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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
FAN MOTOR
BLK
C
1
2
CCH
BLK
BLK
T1
L1
FIGURE 20: Wiring Diagram - Three Phase ECM 208/230&460V motor for models (36,42)B(32,42)s Gen2
Johnson Controls Ducted Systems
COLOR CODE
BLK - BLACK
BLK/PNK - BLACK w/PINK STRIPE
BLU - BLUE
BRN - BROWN
GRN - GREEN
GRN/YEL - GREEN w/YELLOW STRIPE
GRY - GRAY
ORG - ORANGE
PNK - PINK
PUR - PURPLE
RED - RED
WHT - WHITE
WHT/BRN - WHITE w/BROWN STRIPE
YEL - YELLOW
RED
R
SLV
BLU
S
4
3
5
6
SLV
COMPRESSOR
RED
T3
T2
T1
HS
CC
GRY
A1
T2
T3
BLK
L2
A2
L3
BLK
USE COPPER
CONDUCTORS
ONLY
230/460 VAC 60 Hz
3 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.
WIRING MUST CONFORM TO
3
NATIONAL AND LOCAL CODES.
RED
IF ANY OF THE ORIGINAL WIRE SUPPLIED
4
WITH THIS UNIT MUST BE REPLACED, IT
VS
CONTROL
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.
BLK
RED
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
HIGH VOLTAGE FACTORY WIRING
LOW VOLTAGE FACTORY WIRING
OPTIONAL OR MODEL SPECIFIC
FIELD WIRING, LINE VOLTAGE
RV
CS
AS
COND FAN
RELAY
5603870-UWD-A-1118
5604542-UIM-B-0419
21
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