35
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
1
3
4
2
5
6
GY
OR
BK
OR
PU
BL
BK
YL
GY
WH
GY
PU
YL
BK
RD
OR
6
5
2
4
3
1
BK BK
BL
BL
BL
BR2
6
5
2
4
3
1
OR
YL YL
6
5
2
4
31
GY
BL
BL
BL
BL
GY
BK
BK
BL
GY
BK
GY
OR
BL
BL
YL
YL
RD
RD
YL
PU
PU
RD
BL
3
2
1
4
BL
BR
7
6
5
WH
8
PU
9
RD
OR
PU
OR
WH
YL
PU
PU
RD
BL
BR
U
PR
O
YL
PU
OR
WH
BR
YL
WH
YL
GR
GR
YL
PU
OR
GR
RD
BL
YL
PU
9
8
PU
PU
5
6
7
YL
4
1
2
3
YL
RD
9
OR
8
GR
5
6
7
BL
YL
4
PU
PU
1
2
3
YL
ECON
SHR
T
PL
M
ECON PLF
RD
RD
BL
BL
PU
PU
BR
YL
WH
GR
BK
BK
GR
6
5
2
4
3
1
BR
RD
BK
BR
BK
BR
BL
GY
RD
RD
PU
RD
BL
BL
YL
PU
RD
PU
BL
RD
BL
RD
GY
BR
BK
BL
YL
PU
PU
RD
GY
LP
S
HPS
BL/PK
BL
DF1
DF2
R
W
C
C-RV
O-R
V
CNT
R-DFT
DFT
O
Y
R-P
S1
PS2
BL
YL/
P
K
YL/
P
K
YL
YL
RD
RD
YL
WH
GY
BK
BK
BL
RD
RD
RD
RD
DFT
RD
YL
BL
RD
BL
NC
CO
M
NO
GR
SP
EED-U
P
G
X
FMR-R
X
FMR-C
R
RD
PU
RD
GR
GR
GR
GY
BL
YL
BL
BK
BL
BR
YL
BL
BL
CHS
RD
RD
6
7
2
PU
BL
BL
PU
7
WH
WH
G
Y
WH
WH
GR
RD
GR
WH
GR
WH
RD
RD
BK
RD
S1
S2
R
4
WH
BR
GR
WH
PU
YL
O
R
O
GW
1
Y2
W2
Y1
3
5
BL
BK
RD
BK
GR
BL
SUP
PL
Y
(L
IN
E)
VOLT
A
G
E
24
VAC
GR
WH
WH
RD
GR
C
BL
BL
BL
BL
BL
BL
BL
3
F
IELD
CON
TR
OL
W
IRING
CL
ASS 2
F
IELD
CON
TR
OL
W
IR
ING
CLAS
S 2
1.
REPL
ACEMENT
W
IRE M
UST
BE SAME
SIZE AND TY
PE OF
INSULAT
ION AS ORIGI
NAL (USE COPP
ER C
O
NDUCTO
RS ONLY).
2
IF OPT
IONAL ECON
O
M
IZER IS INST
AL
LED, REM
OVE ECON SH
RT
PLM AN
D C
O
NNE
CT
ECO
N PLM
TO
ECO
N PLF.
3
T
B
3
LO
W
VO
LT
AGE T
ERMINAL BLOCK.
4
T
ERMI
NALS FOR (
+)24VAC
-PW
R
(R
D, BR W
IRE),AN
D
6
T
ERMI
NALS FOR (
-) 24
VAC-
C
O
M
(BL
W
IRE).
4
CON
NE
CTIONS SHOW
N ARE FOR 1-ST
AGE HEA
T
OP
ERA
T
ION.
W
HEN 2-ST
AGE OP
ERA
T
ION IS REQIRED
REM
OVE JU
MPER
W
IRE
CON
NE
CTING W
2 TO
W
1 ON T
B
1.
5
IF OPT
IONAL
SMOKE DE
T
ECTOR(S
) ARE INS
T
ALL
ED,
REMOVE JU
MPER
W
IRE CO
N
NECTING S1
TO
S2 ON T
B
1.
W
IRE CON
NE
CTIONS FR
OM AC
CESSORY
KIT
:
CON
NECT R
D
W
IRE TO
T
B
1-S1.
CON
NECT BR W
IRE TO
T
B
1-S2.
CON
NECT BL
TO
T
B
3,(2
4 CO
M
).
6
EBTDR:
FAN ENERGI
ZE
D 7
SEC AFT
ER 24
V APPLI
ED TO
"G"
.
FAN DE
-ENE
R
G
IZED 65 SEC AFTER 2
4V REMOVED
FR
OM "G".
IF SPEED
-UP T
ERMINAL
IS SHORTED TO GROU
ND
ALL DEL
AY
S ARE RED
UCE
D TO ~5
SEC.
7 CM
R, C
H
R
AN
D ALL ASSOCIAT
ED W
IRIN
G
IS
ONLY
PRES
ENT
ON (460/575)V MO
DELS. FOR 230V MODELS SEE POW
E
R
DIAGRAM
FO
R C
M
AN
D C
C
H
W
IRIN
G
.
CONTROLS DIAGRAM
DCH072
2 SPEED EM
2 STAGE COMP
BL
BL
BL
PU
YL
OR
GR
BL
BL
2
3
2
1
4
7
6
5
8
9
YL
YL
PU
PU
RD
OR
GR
BL
RD
BK
BK
ECON
AC
T
S-
BUS
S-BUS
1
2
3
4
24
V-C
OM
24
V-
PW
R
GRD
BR
WH WH
WH
EN
TH
MA
S
PK
PK
BL
GR
OR
RD
PU
PU
YL
YL
MA
S
-t°
OAT
S-BU
S
1
2
3 4
5
6
1
2
3
4
5
6
1
2
C
R
1
2
1
4
2
3
Y1
-O
Y2
-O
Y1
-I
4
1
2
3
S-BUS
Y2
-I
OAT
OPT
ION
AL
EC
ON
OM
IZER
EX
H1
E-GND
AUX
2-
I
OCC
AUX
1-
O
ECON
PLM
ACT 2
4V
ACT
C
O
M
IA
Q
2
4V
IAQ COM
IAQ 2-10
MA
T
MA
T
SSHR
BR3
PLF 1
DR
TB
1
TB
3
TB1
TR1
TB
3
EBTDR
DC
BR
1
CC
RVC
CMR
BK
BK
BL
RD
BC1
BC
2
CS
CHR
RD
RD
RD
RD
BL
8
8
PLF1 CO
NNE
CTO
R F
O
R OPTIONAL
EL
ECTRIC
HEAT
.
SEE EL
ECTRIC
HEAT
SCHE
MATIC F
O
R
W
IRIN
G
C
O
NNE
CTIONS.
RD
YL
BL/PK
YL
PK
AUX B
AUX A
8
18
7
Y
Y
R
B
SENSOR 2
Y
Y
R
B
SEN2
PK
OPT
ION
A
L SM
OKE D
E
T
E
CT
OR
Y
Y
R
B
24V
AC/DC
SENSOR 1
9
10
Y
Y
R
B
16 6
17
SEN1
RD
BR
BL
5
0140L0
4967-A
CONTROLS DIAGRAM FOR DCH072****V
(HEAT PUMP, 2 SPD EVAP FAN, 2 STAGE COMP, ALL VOLTAGES)