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Model
WH-SDC09F3E8 WH-SDC12F9E8 WH-SDC14F9E8 WH-SDC16F9E8 WH-UD09FE8 WH-UD12FE8 WH-UD14FE8 WH-UD16FE8
Pages
127
Size
8.66 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner / AIR-TO-WATER HEATPUMP
File
wh-sdc09f3e8-wh-sdc12f9e8-wh-sdc14f9e8-wh-sdc16f9e.pdf
Date
PREV: Panasonic WH-SDC07F3E5 / WH-SDC09F3E5 / WH-UD07FE5 / WH-UD09FE5 Service Manual

Panasonic WH-SDC09F3E8 / WH-SDC12F9E8 / WH-SDC14F9E8 / WH-SDC16F9E8 / WH-UD09FE8 / WH-UD12FE8 / WH-UD14FE8 / WH-UD16FE8 Service Manual ▷ View online

33 
7. Block Diagram 
7.1 WH-SDC09F3E8 
WH-UD09FE8 
 
L
N
R
EAC
T
O
R
RE
LA
Y
PTC
RE
LA
Y
R
EAC
T
O
R
F
U
SE3
M
FU
SE2
FU
SE2
01
O
U
T
D
O
O
R 
UNI
T
INDO
O
R
 U
N
IT
2-WA
YV
ALV
E
4-WA
YV
ALV
E
RE
CT
IFIC
ATIO
N
CIRC
UIT
RE
CT
IFIC
ATI
ON
CIR
CUIT
M
HEA
TE
R
RY-H
T2
RY-V
1
RY-H
OT
HEA
TE
R
RY-H
T1
RY-P
WR
2
FU
SE2
02
FU
SE2
03
SC
5
MS 3~
RE
CTIF
IC
AT
IO
N CI
RCUIT
RY
-H
T
 (L
1
)
RY
-H
T
 (L
2
)
RY
-H
T
 (L
3
)
B
O
O
S
T
E
R 
HE
A
T
ER
BAC
KU
P
 HE
A
T
ER
FU
SE2
R
Y
-B
O
O
STER
RC
CB
L1
L2
L3
N
PO
W
E
R
 SU
PP
LY
 1
3-
pha
se
A
C
400V
 50H
z
EL
CB
PO
W
E
R
 SU
PP
LY
 2
1-
pha
se
A
C
230V
 50H
z
FU
SE1
RY
-V
2
01
SO
L
A
R
3-
W
A
Y
S
VA
LV
E
SO
L
A
R
M 1~
RY
-V
3
3-
W
A
Y
S
VA
LV
E
M 1~
RY
-V
2
2-
W
A
Y
S
VA
LV
E
M 1~
NOIS
E F
ILT
ER
WA
T
E
R
PU
M
P
M
SC
WAT
ER
 P
UM
P
CIRC
UIT
1
2
3
4
NO
IS
E
FI
LT
ER
NOISE 
FILT
ER
NOIS
E F
ILT
ER
 
34 
7.2 WH-SDC12F9E8 
WH-UD12FE8 
 WH-SDC14F9E8 WH-UD14FE8 
WH-SDC16F9E8 WH-UD16FE8 
 
R
EAC
T
O
R
RE
LA
Y
PTC
RE
LA
Y
REAC
T
O
R
FU
SE
3
M
FUSE2
FU
SE2
0
1
O
U
T
D
O
O
R 
UNI
T
IN
D
O
OR
 U
N
IT
2-W
AY
VA
LV
E
4-W
AY
VA
LV
E
RE
CT
IFIC
AT
ION
CIRCU
IT
RE
CT
IFIC
ATIO
N
CIR
CUIT
M
HEA
TE
R
RY-H
T2
RY-V
1
RY-H
OT
HEA
TE
R
RY-H
T1
RY-P
WR
2
FU
SE2
0
2
FU
SE2
0
3
SC
5
MS 3~
RECT
IF
IC
ATI
ON 
CIRC
UIT
R
Y
-H
T
 (L
1)
RCC
B
R
Y
-H
T
 (L
2)
R
Y
-H
T
 (L
3)
BO
O
S
TER 
H
E
A
T
ER
BACKU
P
 H
E
A
T
ER
L1
L2
L3
N
NO
ISE 
FILT
ER
NOISE 
FILT
ER
FU
S
E
2
PO
W
E
R
 SU
P
P
LY
 3
3-
phas
e
A
C
400V
 50H
z
R
Y
-B
O
O
STER
RCC
B
L1
L2
L3
N
PO
W
E
R
 SU
P
P
LY
 1
3-
phas
e
A
C
400V
 5
0H
z
FU
SE1
RY
-V
2
01
SO
L
A
R
3-
W
A
Y
S
VA
LV
E
SO
LA
R
M 1~
RY
-V
3
3-
W
A
Y
S
VA
LV
E
M 1~
RY
-V
2
2-
W
A
Y
S
VA
LV
E
M 1~
NOIS
E F
ILT
ER
WA
T
E
R
PU
M
P
M
SC
WAT
ER
 P
UM
P
CIR
CUIT
1
2
3
4
NO
IS
E
FI
LT
E
R
 
