6.12
Final checks (with burner operating)
Open the thermostat/pressure switch TL
Open the thermostat/pressure switch TS
Turn the knob of the gas maximum pressure switch to the
minimum 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 flame detection sensor electrical connections
Make sure that the mechanical locking systems
on the adjustment devices are fully tightened.
ATTENTION
Start-up, calibration and operation of the burner
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
35
GB
Tab. M
20148124