Electronic Circuit Diagram
Indoor
Unit
CN
1
CN
2
CN-
PW
R
4
(B
LK
)
5
3
1
1
1
1
W
W W W
W
W
W
BL
W
W
B
R
4
2
2 3
1
1
1
1
3
2
2
3
CN
-P
W
R
3
(GRN)
CN-
PW
R(
BLK)
CN-
P
W
R
20
4
(Y
LW
)
CN-
C
OM
M
(Y
LW
)
CN
-P
W
R
20
2
(Y
LW
)
ACN
(W
H
T)
ACL
(B
LK
)
DCN (B
LU
)
DC
P
(R
ED
)
CN
-C
N
T
(W
H
T)
CN-
P
W
R
2
(B
LU
)
RY-V
2
RY-V
3
ROOM
THE
RM
O
1
2-
W
AY
VA
LV
E
1
1
CN
-O
LP
1
(W
HT
)
CN
-F
LW
SE
N
(W
HT
)
CN
-T
H1
(W
HT
)
FL
OW
SE
NS
OR
2
B
B
1
1
4
6
BR
W B BL
2
t
OPTI
O
NAL
ELEC
TR
ONI
C
CONTROLLER
(S
UB
)
W
7
7
4
4 33
2
2 11
BL
R BR
B
W
BL
R BR
B
M
W
ATE
R
OUTL
ET
TE
M
P.
SE
NS
OR
(T
HERM
IS
TOR)
RE
FR
IGERA
NT
TEM
P.
SE
NS
OR
(T
HE
RM
IS
TOR)
W
ATE
R
IN
LET
TE
M
P.
SENS
OR
(THERM
IS
TOR)
POOL
W
AT
ER
PU
M
P
CN
20
9
SSR2
02
S
SR
203
CN2
08
SS
R
20
0
SS
R
20
1
CN-
CN
T
(W
H
ITE)
CN2
05
CN20
4
DC GND
DC 10
V
VC
C
BIT
2
BIT
1
CN
20
7
CN
20
6
C
N
210
1
5
RY1
CN
20
2
CN2
03
C
N
201
SSR
20
4
SSR20
5
SSR
20
6
SSR
20
7
N
L
C
OOL
ROO
M
THE
RM
O
2
ROOM
THE
RM
O
1
MI
XIN
G
VAL
VE
1
MI
XI
NG
VA
LVE
2
HEA
T
NO
PE
N
CL
O
SE
NO
PE
N
CL
O
SE
N
LC
O
O
L
HE
AT
SO
LA
R
W
ATER
PU
M
P
ERRO
R
SI
GN
AL
W
ATER
PU
M
P
ZONE
1
W
ATER
PU
MP
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
WA
TE
R
PU
M
P
WAT
ER
PU
M
P
CI
RCU
IT
5
4
3
2
1
AC
1-
L1
(B
LU
)
AC
1-
L2
(Y
LW
)
AC
1-
L3
(B
LK
)
AC
1-
N
(W
HT
)
G
BB
R
BR
Y
O
O
W
W
W
W
DA
TA
(R
ED
)
G02 (GRN
)
CN
-PU
MP
1
(W
HT
)
1
4 5 6 7
HT1-
L3
(RED
)
HT1-
L2
(ORG
)
HT1-
L1
(BRW
)
AC2-
L1
(BLU
)
AC2-
L2
(YLW
)
AC2-
L3
(BLK
)
AC2-N
2
(WHT
)
RY-H
T(L
3)
RY-
HT
(L2)
RY-
HT
(L1)
SW
1
SW
2
OU
TDO
OR
AI
R
SE
NS
OR
EX
TE
RN
AL
CO
NTROL
1
BO
IL
ER
CO
NT
ACT
EX
TR
A
PU
M
P
RY
-C
ONT
AC
T1
TA
NK
SE
NS
OR
t
t
t
80
±3
°C
TER
M
IN
AL
BO
AR
D
GROUNDI
NG
GRO
UNDI
N
G
TOO
UTD
OOR
UNI
T
BA
CK
UP
HE
AT
ER
AC
2-
N1
(G
RY
)
FU
SE
2
20
A
500
V
OLP
BO
OS
TE
R
HEA
TE
R
ROOM
TE
M
P.
