830841-BIM-D-0512
32
Johnson Controls Unitary Products
Typical Wiring Diagrams
Typical DUQ024 Heat Pump with Two Stage Gas Heat 208/230-1-60 volt Wiring Diagram
LEGEND
ALS
AUXILARY LIMIT SWITCH
CB
CONTACT BREAKER 3.2 AMPS
CFMCB
CFM SELECTOR BOARD
COMPR
COMPRESSOR
DCB
DEFROST CONTROL BOARD
DM
DRAFT MOTOR
DR
DEFROST RELAY
DS-A
DEFROST SENSOR, AMBIENT
DS-C
DEFROST SENSOR, COIL
EMCB
ELEC. BLOWER MOTOR CTRL. BOARD
GND
GROUND
HP
HIGH PRESSURE SWITCH OPENS @ 625 PSIG
FCS
FURNACE CUTOUT SWITCH IN DEFROST
IDFAN
INDOOR FAN MOTOR
IMCB
INDOOR MOTOR CONTROL BOARD
LP
LOW PRESSURE SWITCH OPENS @ 7 PSIG
LS
LIMIT SWITCH
M1
CONTACTOR, COMPR. AND OD FAN
ODFAN
OUTDOOR FAN MOTOR
OMCB
OUTDOOR MOTOR CONTROL BOARD
PTCR
START ASSIST RELAY
PS
PRESSURE SWITCH
RC1
COMPRESSOR RUN CAPACITOR
RS
ROLLOUT SWITCH
RVS
REVERSING VALVE SOLENOID
SC
START CAPACITOR
SR
START ASSIST RELAY
S4/P4
SOCKET/PLUG CONNECTION, ID MOTOR CONTROL BOARD 24V
S5/P5
SOCKET/PLUG CONNECTION, ID MOTOR CONTROL BOARD 230V
S6/P6
SOCKET/PLUG CONNECTION, CFM CONTROL BOARD 24V
S9/P9
SOCKET/PLUG CONNECTION, CFM CONTROL BOARD 230V
T1
TRANSFORMER, 24V, 230V
TB1-GND
GROUND TERMINAL BLOCK
TB2
24V M2 OUTPUT
TEMPERATURE CONTROLS D*NQ 2-STAGE UNITS
UNIT SIZE
DEVICE
OPERATING TEMPERATURE (DEG F
)
OPEN
+/-
CLOSE
+/-
3 TUBE
024
RS
270
12
---
---
LS
150
6
120
9
ALS
160
12
---
---
3 TUBE
030-036
RS
270
12
---
---
LS
155
6
125
9
ALS
160
12
---
---
4 TUBE
036
RS
270
12
---
---
LS
150
6
120
9
ALS
160
12
---
---
4 TUBE
042-048
RS
270
12
---
---
LS
170
6
140
9
ALS
160
12
---
---
5 TUBE
048-060
RS
270
12
---
---
LS
160
6
130
9
ALS
160
12
---
---
DEFROST CONTROL FACTORY SETTINGS
NAME
POSITION
NOTE
FFUEL
ON
REQUIRED
Y2LOCK
OFF
OPTIONAL
COMPRESSOR DELAY
OFF
OPTIONAL
HOT HEAT PUMP
OFF
OPTIONAL
SWITCH POINT
35
OPTIONAL
DEFROST CURVE
1
OPTIONAL
LTCO/BP
15/35
OPTIONAL
CFMCB FACTORY SETTINGS
NAME
POSITION
NOTE
HP
REMOVED
REQUIRED
CFMCB SELECTOR BOARD SETTINGS
ADJ
A
NOMINAL COOLING CFM
B
NOMINAL COOLING CFM X 110%
C
NOMINAL COOLING CFM X 90%
D
---
COOL
A
ARI RATED CFM
B
---
C
SEE TECHNICAL LITERATURE
FOR ADDITIONAL INFORMATION
D
DELAY
A
STANDARD
B
HUMID CLIMATE
C
DRY CLIMATE
D
TEMPERATURE CLIMATE
HEAT
A
NOMINAL HEATING CFM
B
---
C
SEE TECHNICAL LITERATURE
FOR ADDITIONAL INFORMATION
D
LABEL WIRING DUAL FUEL HEAT PUMP
CAUTION - OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT
103/BR
102/Y
215/R
205/R
224/R
BLU
BLK
RED
201/BR
248/O
236/O
222/R
CFM OUT/W-BK
HEAT/BK
COOL/BL
C2/BR
C1/BR
Y1/Y
R/R
Y2/O
W2/BL-W
G/PR
DELAY/R
ADJUST/PR
CFM OUT/Y-BK
221/BR
226/W
233/R
244/PR
245/PR
225/PR
POWER SUPPLY
208/230-1-60
USE COPPER
CONDUCTORS
ONLY
NOTES:
1. ALL FIELD WIRING TO BE ACCOMPLISHED FOLLOWING CITY, LOCAL
AND/OR NATIONAL CODES IN EFFECT AT THE TIME OF INSTALLATION
OF THIS 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 DEGREE C,
600 VOLT WIRE OR EQUIVALENT CLEARLY RENUMBERED FOR IDENTIFICATION.
VERIFY PROPER OPERATION AFTER SERVICING.
