Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
CH temperature control to max
Set selector switch to ch/dhw
Connect a U-gauge to the Burner Gas Pressure Test Point
Set selector switch to ch/dhw
Connect a U-gauge to the Burner Gas Pressure Test Point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
CLICK HERE BEFORE CARRYING OUT THIS TEST
Allow the boiler to execute its ignition sequence and the burner to ignite.
Does the burner pressure operate between CH min and mix (refer to table) as the ch system temperature increases.
Note:
When gauge is removed pressure test point should be tightened and checked for gas tightness.
Allow the boiler to execute its ignition sequence and the burner to ignite.
Does the burner pressure operate between CH min and mix (refer to table) as the ch system temperature increases.
Note:
When gauge is removed pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary