Technical Guide
718432-YTG-D-0313
Johnson Controls Unitary Products 53
Typical DEZ048 Cooling Only 208/230-1-60 Volt Wiring Diagram
KW
30 AMP 250 VOLT
REPLACE WITH/REMPLACER PAR:
BUSSMAN FRN-R30
CHASE SHAWNUT TR30R
LITTLE FUSE FLN-R30
60 AMP 250 VOLT
REPLACE WITH/REMPLACER PAR:
BUSSMAN FRN-60
CHASE SHAWNUT TR60R
LITTLE FUSE FLN-R60
5 N/A FU1 & 2
7.5 & 10 FU3&F4 FU1 & 2
15 FU3-6 FU1 & 2
20 & 25 N/A FU1-6
PRESSURE CONTROLS
DEVICE OPERATING PRESSURE (PSIG)
OPEN +/- CLOSE +/-
HP 625 25 525 25
LP 7 3 22 5
COOLING UNIT WITH ELECTRIC HEAT ELEMENTARY DIAGRAM
CAUTION - OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT
709/BK 101/BK
BLK703/BK 704/BL
706/BK 707/R
705/PR
711/BK 712/BL 713/PR
714/BK 715/R
708/PR
716/PR
710/PR 102/Y
BRN
PRP
103/BR
104/R
POWER SUPPLY WITH ELEC HEAT 208/230-1-60
USE COPPER CONDUCTORS ONLY
P3
S2
POWER SUPPLY W/OUT ELEC
HEAT 208/230-1-60
USE COPPER CONDUCTORS ONLY
701/Y
702/PR
808/BR
109/BK
281/BR203/BR
812/R
810/BL
815/R
814/BL
816/O
813/O
817/O
128/BK
108/PR
GRN
L1
L2
BLK
BLK
OPTIONAL CCH
S/P CONFIGURATION
L1
L2
BLK
BLK
OPTIONAL CCH
D/P CONFIGURATION
709/BK
710/PR
703/BK-711/BK
705/PR-713/PR
706/BK-714/BK
708/PR-716/PR
104/R PR
BR
127/PR
710/PR
709/BK
109/BK
101/BK
BLK
102/Y
104/R
108/PR 109/BK
224/R 201/BR
205/R
701/Y
702/PR
129/PR
128/BK
277/Y 202/Y
279/W
808/BR
204/BR
809/O
203/BR
CONTROL BOX
NOTE: JUMPER 204/BR NOT
PRESENT W/ELECTRIC HEAT
809/O
811/O
808/BR
ELECTRIC HEAT SECTION
803/BK
804/BK
805/BL
804/BK
803/BK
802/BK
101/BK 103/BR
102/Y
BLK
BRN
PRP
127/PR
GRN
125/BK
281/BR
FACTORY WIRING AND DEVICES
OPTIONAL WIRING AND DEVICES
FIELD WIRING
810/BL
NOTES:
1. ALL FIELD WIRING TO BE ACCOMPLISHED FOLLOWING CITY, LOCAL AND/OR
NATIONAL CODES IN EFFECT AT TIME OF INSTALLATION OF THIS UNIT.
2. CAUTION: LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING
CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS
OPERTION.IF ANY OF THE WIRE, AS SUPPLIED WITH THE UNIT MUST BE
REMOVED,IT MUST BE REPLACED WITH TYPE 105 DEGREE C, 600 VOLT
WIRE OREQUIVALENT CLEARLY RENUMBERED FOR IDENTIFICATION. VERIFY
PROPER OPERATION AFTER SERVICING.
3. MOTORS INHERENTLY PROTECTED
4. FACTORY WIRED FOR 230V. FOR 208V OPERATION, MOVE WIRE 108/PR TO
208V TAP ON TRANSFORMER T1.
5. SEE UNIT NAMEPLATE FOR MAXIMUM FUSE AND/OR CIRCUIT BREAKER SIZE
AND MINIMUM CIRCUIT AMPACITY.
6. WIRE 204/BR IS REMOVED WHEN ELECTRIC HEAT IS INSTALLED.
7. REMOVED
{LEGEND
CCH
ASCT
COMPR
FCB
FU1-2
FU3-4
FU5-6
F24
HP
HTR1
HTR2
HTR3
HTR4
HTR5
ID_FAN
K1
K2
K3
K4
K5
K6
K7
LP
LS
LR
M1
OD_FAN
P2/S2
P3/S3
RC1/RC2
RC1
RC2
T1
TB1
S2/P2
S3/P3
PTCR
FU1
FU2
FU3
FU4
FU5
FU6
704/BL
817/O
813/O
703/BK
810/BL
814/BL
701/Y
816/O
813/O
706/BK
815/BL
812/R
712/BL
811/O
817/O
711/BK
814/BL
715/R
816/O
714/BK
815/R
BLK
BLK
702/PR
704/BL 705/PR
707/R 708/PR
715/R 716/PR
712/BL 713/PR
707/R
LS
CCHFS
LP
HP
HTR1
HTR2
HTR3
HTR4
HTR5
105/R
103/BR
RC2 RC1
201/BR
203/BR
281/BR
806/BR
202/Y
807/BL
ALTERNATE CAPACITOR WIRING
103/BR
PR
BR
104/R
RC1/RC2
105/R WITH ALT
CAPACITORS ONLY
8
811/O
M1AB
235/Y
A2
B7
233/BL
202/Y
227/BK
LR (SEE NOTE 7)
3
12
807/BL
806/BR
805/BL
ASCT (SEE NOTE 7)
801/BL
SHUNT CONTACT ALSO USED WITH CRANKCASE
HEATER. (OPTIONAL)
8.
