Panasonic WH-SXC09F3E8, Service Manual

Page: 33 / 161

33
9. Electronic Circuit Diagram
9.1 Indoor Unit
9.1.1 WH-SXC09F3E8
TE
RM
IN
AL
BO
AR
D
TER
M
IN
AL
BO
AR
D
TER
M
IN
AL
BO
AR
D
WA
TE
R
PU
M
P
OP
TI
O
NA
L
TO
OU
TD
OOR
UN
IT
B
REAC
TO
R
TR
AN
SF
OR
M
ER
WW WB
L
BL
R
W
21 21
Y G
BL
W
W
BO
BR
R
Y
G
BL
G R
L2
(WHT
)
CN
-T
1
(W
HT
)
L1
(WH
T)
AC
1-
L3
(B
LK
)
AC
1-
N
(W
HT
)
FU
SE
1
T6
.3
A L2
50V
G0
1
(G
RN
)
G0
5
(G
RN)
G0
7
(G
RN)
CN
-P
W
R
(B
LK
)
CN
-P
UM
P2
(WHT
)
DA
TA
(RE
D)
PUM P-L
(RED )
ACN- 3V
(BLU )
ACL1- 3V
(ORG )
ACL2- 3V
(BRW )
PUM P-N
(YLW)
AC
N
(W
HT
)
AC
L
(B
LK
)
GR
OU
NDI
NG
NO
IS
E
FI
LT
ER
CI
RC
UI
T
CO
M
M
UNI
CA
TI
ON
CI
RC
UI
T
T2 (BL
K)
T1 (BL
K)
3
R 1
RE
CT
IF
IC
AT
ION
CI
RCU
IT
EL
EC
TR
O
NI
C
CON
TRO
LL
ER
(M
AI
N)
EL
EC
TR
O
NI
C C
O
NT
RO
LL
ER
(S
O
LA
R)
T3
G
G04
(GRN )
G
G03
(GRN )
AC2-L1
(BLU )
HT1-L1
(BRW )
HT1-L2
(ORG )
HT1-L3
(RED )
AC2-L2
(YLW)
AC2-L3
(BLK )
AC2- N2
(WHT)
AC
2-
N1
(G
RY
)
AC
L3
(B
LK
)
AC
L-
BO
OS
TE
R
(B
RW)
ACN-B
OO
ST
ER2
(WHT
)
ACN-B
OO
ST
ER2
(B
LK
)
RE
CT
IF
IC
AT
IO
N
CI
RCUI
T
3 1
23
22
21
20
19
PU
M
P
SO
LA
R
EXT
ER
NA
L
CO
NT
RO
L
TA
NK
SE
NS
OR
TA
NK
OL
P
ROOM
TH
ER
M
OST
AR
T
BO
OS
TE
R
HEAT
ER
HEAT
CO
OL
N
L
OP
EN
CL
OS
E
SO
LA
R 3
-W
AY
VAL
VE
N
SI
G
NAL
DE
TE
CTI
O
N
CIRCUIT
NO
IS
E
FI
LT
ER
CI
RC
UI
T
SW
20
1
SU
RG
E
PR
OTEC
TI
O
N
CI
RCU
IT
RCCB
BL
BL
GR
400V
25A
l
∆
n=
30
m
A
GR
OUNDI
NG
TE
RM
IN
AL
BO
AR
D
BA
CK
UP
HEAT
ER
PO
W
ER
SU
PP
LY
2
3-
phas
e
AC
400V 50H
z
(L
B1
)
(L
B2
)
(L
B3
)
(N)
OL
P
80±
3°
C
BR
2
BR
OL
P
80±
3°
C
O
O
OL
P
80±
3°
C
33 2 1
1 2 3 4
1 2 3 4
1
W W W
R
BL
R
O
Y
BR
B
W
A
FU
SE
2
20
A 500V
SI
GN
AL
D
ETE
CT
IO
N
CI
RCU
IT
CN-T
H2
(WH
T)
CN-R
CV
2
(WHT
)
CN-V
3
(G
RN
)
CN-T
HE
RM
O
(WH
T)
1 2 3 4 5
HE
X W
ATE
R O
UTL
ET
TE
M
P.
