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Form 201.23-NM2
Issue date: 12/19/2023
VSD
1
Figure 19 - Three compressor wiring diagram with circuit breaker – single point
VSD
1
Figure 20 - Three compressor wiring diagram with terminal block – single point
Johnson Controls
Electrical data (cont'd)
3 compressor power wiring connections
3 COMPRESSOR POWER WIRING CONNECTIONS
VSD CONTROL PANEL
VSD
VSD
STANDARD
2
3
CONTROL
TRANSFORMER
EVAPORATOR HEATER
LINE
REACTOR
CIRCUIT
BREAKER
FIELD PROVIDED
UNIT POWER
SUPPLY
3 COMPRESSOR POWER WIRING CONNECTIONS
VSD CONTROL PANEL
VSD
VSD
STANDARD
2
3
CONTROL
TRANSFORMER
LINE
REACTOR
TERMINAL
BLOCK
FIELD PROVIDED
UNIT POWER
SUPPLY
UNIT CONTROLS
FAN
CONTACTORS
See Note 3
UNIT CONTROLS
EVAPORATOR HEATER
FAN
CONTACTORS
See Note 3
Section 6 - Technical data
6
71
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