Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Slightly disengage the air intake connection from the inlet test point
Attach pressure gauge to gas pressure inlet test point
Attach pressure gauge to gas pressure inlet test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Reset appliance if required (press and hold the reset button until
the chimney sweep button led flashes rapidly, then release the reset button.
Allow the 4 minute pump purge to complete and the ignition
sequence to commence.
Does the pressure gauge show an acceptable minimum gas inlet pressure of at least 18 mbar throughout the ignition sequence?
Note.
1. Reset appliance as required until test complete.
2. When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
the chimney sweep button led flashes rapidly, then release the reset button.
Allow the 4 minute pump purge to complete and the ignition
sequence to commence.
Does the pressure gauge show an acceptable minimum gas inlet pressure of at least 18 mbar throughout the ignition sequence?
Note.
1. Reset appliance as required until test complete.
2. 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