Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Disconnect the 4 pin plug from the fan and make safe
Attach U-gauge to POUT at the top left of the gas valve
Attach U-gauge to POUT at the top left of the gas valve
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Fan will run at maximum speed.
Does the U-gauge show a fan pressure
of approximately 4.5mb or greater?
Note:
When U-gauge is removed ensure all disturbed
joints are checked for gas tightness.
Does the U-gauge show a fan pressure
of approximately 4.5mb or greater?
Note:
When U-gauge is removed ensure all disturbed
joints are checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary