Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
1. Attach a tube to the - port of the telegan and connect it to the top signal pressure test point on the gas valve
2. Attach another tube to the + port of the telegan and connect it to the bottom signal pressure test point on the gas valve
2. Attach another tube to the + port of the telegan and connect it to the bottom signal pressure test point on the gas valve
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow fan to run and burner to ignite.
Carry out a fan differential pressure test.
Does display show a differential pressure of at least 4 mb?
Note:
When the tubes are removed pressure test points should be tightened & checked for gas soundness.
Carry out a fan differential pressure test.
Does display show a differential pressure of at least 4 mb?
Note:
When the tubes are removed pressure test points should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary