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6.15
Final checks
With the burner running
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
Disconnect the minimum gas pressure switch connector
Disconnect the maximum oil pressure switch connector
Disconnect the minimum oil pressure switch connector
Obscure the flame sensor
6.16
Pump motor lock-out
If the motor does not start, it could be because of a thermal relay
intervention due to its incorrect calibration or problems with the
motor or the main power supply, to release press the button of the
thermal relay, see "Calibration of the thermal relay" on page 21.
Start-up, calibration and operation of the burner
the burner must stop
the burner must stop in lockout
the burner must stop in lockout
the burner must stop in lockout
the burner must stop in lockout
the burner must stop in lockout due to flame loss
41
GB
Tab. R
20182649
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