Electrical Data - Compr. Wiring; Fig 6 - Single Point Power Supply Connection; W/Circuit Breaker Protection (3 Compr); Fig 7 - Single Point Power Supply Connection - York YCAV1039 Installation Operation & Maintenance

Air-cooled screw liquid chillers 50 hz style a 960-1815kw e/v high efficiency and s/p standard efficiency air-cooled screw liquid chillers r-134a
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3 COMPRESSOR POWER WIRING CONNECTIONS
VSD
VSD
1
2
FIG. 6 - SINGLE-POINT POWER SUPPLY CONNECTION WITH CIRCUIT BREAKER PROTECTION
VSD
VSD
VSD
3
1
2
FIG. 7 - SINGLE-POINT POWER SUPPLY CONNECTION WITH TERMINAL BLOCK
JOHNSON CONTROLS
JOHNSON CONTROLS
ELECTRICAL DATA
VSD CONTROL PANEL
VSD
STANDARD
UNIT CONTROLS
3
CONTROL
TRANSFORMER
EVAPORATOR HEATER
LINE
REACTOR
CIRCUIT
BREAKER
COMPESSOR SWITCHES
FIELD PROVIDED
UNIT POWER
SUPPLY
VSD CONTROL PANEL
STANDARD
UNIT CONTROLS
CONTROL
TRANSFORMER
EVAPORATOR HEATER
FAN
CONTACTORS
LINE
REACTOR
TERMINAL
BLOCK
INDIVIDUAL SYSTEM
COMPESSOR SWITCHES
(OPTION)
FIELD PROVIDED
UNIT POWER
SUPPLY
FAN
CONTACTORS
See Note 3
INDIVIDUAL SYSTEM
(OPTION)
See Note 3
FORM 201.21-NM4 (1020)
LD11441
6
LD11442
47
47

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