Set Appliance State:

Attach FGA to combustion test point
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Set appliance into combustion mode:
(cannot be done if appliance is carrying out self-check)
1. Press   and + buttons (press   first), display
should show H3 indicating it is on maximum rate.
2. Press   again, display will show L3 indicating it is on low rate.
3. Press R to return to normal operating mode.
Check combustion values against values given
in manufacturer's instructions / ADAPT.