PRESSURE GAS VALVE

PRESSURE GAS VALVE - MINIMUM

Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4

Turn Hot Water Tap On

Remove one lead from the gas valve modureg coil
Attach pressure gauge to gas valve pressure outlet test point

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure

Mains Power On

Observation:

Reset appliance if required (rotate selector switch to
'O' position, then rotate back to DHW/CH position).
Allow self-check to complete and appliance to commence its ignition sequence.
Measure the minimum burner pressure.
Minimum burner pressure should be as per table opposite.

Remove 1x modureg lead

Appliance	Natural Gas G20	LPG - G30/G31
Betacom 24 C	2.5 Mbar	8.0 Mbar
Betacom 30 C	2.3 Mbar	6.0 Mbar

Note:
1. Burner pressure should be present approximately 4 to 5 seconds after fan has started to run and remain present for approximately 10 seconds.
2. Appliance may enter lockout during test, reset as required until test complete.
3. When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.