Carrier 38MFC, Service Manual

Page: 13 / 40

13
WI
RI
NG
DI
AGRAMS
(CONT
.)
INDOOR WIRING DIAGRAM
M
CN
5
YE
LL
OW
RE
D
DIS
PL
AY
BO
ARD
5
CN
2
CN
10
A
CN
11
CN
8
CN
9
P_
1
8
CN
16
L_IN
L1
L2
S
GND
BLACK
RED
L-OUT
HEAT ER, CR AN KC ASE
20
20
37
9A
41
84
RED
BLUE
CN30
S
YELLOW
Y/G
YELLOW YELLOW
L
N
S
Y/G
L N
GND
Y/G
Power Input
CS
2020328A7163
Dashed frame parts only for heat pump model.
M
~
3(2)
3
Optional
CO
DE
P
ART
NAM
E
L_I
N
F
ir
e
W
ir
e
L i
n
put
t
e
rm
in
al
C
N
11
Z
er
o l
ine N
in
put
t
e
rm
inal
C
N
16
Int
er
nal
and ex
te
rn
al
c
o
m
m
uni
c
at
io
n l
ine i
n
te
rf
ac
e
C
N
6
Indoor
f
a
n i
n
te
rf
ac
e
C
N
4
F
an f
eedbac
k
in
te
rf
ac
e
C
N
5
S
tepper
m
o
to
r i
n
te
rf
ac
e
P
_
1
G
round i
n
te
rf
ac
e
C
N
8
R
oom
t
e
m
per
at
ur
e s
e
ns
or
in
te
rf
ac
e
C
N
9
P
ipe t
e
m
per
at
ur
e s
e
ns
or
in
te
rf
ac
e
CN1
0
A
Dis
p
la
y
in
te
rf
a
c
e
C
N
12
C
om
pr
es
s
o
r t
o
p t
e
m
per
at
ur
e s
e
ns
or
(
o
pt
io
nal
)
C
N
7
E
x
haus
t t
e
m
per
at
ur
e s
ens
or
C
N
17
O
ut
door
t
e
m
per
at
ur
e &
a
m
p
; c
o
ndens
e
r pi
pe t
e
m
p
er
at
ur
e s
ens
or
CN1
,C
N2
F
o
u
r wa
y
v
a
lv
e
c
o
n
tr
o
l p
o
rt
C
N
11
,C
N
22
A
C
f
an out
p
ut
por
t
C
N
10,
C
N
13
F
an c
a
pac
it
or
por
t
CN5
E
le
c
tr
ic
h
e
a
tin
g
wir
e
lin
e
N
CN6
E
le
c
tr
ic
h
e
a
tin
g
wir
e
lin
e
L
C
N
3
P
o
w
e
r L i
nput
t
e
rm
inal
C
N
4
P
o
w
e
r N
input
t
e
rm
inal
P
1
G
round w
ir
e
C
N
15
C
om
m
uni
c
a
ti
on l
in
e
N
-
O
U
T
1
P
o
w
e
r N
O
nput
t
e
rm
in
al
R
Y
2 P
O
W
E
R
P
ow
er
L O
nput
t
e
rm
inal
C
N
2
6
T
es
t panel
in
te
rf
ac
e
C
N
4
P
o
w
e
r L i
nput
t
e
rm
inal
C
N
5
P
o
w
e
r N
input
t
e
rm
inal
C
N
2
C
N
3
R
eac
to
r c
onnec
te
d l
ine por
t
C
N
11
B
us
v
o
lt
age pos
it
iv
e t
e
rm
inal
C
N
12
B
us
v
o
lt
age pos
it
iv
e t
e
rm
inal
C
N
1
M
a
in
c
ont
ro
l boar
d and pow
e
r s
uppl
y
C
N
6
S
tandby
pow
e
r i
n
te
rf
ac
e
U
V
W
C
om
pr
es
s
o
r c
onnec
ti
on por
t
OUTDOOR WIRING DIAGRAM
Fi
g.
9
–
W
ir
in
g
D
iagr
am
38/
40M
FC
(Q
)022
(208
--230V
)