Carrier 38MFC, Service Manual

Page: 10 / 40

10
WI
RI
NG
DI
AGRAMS
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
L
N
S
U
V
W
BLUE
U V W
4
CN28
CN26
CN10(CN19)
N-B
CN15
CN16
L2
N-A
Y/G
RED
BLUE
BLACK
5
CN34 CN33
CN6 CN7 CN5 CN4
L
N
S
BROWN BLUE
YELLOW
Y/G
Y/G
N
L
N
BLACK
BLACK
L-A(CN37)
L-B(CN36)
RED
RED
REACTOR
RY3
GND
CN8
CN9
HEATER, CRANKCASE
T
RED BLACK
CS
Y/G
Power Input
GND
2020375A5475
2020325B3267
Dashed frame parts only for heat pump model.
M
~
3(2)
3
6
4
FAN C APACITOR BOARD FAN C APACITOR BOARD
Optional
CN 2
CO
DE
P
ART
NAM
E
L_I
N
F
ir
e
W
ir
e
L i
nput
t
e
rm
inal
C
N
11
Z
e
ro
li
ne N
in
put
t
e
rm
inal
C
N
16
In
te
rn
al
and ex
te
rn
al
c
o
m
m
u
ni
c
a
ti
on 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
te
pper
m
o
to
r i
n
te
rf
ac
e
P
_
1
G
ro
und i
n
te
rf
ac
e
C
N
8
R
oom
t
e
m
per
at
ur
e s
ens
or
in
te
rf
ac
e
C
N
9
P
ip
e t
e
m
per
at
ur
e s
e
ns
or
in
te
rf
ac
e
C
N
10
A
D
is
pl
ay
in
te
rf
ac
e
C
N
1
E
le
c
tr
o
ni
c
ex
pans
ion v
a
lv
e i
n
te
rf
ac
e
C
N
14
C
o
m
p
re
s
s
or
t
o
p t
e
m
per
at
ur
e s
e
ns
or
(
opt
io
nal
)
C
N
15
E
x
haus
t t
e
m
p
er
at
ur
e s
e
ns
or
C
N
16
O
u
td
oor
t
e
m
p
er
at
ur
e &
am
p;
c
ondens
er
pi
pe t
e
m
p
er
at
ur
e s
ens
or
C
N
10
D
C
f
an out
put
por
t (
n
o)
C
N
19
A
C
f
an out
put
por
t
C
N
33
E
lec
tr
ic
heat
ing w
ir
e
li
ne N
C
N
34
E
lec
tr
ic
heat
ing w
ir
e
li
ne L
C
N
26,
C
N
28
F
o
ur
w
a
y
v
a
lv
e c
o
nt
ro
l por
t
C
N
4
P
ow
er
L i
nput
t
e
rm
inal
C
N
5
P
ow
er
N
input
t
e
rm
in
al
C
N
6
G
ro
und w
ir
e
C
N
7
C
om
m
uni
c
a
ti
on l
ine
C
N
8,
C
N
9
R
eac
to
r c
onnec
te
d l
ine por
t
C
N
36,
C
N
37
P
F
C
c
a
pac
it
or
c
o
nnec
ted l
in
e por
t
N
-
B
P
ow
er
L i
nput
t
e
rm
inal
CN1
7
T
e
s
t p
a
n
e
l in
te
rf
a
c
e
U
V
W
C
om
pr
es
s
o
r c
onnec
ti
on por
t
OUTDOOR WIRING DIAGRAM
Fi
g.
6
–
W
ir
in
g
D
iagr
am
38/
40M
FC
/M
FQ
009
/38/
40M
FC
/M
FQ
012
(1
15V
)