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
ON/OFF switch ON
ON/OFF switch ON
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow fan to run and ignition sequence to commence.
Does the pressure gauge show an inlet pressure of 17mb or greater throughout the operation?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness.
Does the pressure gauge show an inlet pressure of 17mb or greater throughout the operation?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary