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Start-up, calibration and operation of the burner
6.11 Final checks (with burner operating)
Tab. M
Open the thermostat/pressure switch TL
Open the thermostat/pressure switch TS
The burner must stop
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
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 flame sensor
The burner must stop in lockout due to
ignition failure
Make sure that the mechanical locking systems
on the various adjustment devices are fully tight-
ened.