UNIT WIRING DIAGRAMS
43
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**
0140L06189-A
SEN2
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
1
2
3
SEN1
3A
1
3
4
2(NO)
13
4
2(NO)
CC1
CMC1
CC2
CMC2
1
2
3
4
1
2
1
2
3
4
1
2
AUX2-1
OCC
E-GND
EXH1
AUX1-O
Y2-I
Y2-O
Y1-I
C
R
Y1-O
1
2
MAT
MAT
1
2
OAT
OAT
1
2
S-BUS
S-BUS
1
2
3
1
2
3
4
IAQ 2-10
IAQ COM
IAQ 24V
ACT COM
ACT 24V
1
2
3
4
5
6
7
8
9
GRD
MAS
OD ENTH
ECON
ACT
ECON PLM
ECON MODULE
7
18
8
17
6
16
B
R
Y
Y
AUX B
AUX A
10
9
B
R
Y
Y
SENSOR 1
SENSOR 2
24V AC/DC
24V AC/DC
B
R
Y
Y
B
R
Y
Y
ECON
PLF
ECON SHRT
PLM
PLM 3
PLF 3
CCR1
CCR2
TB3
YL
BL
YL
RD
RD
PU
PU
YL
PU
BL
BL
BLBL
YL
PU
BK
YL
PU
GR
YL
PU
PU
YL
GR
BL
RD
BL
RD
RD
GR
RD
WH
GR
YL
PU
RD BL
BL
NOTES:
1. REPLACEMENT WIRE MUST BE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL (USE COPPER CONDUCTORS ONLY).
2. IF OPTIONAL ECONOMIZER IS INSTALLED, REMOVE ECON SHRT PLM AND CONNECT ECON PLM TO ECON PLF.
BL
BL
SUPPLY (LINE)
VOLTAGE
24 VAC
TR1
2
2
3
.
T
B
3
L
O
W
V
O
L
T
A
G
E
T
E
R
M
I
N
A
L
B
L
O
C
K
.
F
O
U
R
T
E
R
M
I
N
A
L
S
F
O
R
2
4
V
A
C
P
W
R
(
R
E
D
W
I
R
E
)
A
N
D
S
I
X
T
E
R
M
I
N
A
L
S
F
O
R
2
4
V
A
C
C
O
M
(
B
L
U
E
W
I
R
E
)
.
4
.
C
O
N
N
E
C
T
I
O
N
S
S
H
O
W
N
A
R
E
F
O
R
1
-
S
T
A
G
E
H
E
A
T
O
P
E
R
A
T
I
O
N
.
W
H
E
N
2
-
S
T
A
G
E
O
P
E
R
A
T
I
O
N
I
S
R
E
Q
I
R
E
D
R
E
M
O
V
E
J
U
M
P
E
R
W
I
R
E
C
O
N
N
E
C
T
I
N
G
W
2
T
O
W
1
O
N
T
B
1
.
C
N
T
L
D
I
A
G
D
C
C
3
0
0
*
*
*
6
B
3
GR
SMOKE DETECTOR
PK
PK
BL
THERMOSTAT WIRING
Y1
TB1
W
G
W
PK
RD
Y1
R
OR
BL
GR
C
2
STAGECOOLING
WH
O
O
Y2
C
G
R
YL
Y1
TB1
W
G
PK
RD
OR
BL
GR
WH
O
STAT
Y2
C
R
YL
Y2
RD
1
2
3
4
5
6
7
8
9
EBTDR
(NO)
(NC)
COM
G
R
XFMR-R
XFMR-C
C
SPEEDUP
M1
M2
BR
RD
5
.
E
B
T
D
R
R
E
L
A
Y
E
N
E
R
G
I
Z
E
S
7
S
E
C
A
F
T
E
R
2
4
V
A
C
I
S
A
P
P
L
I
E
D
T
O
"
G
"
.
T
H
E
R
E
L
A
Y
D
E
-
E
N
E
R
G
I
Z
E
S
6
5
S
E
C
A
F
T
E
R
2
4
V
A
C
I
S
R
E
M
O
V
E
D
F
R
O
M
"
G
"
.
6
.
E
B
D
T
R
R
E
L
A
Y
D
E
L
A
Y
S
W
I
L
L
D
E
C
R
E
A
S
E
T
O
A
P
P
R
O
X
3
-
5
S
E
C
W
H
E
N
"
S
P
E
E
D
U
P
"
I
S
S
H
O
R
T
E
D
T
O
"
C
"
6
5
HEAT PLF
PU
PU
BL
BC1
BL
BL
BK
CONTROLS DIAGRAM
DCC300, 1 SPD EM
HPS1
LPS1
HPS2
LPS2
YL
PU
YL
PU
YL
PU
YL
PU
YL
PU
L1 L2 L3
PM
BL
PK
PK
R
C
S1
S2
YI
Y2
G
W1
W2
BL
BR
PU
YL
GR
WH
RD
RD
BK
RD
BR
TB3
TB1
FIELD
CONTROL
WIRING
CLASS 2
4
3
PK
BL
PK
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