Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Turn Hot Water Tap On
Attach U-gauge to gas inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset boiler as necessary and allow the
appliance to complete its self check.
Observe the inlet pressure.
Pressure should remain above 16.5mb (28mb for LPG) throughout the boiler ignition sequence and operation.
Note:
When pressure gauge is removed the test point should be tightened and checked for gas soundness.
appliance to complete its self check.
Observe the inlet pressure.
Pressure should remain above 16.5mb (28mb for LPG) throughout the boiler ignition sequence and operation.
Note:
When pressure gauge is removed the test point should be tightened and checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary