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20068423
GB
Start-up, calibration and operation of the burner
6.14
Final checks (with burner operating)
Tab. R
Open the thermostat/pressure switch TL
Open the thermostat/pressure switch TS
The burner must stop
Turn the gas maximum pressure switch knob to the mini-
mum end of scale position
Turn the air pressure switch to the maximum end of scale
position.
The burner must stop in lockout
Switch off the burner and disconnect the voltage.
Disconnect the minimum gas pressure switch connector.
The burner must not start
Disconnect the ionisation probe wire
The burner must stop in lockout due to firing failure
WARNING
Make sure that the mechanical locking systems
on the various adjustment devices are fully tight-
ened.