121
WIRING DIAGRAMS
H
IG
H
V
O
LT
AG
E!
D
IS
CO
NNE
CT
AL
L
PO
W
ER
BE
FO
RE
SE
RV
ICI
NG
OR
IN
STA
LLI
N
G
TH
IS
UNI
T
.
M
U
LTI
PLE
PO
W
ER
SO
U
RCE
S
MA
Y
BE
PR
ESEN
T
. F
AI
LU
RE
TO
DO
SO
MA
Y
CAU
SE
PRO
PE
RT
Y
DAM
AG
E
,
PE
RS
O
NAL
INJ
URY
OR
DE
AT
H
.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
DX18TC, DX7TC
WIRI
N
G
C
O
D
E
FA
C
TO
RY WI
RI
N
G
HI
G
H
VOLTA
G
E
LOW VOLT
A
GE
HI
G
H
VOLTA
G
E
FIE
LD
OPT
IO
N
AL H
IGH
VOLTAG
E
OPTIONAL L
O
W
VOLTAGE
CO
LO
R
CO
DE
BK
---
---
---
---
---
BL -
---
---
---
---
--
BL/PK
---
---
---
-
BR
--
---
---
---
---
-
O
R
--
---
---
---
---
-
PU
--
---
---
---
---
-
R
D
--
---
---
---
---
-
WH
--
---
---
---
---
YL ---
---
---
---
---
YL/PK -
---
---
---
1
3
4
6
E51
E16
GR/YL
BL
BR
R
ELAY
R
ELAY
R
ELAY
HER
M
C
O
M
ST
AR
T
RU
N
230 V
AC
S
U
PPLY
L1
L2
E13
L2 OUT
L2
L1
E10
R
C
ST
AR
T
E5
E8
C
AP
C
O
M
E17
ST
AR
T
RLY
WH
FA
N
RU
N
R
ELAY
E29
E28
E26
E9
E23
E22
E24 H
IG
H
R
VS
LP
C
O
HPC
O
O
AS
WH
BL
BL WH
YL
YL
BR
LO
W
VOLT
AGE
BA
R
RIER
BL/
PK
BK
YL/PK
YL/PK
R
D
BK
BK
BK
BL/
PK
RCC
F
BK
YL
R
D
C
O
N
TR
OL B
O
X
L Y2 Y1
C
L (OPT
IO
N
AL)
Y2 Y1
C
LE
G
ACY
IND
OOR
TH
ER
M
OS
TAT
2 1
C R 2 1
R
R
C
IN
D
O
O
R
PO
W
ER
S
U
PPLY 24V
AC
C
O
M
M
U
N
IC
ATI
N
G
IND
OOR
TH
ER
M
OS
TAT
TO
IND
O
O
R
C
O
M
M
U
N
IC
AT
IN
G P
C
B
FR
O
M
O
U
TD
OO
R
U
NIT
G
N
D
L1 L2
BK
YL
YL
C
M
R
ES
2
5
1
SR
SC
OPT
IO
N
AL
H
AR
D
S
TA
R
T
L1
L2
K2
C
R
S
CO
MP
R
S
1
2
5
CCH
SC
C
UC
C
ON
TR
OL
HERM
CAP
C
OM
SR
OPT
IO
NAL
H
AR
D
STAR
T
K5
EC
M F
AN
MO
TO
R
C
CHS
BK
BK
R
D
R
D
R
D
YL
BK
R
D
0140R01019-A
BK
GY
FR
O
M
O
U
TD
O
O
R
U
NIT
R
GR/YL
BK
R
D
LPS
H
PS
CO
M
PO
NE
NT
C
O
DE
C -
---
---
---
----
C
H -
---
---
---
--
CH
S-
---
---
----
C
M
--
---
---
---
C
O
M
P --
---
--
C
S --
---
---
---
-
D
T --
---
---
---
-
H
PS
---
---
---
-
IO -
---
---
---
---
LPS
---
---
---
OAS
---
---
---
-
O
C
S-
---
---
----
RCC
F -
---
----
R
VS
---
---
---
-
SC
--
---
---
----
