Set Appliance State:
Gas Off
CH Demand
Isolate Mains Power to appliance as per TOPs P4
Selector Switch ON
Gas Control Knob in Main Burner position
Attach U-gauge to gas valve inlet test point
Selector Switch ON
Gas Control Knob in Main Burner position
Attach U-gauge to gas valve inlet test point
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Is the inlet pressure satisfactory?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary