42
9. Wiring Connection Diagram
9.1 Water
System
9.1.1
WH-MXC09J3E8
CN
2
CN
1
CN
-P
W
R
4
(B
LK
)
W
W
BL
W
B
BL
BL
R
1 2 3
1
1
2
3
3
2
2
1
1
1
CN
-P
W
R
3
(GR
N
)
CN
-P
W
R
20
4
(Y
LW
)
DC
N
(B
LU
)
DCP (R
E
D
)
RY-V
2
RY-H
T
RY-V
3
RO
O
M
T
HE
R
M
O
1
1
1
CN
-O
LP
1
(W
H
T
)
CN-
F
LW
S
E
N
(WH
T
)
CN
-T
H
1
(W
H
T
)
CN
-T
H
3
(W
H
T
)
FL
O
W
SEN
SO
R
FL
O
W
SEN
SO
R
2
B
B
1
1
4
1
4
6
BR W B BL
2
t˚
t˚
OP
T
ION
A
L
E
L
EC
T
R
O
N
IC
C
O
N
T
R
O
L
L
E
R
(S
U
B
1
)
W
R
11
7
7
4 3
4 3
2 1
2 1
BL
R BR
B
W
BL
R BR
B
M
W
A
T
E
R
O
U
T
LET
T
EM
P.
S
E
N
SO
R
(
T
H
E
R
M
IS
T
O
R
)
R
E
F
R
IG
ER
AN
T
T
E
M
P
.
SEN
SO
R
(
T
H
E
R
M
IS
T
O
R
)
W
A
T
E
R
IN
LE
T
T
E
MP
.
S
E
N
S
O
R
(
T
H
E
R
M
IS
T
O
R
)
P
OOL
W
A
T
E
R
PU
M
P
CN
-C
N
T
(W
H
T
)
C
N
20
5
C
N
204
DC GN
D
DC 10
V
VC
C
B
IT
2
B
IT
1
CN
20
7
C
N
206
CN
21
0
1
5
R
OOM
T
H
E
R
M
O
2
R
OOM
T
H
E
R
M
O
1
MI
X
IN
G
VA
LV
E
1
MI
X
IN
G
VA
LV
E
2
HEA
T
C
OOL
L
N
HEAT
C
OOL
LN
NO
P
E
N
N
O
P
E
N
CL
O
S
E
C
L
O
S
E
SO
LA
R
W
A
T
E
R
PU
M
P
ER
R
O
R
SI
G
N
AL
WA
T
E
R
P
U
MP
ZO
NE
1
WA
T
E
R
P
U
MP
ZO
NE
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
WA
T
E
R
PU
M
P
WA
T
E
R
PU
M
P
CI
RC
UI
T
1
2
3
4
5
AC
1-
L3
A
C
1-
L1
(B
LU
)
A
C
1-
L2
(Y
LW
)
(B
LK
)
AC
1-
N
(W
H
T
)
G
DA
TA
(R
E
D
)
G0
2
(GR
N
)
CN
-P
UM
P
1
(W
H
T
)
1
4 5 6 7
AC2-
L3
(BLK
)
AC2-
L2
(YLW
)
AC2-
L1
(BLU
)
HT1-
L3
(RE
D)
HT1-L
2
(ORG
)
HT1-L
1
(BR
W)
AC2-
N2
(WH
T)
RY
-BOOS
TE
R
RY
-HT
(L
3)
RY
-HT
(L
2)
SW
1
SW
2
OU
T
D
OOR
A
IR
SE
N
S
O
R
EX
T
E
R
N
A
L
CO
N
T
RO
L
1
B
O
IL
E
R
C
O
N
T
A
C
T
/D
E
F
R
O
S
T
S
IG
N
A
L
E
X
T
R
A
PU
M
P
BO
O
S
T
E
R
H
EAT
ER
RY
-C
O
N
TA
C
T
1
TA
N
K
SE
N
S
O
R
t˚
t˚
80±
3°C
TE
RM
IN
A
L
R
E
F
R
IG
ER
AN
T
SYST
E
M
GR
OU
N
D
IN
G
BO
AR
D
BA
C
K
U
P
H
EAT
E
R
TE
RM
IN
A
L
BO
AR
D
OL
P
B
OOS
T
E
R
H
EAT
E
R
RO
O
M
T
E
M
P
.
