835961-UIM-D-0213
Johnson Controls Unitary Products 15

FIGURE 16: Wiring Diagram - Three Phase (Demand Defrost)

R
C
GND
FAN MOTOR
S
56342
1
BRN
RED
GRN
BLK
USE COPPER
CONDUCTORS
ONLY
208/230 VAC 60 HZ 3 PHASE SUPPLY
460 VAC 60 HZ 3 PHASE SUPPLY
380/415 VAC 50 HZ 3 PHASE SUPPLY
COMPRESSOR
FIELD WIRING, LINE VOLTAGE
OPTIONAL WIRING
LOW VOLTAGE FACTORY WIRING
HIGH VOLTAGE FACTORY WIRING
PLUG
CONTACTOR
PUR
SEE UNIT INSTALLATION INSTRUCTIONS
FOR LOW VOLTAGE TERMINATIONS
ODF
ODF
X/L
R
C
Y
O
W
W1/66
AMB
AMBG
COILG
COIL
DEFROST
CONTROL
WHT
WHT
BLU
BLU
RED
BLK
YEL
ORG
WHT
BRN
LS
AS
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 HEAT
PUMP IS SHUT OFF.
COMPONENTS SHOWN IN DASH LINES
ARE OPTIONAL.
WIRING MUST CONFORM TO
NATIONAL AND LOCAL CODES.
IF ANY OF THE ORIGINAL WIRE SUPPLIED
WITH THIS UNIT MUST BE REPLACED, IT
MUST BE REPLACED WITH 105 C
THERMOPLASTIC OR ITS EQUIVALENT.
WHERE POWER SUPPLY HAS ONE (1) 240
VOLT CONDUCTOR AND ONE (1) NEUTRAL
CONDUCTOR, CONNECT L2 OF CONTACTOR
TO NEUTRAL.
FAN RELAY AND WIRES LABELED 460V
ONLY USED ON 380/415V OR 460V
1
2
3
4
LEGEND
AS - AMBIENT SENSOR
CAP - CAPACITOR
CC - CONTACTOR COIL
CCH - CRANKCASE HEATER
HPS - HIGH PRESS SWITCH
HS - HEATER SWITCH
LS - LIQUID SENSOR
LPS - LOW PRESS SWITCH
RV - REVERSING VALVE
SC - START CAPACITOR
SR - START RELAY
COLOR CODE
BLK - BLACK
BLU - BLUE
BRN - BROWN
BR/WH -
BROWN/WHITE
GRN - GREEN
GRY - GREY
ORG - ORANGE
PUR - PURPLE
RED - RED
WHT - WHITE
YEL - YELLOW
407154-UWD-B-0412
460V FAN RELAY WIRING
RED
BR/WH
CCH
HS
ORG
ORG
BLKBLK
CC
FAN
RELAY
(460V)
FAN
CAP
GRY
RED
RED
BRN
BLK
BLK (460V)
BLK (460V)
BLK (460V)
BLK (208/230V)
YEL (460V)
BLK (208/230V)
BLK (460V)
BLK
5
7
4
B
A
PS
PS
M
RV
RV
BRN
PNK
YEL
PNK
HPS HTS LPS
RV
BLK
BLK
BRN
PNK
YEL
PNK
T2
T1
T3