Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Attach U-gauge to burner pressure test point
Set service potentiometer to MIN
Gas On
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Allow burner to ignite and establish.
Is the min pressure as per the appropriate table?
Move service mode potentiometer to MAX.
Is the max pressure as per the appropriate table?
Note:
When pressure gauge is removed the
pressure test point should be tightened
and checked for gas tightness.