6.13
Burner flame goes out during operation
If the flame should go out during operation, the burner will lockout
within 1s.
6.14
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 transparent protection 30) Fig. 6 on page 14,
after unscrewing the relative screw.
6.15
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 knob to the maximum end of
scale position
Turn off the burner and cut off the power
Disconnect the minimum gas pressure switch connector
Disconnect the connector of the ionisation probe
Make sure that the mechanical locking systems
on the various adjustment devices are fully tight-
ened.
WARNING
Start-up, calibration and operation of the burner
There are now two possibilities:
–
using the operator panel according to the manual lockout pro-
cedure on page 35;
–
using the switch 0-1 of Fig. 28 on page 31.
The burner must stop
The burner must stop in lockout
The burner must not start
The burner must stop in lockout due to ignition failure
51
GB
Tab. S
20081760