Air preheating (Optional)
Turn the switch to “ON” to initiate preheating of the generating set.
AIR PREHEATING
OFF
ON
In the case of a power plant, the position of the air preheating switches must NECESSARILY be the
same on all the switches of the generating sets in the power plant.
Important
Bi-frequency (Optional)
Turn the switch to the desired frequency and voltage.
FREQUENCY
Earthing system
Turn the switch to the desired earthing system.
EARTHING SYSTEM
1: IT
2: TN (TNS)
3: TT (TT or EDF APPLICATION)
The EDF earthing system is only used in the so-called rental configurations.
The switch must necessarily correspond to the wiring described in the section on “Connection of the
generating sets”.
Important
50Hz
400V
50Hz
440V
60Hz
480V
IT
TT
TN
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