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872678-UIM-C-0213
16 Johnson Controls Unitary Products
FIGURE 16: Wiring Diagram - Three Phase 6.3 Ton
1
2
3
S
R
GND.
C
T1
T3
T2
BLK
RED
RED
BRN / WHT
BRN
CCH
COOLING
COMMON
24 VAC
RED
RED
63
5
42
1
YEL
BLUE
BLK
BLK
PLUG
BLK
BRN
FAN
MOTOR
COMPRESSOR
MOTOR
BLU
208/230 VAC 60 Hz 3Ph
460 VAC 60 Hz 3Ph
USE COPPER CONDUCTOR ONLY
CC
GND.
LUG
GND.
RED
FAN
CAPACITOR
ORG
BLK
240V
OR
480V
COM
24V
208V
TRANSFORMER
1
PS RELAY
Optional Pressure Out Kit
Optional Low Ambient Kit
LAP RELAY
1
BLK
1
LAP
BLK
A
B
7
1
BLK
BLK
HPS
LP
1
1
YEL
A
B
7
2
BRN
RED
RED
BLU
CONTACTOR
BLK
BLU
BLK
1
3
4
2
5
COMPONENTS SHOWN IN DASHED LINES ARE OPTIONAL.
RED WIRE WILL BE REMOVED IF LOW AMBIENT KIT IS
INSTALLED.
YELLOW WIRE WILL BE REMOVED IF PRESSURE SWITCH
KIT IS INSTALLED.
IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT
MUST BE REPLACED, IT MUST BE REPLACED WITH TYPE
105 C, THERMOPLASTIC OR ITS EQUIVALENT.
WIRING MUST CONFORM TO NATIONAL AND LOCAL CODES.
HPS -HIGH PRESSURE SWITCH
LP -LOW PRESSURE SWITCH
LAP -LOW AMBIENT PRESSURE SWITCH
CCH -CRANKCASE HEATER
CC -CONTACTOR COIL
ASCT -ANTI-SHORT CYCLE TIME
DANGER - SHOCK HAZARD
TURN OFF ELECTRICAL POWER BEFORE
SERVICING TO PREVENT POSSIBLE DAMAGE
TO THE EQUIPMENT AND POSSIBLE
PERSONAL INJURY.
CAUTION
TO PREVENT ELECTRICAL SHOCK OPEN
REMOTE DISCONNECT SO ELECTRICAL
SUPPLY TO AIR CONDITIONER IS SHUT OFF.
HIGH VOLTAGE FACTORY WIRING
LOW VOLTAGE FACTORY WIRING
FIELD WIRING, LINE VOLTAGE
OPTIONAL WIRING
872677-UWD-A-0712
380/415 VAC 50 Hz 3Ph
YEL / PNK
YEL / PNK
HPS
GRN
LOW
VOLTAGE
BOX
GRN
FIGURE 17: 24 VAC Connection Wiring for 2-pipe A/C, 6.3 Ton Condensing Unit with 7.5 Ton Air Handler
833 /BL
24I/BR
832 /BK
83I/BR
EHRIAB
EHR 2AB
7.5 TONAIR HANDLER
24V TERMINAL BLOCK
2I0/Y
BRIAB
830 /BR
6.3 TON CONDENSING UNIT
LOW VOLTAGE BOX
BLUE
YELLOW
RED
TYPICAL WALLTHERMOSTAT
SI
S2
66
60
GI
C
GYI
W2
W1
RC
USED WITH ELECTRIC
HEATACCESSORIES