Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach pressure gauge to gas valve pressure outlet test point
| 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.
Measure the burner pressure ignition rate.
Burner pressure ignition rate should be seen to rise to approximately 1.5 to 3.0 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.
then rotate back to DHW/CH position).
Allow appliance to commence its ignition sequence.
Measure the burner pressure ignition rate.
Burner pressure ignition rate should be seen to rise to approximately 1.5 to 3.0 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.
Isolate as per TOPs P4
and refit as necessary