K3
K4
K5
K6
125/BK
205/R
201/BR
224/R
809/O
226/O
225/BK
LTRIP
ECM
278/
PR
125/BK
226/O
225/BK
K7 226/0
280/BL
225/BK
224/R
127/PR
129/PR
(LOW)
(LOW/MED)
(MED)
(MED/HIGH)
(HIGH)
COMPR
OD_FAN
ID_FAN
2_SPEED
277/Y
278/PR
279/W
280/BL
9.
SELECT SPEED TAP TO ATTAIN DESIRED AIRFLOW.
ID_FAN
(LOW)
(LOW/MED)
(MED)
(MED/HIGH)
(HIGH)
129/PR
229/BL
202/Y
111/R
112/BR
FU1
FU2
FU3
FU4
FU5 FU6
M1
L2 T2
R
Rc
G
Y1
Y2
W1
W2
TH2
TH2 ANT
TH1
TH1 ANT
TC2
TC1
TC2
ANT
AUTO
ON
FAN SWITCH
TC1
ANT
OFF
HEAT
AUTO
COOL
ROOM THERMOSTAT
1
BLK
BRN
PRP
P
M
T
LH
FL
H4
H3
H2
P2
L1
L1
H1
L2
L2
L2
S3
L1
L1
K1
K2
R
Y
G
W2
W1
O
C
TB1 TB1
24V
Y
G
W2
W1
O
C
FU24
FCB
M
230V
C
L
G
N
1
2
3
4
5
1
1
2
3
4
5
1
2
3
4
RC1
RC2
LP
HP
M1AB
C
PRI
24V SEC
75 VA
208V240V
T1
GND
K3AB
K3
COM NO
K4AB
K4
COM NO
K5AB
K5
COM NO
K6AB
K6
COM NO
HTR1
LS
HTR2
HTR3
HTR4
HTR5
1
M
C
R
S
1
3
4
5
6
2
1
2
3
4
6
CCH
CCH_
GND
LUG
T1
SEC
240 208 C
24V COM
R
Y
G
W2
W1
O
C
24
VAC
L1 L1 H1 L2 L2
L1
L2
L1
TRANSFAN
H2
H3
LT
FL
LH
T
2 SPEED
LTRIP
FAN CONTROL
K2 K1
COMPR
L1 L2
L3
OUTDOOR
FAN
BLK
BRN
PRP
M
230V
C
L
G
N
1
2
3
4
5
1
2
3
4
5
1
2
3
4
1
NO COM
NO COM
NO COM
NO COM
K7
NO COM
K7_AB
NO COM
9
M1_
L1 T1
PTCR
AB
851861-UWD-A-0412
CRANKCASE HEATER (OPTIONAL)
ANTI-SHORT CYCLE TIMER (OPTIONAL)
COMPRESSOR
FAN CONTROL BOARD
FUSE (5, 7.5, 10, 15, 20 & 25 KW ELEC HEAT)
FUSE (7.5, 10, 15,20 & 25 KW ELEC HEAT)
FUSE (15, 20 & 25 KW ELEC HEAT)
FUSE 24V SECONDARY, 5 AMP
SWITCH, HIGH PRESSURE
ELEC HEATER (OPTIONAL: ALL KW ELEC HEAT)
ELEC HEATER (OPTIONAL: 7.5, 10, 15, 20,
& 25 KW ELEC HEAT)
ELEC HEATER (OPTIONAL: 20 & 25 KW ELEC HEAT)
ELEC HEATER (OPTIONAL: 15, 20 & 25 KW ELEC HEAT)
ELEC HEATER (OPTIONAL: 20 & 25 KW ELEC HEAT
INDOOR FAN MOTOR
RELAY, INDOOR FAN MOTOR
RELAY, ELEC HEATER
RELAY, ELEC HEAT 24 VDC COIL (7.5, 10, 15, 20,
RELAY, ELEC HEAT 24 VDC COIL (20 KW ELEC HEAT)
RELAY, ELEC HEAT 24 VDC COIL (25 KW ELEC HEAT)
RELAY, ELEC HEAT 24 VDC COIL (20 & 25 KW ELEC HEAT)
RELAY, LIMIT TRIP 24VDC COIL
SWITCH, LOW PRESSURE (OPTIONAL)
SWITCH, LIMIT
LOCK OUT RELAY (OPTIONAL)
CONTACTOR, COMPR & OD_FAN
OUTDOOR FAN MOTOR
SOCKET/PLUG CONNECTION, 24V
SOCKET/PLUG CONNECTION, LINE VOLTAGE
COMP. START & OUTDOOR FAN RUN CAPACITOR
COMP. START (ALTERNATE)
OUTDOOR FAN CAPACITOR, RUN (ALTERNATE)}
TRANSFORMER, 24V, 40 VA
TERMINAL BLOCK, FCB
SOCKET/PLUG CONECTIONT ON FCB, LOW VOLTAGE
SOCKET/PLUG CONNECTION ON FCB, LINE VOLTAGE
START ASSIST
228/BK