5.7
Final checks (with the burner working)
➤ Open the control limit operation
➤ Open the high limit operation
➤ Rotate the maximum gas pressure switch knob to the mini-
mum end-of-scale position
➤ Rotate the air pressure switch knob to the maximum end of
scale position
➤ Rotate the maximum oil pressure switch at the minimum of
the scale
➤ Switch off the burner and disconnect the voltage
➤ Disconnect the minimum gas pressure switch
➤ Rotate the minimum low oil pressure switch at the maximum
of the scale
➤ Cover the QRI flame sensor
Make sure that the mechanical locking systems on
the different adjustment devices are fully tightened.
WARNING
Start-up, calibration and operation of the burner
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
GB
20037075