ZO
NE
1
OL
P
80±
3°C
OL
P
80
±3
°C
OL
P
80±
3°C
CN
6
AC
2-
N
1
(G
R
Y
)
AC
L3
(B
LK
)
LJ
P2
(W
H
T
)
CN5
CN4
CN
3
SS
R
1
BL
BR
R
O
Y
B
W
R
OO
W
W
W
BR
BR
BL
BL
GR
3
22
1
1
3
4
4
CO
N
T
RO
L
PAN
E
L
G0
1
(GR
N
)
R
E
C
T
IF
IC
A
T
IO
N
C
IRC
UI
T
SI
G
N
AL
DE
T
E
C
T
IO
N
C
IRC
UI
T
SI
G
N
AL
DE
TE
CTI
O
N
CI
RC
UI
T
E
L
EC
TR
O
N
IC
C
O
N
T
R
O
L
L
E
R
(M
A
IN
1
)
H
E
X
W
A
T
E
R
O
U
T
LE
T
T
EM
P
.
SEN
SO
R
(T
HE
RM
IS
T
O
R)
H
EAT
C
O
O
L
N
L
G0
3
(GR
N
)
OL
P
G
G
F
U
SE1
T
6.
3A
L2
50V
F
U
SE3
T
3.
15
A
L25
0V
NO
IS
E
FI
LTE
R
CI
RC
UI
T
SI
G
N
AL
DE
TE
CTI
O
N
CI
RC
UI
T
NO
IS
E
FI
LT
E
R
CI
RC
UI
T
NO
IS
E
FI
LT
E
R
C
IRC
UI
T
CO
M
M
UN
IC
A
T
IO
N
CI
RC
UI
T
R
E
C
T
IF
IC
A
T
IO
N
CI
RC
UI
T
BL
Y
B
W
POW
ER
SU
PP
LY 1
3-ph
ase
AC
400V 50H
z
(N
)
BL
Y
B
W
(L
A1
)
(L
A2
)
(L
A3
)
RC
CB
400
V
25
A
I
n=
30
m
A
R
1
3
CN
-P
W
R
(B
LK
)
AC
N
(
W
H
T
)
ACL
(B
LK
)
C
N
209
SS
R
202
SS
R
203
C
N
208
SS
R
200
SS
R
201
R
Y
201
C
N
20
1
C
N
202
SSR
204
SSR
205
SSR
206
SSR
207
CN
20
3
SI
G
N
AL
DE
TE
CTI
O
N
CI
RC
UI
T
SI
G
N
A
L
DE
T
E
CT
IO
N
CI
RCU
IT
CN
1
CN
-H
T
(W
H
T
)
H
EAT
E
R
2-
W
A
Y
VA
LV
E
C
LO
S
E
O
PEN
N
3-
W
A
Y
VA
LV
E
C
LO
S
E
O
PEN
N
5
3
1
1
W
W
W W
W
W
1
4
2
1
2
CN-P
WR
202
(YLW
)
CN-C
OM
M
(YLW
)
CN-C
NT
(WHT
)
CN-P
WR
2
(BLU
)
BL
W
(L
1
)
(N
1
)
GR
OU
N
D
IN
G
RC
CB
23
0V
3
0A
I
n=
30
m
A
POW
ER
SU
PPLY
2
Singl
e ph
ase
AC
230V 50H
z
RY
-HT
(L
1)
F
U
SE
2
20A
500V
A
22
33
11
LE
A
D
WIR
E
F
IX
IN
G
F
O
R
O
LP
BL
U
E
BLA
C
K
BLU
E
OR
A
N
GE
OR
A
N
G
E
BR
O
W
N
BR
O
W
N
BL
AC
K
3
3
1
1
2
2
BR
O
W
N
RE
D
OR
A
N
GE
WH
IT
E
WH
IT
E
WH
IT
E
LEAD
W
IR
E
F
IXI
N
G
F
O
R
H
EA
T
E
R
RE
M
A
RK
S
:
W
:
W
H
IT
E
O
:
O
R
A
N
G
E
R
:
R
E
D
B
:
B
LU
E
B
L :
B
LA
C
K
Y
:
Y
E
LL
O
W
B
R
:
B
R
O
W
N
G
:
G
R
E
E
N
G
R
:
G
R
A
Y
Y
/G
:
YEL
LO
W
/G
R
EEN
R
C
C
B
:
R
E
SI
D
U
A
L
C
U
R
R
E
N
T
C
IR
C
U
IT
B
R
EAKE
R
OR
1
4
1
4 5
1
5
1
5
BR W B
BL
BR W B
BL R