Set Appliance State:
Gas Off
CH Demand
Isolate Mains Power to appliance as per TOPs P4
Attach U Gauge to inlet pressure test point
Attach U Gauge to inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Measure the inlet pressure to the appliance as the boiler attempts to light
Expect continuous gas pressure of at least 18.5mb
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Expect continuous gas pressure of at least 18.5mb
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary