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SECTION XI: WIRING DIAGRAM
LEGEND
AS - AMBIENT SENSOR
CAP - CAPACITOR
CC - CONTACTOR COIL
CCH - CRANKCASE HEATER
HPS - HIGH PRESS SWITCH
HS - HEATER SWITCH
CS - COIL SENSOR
LPS - LOW PRESS SWITCH
RV - REVERSING VALVE
SC - START CAPACITOR
SR - START RELAY
RED
F
RED
CCH
RED
RED
RED
FIGURE 16: Wiring Diagram - Single Phase PSC 208/230 for models (18,24,30,35,48,60) Gen1
Johnson Controls Ducted Systems
COLOR CODE
BLK - BLACK
BLK/PNK - BLACK w/PINK STRIPE
BLU - BLUE
BRN - BROWN
GRN - GREEN
GRY - GREY
ORG - ORANGE
PNK - PINK
PUR - PURPLE
RED - RED
WHT - WHITE
WHT/BRN - WHITE w/
YEL - YELLOW
FAN MOTOR
R
C
GND
S
COMPRESSOR
RED
R
C
CAP
BRN
S
H
C
BRN
SR
YEL
1
SC
2
5
HS
BLK
CC
BLK
T2
T1
GRY
L1
L2
CONTACTOR
USE COPPER
CONDUCTORS
ONLY
208-230 VAC 60 Hz
BLK
1 PHASE SUPPLY
TURN OFF ELECTRICAL POWER BEFORE SERVICING
TO PREVENT POSSIBLE DAMAGE TO THE EQUIPMENT
AND POSSIBLE PERSONAL INJURY.
TO PREVENT ELECTRICAL SHOCK OPEN REMOTE
DISCONNECT SO ELECTRICAL SUPPLY TO HEAT
PUMP IS SHUT OFF.
COMPONENTS SHOWN IN DASH LINES
1
ARE OPTIONAL.
DUAL CAPACITOR SHOWN. SEPARATE
2
CAPACITORS MAY BE USED ON ACTUAL
UNIT.
BROWN STRIPE
WIRING MUST CONFORM TO
3
NATIONAL AND LOCAL CODES.
IF ANY OF THE ORIGINAL WIRE SUPPLIED
4
WITH THIS UNIT MUST BE REPLACED, IT
MUST BE REPLACED WITH 105 C
THERMOPLASTIC OR ITS EQUIVALENT.
WHERE POWER SUPPLY HAS ONE (1) 230
5
VOLT CONDUCTOR AND ONE (1) NEUTRAL
CONDUCTOR, CONNECT L2 OF CONTACTOR
TO NEUTRAL.
HIGH VOLTAGE FACTORY WIRING
LOW VOLTAGE FACTORY WIRING
OPTIONAL OR MODEL SPECIFIC
FIELD WIRING, LINE VOLTAGE
BLK
LPS
HPS
BLU OR
BLK/PNK
BLU OR
BLK/PNK
YEL
YEL
SEE UNIT INSTALLATION
INSTRUCTIONS FOR LOW
VOLTAGE TERMINATIONS
C R O Y W Wout
HPS LPS RV RVG C M COIL AMBIENT
DEMAND DEFROST
BOARD
DANGER - SHOCK HAZARD
CAUTION
RV
CS
AS
HIGH VOLTAGE
COND FAN
5603866-UWD-A-1118
5604542-UIM-B-0419
17
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