Panasonic WH-MDC05J3E5, Service Manual, Page: 43 / 246

43
9. Wiring Connection Diagram
9.1 Water System
CN
2
CN
1
CN-
PW
R4
(B
LK
)
5 3 1
1
11 55 33
W W W W W W
W W
BL
W
B R
1
1
4
2
2 3
1
1 1 1 2 2 3 3
CN
-P
W
R3
(G
RN
)
CN
-P
W
R (B
LK
)
CN
-P
W
R2
04
(Y
LW
)
CN
-P
W
R2
02
(Y
LW
)
CN
-C
OM
M
(Y
LW
)
ACN
(
W
HT)
ACL
(BLK)
DC
N (
BL
U)
DCP (
RE
D)
CN-C NT
(WH T)
CN-P WR 2
(BL U)
RY-V 2
RY-V 3
ROO
M
THERM
O
1
2-
W
A
Y
VA
L
V
E
3-
W
A
Y
VAL
V
E
1 1
CN
-O
L
P
1
(WH
T
)
CN
-F
L
W
SE
N
(WH
T
)
CN
-T
H
1
(WH
T
)
CN
-T
H
3
(W
H
T
)
FL
OW
SENSOR
2
B
B
1
1
4 6
BR
W
B
BL
2
t˚ t˚
OP
TIO
N
A
L
EL
ECT
RONI
C CO
NTRO
LL
ER
(S
U
B
)
W
7
7 4
4 33
2
2 11
BL
R
BR
B
W
BL
R
BR
B
M
W
A
TER
OUTLET TEM
P
. S
E
NS
O
R
(
T
HERM
IS
TOR)
REF
R
IG
ERA
N
T
TEM
P
. S
E
NS
OR (
T
HERM
IS
TOR)
W
A
TER I
N
LET
TEM
P
. S
E
NS
OR (
T
HERM
IS
TOR)
LE
AD WIR
E
FI
XING FO
R
O
L
P
BL
U
E
BL
U
E
B
L
ACK
P
OOL W
A
TER
PU
M
P
CN
20
9
SSR202 SSR20
3
CN208
SS
R
2
00
SS
R
2
0
1
CN-
C
N
T
(W
H
IT
E
)
CN20
5
CN
20
4
DC GN
D
DC 10
V
VC
C
B
IT
2
B
IT
1
CN
2
0
7
CN206
CN
2
1
0
1 5
RY
1
CN
2
0
1
CN20
2
SSR204
SSR205
SSR206
SSR207
CN20
3
LL
NN
COO
L
ROOM
THERM
O
2
ROOM
THERM
O
1
MIX
IN
G
V
A
LV
E 1
MI
X
IN
G
V
A
LV
E 2
COO
L
HE
AT
HE
AT
S
O
LA
R W
A
TER
PU
M
P
ERR
O
R
S
IGNA
L
W
A
TER P
U
M
P
ZONE 1 W
A
TER P
U
M
P
ZONE 2
ROOM TEMP.
ZONE 2
ROOM TEMP.
ZONE 1
BUFFER TANK
SENSOR
POOL TEMP.
SENSOR
WATER TEMP.
ZONE 2
WATER TEMP.
ZONE 1
DEMAND
SIGNAL
SOLAR TEMP.
SENSOR
SG SIGNAL
HEAT/COOL
SWITCH
EXTERNAL
COMP. SW
BL
AC
K
W
A
TER
PU
M
P
WATE
R
PUMP CIRCUI
T
AC1
-L
3
(B
L
K
)
AC
1
-N
(WH
T
)
G
RE
D
WHI
T
E
W
W
W
W
DA
TA
(R
E
D
)
G02
(GRN)
CN
-P
U
M
P1
(W
H
T)
1 4 5 6 7
HT1-L3
(RE D)
AC 2-L3
(BL K)
ACL 3
(BL K)
RY-B OOSTER
AC2-N 2
(WHT )
RY-H T (L3)
SW1
SW
2
OU
TDOOR A
IR
S
E
NS
OR
EX
TERN
A
L
C
O
N
T
ROL 1
B
O
ILER C
ONTA
C
T
EX
TRA
P
U
M
P
B
OOS
TER
HEA
TER
RY
-C
ON
TA
C
T
1
TA
NK
S
E
NS
OR
t˚
t˚
80±3°
C
GR
OUND
IN
G
BA
CKU
P
H
E
AT
E
R
(
3
kW
)
OLP
B
OOS
TER
HEA
TER
ROOM
TEM
P
.
ZONE 1
OLP
80±3°
C
CN
6
CN
5
CN
4
CN
3
SS
R
1
BL
BL
W
W
A
B
(L
1
)
(N
1
)
GR
OUND
IN
G
T
E
R
M
IN
AL
BO
AR
D
RC
C
B
BL
BL
W
BL
R
R
1
1
2
2
CONT
ROL
PANE
L
G01 (GRN)
R
E
CT
IF
ICA
T
IO
N
CI
RCUIT
SIGNAL D
E
TEC
TIO
N
CIRCUI
T
SI
G
N
AL
DETEC
TIO
N
C
IRC
UI
T
S
IGNA
L
DETE
C
T
IO
N
C
IRC
UIT
SI
G
N
AL
DE
TE
CT
ION
C
IRC
UI
T
ELEC
TRON
IC
C
ONTR
O
LL
ER
(M
A
IN
)
HEX
W
A
TER
OUTLET TEM
P
.
S
E
NS
OR
(T
HERM
IS
TOR)
HEAT
CLOSE
C
LOSE
NN
OP
E
N
O
P
E
N
CO
O
L
N
L
RE
M
A
R
K
S
:
W
:
WH
IT
E
B
R
:
BR
O
W
N
O
:
O
R
ANGE
G
:
GR
E
E
N
R
:
RE
D
G
R
:
GR
A
Y
B
:
BLUE
Y/
G
:
Y
ELL
O
W
/G
R
EEN
BL
:
BLACK
RCCB
:
RE
SIDUAL
CURRE
NT CI
RCUIT
B
R
EAKE
Y
:
YEL
L
OW
L2
(W
H
T)
G0
3
(G
RN)
L1
(WH
T)
2
1 1
2
REA
C
TO
R
OLP
G
G
FU
S
E
1
T6.
3A
L250V
FU
S
E
3
T3.
15A
L250V
NO
IS
E FI
LT
ER
CI
RCUIT
NOI
SE
FI
L
TER
C
IRC
UI
T
NOI
SE
FI
LT
ER
CIRCUI
T
COMMUNICAT
ION
C
IRC
UI
T
RECT
IFI
CATI
O
N
CI
RCU
IT
BL W
230V
40A
I
n=30m
A
POW ER S UPPLY 1
S in gle ph as e AC230 V 50 Hz
POW ER SU PPLY 2
Singl e p has e A C230V 50Hz
(L
)
(N
)
BL W
RC
C
B
230V
40A
I
n=30m
A
R
LEA
D W
IRE
FI
X
ING F
OR
HEA
TER
CL
OSE
C
L
O
SE
NN
O
P
EN
O
P
EN
1 3
1
R
1
2
RE
FR
IG
E
R
A
N
T
SY
ST
EM
TE
R
M
INAL
BO
A
R
D
CN-
H
T
(W
H
T
)
1
3
BL
BL
HE
A
T
ER
1
1
2
2
RY-H T