5284792-UIM-D-1017
Johnson Controls Unitary Products
23
SECTION X: WIRING DIAGRAM
FIGURE 15:
Wiring Diagram - 2 Ton
FAULT
NO LAMP
YELLOW
YELLOW
YELLOW
YELLOW
RED
N/A
2 sec ON/2 sec OFF
.1 sec ON/.1sec OFF
.5 sec ON/.5 sec OFF
ON
ON
HIGH VOLTAGE FIELD WIRING
LOW VOLTAGE FIELD WIRING
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 AC UNIT 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
AMB - AMBIENT TEMP SENSOR
DPT - DISCHARGE PRESSURE
DR - DEMAND RESPONSE
DS - DISPLAY SWITCH
DTS - DISCHARGE TEMP SENSOR
HPS - HIGH PRESS SWITCH
LTS - LIQUID TEMP SENSOR
SPT - SUCTION PRESSURE
STS - SUCTION TEMP SENSOR
TB - TERMINAL BLOCK
XFMR - TRANSFORMER
BLK - BLACK
BLU - BLUE
BLU/WHT - BLUE w/WHITE STRIPE
BRN - BROWN
GRN - GREEN
PUR - PURPLE
RED - RED
RED/WHT - RED w/WHITE STRIPE
WHT - WHITE
YEL - YELLOW
YEL/PINK - YELLOW w/PINK STRIPE
5295812-UWD-C-0217
FERRITE RING/CHOKE
DS
LTS
AMB
CTS
R
C
P6
P7
P8
P10
P2
P3
P1
P5
P4
A
B
C
A
R
B
C
G
S
V
G
S
V
DTS
DPT
SPT
STS
RV
DR
C
O
Y
OD FAN
RS485
COMM
EEV
COMM
RS485 COMM
3A
COMPRESSOR
INVERTER
DRIVE
U
U(S)
V(C)
W(R)
V
W
L1
L1
L2
L2
GND
DPT
SPT
AMB
STS
LTS
DTS
BLU/WHT
BLU/WHT
BLU/WHT
RED/WHT
RED/WHT
WHT
BLK
RED/WHT
WHT
BLK
BLK
BLK
BLK
RED
YEL
YEL
BRN
WHT
BLK
DRAIN WIRE
RED
RED
WHT
BLU
GRN
BLK
RED
GRN
WHT
BLK
BLK
BLK
BRN
BLK
BLK
PUR
PUR
YEL/PINK
YEL/PINK
T
T
T
T
HPS
REACTOR
230V
24V SEC
40VA
208V
XFMR
1
2
3
4
5
6
TB
GND
DS
RS485
COMM
HPS
CONV.
INPUTS
OD FAN
CONTROLLER
OD FAN
MOTOR
SEE UNIT
INSTALLATION
INSTRUCTIONS FOR
LOW VOLTAGE
TERMINATIONS
LEGEND
COLOR CODES
USE COPPER
CONDUCTORS
ONLY
208-230 VAC 60 Hz
1 PHASE SUPPLY
VS CONTROL
LED DIAGNOSTIC CODES
No power to the control
System has 24 VAC present No Active Call
Active Call; Active ASCD Timer
Active Call; Successful Communications
Controlled Event; Active Foldback Condition
Controlled Fault; Active Fault Condition
LAMP
COLOR
LAMP
CONDITION
DESCRIPTION
VS
CONTROL
BOARD
STATUS
H2
H1
WHT
BLK
GRN
PWM
TEST PAD
+
-
