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 inlet test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Reset appliance if required (press reset button for 2 seconds and release).
Allow the burner to ignite and establish.
Does the pressure gauge show an acceptable minimum gas inlet pressure
as per table below throughout its operation?
Allow the burner to ignite and establish.
Does the pressure gauge show an acceptable minimum gas inlet pressure
as per table below throughout its operation?
| CATEGORY II2H3 + | Natural Gas | Liquid Propane Gas | Liquid Butane Gas |
| 24 KW Model | 20 Mbar | 36 Mbar | 28 Mbar |
| 28 KW Model | 20 Mbar | 36 Mbar | 28 Mbar |
| 32 KW Model | 20 Mbar | 36 Mbar | 28 Mbar |
Isolate as per TOPs P4
and refit as necessary