21
9. Electronic Circuit Diagram
9.1 Indoor
Unit
FA
N
M
O
TO
R
M
B
BL
Y
W
R
EL
EC
TR
ON
IC
CONT
ROL
LE
R
(M
AI
N)
EL
ECT
RONI
C
CONT
ROL
LER
(D
ISPL
AY)
CN
–D
IS
P
(YL
W
)
EV
APORAT
OR
COMM
UNICAT
ION
CI
RCUIT
RECT
IFI
CAT
IO
N
CI
RCUI
T
GROUND
IN
G
TE
RM
IN
AL
1
L
P
W
R
2
3
BL
L
N
BR
AC3
03
(W
HT
)
AC3
04
(R
ED
)
G3
01
(G
RN)
RY-P
WR
RY-
PW
R2
FU
SE
301
T3.
15A
L250
V
NO
IS
E
FI
LT
ER
CI
RCU
IT
TE
M
P.
FUS
E
102°
C
(3A
)
TE
M
P.
FUS
E
102°
C
(3A
)
TO
OU
TD
OO
R
UN
IT
TE
RM
IN
AL
BOARD
GROUND
IN
G
TER
M
IN
AL
SINGL
EPHASE
POWER
SUPPL
Y
1ø230V
50Hz
G
Y/
G
Y/
G
1
4
7
12
3
4
5
6
61
2
3
4
5
CN
–D
IS
P
(W
HT
)
CN
−
FM
(W
HT
)
5V
_
3
2
1
GN
D
Vcc
Vo
ut
IC
20
1
TI
MER
(o
rang
e)
R2
02
LE
D202
Q2
04
4.
7k
R203
DE
IC
E (
BL
U)
PO
W
ER
(G
RE
EN
)
LE
D2
01
3
1
2
R201
10k
c
b
e
5V
_
C202
GND-
A
C2
01
+
45
GN
D
GN
D
Q203
4.
7k
10
k
c
b
e
5V
_
5V
_
R204
5V
_
5V
C3
5V
C3
CN
–S
TM
1
(W
HT
)
UP
DOW
N
LO
UV
ER
M
OTO
R
1
2
3
4
5
BR
R
O
Y
P
5
1
M
1
VC
C
GN
D
2 3 4 5 6 7
16 15 14 13 12 11 10
9
8
12
V
12
V
Sens
or
(T
he
rm
is
to
r)
Cha
ra
cte
ris
tic
s
70
60
50
40
30
20
10
0
-1
0
0
10
Te
m
pe
rat
ur
e (
o
C)
Resi
stance
(k
)
20
30
40
50
1
2
2
1
Pi
pe
te
m
p.
Se
ns
or
In
ta
ke
A
ir
Tem
p. S
ens
or
W
WWW
W
*CN-
CNT
1
543
2
R9
0
10
k
C5
1
100
0p
50V
C5
2
1000p 50
V
R8
2
10k
204
203
202
201
5V
12
V
5V
*L6
*L5
*C
57
(R
ED
)
SUCT
IO
N
TEM
P.
SE
NSO
R
(T
HER
MI
ST
OR
)
PI
PI
NG
TE
MP
.
SE
NSOR
1
(T
HER
MI
ST
OR)
1
2
3
4
CN
−
TH
t
t
5V
R6
1
R6
2
C2
5
C2
7
W
RE
M
OT
E CO
NT
RO
L
