Table of Contents
Advertisement
Form 201.28-NM1.1
Issue date: 08/06/2021
TRANSFORMER
POWER
ASSEMBLY
SYSTEM 1
LINE
REACTOR
TERMINAL BLOCK
CIRCUIT BREAKER - OPT
NON-FUSED DISCONNECT SW. - OPT
SYSTEM 1
SEE NOTE 1
380~415-3-50
FIELD PROVIDED
UNIT POWER
COMPRESSOR SYSTEM 1
Note 1: Dashed line represents customer wiring.
Minimum Circuit Ampacity (MCA),
Minimum/Maximum Fuse Size, and
Minimum/Maximum Circuit Breaker size
vary on chillers based upon model and
options ordered. Consult YorkWorks or
the chiller data plate for electrical data
on a specific chiller.
Figure 16 - Dual point power wiring
JOHNSON CONTROLS
Dual point wiring
UNIT MOUNTED ELECTRONICS
STANDARD
UNIT CONTROLS
CONTROL
EVAPORATOR AND COMPRESSOR
HEATERS
VSD COOLING PUMP
AND FAN
FAN
CONTACTORS
PE/GND
L1 L2 L3
460-3-60
SUPPLY
POWER
ASSEMBLY
SYSTEM 2
LINE
REACTOR
TERMINAL BLOCK
CIRCUIT BREAKER - OPT
NON-FUSED DISCONNECT SW. - OPT
PE/GND
SEE NOTE 1
380~415-3-50
FIELD PROVIDED
UNIT POWER
COMPRESSOR SYSTEM 2
Voltage utilization range
Rated voltage
200/60/3
230/60/3
380/60/3
400/60/3
460/60/3
575/60/3
400/50/3
SECTION 4 - INSTALLATION
FAN
CONTACTORS
WATER BOX
HEATER
KIT
SYSTEM 2
SEE NOTE 1
PE/GND
L N
115V/60Hz
220V/50Hz
L1 L2 L3
460-3-60
SUPPLY
LD18589a
Utilization range
180–220
208–254
342–418
360–440
414–508
520–635
360–440
4
47
Advertisement
Table of Contents
