch set to hot water only
Attach U-gauge to burner pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow fan to run and burner to ignite.
Observe U-gauge, is the burner pressure approximately 14.5mb?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Observe U-gauge, is the burner pressure approximately 14.5mb?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary