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7.9.3
Firing failure
If the burner does not fire, it goes into lock-out within 5 seconds
of the opening of the 1st stage solenoid valve and 30 seconds af-
ter the closing of control device TL.
The control box pilot light will light up.
7.9.4
Undesired shutdown during operation
If the flame goes out during operation, the burner shuts down au-
tomatically within 1 second and automatically attempts to start
again by repeating the starting cycle.
7.9.5
Final checks
• Shine a light on the photocell and close the control devices:
the burner should not start.
• Obscure the photocell while the burner is working: the burner
should stop and automatically repeat the starting operation.
• Switch off control device TL while the burner is operating: the
burner should stop.
• Switch off control device TS while the burner is operating: the
burner should stop.
Fill out the information sheet on page 36 before leaving the plant.
20033097
Start-up, calibration and operation of the burner
32
GB
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