3. MOTORS ARE INHERENTLY PROTECTED.
4. FACTORY WIRED FOR 230 VOLT OPERATION.
FOR 208 VOLT, MOVE WIRE 107/PR TO 208 VOLT TERMINAL ON T1.
5. SHUNT CONTACT ALSO USED WITH CRANKCASE HEATER (OPTIONAL)
6. SEE UNIT NAMEPLATE FOR MAXIMUM FUSE AND/OR CIRCUIT BREAKER SIZE
AND MINIMUM CIRCUIT AMPACITY.
CONTROL BOARD SETTINGS:
COMBUSTION BLOWER POSTPURGE: 30 SEC
INDOOR BLOWER HEAT ON DELAY: 30 SEC
INDOOR BLOWER COOL OFF DELAY: 30 SEC
INDOOR BLOWER HEAT OFF DELAY: FIELD SELECT
STRAIGHT LINE INDICATES SWITCH POSITION
101/BK
106/R
100/BK
107/PR
110/BK
240V/PR
240V/BK
180
120
90
60
M1-1
M1-2
235/BL
214/W
ORN/O
COMPRESSOR START ASSIST
117/O
OPTION 1
OPTION 2
TO M1-T1
TO RC1-HERM
TO RC1-C
109/BK
198/BR
115/Y
H
BLK
BLK
BLK
BLK
247/BL
249/BL
250/BR
251/O
252/BR
253/BR
254/O
255/BR
257/R
C
258/BL
259/Y
260/Y
262/R
263/W
264/G
265/O
266/O
267/Y
268/R
269/BK
YEL
BLU
BLU
BLU
277/BK
278/BK
279/BR
281/Y
BLK
BRN
BLK
WHT
YEL
WHT/W/W1
290/R
RED
P10
293/BR
294/BR
295/W
RED
296/R
W1
CFMCB
W2
G
C
Y1
Y/Y2
R
O
X/L
COMP
COND
M1
HP
LP
11
3
1
6
12
9
14
1
2
4
6
3
P9
P6
K2
K1
P4
P3
P2
5
13
15
A
B
C
D
ADJ
COOL
DELAY
HEAT
HP
(JUMPER NOT
REQUIRED)
A
B
C
D
A
B
C
D
A
B
C
D
5
AB
HI
COM
LO
M1C
4
7
16
8
O
CCH
ODF
L1
LPS
LPS
RVG
RV
C
M1
M2
M
HPS
HPS
C
Y1
Y2
O
W
X/L
R
BSG
BS
Y2OUT
DEFROST CONTROL BOARD
DCB
LLG
LL
AMB
AMBG
DISG
DIS
W2OUT
W1OUT
ON
OFF
*FFUEL
* JUMPER SHALL
BE SET TO
"ON" FOR HEAT
PUMP OPERATION
HIGH LIMIT INPUT
ROLLOUT SWITCH INPUT
POWER TO GAS RELAY COIL
SW1
BLOWER OFF
DELAY SELECT
60
90
120
180
FS
L1
H-IND
IND
HEAT
COOL
CONT
SPARK
TRANSFORMER
CONTINUOUS
POWER FOR
LOGIC
R
24VAC
Y
C
W1
W2
P1-8
P1-3
P1-5
G
C
JW6 PRESENT
WHEN HIGH
PRESSURE
SWITCH NOT
USED
P1-2
P1-1
P1-4
P1-7
K2
K4
JW6
P1-9
P1-6
PILOT
K7
K7
K5
K5
K6
K6
K3
FLAME SENSE
K1
EMCB
M
1
COMPR
C
S
R
P
RS
ALS
LS
C
PRI
24V SEC
75VA
208V
230V
T1
M
1
DM
M
1
ID_FAN
GND
M
1
OD_FAN
GAS_VALVE
P
M
C
H1
RC1
5
1
5
4
3
3
6
12
13
15
IMCB
S4
S5
11
9
14
7
16
4
8
2
OMCB
8
11
5
3
1
6
12
9
14
13
15
4
7
16
P4
8
11
5
3
1
6
12
9
14
13
15
4
7
16
S9
5
4
3
P5
1
2
4
6
3
5
S6
9
6
3
8
5
7
4
1
2
LP
AB
RVS
DS-A
DS-C
Y1
R
W2
G
C
O
ROOM THERMOSTAT
PROGRAMMABLE
THERMOSTAT
ONLY
Y2
E
FIELD WIRING
OPTIONAL WIRING AND DEVICES
FACTORY WIRING AND DEVICES
L1
T1
L2
T2
M1
AB
DR
AB
DR-1
72
PTCR
115/Y
198/BR
TO RC1
C
TO RC1
HERM
SC
5
1
2
SR
TB1_GND
2
S10
TB2
CB
3.2 AMP
HP
AB
FCS
AB
PS
813420-UWD-A-0512