GEA HGX6 R134a series Assembly Instruction Manual page 16

5| Electrical connection
The motor is wired for direct start (YY) at the factory. For part winding start Y/YY, the bridges must be
removed and the motor feed line connected according to the circuit diagram:
D
GB
F
E
16
400 V
Direct start YY
Direktstart YY
2U1 2V1 2W1
1U1 1V1 1W1
L1 L2 L3
ATTENTION! F ailure to do this results in opposed rotary fields and results in
damage to the motor. After the motor starts up via partial winding
1, partial winding 2 must be switched on after a maximum delay of
one second . Failure to comply can adversely affect the service life
of the motor.
400 V
400 V
Teilwicklungsstart Y/YY
Direktstart YY Teilwicklungsstart Y/YY
L1 L2 L3
2U1 2U1 2V1 2V1 2W1 2W1
1U1 1U1 1V1 1V1 1W1 1W1
L1 L2 L3
L1 L2 L3
Part winding start Y/YY
L1 L2 L3
2U1 2V1 2W1
1U1 1V1 1W1
L1 L2 L3