Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
Thermostat turned to MAX
Connect a U-gauge to the Burner Gas Pressure Test Point
Connect a U-gauge to the Burner Gas Pressure Test Point
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Run tap on maximum flow rate.
Allow the boiler to execute its ignition sequence.
Does the gas valve open with an operating pressure of approx 8.5 mbar?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Allow the boiler to execute its ignition sequence.
Does the gas valve open with an operating pressure of approx 8.5 mbar?
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