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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.
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.
Spillage free skid
A Spillage free skid with forklift slots allows the
customer to transport the generator easily with a
forklift.
It avoids accidental spilling of engine fluids.
Changing the output voltage is only
allowed after shutdown.
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.
Summary of Contents for QAS 500 Volvo S2A APP
Page 1: ...QAS 500 Volvo S2A APP Instruction Manual for AC Generators English...
Page 2: ......
Page 99: ...99 Circuit diagrams...
Page 112: ......
Page 113: ......
Page 114: ...Printed in Belgium 05 2009 2954 3870 00 www atlascopco com...