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X1 .......Main power supply
Terminals L1, L2, L3, N (= neutral) and PE
(= earthing), behind a small transparent
door.
2.4.3 Dual frequency
Dual frequency allows the unit to work at 50 Hz or at
60 Hz with an accuracy of constant load. The
frequency selection is done by means of switch S11.
R12 .....Voltage adjust potentiometer
Allows to adjust the output voltage
S11 .....Frequency selector switch (50 Hz/
60 Hz)
Allows to choose the frequency of the output
voltage: 50 Hz or 60 Hz.
2.4.4 Battery switch
The battery switch is situated inside the sound-
insulated bodywork. It allows to open or to close the
electrical connection between the battery and the
engine circuits.
Position O on switch S13 will only
be used in conjunction with an
external earth fault protection unit
(e.g. integrated in a distribution
board) or when the generator is
used in parallel.
The earth fault protection on the
single phase outlet socket is not
affected by the switch S13.
If S13 is in position O, proper
earthing is of the utmost importance
for the safety of the user.
Eliminating any earth fault
protection can lead to serious injury
or even death for anybody touching
the unit or the load.
Changing the output frequency is
only allowed when the unit has
stopped.
After changing the output
frequency, adjust the output voltage
by means of potentiometer R12 to
the required value.
L1L2
OFF
L1-N
L2L3 L2-N
L3L1
LL LN
L3-N
R12
S11
Never turn the battery switch to
OFF during operation.
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