Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Disconnect the 4 wire connector to the fan and make safe
Loosen the screw of the P-Out test point on the gas valve
Attach a pressure gauge to the test point
Loosen the screw of the P-Out test point on the gas valve
Attach a pressure gauge to the test point
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
As fan speed control has been disconnected the fan will run at maximum output.
A pressure of approximately -9mbar or greater (e.g. -9.5mbar) should be seen.
Note:
After test remove the gauge and make sure all disturbed gas connections are checked for tightness.
A pressure of approximately -9mbar or greater (e.g. -9.5mbar) should be seen.
Note:
After test remove the gauge and make sure all disturbed gas connections are checked for tightness.
Isolate as per TOPs P4
and refit as necessary