Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach pressure gauge to positive pressure test point
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Boiler switch ON.
Reset as necessary.
Allow fan to start.
Does the fan run and the pressure gauge show a pressure of 1.5 mb?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for soundness.
Reset as necessary.
Allow fan to start.
Does the fan run and the pressure gauge show a pressure of 1.5 mb?
Note:
When pressure gauge is removed pressure test point should be tightened & checked for soundness.
Isolate as per TOPs P4
and refit as necessary