6.13
Stopping of the burner
The burner can be stopped by:
intervening on the disconnecting switch of the electrical sup-
ply line, located on the boiler panel;
removing the cover and working on the switch " 0-1 " of
Fig. 33 at page 33;
removing the transparent protection that covers the Operator
6.14
Final checks (with burner operating)
Open the thermostat/pressure switch TL
Open the thermostat/pressure switch TS
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.
Switch off the burner and disconnect the voltage.
Disconnect the minimum gas pressure switch connector.
Disconnect the ionisation probe wire
Make sure that the mechanical locking systems
on the various adjustment devices are fully tight-
ened.
WARNING
20068463
Start-up, calibration and operation of the burner
Panel, after loosening the relative screw, and using the
panel itself according to "Manual lockout procedure" on
page 37.
The burner must stop
The burner must stop in lockout
The burner must not start
The burner must stop in lockout due to firing failure
52
GB
Tab. U