5322625-UIM-A-0417
Johnson Controls Unitary Products
27
SECTION VII: TYPICAL WIRING DIAGRAMS
FIGURE 14:
Connection Wiring Diagram
2 STAGE HEAT PUMP WITH GAS HEAT
208/230-1-60
CONNECTION WIRING DIAGRAM
! CAUTION
OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT
DHUM
G
W2
W1
Y2
Y1
O
R
C
THERMOSTAT
LIMIT
SWITCH
2 STAGE DSI
CONTROL
C
R
O
Y1
Y2
W1
W2
G
DHUM
P4
P3
1
2
3
4
5
6
7
8
9
10
11
12
P1
P2
P5
P7
P8
1
1
HUM
NO HUM
180
120
90
60
AC
HP
BLOWER
DELAY
1
2
3
4
LAST
ERROR
STATUS
PWM
ENABLE
PWM COM
P6
1
C
R
O
W1
COOL
HEAT
P11
P9
P10
DELAY
MODEL
ID PLUG
A
B
C
D
A
B
C
D
A
B
C
D
ROLLOUT
SWITCH
230V
24V SEC
40VA
COM
208V
INDUCER
MOTOR
1
1
3
2
WHT
RED
BLK
PRESSURE SWITCH
2 STAGE
GAS
VALVE
IGNITOR
FLAME
SENSOR
CAPACITOR
GRN (5)
H
F
C
M
HI
C
GND
T1
L1
T2
L2
ID BLOWER
MOTOR
1
C
COMPR.
R
1
S
OD FAN
MOTOR
1
1
2
3
4
5
6
BLK
BRN
GRN
RED
6 5 4
3 2 1
COIL
SENSOR
AMBIENT
SENSOR
LOSS OF CHARGE
SWITCH
REV. VALVE
SOLENOID
YEL/BLK (57)
YEL (56)
YEL (13)
BLU (16)
BLU (16)
WHT (17)
WHT (17)
YEL (13)
LT BLU (14)
LT BLU (14)
BRN (15)
BRN (15)
BLU (29)
YEL (38)
YEL/BLK (24)
WHT (58)
YEL (36)
ORG (55)
RED (54)
YEL/BLK (23)
P1
P2
P3
STATUS
C
R
O
Y1
Y2
W1 OUT
W2 OUT
Y1 OUT
Y2 OUT
LOC OUT
LOC IN
HPS OUT
HPS IN
RV
RVG
C
M
M2
COIL
COILG
AMBG
AMB
OD FAN
RELAY
2 STAGE DEMAND
DEFROST CONTROL
T
T
TEST
HI PRESSURE
SWITCH
BLU (53)
CONTACTOR
XFMR
USE COPPER
CONDUCTORS ONLY
POWER SUPPLY
208/230-1-60
CRANKCASE
HEATER
TEMPERATURE
SWITCH
FIELD INSTALLED CONTROL
FIELD INSTALLED POWER
24V LOW VOLTAGE
208/230V LINE VOLTAGE
WHT/BLK (28)
YEL (48)
WHT (42)
BLK (41)
RED/WHT (27)
BLUE/WHT (7)
PUR/WHT (6)
BLK (45)
BLK (44)
RED (43)
RED (47)
PUR (46)
ORN (39)
ORN (40)
BLU (26)
RED (25)
ORN (37)
WHT (21)
WHT/BLK (22)
GRN (19)
GRY (18)
WHT/BLK(20)
RED (33)
BLU (30)
GRN (52)
GRN (31)
RED/GRN (49)
RED/BLK (50)
RED (51)
ORN
GRN (8)
PUR (3)
BLK (2)
BRN/WHT (9)
RED (12)
RED (11)
PUR (4)
BLK (1)
BLK (34)
BLK / WHT (35)
BLK
BLK
BLK / WHT (10)
BLU
BLU
BLK/ WHT (32)
RED
BLK
BRN
BLK
1. ALL FIELD WIRING TO BE ACCOMPLISHED FOLLOWING CITY, LOCAL AND/OR
NATIONAL CODES IN EFFECT AT THE TIME OF INSTALLATION OF THE UNIT.
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 THE UNIT, MUST
BE REMOVED, IT MUST BE REPLACED WITH TYPE 105 C. 600 VOLT
WIRE OR EQUIVALENT CLEARLY RENUMBERED FOR IDENTIFICATION.
VERIFY PROPER OPERATION AFTER SERVICING.
3. THE THERMOSTAT/CONTROL CONNECTED TO THIS UNIT MUST BE
DUAL FUEL CAPABLE.
NOTES:
FACTORY DSI CONTROL BOARD SETTINGS:
COMBUSTION BLWR POST PURGE: 15 SEC.
INDOOR BLWR HEAT ON DELAY: 30 SEC.
INDOOR BLWR COOL OFF DELAY: 60 SEC.
INDOOR BLWR HEAT OFF DELAY: FIELD SELECT
2 RED
3 RED
4 RED
5 RED
6 RED
7 RED
8 RED
9 RED
10 RED
Demand Defrost Control Operation / Fault Codes
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
NONE
STEADY ON (ANY COLOR)
RAPID AMBER
4 AMBER
1 RED
2 RED
3 RED
4 RED
5 RED
6 RED
7 RED
8 RED
9 RED
10 RED
11 RED
12 RED
DSI Control Operation / Fault Codes
Power off or open fuse
Control Failure
Low Flame sense current
No G call from thermostat with Y call
Flame sensor with gas off
Check pressure switch wiring
Check pressure switch/draft inducer wiring
Airflow Problem
Flame rollout
Repeated pressure switch cycles
Failed to light burners
Loss of flame during call for heat
Incorrect polarity OR don't have neutral
Gas valve shorted "ON"
Check blower motor/wiring
Missing model ID plug OR ID plug
improperly connected.
Flashes
Fault Condition
Normal Operation
GREEN HEARTBEAT
AMBER HEARTBEAT
RAPID GREEN FLASHES
Normal Operation / Standby mode
Call for gas heat active
Control in Factory Test mode
Operational Fault Codes
Normal Operation
LAMP OFF
STEADY RED
SLOW RED
RAPID 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
Operational Fault Codes
4. FACTORY WIRED FOR 230 VOLT SUPPLY POWER. FOR 208 VOLT, MOVE
BLACK WIRES FROM THE 230 TO THE 208 VOLT TAP ON THE TRANSFORMER.
5. MOTORS ARE INHERENTLY PROTECTED.
6. SEE UNIT NAMEPLATE FOR MAXIMUM FUSE AND/OR CIRCUIT BREAKER SIZE
AND MINIMUM CIRCUIT AMPACITY.
7. SELECT "COOL" JUMPER THAT WILL DELIVER APPROXIMATELY 400 CFM/TON
FOR COOLING AND HEAT PUMP OPERATION.
5320013-UWD-A-0117
