Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Main switch in ON position
Summer/Winter Switch in Winter position
Heating Control Thermostat set to Maximum
Attach U-gauge to burner pressure test point
Summer/Winter Switch in Winter position
Heating Control Thermostat set to Maximum
Attach U-gauge to burner pressure test point
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
When Burner lights, gas pressure will rise from a min of 1.5 mbar up to a max of 8.1 mbar.
After approximately 2 minutes slowly reduce the thermostat setting until the first 'click' is heard.
The burner pressure should fall to its minimum of 1.5mbar.
Continue to reduce the thermostat setting further.
The burner should now go out.
After approximately 2 minutes slowly reduce the thermostat setting until the first 'click' is heard.
The burner pressure should fall to its minimum of 1.5mbar.
Continue to reduce the thermostat setting further.
The burner should now go out.