S
EN
SO
R (T
HE
RM
IS
TO
R)
1
1
23
CN
-T
H3
(WHT
)
1 2
t°
CN
-T
H1
(WHT
)
WA
TE
R O
UT
LE
T
TE
M
P.
S
EN
SO
R (T
HE
RM
IS
TO
R)
WA
TE
R I
NLE
T
TE
M
P.
S
EN
SO
R (T
HE
RM
IS
TO
R)
RE
FR
IG
ER
AN
T
TE
M
P.
S
EN
SO
R (T
HE
RM
IS
TO
R)
1 2 3 4 5 6
t° t° t°
1
NO
IS
E
FI
LT
ER
CI
RC
UI
T
G
1
4
567
WB
L
BL
BR
RB
WB
L
BR
RB
RE
CT
IF
IC
AT
IO
N
CI
RC
UI
T
M
RE
CT
IF
IC
AT
IO
N
CI
RC
UI
T
G0
8
(G
RN
)
G
WA
TE
R
PU
MP
CI
RC
UI
T
B
R
GR
GR
1
3
5
1
3
57
B
BB
18
17
16
15
14
13
Y
R
W
W
BL
BL
W
BR
BR
W
BL
BR
12
11
10
2-
W
AY
VAL
VE
N
OP
EN
CL
OS
E
3-
W
AY
VAL
VE
N
OP
EN
CL
OS
E
9
TE
RM
IN
AL
BO
AR
D
TER
M
IN
AL
BO
AR
D
CN
-V
2
(WHT
)
1
3
5
3
2
1
6
5
4
12V
_2
CN
-S
OL
AR
(WH
T)
CN
-S
OL
AR
_B
(IV
ORY
)
C3 1µ 16V
C1
0
0.
1µ 16V
R9 10k
R100
1k
C6 100µ 25V
5V
1 2 3 4 5 6 7
1 7
W W W W W W W
22
17
14
R137
1k
18
R138
1k
15
SI
G
NAL
DE
TE
CTI
O
N
CI
RCUI
T
CN-O
LP
1
(W
HT
)
B B
OL
P
80
±3
°C
1 2
12V
_2
*R
Y-
HT
(L3)
9
*R
Y-
HT
(L
2)
*R
Y-
HT
(L
1)
CN-
RE
M
OT
E2
(W
HT
)
CONT
ROL
PA
NE
L
R BR O BL Y
1 2 3 4
12V
_4
12
V_
4
5V
_2
C8
4
0.
047µ 25
V
R129 4.
3k
R133 4.
7k
1/
4W
288
272
300
CN-F
LOW
(Y
LW
)
FL
OW
SW
IT
CH
BL
2 1
33
BL
11
5V
C8
3
0.
1µ 16V
R125 10k
5V
252
*R1
21
CN
-O
LP
2
(WH
T)
1
2
C7
3
0.
1µ 16V
*R
127 1k
12V
26
1
27
5
C1 1µ 16V
C7
5
1µ 16V
C8
1
1µ 16
V
C7
2
1µ 16
V
C7
0
1µ 16V
R1
15
20.
0k
R1
26
20
.0
k
R1
31
20
.0
k
R1
34
20.
0k
R118 820
5V
262 263 264
265
266
C8
0
1µ 16V
C8
2
220µ 10V
G2
G2
12
V_
4
1
R2
3
10k
PC
1
ZD
2
MA
1Z
R1
5V
G2
G
2
12
4
1
3
2
25 33
SW
1
SW
2
AC
1-
L1
(B
LU
)
AC
1-
L2
(Y
LW
)
G0
2
(G
RN
)
SI
G
NAL
DE
TE
CT
IO
N
CI
RCUI
T
BL
Y B
W
EL
CB
230
V 30A
l
∆
n=
30
m
A
GR
OUNDI
NG
PO
W
ER
SU
PPL
Y 2
AC
230
V
50
Hz
(L
)
(N)
8
7
SURGE
PR
O
TEC
TI
O
N
CI
RC
UI
T