 
35 
8. Wiring Connection Diagram 
8.1 Indoor 
Unit 
8.1.1  WH-SDC09F3E8 
 
TE
RM
IN
AL
 B
OAR
D
TE
RM
IN
AL
BO
AR
D
TE
RM
IN
AL
BO
AR
D
WA
TE
R
PU
M
P
OPTI
ON
AL
TO OU
TD
OOR
UN
IT
BL
Y
B
B
RE
AC
TO
R
TR
AN
SF
OR
M
ER
WW
WB
L
BL
R
W
21
21
SW
1
SW
2
Y
G
BL
W
W
BO
BR
R
Y
G
BL
G
R
W
AC
1-
L1
(B
LU
)
L2
(W
HT
)
CN
-T
1
(W
HT
)
L1
(W
HT
)
AC
1-
L2
(Y
LW
)
AC
1-
L3
(B
LK
)
AC
1-
N
(WHT
)
G0
2
(GRN)
FU
SE1
T6.
3A
 L2
50V
G0
1
(GRN)
G0
5
(G
RN)
G0
7
(G
RN)
CN
-P
W
R
(B
LK
)
CN-P
UM
P2
(W
HT
)
CN
-S
OL
AR
(WH
T)
CN-S
OL
AR_
B
(IV
OR
Y)
DA
TA
(R
ED
)
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
OUNDI
NG
LEAD W
IRE FI
XI
NG
 FO
R OL
P
LE
AD
 W
IRE
 F
IX
ING
 F
O
R HE
AT
ER
BL
UE
BL
UE
BL
AC
K
BL
AC
K
OR
AN
GE
OR
AN
GE
BR
OW
N
BR
OW
N
SI
GN
AL
DE
TE
CT
IO
N
CI
RCU
IT
NO
IS
E
FI
LT
ER
CI
RC
UI
T
SURG
E
PR
O
TE
CTI
ON
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
IO
N
CI
RC
UI
T
ELE
CTR
O
NI
C
CO
NT
RO
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
)
CN
-O
LP
1
(WH
T)
RE
CT
IF
IC
AT
IO
N
CI
RCUI
T
3
1
1
7
1
7
W W W W W W W
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
ROO
M
TH
ER
M
OST
AR
T
BO
OS
TE
R
HE
AT
ER
HEAT
COOL
N
L
OP
EN
CL
OS
E
SO
LA
R 3-
WA
Y
VAL
VE
N
SI
G
NAL
DE
TE
CT
IO
N
CI
RCUI
T
NO
IS
E
FI
LT
ER
CI
RC
UI
T
SW
20
1
SU
RG
E
PR
O
TEC
TI
O
N
CI
RCUI
T
RCCB
BL
BL
BL
GR
400V
 25
A
l∆
n=
30m
A
GRO
UND
IN
G
TER
M
IN
AL
BO
AR
D
BA
CK
UP
HE
AT
ER
PO
W
ER
SU
PPL
Y 1
3-
phas
e
AC
400V 50H
z
(L
A1
)
(L
A2
)
(L
A3
)
(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 500
V
SI
GN
AL
 D
ETE
CT
IO
N
CIRCUIT
B
B
OL
P
80
±3
°C
1 2
CN-F
LOW
(Y
LW
)
CN
-T
H1
(WHT
)
CN
-T
H3
(WHT
)
CN
-T
H2
(WHT
)
CN-
OL
P2
(WHT
)
CN
-RCV
2
(W
HT
)
CN
-V
3
(GRN)
CN
-T
HE
RM
O
(WHT
)
CN-
RE
M
OT
E2
(W
HT
)
FL
OW
 SW
IT
CH
W
ATE
R O
UTL
ET
 TE
M
P.
 S
EN
SO
R (
TH
ER
M
IS
TO
R)
W
AT
ER I
NL
ET
 T
EM
P.
 S
ENS
OR (T
HE
RM
IS
TO
R)
RE
FR
IG
ER
AN
T T
EM
P.
 S
EN
SO
R (T
HE
RM
IS
TO
R)
CO
NT
RO
L
PA
NE
L
BL
R BR O BL Y
2
1
1
6
1
4
33
BL
11
1
2
3
4
5
t°
HE
X W
AT
ER O
UT
LE
T T
EM
P.
 S
ENS
OR (T
HE
RM
IS
TO
R)
1
1
1
23
2
t°
t°
t°
1
NOI
SE
FI
LT
ER
CI
RCU
IT
G
1
456
7
WB
L
BL
BR
RB
WB
L
BR
RB
RE
CT
IF
IC
AT
ION
CI
RCU
IT
M
RE
CT
IF
IC
AT
IO
N
CI
RCUI
T
G0
8
(G
RN
)
G
WA
TE
R
PU
MP
CI
RC
UI
T
B
R
GR
GR
1
1
3
5
1
3
5
2
7
B
BB
18
17
16
15
14
13
Y
R
W
W
BL
BL
BL
W
BR
BR
W
BL
BR
12
11
10
2-
WA
Y
VA
LV
E
N
OPEN
CL
OS
E
3-
WA
Y
VA
LV
E
N
OPEN
CL
OS
E
9
7
SI
G
NAL
DE
TE
CTI
O
N
CIRCUIT
TER
M
IN
AL
BO
AR
D
TE
RM
IN
AL
BO
AR
D
CN
-V
2
(WHT
)
1
3
5
3
2
1
6
5
4
RE
D
WH
IT
E
WH
IT
E
1
1
3
2
2
3
BR
OW
N
WH
IT
E
ORA
NG
E
RE
M
AR
KS:
W:
W
HI
TE
O
:
ORA
NGE
R:
RE
D
B:
BL
UE
BL
:
BAL
CK
Y
:
YEL
LO
W
BR
:
BR
O
W
N
G:
G
RE
EN
GR
:
G
RA
Y
YG/
:
YEL
LO
W
/G
REE
N
RC
CB/
EL
CB
:
RES
IDUA
L CU
RRE
NT
 CIRCUIT
 BR
EAKE
R/
EA
RT
H L
EAKA
G
E C
IR
CU
IT
 B
REAK
ER
ACN-B
OO
ST
ER2
(B
LK
)
EL
CB
230V
 30
A
l∆
n=
30m
A
GRO
UND
IN
G
PO
W
ER
SU
PPL
Y 2
AC
230V 50H
z
(L
)
(N
)
8
 
