Set Appliance State:
Turn Hot Water Tap On
Isolate Mains Power to appliance as per TOPs P4
Attach U-gauge to gas valve outlet pressure test point
Hinge down front facia panel and set boiler to MIN
output setting using the gas valve mode switch
Attach U-gauge to gas valve outlet pressure test point
Hinge down front facia panel and set boiler to MIN
output setting using the gas valve mode switch
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow boiler to commence its ignition sequence and ignite.
Using a flat bladed screwdriver adjust the MIN burner pressure to 1.8mbar.
Set boiler to MAX output setting via the gas valve mode switch.
Using a flat bladed screwdriver adjust the MAX burner pressure to 13.2mbar
Notes:
1. When U-gauge is removed pressure test point should be tightened & checked for gas tightness.
2. Remember to set the boiler back to normal mode via the gas valve mode switch.
Using a flat bladed screwdriver adjust the MIN burner pressure to 1.8mbar.
Set boiler to MAX output setting via the gas valve mode switch.
Using a flat bladed screwdriver adjust the MAX burner pressure to 13.2mbar
Notes:
1. When U-gauge is removed pressure test point should be tightened & checked for gas tightness.
2. Remember to set the boiler back to normal mode via the gas valve mode switch.
Isolate as per TOPs P4
and refit as necessary