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5285477-UIM-A-1016
Johnson Controls Unitary Products
19
SECTION VIII: TYPICAL WIRING DIAGRAMS
FIGURE 11:
Connection Wiring Diagram
HI PRESSURE
COIL
SENSOR
AMBIENT
SENSOR
LOSS OF CHARGE
REV. VALVE
SOLENOID
CONTACTOR
TRANSFORMER
CAP
BLK
YEL
BLU
BLU
BLU
BLK
BLK/WHT (35)
RED (12)
BLK
BLK (34)
BLK
POWER SUPPLY
208/230-1-60
USE COPPER
CONDUCTORS
ONLY
FEMALE 6HK* ELEC. HEAT
KIT CONNECTOR
SECOND STAGE
RELAY / SEQUENCER
FIRST STAGE
RELAY / SEQUENCER
24V COMMON
THERMOSTAT
LOW
VOLTAGE BOX
2 STAGE HEAT PUMP WITH OR WITHOUT
ELECTRIC HEAT - 208/230-3-60
CONNECTION WIRING DIAGRAM
CAUTION
!
OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT.
CRANKCASE
HEATER
TEMPERATURE
SWITCH
YEL/BLK (23)
BLU (27)
BLU (43)
RED (25)
BLU (30)
RED (33)
RED/WHT (51)
BLU/WHT (7)
PUR/WHT (6)
BLU (52)
PUR (4)
BLK (1)
PUR (3)
BLK (2)
GRN (5)
BLU (28)
GRN (31)
ORN (37)
YEL (36)
GRN (19)
WHT/BLK (20)
WHT/BLK (44)
WHT (21)
WHT (45)
GRY (18)
GRY (18)
YEL/BLK (41)
YEL (48)
YEL (13)
BL
U (16)
BL
U (16)
WHT (17)
WHT (17)
GRN (8)
RED (11)
YEL (13)
LT BL
U (14)
LT BL
U (14)
BRN (15) BRN (15)
BRN/WHT (9)
BL
U (29)
YEL (38)
YEL/BLK (24)
BLK/WHT (10)
BLK/WHT (32)
WHT (47)
YEL (36)
ORN (40)
RED (39)
BLU (26)
BLU (42)
ORN (41)
WHT (46)
YEL (48)
GRN (19)
RED (50)
YEL/BLK (49)
YEL/BLK (23)
WHT/BLK (22)
FIELD INSTALLED CONTROL
FIELD INSTALLED POWER
24V LOW VOLTAGE
208/230V LINE VOLTAGE
3
P
2
P
1
P
ST
A
TUS
TEST
C
R
O
Y1
Y2
W1 OUT
W2 OUT
Y1 OUT
Y2 OUT
LCS OUT
LCS IN
HPS OUT
HPS IN
RV
RV
G
C
M
M2
COIL
COILG
AMBG
AMB
OUTDOOR
FAN RELAY
2 STAGE
DEMAND DEFROST
CONTROL
2 STAGE
BLOWER
CONTROL
MODEL ID
PLUG
C
HUM
O
W1
W2
Y1
Y/Y2
G
R
PWM COM
PWM ENA
PWM
HT1
HT2
HT COM
C
24 VAC
R
O
C
G
HUM
Y1
Y2
W2
W1
T
T
230V
24V SEC
75VA
COM
208V
XFMR
L1
COMPR.
L2
3
L3
ID BLWR
MOTOR
1
6 5 4
3 2 1
F
C
OD FAN
MOTOR
1
1
2
3
4
5
6
BLK
BRN
GRN
RED
6
5
4
3
2
1
P1
P3
3A
FUSE
T1
L1
T2
L2
T3
L3
NOTICE
THIS UNIT IS WIRED
FOR THREE-PHASE POWER.
DO NOT CONNECT TO
A SINGLE PHASE SUPPLY
Demand Defrost Control Fault Codes
LAMP OFF
STEADY RED
SLOW RED
RAPID RED
2 RED
3 RED
4 RED
5 RED
6 RED
7 RED
8 RED
9 RED
10 RED
No Power to control
Compressor operation active - Compressor
contactor energized.
Control normal operation - No call for compressor.
Control normal operation - ASCD (Anti Short Cycle
Delay) active
High Pressure Switch fault (Not yet in lockout)
System in high pressure switch lockout (Last mode
of operation was normal compressor)
System in high pressure switch lockout (Last mode
of operation was defrost)
System in low pressure switch lockout (Last mode
of operation was normal compressor)
Low Voltage (<19.2 VAC) preventing further relay
outputs for >2 seconds
Low Voltage (<16 VAC) stopped current relay
outputs for >2 seconds
Liquid Line sensor failure (Open or Shorted)
Outdoor ambient sensor failure (Open or Shorted)
Control Failure
Flashes Fault
Condition
Blower Control Fault Codes
LAMP OFF
LAMP ON
SLOW RED
RAPID RED
7 RED
8 RED
9 RED
No Power to control
Internal control failure
Control normal operation
Test Mode
Call for heat and cool at the same time
Model ID plug not inserted
Internal fault self corrected, attempting normal
operation
Flashes Fault
Condition
1.
ALL FIELD WIRING TO BE ACCOMPLISHED FOLLOWING
CITY, LOCAL, AND/OR NATIONAL CODES IN EFFECT AT
THE TIME OF UNIT INSTALLATION.
2.
CAUTION: LABEL ALL WIRES PRIOR TO DISCONNECTION
WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE
IMPROPER AND DANGEROUS OPERATION. IF ANY OF THE
WIRING AS SUPPLIED WITH UNIT MUST BE REMOVED, IT
MUST BE REPLACED WITH TYPE 105 C 600 VOLT WIRE OR
EQUIVALENT AND CLEARLY RENUMBERED FOR IDENTIFICATION.
VERIFY PROPER OPERATION AFTER SERVICING.
3.
FACTORY WIRED FOR 230 VOLT 3 PHASE SUPPLY POWER. FOR
208 VOLT 3 PHASE SUPPLY POWER, MOVE BLACK WIRES FROM
THE 230 VOLT TAP TO THE 208 VOLT TAP ON THE TRANSFORMER.
4.
MOTORS ARE INHERENTLY PROTECTED.
5.
SEE UNIT NAMEPLATE FOR MAXIMUM FUSE AND/OR CIRCUIT
BREAKER SIZE AND MINIMUM CIRCUIT AMPACITY.
Notes:
5291017-UWD-A-0916