Carrier 38MFC, Service Manual

Page: 11 / 40

11
WI
RI
NG
DI
AGRAMS
(CONT
.)
CN10
B
CN3
CN2
CN15
CN16
5
WHITE
WHITE
BLACK
BLACK
BLACK
BLACK
20
20
37
5A
54
77
CN28
CN26 CN34 CN33
RED
BLACK
BLUE
4
L2
N-A
RY3
CS
U
V
W
U V W
Y/G
RED
BLUE
BLACK
CN6 CN7 CN5
CN4
L
N
S
BROWN BLUE
YELLOW
Y/G
Y/G
L
N
GND
Y/G
Power Input
INDOOR WIRING DIAGRAM
M
CN
5
YE
LL
OW
RE
D
DIS
PL
AY
BO
ARD
5
CN
10
A
CN
11
CN
8
CN
9
P_
1
8
CN
16
L_IN
L1
L2
S
GND
HEATER, CRANKCASE
T
2020328A7163
Dashed frame parts only for heat pump model.
M
~
3(2)
3
Optional
CN
2
CO
DE
P
ART
NAM
E
L_I
N
F
ir
e
W
ir
e
L i
n
put
t
e
rm
inal
CN1
1
Z
e
ro
lin
e
N in
p
u
t t
e
rm
in
a
l
C
N
16
Int
er
nal
and ex
te
rn
al
c
o
m
m
uni
c
a
ti
on l
in
e i
n
te
rf
ac
e
C
N
6
In
door
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
te
p
p
e
r m
o
to
r i
n
te
rf
a
c
e
P
_
1
G
round i
n
te
rf
ac
e
C
N
8
R
o
om
t
e
m
per
at
ur
e s
e
ns
or
in
te
rf
ac
e
C
N
9
P
ipe t
e
m
p
er
at
ur
e s
e
ns
or
in
te
rf
ac
e
C
N
10A
D
is
p
la
y
in
te
rf
ac
e
C
N
14
C
om
pr
es
s
o
r t
o
p t
e
m
p
er
at
ur
e s
e
ns
or
(
o
pt
ional
)
C
N
15
E
x
h
aus
t t
e
m
per
at
ur
e s
ens
or
C
N
16
O
ut
door
t
e
m
per
at
ur
e &
a
m
p
; c
ondens
e
r pi
pe t
e
m
p
er
at
ur
e s
ens
or
C
N
2
6,
C
N
28
F
our
w
a
y
v
a
lv
e c
ont
ro
l por
t
C
N
10
A
C
f
a
n out
p
ut
por
t
C
N
3
2,
C
N
34
E
lec
tr
ic
heat
ing w
ir
e
li
ne N
CN3
1,
CN3
3
E
le
c
tr
ic
h
e
a
tin
g
wir
e
lin
e
L
C
N
4
P
o
w
e
r L i
n
put
t
e
rm
inal
CN5
P
o
we
r N in
p
u
t t
e
rm
in
a
l
C
N
6
G
round w
ir
e
CN7
Co
m
m
u
n
ic
a
tio
n
lin
e
N
-
B
P
ow
er
L i
n
put
t
e
rm
inal
C
N
2
,C
N
3
R
e
ac
to
r c
onnec
te
d l
ine por
t
C
N
17
T
es
t panel
in
te
rf
ac
e
U
V
W
C
om
pr
es
s
o
r c
o
nnec
ti
on por
t
OUTDOOR WIRING DIAGRAM
Fi
g.
7
–
W
ir
in
g
D
iagr
am
38/
40M
FC
/M
FQ
012
(208
--230V
)