Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach pressure gauge to gas valve inlet pressure test point
Mains Reset Switch On
Mains Reset Switch On
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow fan to start.
Monitor the U gauge - the inlet pressure should remain satisfactory throughout the ignition cycle and a dip should be seen during the sparking stage indicating the gas valve is opening.
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Monitor the U gauge - the inlet pressure should remain satisfactory throughout the ignition cycle and a dip should be seen during the sparking stage indicating the gas valve is opening.
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