ZONE
1
OLP 80
±3°
C
OLP 80
±3
°C
OL
P
80±
3°
C
CN
6
CN
5
CN
4
CN
3
SS
R1
BL
BL
W W
W
GR
AB
GROUN
DI
NG
TERM
IN
AL
BOA
RD
RCCB
BL
BL
BR
W
BL
BL
R
R
O
1 2 3
4
3
4
1 2
CO
NT
RO
L
PA
NE
L
G01 (G
RN
)
RE
CT
IF
IC
AT
IO
N
CIRC
UIT
SI
G
N
AL
DETE
CTI
ON
CI
R
CU
IT
SI
GN
AL
DE
TE
CT
IO
N
CI
RC
UI
T
SIG
NAL
DE
TE
CT
IO
N
CIR
CUI
T
SI
GNA
L
DE
TE
CT
IO
N
CI
RC
UI
T
EL
EC
TRONI
C
CONT
ROL
LE
R
(MA
IN)
H
EX
W
ATER
O
U
TLET
TEM
P.
SEN
SO
R
(T
HE
RM
IS
TOR
)
HEA
T
CL
O
S
E
N
OP
EN
NL
COOL
L2
(WH
T)
G0
3
(GRN
)
L1
(W
HT
)
2
1
1
2
REA
CT
OR
OLP
G
G
FU
SE
1
T6.
3A
L25
0V
FU
SE
3
T3
.15
A
L25
0V
NO
IS
E
FIL
TE
R
CI
RC
UI
T
NO
IS
E
FILT
ER
CIRC
UIT
NO
IS
E
FI
LT
ER
CI
RC
UI
T
CO
M
M
UNI
CA
TI
ON
CI
RC
UI
T
RE
CT
IF
IC
AT
IO
N
CI
RC
UIT
B
Y
W
BL
POWER
SUPPL
Y1
3-ph
ase
AC
400
V50
Hz
POW
ER
SUPPL
Y2
3-pha
seA
C400
V5
0Hz
(L
A1
)
(L
A2
)
(L
A3
)
(N
)
BL
Y
B
W
RCCB
40
0V
25A
I
n=
30
m
A
R
SI
GN
AL
DE
TE
CT
IO
N
CI
RC
UI
T
40
0V
25A
~40
A
I
n=30
m
A
(L
B1
)
(L
B2
)
(L
B3
)
(N
)
2
3
1
2
3
1
WA
TE
R
PI
PI
NG
CON
NEC
TI
NG
BA
R
G
WA
TE
R
PI
PI
NG
CO
NN
EC
TIN
G
BA
R
G
B
BL
BR
3-
W
AY
VAL
VE
M 1
~
N
OPEN
CLOSE
1
2
t
TA
NK
TE
M
P.
SE
NS
OR
(T
HE
RM
IS
TOR
)
1
4
1
2
3
4
C12
3
1u
C9
3
100p
LF
3
4
3
1
2
R1 10k
ZD
2
R2
4
10
k
PC1
5V
1
2
3
4
4
3
2
1
12
V
C1
21 1u
C8
9
1u
G2
G2
C9
8
1u
G2
C83 0.
1u
R
136 1k
R1
41
6.
49k
R
143
6.
49
k
5V
5V
12
V
IC
9
1
2
3
4
5
6
7
16
15
14
13
12
11
10
G3
*J
P8
*R
22
*R
21
*R
12
*R
23
*R
16
*R
11
*R
Y-
H
TL3
*R
Y-
H
TL2
*R
Y-
H
TL1
IC
9
5V
G3
CO
M
M
ON
GN
D
5V
C9
2
0.
1u
R1
30
10k
CN
-T
H
3
(W
H
T)
CN
-T
H
2
(W
H
T)
5V
R1
40
20k
C9
0
1u
C8
4
1u
C8
1
1u
C7
9
1u
C73 1u
R
139 20
k
R
135 20k
R
132 82
0
R
128 20k
C8
8
1u
C9
1
220
u
+
G2
G2
G2
5V
_2
20V
G6
5V
_2
12
V
C48 0.
1u
*C
57
L4
L3
5V
R8
6
10
k
C6
3
1000p
R8
1
10k
C61 100
0p
20V
C
294 1u
G2
G2
*R
279
NO
NE
C
282 220
u
C22
1
1000p
C2
22
1000p
+
5V
5V
_2
5V
C20
1
220u
+
*R
280
NO
NE
