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INSTALLATION AND MAINTENANCE
VARMECA 30
Variable speed motor or geared motor
CONNECTIONS
LEROY-SOMER
3776 en - 07.2007 / h
en
3.8 - Example of supplying 2 motors
with or without brake in parallel with a
single VARMECA
3.8.1 - The VARMECA must be sized to take
account of the total motor power rating
- The flange with 4 cable glands option must be used to make
it easier to wire up the 2nd motor.
3.8.2 - The 2nd motor is designed to connect to
the terminals marked U, V, W and PE on the SO
VMA and VMA ESFR options for VMA 31/32 or
on the 2nd motor option for VMA 33/34
3.8.3 - Connecting the brake on the 2nd motor
- With the SO VMA option, the rectifier is supplied between
the motor star point and a mains phase from the F1 terminal
of the SO VMA 31/32 option.
F1 terminal of the SO VMA 31/32 option
- With the VMA ESFR option, the rectifier is supplied
between 2 mains phases and the solid state relay; connect it
from the F1 and F2 terminals of the VMA ESFR 31/32 to the
VMA ESFR 33/34.
F1 and F2 terminals of the VMA ESFR 31/32 option
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