Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach pressure gauge to the inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset boiler if required.
Allow fan to run and ignition sequence to commence.
During the sparking phase of the ignition sequence the pressure gauge should show a slight drop of 1 - 2mb.
Note:
When "U" gauge is removed the test point should be tightened and checked for gas tightness.
Allow fan to run and ignition sequence to commence.
During the sparking phase of the ignition sequence the pressure gauge should show a slight drop of 1 - 2mb.
Note:
When "U" gauge is removed the test point should be tightened and checked for gas tightness.