36 
8.1.2  WH-SDC12F9E8  WH-SDC14F9E8  WH-SDC16F9E8 
 
TE
RM
IN
AL
 BO
AR
D
TE
RM
IN
AL
BO
AR
D
TE
RM
IN
AL
BO
AR
D
WA
TE
R
PU
M
P
OPT
IONAL
TO O
UTD
OO
R
UN
IT
RC
CB
BL
Y
B
B
RE
AC
TO
R
TR
AN
SFO
RMER
WW
WB
L
BL
R
W
21
21
SW
1
SW
2
Y
G
BL
W
W
BO
BR
R
Y
G
BL
G
R
W
PO
W
ER
SU
PP
LY
 1
3-phas
e
AC
400V 50Hz
400V
 25
A
l∆
n=
30
m
A
AC
1-L1
(B
LU
)
L2
(W
HT
)
CN
-T
1
(W
HT
)
L1
(W
HT
)
AC
1-L2
(Y
LW
)
AC
1-L3
(B
LK
)
AC
1-
N
(W
HT
)
G0
2
(G
RN
)
FU
SE
1
T6
.3
A L250V
G0
1
(G
RN
)
G0
5
(G
RN
)
G0
7
(G
RN
)
CN
-P
W
R
(B
LK
)
CN
-P
UM
P2
(W
HT
)
CN
-S
OLA
R
(W
HT
)
CN
-S
OL
AR
_B
(IV
OR
Y)
DA
TA
(R
ED
)
PUMP-
L
(RED
)
ACN-
3V
(BLU
)
ACL1-3V
(ORG
)
ACL2-3V
(BRW
)
PUM
P-N
(YLW
)
AC
N
(W
HT
)
AC
L
(B
LK
)
GRO
UND
IN
G
LE
AD W
IRE
 F
IXING
 F
O
R OL
P
LE
AD W
IRE FI
XI
NG
 FOR HEAT
ER
BL
UE
BL
UE
BL
AC
K
BL
AC
K
OR
AN
GE
OR
AN
GE
BR
OW
N
BR
OW
N
SURG
E
PROTECT
ION
CI
RCUI
T
NO
IS
E
FI
LT
ER
CI
RCUI
T
COMM
UNICAT
ION
CI
RCUI
T
T2 (BLK
)
T1 (BLK
)
3
R
1
RE
CT
IF
ICAT
IO
N
CI
RCUI
T
EL
ECTRONI
C
CO
NT
RO
LL
ER
(M
AI
N)
EL
ECT
RONI
C CO
NT
ROL
LE
R
(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-
BOOS
TE
R
(B
RW
)
AC
N-
BO
OS
TE
R
(W
HT
)
CN
-O
LP
1
(W
HT
)
RECT
IF
IC
AT
IO
N
CI
RCUI
T
3
1
1
7
1
7
W W W W W W W
23
22
21
20
19
PU
M
P
SO
LA
R
EX
TE
RN
AL
CONT
RO
L
TAN
K
SE
NS
OR
TA
NK
OL
P
RO
OM
TH
ER
MO
STAR
T
BO
OS
TE
R
HE
AT
ER
HE
AT
CO
OL
N
L
OP
EN
CL
OS
E
SO
LA
R 3
-W
AY
VA
LV
E
N
SI
G
NA
L
DE
TE
CT
IO
N
CI
RCUI
T
NOI
SE
FI
LTE
R
CI
RCUI
T
SW
20
1
GR
OU
ND
IN
G
(LA
1)
(LA
2)
(LA
3)
(N
)
SURGE
PROTE
CTI
