Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach pressure gauge to the inlet pressure test point
Selector switch set to ch/dhw
Dhw temperature control to max
Selector switch set to ch/dhw
Dhw temperature control to max
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow fan to run and ignition sequence to commence.
Does the inlet pressure remain satisfactory throughout the boiler operation?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness.
Does the inlet pressure remain satisfactory throughout the boiler operation?
Note:
When "U" gauge is removed test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary