33
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
HIGH VOL
T
A
G
E
!
DIS
C
ONNECT
AL
L
POW
E
R BEF
O
RE
SERVICI
NG OR IN
S
T
A
L
L
IN
G
T
H
IS
UNIT
.
M
U
L
T
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
J
U
R
Y
OR DE
A
T
H
.
WIRING DIAGRAMS
BL
M2
RD
Y2
O
BL/PK BLUE WITH PINK STRIP
PU
1
8
C
C
SEE NOTE 4
BK
1
C
LPS
OR
PU
OR
RD
RD
PK PINK
9
C
O
4
DC
GR
BR
YL
T1
YL
RD
DF
1
208
YL/PK YELLOW WITH PINK STRIP
WIRE CODE
THERMOSTAT
FIELD WIRING
WH
BK
BL/PK
RD
R-D
FT
CH
BL
4
1
BK
RVC
BL
RD
TB1
R
BR
TR
G
OF OVER CURRENT PROTECTION
W
OR
RD
R
O-RV
DC
LINE VOLTAGE
WH
RD
BL
C
RD
C
EBTDR
RD
RD
BK
C
OR
R
C
Y1
240
L1
OR
BK
OPTIONAL
HIGH VOLTAGE
W
3
T2
O
0
R
YL
T2
F
YL
O
EM
LOW VOLTAGE
GR
PU
W
DF2
STAT
/
T3
BK
BK
E
T2
GR
C
SPEED
DF
T
YL
BL/PK
208-240/3/60
RD RED
DFT
PU
RD
FACTORY WIRING
CM
A
TB1
CH
R
RD
S
OR
RD
PLF2
24V
PU
BR
C
BK
GR
RD
6
PK
LOW VOLTAGE
BK
C
TB1
T
BL BLUE
RD
R-PS1
LVDR
H
EBTDR
24V
YL
PLF 2
RD
C-RV
BK BLACK
DF
2
BL
YL
WH
BC
WH
T3
Y1
O
R
SEE NOTE 4
GR
L3
6
OR
SUPPLY VOLTAGE
W
R-DFT
Y
RD
SEE NOTE 5
R
R
-PS1
NO ECONOMIZER
BC
RCCF
NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND
TYPE INSULATION AS ORIGINAL (AT LEAST 105°C)
USE COPPER CONDUCTOR ONLY.
2. USE COPPER CONDUCTORS ONLY
++
USE N.E.C. CLASS 2 WIRE
3. ECONOMIZER PLUG LOCATED IN THE RETURN AIR
COMPARTMENT. REMOVE MALE PLUG AND ATTACH
FEMALE PLUG TO THE ECONOMIZER ACCESSORY.
4. FOR 208 VOLT TRANSFORMER OPERATION MOVE
BLACK WIRE FROM TERMINAL 3 TO TERMINAL 2 ON
TRANSFORMER.
5. CRANKCASE HEATER AND CRANKCASE HEATER
SWITCH FACTORY EQUIPPED WHEN REQUIRED.
2
RD
L2
2
Y
T3
GR
RD
T3
OR ORANGE
6
RD
T3
L1
R
OR
R
BL
C
PU
Y
WH
BC
C
CCR
CH
CHS
CM
COMP
DC
DFT
ECON
EBTDE
MR
EM
GND
HPS
HVDR
LPS
LVDR
PLF
RVC
RCCF
TB1
TR
R
2
G
/
CM
BL
T3
O
4
W
6
0
TB1
P
L
F
1
BK
RD
C
BL
BK
CHS
YL/PK
BR
YL/PK
OR
BC
BL
T1
WH
BL
BLOWER CONTACTOR
COMPRESSOR CONTACTOR RELAY
CONTACTOR
CRANKCASE HEATER
CRANKCASE HEATER SWITCH
CONDENSER MOTOR
COMPRESSOR
DEFROST CONTROL
DEFROST THERMOSTAT
ECONOMIZER
ELECTRONIC BLOWER TIME DELAY
EVAPORATOR MOTOR RELAY
EVAPORATOR MOTOR
EQUIPMENT GROUND
HIGH PRESSURE SWITCH
HIGH VOLTAGE DEFROST RELAY
LOW PRESSURE SWITCH
LOW VOLTAGE DEFROST RELAY
FEMALE PLUG / CONNECTOR
REVERSING VALVE COIL
RUN CAPACITOR FOR
CONDENSER FAN
TERMINAL BLOCK (24V SIGNAL)
TRANSFORMER
BK
R
C
BL
BL
CHS
GR
G
BL
RD
C
PS2
SEE NOTE 3
RD
GR
BK
COMP
W1
STAT
YL
EBTDR
UP
G
7
HPS
BC
HVDR
T
RVC
6
BL
208-240V
GR
PU
REPLACE
JUMPER WITH
SMOKE/FIRE
DETECTOR
PU
C
G
RD
W
DFT
YL
3
T2
F
0
C-RV
OR
SEE UNIT RATING PLATE FOR TYPE AND SIZE
R
R
YL YELLOW
GR GREEN
T1
YL
1
PU
WH WHITE
2
208-240/3/60 0140L02909-B
Y
C
M
0-RV
HPS
2
0
8
-
2
4
0
RD
4
XFMR-R
L3
Y1
BK
GR
3
T1
1
BC
K1
2 STAGE COOLING
3
WITH ECONOMIZER OPTION
PB
CNT
PLF 1
W2
O
5
C
STAT
M1
LPS
YL
EBTDR
T2
SEE NOTE 2
L2
5
RD
L1
L2
L3
R
EM
NO
OR
PU
BR
NC
Y2
3
G
BR
BR BROWN
GND
WH
C
G
Y1
5
O
CCR
K1
DF1
XFMR-C
CNT
COMPONENT LEGEND
W
COM
Y1
BK
5
BL
DFT
FIELD WIRING
T1
RCCF
TR
HVDR
HIGH VOLTAGE
G
O
3
Y
C
C
COMP
PK
T2
SEE NOTE 5
BL
C
2
BK
W
R
BL
T
PU PURPLE
PS2
G
7
9
8
9
7
8
R
O
G
C
Y1
W1
W2
Y2
S2
S1
R
O
G
C
Y1
W1
THERMOSTAT
W2
S2
S1
S1
S2
RD
BR
BR
PK
Y2
Y2
Y2
EQUIPMENT GROUND
FIELD GROUND
FIELD SPLICE
SWITCH (TEMP)
IGNITER
SWITCH (PRESS.)
OVERCURRENT
PROT. DEVICE
JUNCTION
TERMINAL
INTERNAL TO
INTEGRATED CONTROL
PLUG CONNECTION
++
++
++
OPTIONAL
LOW VOLTAGE
DCH036*/DCH048*/DCH060*/DCH072* (B) THREE PHASE 208-230V/3/60HZ BELT DRIVE
