53
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
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.
CONTROLS DIAGRAM FOR DCG072*****V (GAS, 2 SPD EVAP FAN, 2 STAGE COMP, ALL VOLTAGES)
BL
PU
BL
BL
YL
BL
BK
BL
BR
YL
BL
BL
1. REPLAC
EM
ENT W
IRE M
U
ST
BE SAME SIZE AN
D T
Y
PE OF
INS
ULAT
ION AS O
RIGIN
AL (U
SE COPP
ER
COND
UCTOR
S
ONLY).
2 IF OPTIONAL EC
ON
OMI
Z
E
R
IS INSTALLE
D,
R
E
M
OVE ECO
N S
H
RT
PLM AND
C
O
NNE
CT ECON PL
M TO ECO
N PLF.
3 W
H
EN SPE
E
D
-U
P
PINS AR
E SHO
R
TE
D, THE C
O
M
P
R
ESSOR
D
ELAY
IS BY
PASSED; BYPASS
FO
R TEST
ING/TRO
UBLESH
OOT
ING O
N
LY
4 CON
NECTIONS S
H
OW
N A
R
E FO
R 1-STAGE HEAT
OPERATION.
W
H
EN 2
-STAGE OPERATION IS REQI
R
E
D
REM
OVE JUM
PER
W
IRE
CON
N
ECTING
W
2
T
O
W
1 ON TB1
.
5 IF OP
T
IONAL S
M
OKE DETECTOR
(S
) A
R
E INSTALLED,
RE
M
OVE JUM
PER
W
IRE C
O
NNECTING S1
T
O
S2 ON
T
B1.
W
IRE C
O
N
N
ECTIONS F
R
OM A
C
C
ESSORY KI
T
:
CO
NN
ECT R
D
W
IRE TO T
B1-S1.
CO
NN
ECT BR W
IRE TO T
B1-S2.
CO
NN
ECT BL T
O
T
B
1-C
(2
4V CO
M
).
6 IIC FA
N O
F
F
-DELAY
:
- COOL OF
F-
D
ELAY
IS 60 SECON
D
S AFT
ER
C
OOL
OR FA
N C
ALL IS
RE
M
OVED
- HEAT OFF-
D
ELAY
IS SELECTABLE, A
MOVABL
E JU
M
PER
IS PROVI
D
ED; 120, 135,
OR 150 SECON
D
DELAY
MAY
BE SELECTED. THE FACTORY SE
T
T
ING IS 150 SEC
CONTROLS DIAGRAM
DCG072
2 SPEED EM
2 STAGE COMP
BL
CC
BC
1
BC
2
CS
PU
PK
AUX B
AUX A
8
18
7
Y
Y
R
B
SENSOR 2
Y
Y
R
B
SEN2
PK
OP
T
IONA
L SMOK
E
DE
T
E
C
T
OR
Y
Y
R
B
24V
AC/DC
SENSOR 1
9
10
Y
Y
R
B
16
6
17
SEN1
RD
BR
BL
5
BL
C
R
1
S2
S
RD
BK
RD
RD
CL
ASS 2
Y1
W2
Y2
W1
G
O
YL
PU
R
B
R
GH
W
WH
4
FIELD CON
T
R
O
L
WIRING
TR
1
SUPP
LY (
LIN
E)
VO
LTAGE
24 VAC
GR
BK
BL
5
BK
BL
BR
RD
GR
HEA
T
FAN
COO
L FAN
3A
PS IN
COM
4
5
6
1
2
3
4
5
6
1
2
3
LM
T
OU
T
GV
LMT
IN
24V
IIC
L1
L1
12
9
8
7
11
10
12
9
8
7
11
10
R
COMP IN
G
PS OU
T
W
COMP OU
T
YL
WH
YL
YL
RD
GR
GR
GR
YL
RD
YL
PU
PU
PU
YL
YL
YL
WH
WH
WH
RD
RD
RD
RD
GR
GR
WH
YL
YL
YL
YL
GR
RD
RD
RD
RD
RD
BL
BL
PU
FS
D1
L2
L2
L2
L2
BL
BR
GY
PU
PU
ALS
PU
PU
RS
RD
LS
RD
RD
PS
YL
YL
YL
BR
BR
FS
VMR
GY
GY
BL
BL
TB
1
BR
BR
YL
PU
YL
WH
BL
YL
1
3
4
2
56
BR
2
YL
WH
PU
GR
YL
RD
YL
GR
YL
RD
YL
BL
BR
1
GR
BL
BR
BK
BR
BK
YL
BR
1
3
4
2
5
6
GR
BK
YL
BK
BR
BK
BR
BL
BR
BL
BR
BL
BL
BL
BL
BL
BL
BL
COM
HIGH
LOW
GV
1
2
3
1
2
3
PU
PU
GR
WH
YL
PU
2
RD
ECON
PLF
ECON SH
R
T
PLM
YL
3
2
1
PU
PU
4
YL
BL
7
6
5
GR
8
WH
9
RD
YL
3
2
1
4
YL
7
6
5
PU
PU
8
9
BL
YL
BL
YL
WH
PU
YL
RD
BL
PU
BL
BL
BL
BL/PK
YL/PK
BL/PK
HPS
YL/PK
LPS
YL
MAT
MAT
IAQ 2-10
IAQ COM
IAQ 24V
ACT
COM
AC
T
2
4V
ECON P
LM
AUX1-O
OCC
AU
X2-I
E-GND
EX
H1
OPT
IONA
L ECON
OMIZER
OA
T
Y2-I
S-BUS
3
2
1
4
Y1-I
Y2-O
Y1-O
3
2
4
1
2
1
R
C
2
1
6
5
4
3
2
1
6
5
4
3
2
1
S-BUS
OA
T
-t
MAS
YL
YL
PU
PU
RD
OR
GR
BL
PK
PK
MAS
ENT
H
WH
WH
WH
BR
GRD
24V-
PWR
24V-C
OM
4
3
2
1
S-BUS
S-BUS
ECON AC
T
BK
BK
RD
BL
GR
OR
RD
PU
PU
YL
YL
9
8
5
6
7
4
1
2
3
2
SPEED-UP
120
135
150
P3
3
6
0140
L0
49
69-A
Содержание DCG Series
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