20126064
28
GB
Start-up, calibration and operation of the burner
6.10
Final checks (with burner operating)
Tab. L
➤
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
➤
Turn off the burner and cut off the power
➤
Disconnect the minimum gas pressure switch connector
➮
The burner must not start
➤
Disconnect the wire of the photocell
➮
The burner must stop in lockout due to ignition failure
WARNING
Make sure that the mechanical locking systems
on the various adjustment devices are fully tight-
ened.
