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20040559
28
GB
Start-up, calibration and operation of the burner
6.8
Final checks (with burner operating)
Disconnect a wire of the minimum gas pressure switch;
Open the thermostat/pressure switch TL
Open the thermostat/pressure switch TS
The burner must stop
Disconnect the air adduction tube of the pressure switch
at positive value (+)(Fig. 30 on page 25)
Disconnect the ionisation probe wire.
The burner must stop in lockout
WARNING
Make sure that the mechanical locking systems
on the various adjustment devices are fully tight-
ened.