Set Appliance State:

Turn Hot Water Tap On
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

For how to set the appliance to service mode click here.
Test 1:
Carry out a flue gas analysis check on minimum output mode.
Test 2:
Carry out a flue gas analysis check on maximum output mode.
The readings should be as detailed in the manufacturer’s instructions.
Are the flue gas analysis readings as expected?
Note:
No demand is required as the appliance will automatically fire when service mode is entered the tap is turned on to help dissipate heat only.
Please select from one of the options below:
FLUE GAS READINGS AS EXPECTED
FLUE GAS READINGS NOT AS EXPECTED OR BURNER DROPS OUT IN MINIMUM OUTPUT MODE