Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach pressure gauge to gas valve pressure outlet test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset appliance if required (rotate selector switch to OFF position for 4 seconds, then rotate back to DHW/CH position).
Allow appliance to commence its ignition sequence.
Does the pressure gauge show an acceptable minimum gas inlet pressure
as per table below throughout its operation?
Allow appliance to commence its ignition sequence.
Does the pressure gauge show an acceptable minimum gas inlet pressure
as per table below throughout its operation?
Isolate as per TOPs P4
and refit as necessary