44
UNIT WIRING DIAGRAMS
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DCC300XXX6BXXX**
0140L06190-A
RD
NOTES
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL (USE COPPER CONDUCTORS ONLY).
2. THE CONTROL TRANSFORMER HAS MULTIPLE HIGH VOLTAGE TAPS.
ENSURE WIRE CONNECTIONS ARE CORRECT FOR UNIT SUPPLY VOLTAGE RATING
L1
L2
L3
T1
T2
T3
F1
F2
F3
L1
L2
L3
T1
T2
T3
COMP 1
COMP 2
L1
L2
L3
T1
T2
T3
L1
L2
L3
T1
T2
T3
RD
GY
BK
BK
BR
PU
BR
PU
BK
PU
BK
BR
YL
BK
BK
BK
BR
RD
PU
PU
BK
RD
RD
YL
PU
RD
PU
BR
RD
YL
PU
BR
PU
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BR
BR
PU
BK
LINE
VOLTAGE
24V CNTL
VOLTAGE
TR1
CCAS1
CMC 1
CCAS2
CMC 2
FB 1
CC2
CC1
PB
CCH1
CCH2
P
U
B
K
B
R
G
Y
B
K
B
K
B
R
L
1
L
2
L
3
G
R
G
R
3. SEE CONTROL DIAGRAM 0140L04729/30 FOR CONTROL TRANSFORMER LOW VOLTAGE CONNECTIONS
4. OPTIONAL; BC2 IS PRESENT ONLY WITH 2-SPEED EVAPORATOR MOTOR.
4
2
,
3
C
M
1
C
M
2
Y
L
B
K
B
R
P
U
B
K
B
R
G
R
G
R
1
2
3
1
2
3
1
2
3
1
2
3
P
U
B
K
B
R
P
U
B
K
B
R
L
1
L
2
L
3
L
1
L
2
L
3
5
.
U
S
E
C
O
P
P
E
R
C
O
N
D
U
C
T
O
R
S
O
N
L
Y
.
U
N
I
T
T
E
R
M
I
N
A
L
S
A
R
E
N
O
T
D
E
S
I
G
N
E
D
F
O
R
O
T
H
E
R
C
O
N
D
U
C
T
O
R
S
.
T
H
E
U
S
E
O
F
O
T
H
E
R
T
Y
P
E
C
O
N
D
U
C
T
O
R
S
M
A
Y
C
A
U
S
E
D
A
M
A
G
E
T
O
T
H
E
U
N
I
T
.
P
O
W
E
R
D
I
A
G
R
A
M
D
C
C
3
0
0
*
*
*
6
B
G
N
D
R
D
B
K
O
R
L
1
L
2
L
3
T
1
T
2
T
3
L
1
L
2
L
3
T
1
T
2
T
3
E
M
G
Y
B
L
Y
L
R
D
B
L
Y
L
B
K
O
R
G
Y
R
D
B
L
Y
L
B
K
O
R
G
Y
F
4
F
5
F
6
R
D
B
K
O
R
R
D
B
K
O
R
B
C
1
B
C
2
F
B
2
Y
L
(
1
1
)
B
K
(
1
)
B
K
(
2
)
B
K
(
3
)
Y
L
(
1
3
)
Y
L
(
1
2
)
G
R
5
BLOWER CONTACTOR
COMPR ESSOR
ELECTR ONIC B LOWER TIME D ELAY R ELAY
HIGH PRESSUR E SW ITCH
POW ER DISTRIBUTION BLOC K
BC
COM P
EBTDR
PB
PM
TB1
LOW VOLTAGE
LINE VOLTAGE
FIELD
WIRING
LOW VOLTAGE
OPTIONAL
HIGH VOLTAGE
FACT OR
Y WIRING
HIGH VOLTAGE
GR GREEN
W
IRE CODE
BL BLUE
PU PURPLE
PK PINK
WH WHITE
BK BLACK
RD RED
BR BROWN
OR ORANGE
YL YELLOW
BLOWER RELAY
CIRCUIT BREAKER
COMPRESSOR CON TACTOR R ELAY
BR
CB
CC R
COMPR ESSOR CONTACTOR
CO NDEN S ER M OT OR
ECONOMIZER
EVAPORATOR MOTOR
LOW PR ESSURE SW ITCH
FEMALE PLUG / CONNE CTOR
LOW VOLTAGE TERMINAL BLOCK 1
CON TRO L TRANSFORMER (LINE VO LTAGE/24VAC)
CC
CM
ECON
EM
HPS
LPS
PLF
TR1
C
OMPONE NT LEGEND
GY GRAY
CRAN K CASE HEATER
CC H
PHASE MONITOR
LOW VOLTAGE TERMINAL BLOCK 3
TB3
COND E N SER M O TO R C ON TA CT OR
CM C
CC A UX S WI TC H
CC AS
CM /CCH /TR 1 FUS E B LO CK
FB1
EM FUSE BLOCK
FB2
CM/CCH /TR1 FUSESF1, F2, F3
EM FUSES
F4, F5 , F6
L
2
L
3
L
1
L
2
L
3
L
1
L
1
L
2
L
3
L
I
N
E
V
O
L
T
A
G
E
Y
L
R
D
B
K
P
U
O
R
7
6
.
S
E
E
A
C
C
E
S
S
O
R
Y
K
I
T
L
I
T
E
R
A
T
U
R
E
F
O
R
O
P
T
I
O
N
A
L
E
L
E
C
H
E
A
T
A
N
D
C
O
N
V
E
N
I
E
N
C
E
O
U
T
L
E
T
W
I
R
I
N
G
D
I
A
G
R
A
M
S
.
POWER DIAGRAM
DCC300, 400V
P
L
M
P
L
F
P
L
M
P
L
F
P
U
R
D
L1 L2 L3
P
M
O
R
B
K
R
D
O
R
B
K
R
D
PLM
MALE PLUG / C ONNE CTOR
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