Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Boiler switch in ON position
Central heating switch in OFF (central) position
Attach pressure gauge to inlet pressure test point on gas valve
Central heating switch in OFF (central) position
Attach pressure gauge to inlet pressure test point on gas valve
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Observe pressure gauge, does the inlet pressure remain constant at a minimum of 20mb?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
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