5156631-UIM-G-0417
28
Johnson Controls Unitary Products
SECTION XII: WIRING DIAGRAM
FIGURE 17:
Wiring Diagram - Single Phase (Demand Defrost)
FIELD WIRING, LINE VOLTAGE
OPTIONAL OR MODEL SPECIFIC
LOW VOLTAGE FACTORY WIRING
HIGH VOLTAGE FACTORY WIRING
DANGER - SHOCK HAZARD
TURN OFF ELECTRICAL POWER BEFORE SERVICING
TO PREVENT POSSIBLE DAMAGE TO THE
EQUIPMENT AND POSSIBLE PERSONAL INJURY.
WAIT 2 MINUTES - ELECTRICAL COMPONENTS MAY
HOLD CHARGE. DO NOT REMOVE THIS COVER OR
SERVICE THIS FOR 2 MINUTES AFTER THE POWER
HAS BEEN REMOVED.
CAUTION
TO PREVENT ELECTRICAL SHOCK OPEN REMOTE
DISCONNECT SO ELECTRICAL SUPPLY TO HEAT
PUMP IS SHUT OFF.
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.
1
2
LEGEND
AS - AMBIENT SENSOR
CCH - CRANKCASE HEATER
HPS - HIGH PRESS SWITCH
CS - COIL SENSOR
LPS - LOW PRESS SWITCH
RV - REVERSING VALVE
DIS - DISCHARGE SENSOR
COLOR CODE
BLK - BLACK
BLU - BLUE
BLU W/ YEL - BLUE W/
YELLOW STRIPE
BRN - BROWN
GRY - GREY
ORG - ORANGE
RED - RED
WHT - WHITE
YEL - YELLOW
YEL W/ RED - YELLOW W/
RED STRIPE
YEL/GRN - YELLOW AND GREEN
FAN MOTOR
GND
WHT
BLU
ORG
W(R)
V(C)
U(S)
RED
BRN
L1
L2
USE COPPER
CONDUCTORS
ONLY
208-230 VAC 60 Hz
1 PHASE SUPPLY
CCH
COMPRESSOR
CIRCUIT
BREAKER
RV
BLK
BLK
BLU
BLU
CS
AS
BLK
BLK
YEL
5163052-UWD-B-0916
HPS
LPS
BLK
YEL W/ RED
YEL W/ RED
BLU
BLU
HPS
LPS RV RVG COIL AMBIENT
BLK
W
V
U
CHOKE
E
L2
L1
DIS
DIS
ORG
BLU
WHT
RED
RED
YEL/GRN
A
C
B
BRN
BLK
RED
DIAGNOSTIC
INTERFACE
*
*
A C B
COMM
HOT HEAT
PUMP
TEST
MODE
DEFROST
TEMP
*
*
*
*
*
*
*
*
*
*
*
*
*
50
60
70
80
N
L
M
H
OFF
ON
YEL/GRN
YEL/GRN
BLU
BLU
SEE UNIT INSTALLATION
INSTRUCTIONS FOR LOW
VOLTAGE TERMINATIONS
WHT
BLU W/ YEL
ORG
YEL
RED
BLK
BRN
GRY
BLU
W
Y2
O
Y1
R
C
W1 OUT
W2 OUT
Y2 OUT
TEST