7.6
Final checks
Obscure the photocell and switch off the control devices:
the burner should start and then lock-out about 5 s after
opening of the valves.
Illuminate the photocell and switch off the control devices:
the burner should start and then go into lock-out after about
10 s.
Obscure the photocell while the burner is in operation, the
following must occur in sequence:
flame extinguished within 1 s, and starting cycle repetition.
Switch on control device TL followed by control device TS
while the burner is operating:
the burner should stop.
20033337
Start-up, calibration and operation of the burner
26
GB