Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach U gauge to inlet pressure test point
Ensure no other gas appliances are in operation
Ensure no other gas appliances are in operation
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the appliance to run in CH and the burner to
ignite and establish. Monitor the U gauge.
1. Press the top right button (rad) once, the target flow
temp will be on the display.
2. Press the - button and reduce the temp to absolute
minimum, heating off will be displayed.
3. Press OK and the display will revert back to show the
temp and an umbrella symbol will be shown
(This umbrella symbol signifies that the heating has been turned off)
The gauge should return to standing pressure within a couple of seconds of the demand ending.
ignite and establish. Monitor the U gauge.
1. Press the top right button (rad) once, the target flow
temp will be on the display.
2. Press the - button and reduce the temp to absolute
minimum, heating off will be displayed.
3. Press OK and the display will revert back to show the
temp and an umbrella symbol will be shown
(This umbrella symbol signifies that the heating has been turned off)
The gauge should return to standing pressure within a couple of seconds of the demand ending.