Set Appliance State:
Gas Off
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
Attach U gauge to inlet pressure test point
Attach U gauge to inlet pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset lockout as necessary.
Ensure no other gas appliances are in use.
Allow the ignition sequence to commence.
Monitor the inlet pressure during the ignition cycle, a drop in the standing pressure should be seen as the gas valve opens.
Notes:
1. The inlet pressure should remain above 18mb through the ignition sequence.
2. When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Ensure no other gas appliances are in use.
Allow the ignition sequence to commence.
Monitor the inlet pressure during the ignition cycle, a drop in the standing pressure should be seen as the gas valve opens.
Notes:
1. The inlet pressure should remain above 18mb through the ignition sequence.
2. When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.