SR
--
---
---
----
SE
E
N
OTE 3
SE
E
N
OTE 1
HERM
C
RUN
CAP
AC
ITO
R
FAN
HI
G
H
VOLTA
G
E
AR
EA
LOW VOLT
A
GE
AR
EA
CH
S
C
H
BK
R
D
H
F
C
D
T
O L
R
C
W1
Y1
E2
Y2
1
2
LPS
E22
E23
E9
E26
E7
E1
H
PS
OAS
DT
E28
E29
E24
C
S
1
3
4
6
E51
C
M
N
OTE 1
C
R
S
AUX
COMP
CS
Y2
M
AIN
C
FU
SE
O L
R
C
W1
Y1
E2
Y2
1
2
E25
R
ELAY
E7
OAT
OCT
E1
C
H
E21
U
C
B
O
AR
D
N
OTE
:S
EE I
N
STALLATION
M
ANU
AL F
O
R
R
-C
WIR
IN
G OF
A
IR
C
O
N
DITI
O
N
ER
C
O
N
TR
OL
SEE NOTE 7
PU
E16
SE
E
N
OTE 6
SE
E
N
OTE 6
SE
E
N
OT
E
6
BLA
C
K
BL
U
E
BL
U
E/P
IN
K STR
IPE
BR
O
W
N
O
R
AN
G
E
PUR
PLE
R
ED
WHI
TE
YELLOW YELLOW/P
IN
K STR
IPE
CON
TA
C
TO
R
CRANKC
AS
E
H
EA
TE
R
CR
AN
KC
AS
E
H
EAT
ER SWI
TC
H
COND
ENS
ER
F
AN
M
OT
O
R
CO
M
PRE
SS
O
R
C
O
M
PR
ESS
O
R
SOL
EN
OID
D
IS
CH
AR
GE
TH
ER
M
OS
TAT
H
IG
H
P
R
ES
SUR
E SWI
TC
H
IN
TE
RN
AL O
VER
LO
AD
LOW
P
R
ES
SUR
E SWI
TC
H
O
U
TD
OOR
A
IR
S
EN
SOR
O
U
TD
OOR
C
OIL T
EMP
SE
N
SO
R
RU
N
C
AP
ACI
TOR
F
O
R
C
O
M
PR
ES
SO
R
& F
AN
R
EV
ER
SI
N
G
VAL
VE
SOLE
N
O
ID
ST
AR
T
C
AP
ACI
TOR
F
O
R
C
O
M
PR
ES
SOR
(O
PTI
O
N
AL)
ST
AR
T
R
ELAY F
O
R
C
O
M
PR
ES
SO
R
(O
PTI
O
N
AL)
1 R
2
C
YL
BK
EQUIPME
N
T
G
R
OUND
SE
E NO
TE
1
G
R
TR
AN
SF
O
R
M
ER
C
O
M
208
240
24
STRA
IN RELIEF
N
OT
ES:
1.
U
SE
C
O
PP
ER
S
U
PPLY WIRES
O
NLY.
2.
U
SE 40VA
TR
AN
SF
O
R
M
ER M
IN
IM
U
M
FOR
SYS
TEM
3. IF DT IS
N
OT
PR
ES
EN
T,
H
PS BL
/PK W
IR
E G
O
ES D
IR
EC
TLY
TO T
ER
M
IN
AL E29.
4. C
O
N
TR
OLS
SH
O
W
N WI
TH
TH
ER
M
OS
TAT
IN
"OFF"
P
O
SITI
O
N.
5. C
O
M
M
ON
S
ID
E OF 24
VAC
C
O
N
TR
OL C
IRC
UIT
M
U
ST BE
G
R
O
UND
ED.
6.
U
SE N
.E.C.
C
LA
SS 2 WI
R
ES.
7. C
O
M
PR
ES
SO
R W
IR
E TO
B
E
R
O
U
TED
THR
O
U
G
H
C
EN
TE
R
OF
C
URR
EN
T SE
N
SO
R
BE
FO
R
E
C
O
NN
EC
TI
N
G TO
R
TE
R
M
IN
AL
8. IF
C
H
S IS
N
OT
PR
ES
EN
T,
C
H
BK W
IR
E G
O
ES D
IR
EC
TLY TO
TE
R
M
IN
AL E21.
TO FIELD
LOW
VO
LTAGE CO
N
TROL
SEE NOTES 2 & 5
BL
R
D
240
C
O
M
TR
AN
S
24
TR
AN
S
G
R
SE
E
N
OTE 1 & 6
BK
R
D