ON
CI
RCUI
T
RC
CB
BL
BL
BL
GR
400
V 25A
l∆
n=
30m
A
GRO
UND
IN
G
TE
RM
IN
AL
BO
AR
D
BA
CK
UP
HE
AT
ER
PO
W
ER
SU
PP
LY
 2
3-phas
e
AC
40
0V
50Hz
(LB
1)
(LB
2)
(LB
3)
(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
GNAL
 DETECT
IO
N
CI
RCUI
T
B
B
OL
P
80±
3°C
1 2
CN
-F
LO
W
(Y
LW
)
CN
-T
H1
(W
HT
)
CN
-T
H3
(W
HT
)
CN
-T
H2
(W
HT
)
CN
-OL
P2
(W
HT
)
CN
-R
CV
2
(W
HT
)
CN
-V
3
(G
RN
)
CN
-T
HE
RM
O
(W
HT
)
CN
-R
EM
OT
E2
(W
HT
)
FL
OW
 S
W
IT
CH
WA
TE
R O
UT
LE
T 
TE
M
P.
 S
ENS
OR
 (T
HE
RM
IS
TO
R)
W
ATER
 IN
LE
T TEMP
. SE
NS
OR
 (T
HE
RM
IS
TO
R)
RE
FR
IG
ER
AN
T TE
M
P.
 S
EN
SO
R (
TH
ER
M
IS
TO
R)
CO
NT
ROL
PANEL
BL
R BR O BL Y
2
1
1
6
1
4
33
BL
11
1
2
3
4
5
t°
HE
X WA
TE
R OUT
LE
T T
EM
P.
 S
ENS
OR
 (T
HE
RM
IS
TO
R)
1
1
1
23
2
t°
t°
t°
1
NOI
SE
FI
LTE
R
CI
RCUI
T
G
14
5
6
7
WB
L
BL
BR
RB
WB
L
BR
RB
RECT
IF
ICAT
IO
N
CI
RCUI
T
M
RE
CT
IF
IC
AT
IO
N
CI
RCUI
T
G0
8
(G
RN
)
G
WA
TE
R
PUM
P
CI
RCUI
T
B
R
GR
GR
1
1
3
5
1
3
5
2
7
B
BB
18
17
16
15
14
13
Y
R
W
W
BL
BL
W
BR
BR
W
BL
BR
12
11
10
2-WA
Y
VA
LV
E
N
OP
EN
CLOS
E
3-WA
Y
VA
LV
E
N
OP
EN
CLO
SE
9
8
7
SI
GNAL
DET
ECT
IO
N
CI
RCUI
T
TE
RM
IN
AL
BO
AR
D
TE
RM
IN
AL
BO
AR
D
CN
-V
2
(W
HT
)
1
3
5
3
2
1
6
5
4
RE
D
WH
IT
E
WH
IT
E
1
1
3
2
2
3
BR
OW
N
WH
IT
E
ORA
NG
E
REM
ARKS:
W:
W
HI
TE
O:
O
RA
NG
E
R:
RE
D
B:
BL
UE
BL
:
BAL
CK
Y
:
YEL
LO
W
BR
:
BROW
N
G
:
GREEN
GR
:
G
RAY
YG/
:
YEL
LO
W
/GREE
N
RCCB/
EL
CB
:
RESI
DUAL
 CURRENT 
CI
RCUI
T B
REAKER/
EART
H L
EAK
AGE CI
RCUI
T 
BREAKER
 
 
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