Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
Attach the pressure gauge to the outlet pressure test point
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow the fan to run and boiler to attempt ignition.
Monitor the pressure from the fan, the pressure gauge will read negative and should reach a pressure of at least 0.8mb.
Repeat the test as necessary by resetting the appliance.
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Monitor the pressure from the fan, the pressure gauge will read negative and should reach a pressure of at least 0.8mb.
Repeat the test as necessary by resetting the appliance.
Note:
When pressure gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary