42
HIGH VOL
TA
G
E
!
DIS
C
ONNECT
AL
L
POW
E
R BEF
O
RE
SERVICI
NG OR IN
S
TA
L
L
IN
G
T
H
IS
UNIT
.
M
U
LT
IPL
E
PO
W
E
R SO
UR
CES M
A
Y BE P
R
ESEN
T.
F
A
IL
URE
T
O
DO SO
M
A
Y CAUS
E PROP
ERT
Y
DAM
AG
E,
PERSONAL
I
N
JU
R
Y
OR DE
A
T
H
.
WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DSH036*/DSH048* SINGLE PHASE
208-230V/1PH/60HZ DIRECT DRIVE
HPS
2
6
GND
/
RD
RD
2
0
8
-
2
4
0
R
208-240/1/60
SEE UNIT RATING PLATE FOR TYPE AND SIZE
PU
5
BK
BL
PLF 2
OF OVER CURRENT PROTECTION
TR
BLOWER INTERLOCK RELAY
CONTACTOR
COMPRESSOR CONTACTOR RELAY
CRANKCASE HEATER
CRANKCASE HEATER SWITCH
CONDENSER MOTOR
COMPRESSOR
DEFROST CONTROL
DEFROST THERMOSTAT
ECONOMIZER
EVAPORATOR MOTOR
EQUPIMENT GROUND
HIGH PRESSURE SWITCH
HIGH VOLTAGE DEFROST RELAY
LOW PRESSURE SWITCH
LOW VOLTAGE DEFROST RELAY
LOW VOLTAGE JUNCTION BOX
FEMALE PLUG / CONNECTOR
REVERSING VALVE COIL
RUN CAPACITOR FOR
CONDENSER FAN
TERMINAL BLOCK (24V SIGNAL)
TRANSFORMER
BLOWER CAPACITOR
DFT
2
C
C
WH
8
L2
PLF2
24V
CM
C
BIR
C
CCR
CH
CHS
CM
COMP
DC
DFT
ECON
EM
GND
HPS
HVDR
LPS
LVDR
LVJB
PLF
RVC
RCCF
TB1
TR
BC
6
0
YL
HVDR
RD
C
4
L1
/
BK
CM
SUPPLY VOLTAGE
L1
COMPONENT LEGEND
PU
5
7
6
BL
3
F
3
PLF 1
DF2
3
T2
RCCF
RD
BR
COMP
9
DF1
T2
BK
T1
1
BL
BR
4
RD
1
SEE NOTE 2
GR
T1
S
L2
2
C
BR
CONTROL BOX
RCCF
1
C
YL
OR
GR
BR
RD
WH
PU
LVJB
BL
H
T
O
R
W2
T
Y1
T
G
Y2
A
W1
E
M
S
O
C
R
BL
SEE NOTE 3
208-240V
HPS
YL
WH
BL
PU
GR
4
5
6
3
1
2
SEE NOTE 5
OR
OR
LOW VOLTAGE
LINE VOLTAGE
FIELD WIRING
LOW VOLTAGE
OPTIONAL
HIGH VOLTAGE
FACTORY WIRING
HIGH VOLTAGE
BL/PK
GR GREEN
WIRE CODE
BL BLUE
PU PURPLE
PK PINK
WH WHITE
BK BLACK
RD RED
BR BROWN
OR ORANGE
YL YELLOW
BL/PK BLUE WITH PINK STRIP
YL/PK YELLOW WITH PINK STRIP
BL
BR
RD
BR
RD
PK
208
BK
BL
BR
3 SPEED
C
BL
PU
RD
SEE
NOTE #2
1
NO
EM
M1
K1
G
BL
XFMR-C
XFMR-R
R
PU
EBTDR
SPEED
NC
GR
240
BK
M2
BL
UP
TR
COM
24V
BK
BC
RD
BK
RD
K1
3
2
C
BR
PU
BL
BK
RD
PU
BK
PU
RD
OR
RD
RVC
BK
RD
DFT
BR
WH
BK
BK
BK
PU
EM
BR
EBTDR
8
4
9
7
6
PLF
5
R
R
C
XFMR
G
EBTDR
BL
RD
OR
Y1
YL
W
BL
G
R
OR
W
NO ECONOMIZER
G
OR
YL
RD
Y2
Y1
PK
WH
W
R
RD
WH
GR
C
O
R
YL
O
GR
Y1
G
WH
WITH ECONOMIZER OPTION
C
GR
THERMOSTAT
FIELD WIRING
BL
C
O
2 STAGE COOLING
TB1
G
R
W
Y
C
O
TB1
TB1
Y
W
O
R
G
C
W
Y2
G
R
C
O
Y1
STAT
STAT
STAT
BL
BK
PU
T1
BK
T3 T2
YL
RD
COMP
ALTERNATE
MOTOR
6-WIRES
SEE TABLE 1
BC
3 SPEED
BL
EM
RD
BK
BR
RD
PU
NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE
INSULATION AS ORIGINAL (AT LEAST 105°C) USE
COPPER CONDUCTOR ONLY.
