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6.10
Burner operation
Control system
Pump motor
Fan motor
Transformer
(*) Pre-wash valve
Start-up valve
Flame
Lock-out
6
s
(*) oil only
(**) Adjusted by timer 6) for oil (6s for gas operations)
MOTOR LOCK: this is brought about by the overload cut-out
thermal relay when a phase is missing.
Start-up, calibration and operation of the burner
Normal
4 5
s
3 1
s
3 8
s
* *
Lock for start-up failure
6
s
4 5
s
3 1
3
s
35
GB
s
3 8
s
* *
3
s
20177684
Fig. 40
20176605
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