2. TO CHANGE EVAPORATOR MOTOR SPEED MOVE
M1 OR M2 WIRE TO COM TERMINAL ON EBTDR AND
PLACE WIRE REMOVED FROM COM ON EMPTY M1
OR M2 TERMINAL.
3. FOR 208 VOLT TRANSFORMER OPERATION MOVE
BLACK WIRES FROM TERMINAL 3 TO TERMINAL 2 ON
TRANSFORMER.
4. USE COPPER CONDUCTORS ONLY.
++
USE N.E.C. CLASS 2 WIRE
5. ECONOMIZER PLUG LOCATED IN RETURN AIR
COMPARTMENT. REMOVE MALE PLUG AND ATTACH
TO ECONOMIZER ACCESSORY.
6. DIAGRAM SHOWS FACTORY SPEED TAP SETTINGS.
7. CRANKCASE HEATER AND CRANKCASE HEATER
SWITCH FACTORY EQUIPPED WHEN REQUIRED.
8. DOUBLE POLE CONTACTOR SHOWN. SINGLE POLE
CONTACTOR COULD BE FACTORY EQUIPPED AS AN
ALTERNATE CONFIGURATION.
9. COMMON SIDE OF CONTACTOR CAN NOT BE GROUNDED
OR CONNECTED TO ANY OTHER COMMON (24V).
TABLE 1
ALTERNATE MOTOR WIRING
TABLE 2
SPEED TAPS
COLOR
RD
BK
BL
PU
TERMINATION
COM (EBTDR)
M1 (EBTDR)
M2 (EBTDR)
PIN 1 (24V XFMR)
RD
BL
BK
LOW
MED
HIGH
1
3
2
YL
BIR
C
F
H
H
CHS
CH
LPS
RD
BK
SEE NOTE 8
SEE NOTE 9
RD
RD CHS
CH
GR
BK
BK
BK
R
BL/PK
2 POLE ONLY
SEE NOTE 8
YL/PK
YL/PK
DC
DFT
Y
C
R
RVC
CNT
R-PS1
PS2
R
W
O
R-DFT
O-RV
C-RV
DFT
PU
PU
YL
YL
RD
LPS
PU
BR
TB1
YL
2 POLE ONLY
SEE NOTE 8
1
DC
R
D
F1
D
F2
0
0-RV
C-RV
W
LVDR
HVDR
CCR
CNT
0
D
FT
R
-D
FT
R
-P
S1
Y
Y
C
R
C
C
PS2
RD
8
7
9
7
8
9
R
O
G
C
Y1
W1
THERMOSTAT
W2
S2
S1
R
O
G
C
Y1
W1
THERMOSTAT
W2
Y2
S2
S1
S2
S1
RD
BR
BR
PK
Y2
Y2
EQUIPMENT
GROUND
FIELD GROUND
FIELD SPLICE
SWITCH (TEMP)
IGNITER
SWITCH (PRESS.)
OVERCURRENT
PROT. DEVICE
JUNCTION
TERMINAL
INTERNAL TO
INTEGRATED
CONTROL
PLUG
CONNECTION
208-240/1/60 0140L02904-B
++
++
++
OPTIONAL
LOW VOLTAGE
SMOKE/FIRE
DETECTOR
REPLACES
JUMPER
SEE NOTE 7
SEE NOTE 7
