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Electronic Circuit Diagram
I
ndoor
Unit
CN
2
CN
1
CN
-P
W
R
4
Bla
ck
5
4
3
1
2
1
1
1
1
2
G6
2
3
3
CN
-P
W
R
3
Gr
e
e
n
CN
-P
W
R
(B
LK
)
CN
-CN
T
CN
-P
W
R
2
Blu
e
RY-V
2
RY-V
3
RO
O
M
TH
E
R
M
O
1
2-
W
A
Y
VA
LVE
1
1
2 3 4
5
CN
-O
LP
1
FL
OW
SE
NS
O
R
2
B
B
1
1 2 3 4
6
BR
W
B
BL
2
1
2
t˚
t˚
W
7
7
4
4
33
2
2
11
BL
R
BR
B
W
BL
R BR
B
M
W
A
TE
R
O
U
TL
E
T
T
E
MP
S
E
NS
O
R
REF
R
IGERA
N
T TE
MP
S
E
N
S
OR
WA
T
E
R IN
LE
T T
E
M
P
S
E
NS
O
R
WA
TE
R
PU
M
P
WA
T
E
R
PU
M
P
CIR
C
U
IT
WAT
E
R
PI
P
IN
G
C
O
NNE
C
T
ING
BA
R
G
WA
T
E
R
PI
PIN
G
C
O
NNE
C
T
ING
BA
R
G
1
(B
L)
2 (W)
3 (R
)
AC
1
-L
3
(B
LK
)
AC
1-N
(W
H
T
)
G
W
W
W
W
DA
T
A
(R
E
D
)
G0
2
(G
R
N
)
CN
-P
U
M
P1
(W
H
T)
1
4
5
6
7
SW1
SW2
OUTD
OO
R
A
IR
SE
N
S
O
R
EX
TE
RN
A
L
CO
N
T
R
O
L 1
BOI
LE
R
C
O
NT
A
C
T
EX
T
R
A P
U
M
P
RY
-C
O
N
T
A
C
T
1
TANK SE
N
S
O
R
t˚
t˚
t˚
80
±
3°
C
TER
M
IN
A
L
BO
A
R
D
GR
O
U
N
D
IN
G
GR
O
U
N
D
IN
G
TO O
UTD
OO
R U
NIT
OL
P
BO
OS
TE
R
HEAT
ER
RO
O
M
TE
M
P
.
ZO
NE
1
CN
6
CN
5
CN
4
CN
3
SSR1
BL
BL
CON
T
R
O
L
PAN
E
L
G0
1
(GR
N
)
R
EC
T
IF
ICA
T
IO
N
CIR
C
U
IT
SIGN
AL
DE
TE
CT
IO
N
CI
R
CU
IT
E
LE
C
T
R
O
NI
C
C
O
N
T
R
O
LLE
R
(M
AI
N)
B
U
FFE
R T
A
N
K
TEMP
SEN
S
O
R
HE
X
W
A
T
E
R
O
U
T
L
E
T
TE
M
P
S
E
N
S
O
R
HE
A
T
CL
O
S
E
N
OP
E
N
CO
O
L
N
L
L2
(W
H
T)
G0
3
(G
RN
)
L1
(W
H
T)
2
1
1
2
RE
A
C
TO
R
OL
P
G
G
FU
S
E
1
T
6
.3
A L
2
50V
FU
S
E
3
T
3
.1
5A
L
250
V
N
O
IS
E FIL
T
ER
CI
R
C
U
IT
NO
IS
E
FI
LT
ER
CI
R
CU
IT
NO
IS
E
FI
LT
ER
CI
R
C
U
IT
CO
M
M
U
N
ICA
T
IO
N
CI
R
C
U
IT
REC
T
IF
IC
A
T
IO
N
CI
R
CU
IT
BL
W
POW
ER SUPPL
Y 1
Singl
e phase A
C230V
50Hz
(L
)
(N
)
BL
W
R
CCB/
EL
CB
2
30V
30A
~
4
0A
In
=
3
0
m
A
R
B
BL
BR
3-
W
A
Y
VAL
V
E
M
1
~
N
OPE
N
CLO
SE
12
V
C
121
1u
50
V
C8
3
0.
1u
16
V
G2
G2
C
123
1u
50
V
C9
3
1
00p
50
V
4
3
1
2
R1
10
k
20V
ZD2
R2
4
10
k
PC
1
C9
8
1u
16
V
C8
9
1u
16V
G2
R1
4
1
6.4
9k
1%
R
143
6.
4
9k
1%
R
136
1k
5V
5V
5V
1
2
3
4
4
3
2
1
1
2
3
4
CN
-F
L
W
S
E
N
CN
-T
H1
*C
N
-T
H
2
CN
-T
H3
12
V
5V
R1
4
0
20k
1%
C9
0
1u
16
V
C8
4
1u
16V
C8
1
1u
16V
C7
9
1u
16
V
C7
3
1u
16
V
R
139
20k
1%
R1
3
5
20
k
1%
R1
3
2
82
0
1%
R
128
20k
1%
C8
8
1u
16
V
C9
1
220
u
10V
5V
C9
2
0.
1u
16
V
R1
3
0
10
k
G2
G2
G2
5V
_
2
12V
C4
8
0.
1u
16V
L4
L3
C6
1
1
000
p
50
V
C6
3
1
000p
50V
R8
1
10
k
R8
6
10
k
5V
5V
_
2
20
V
1
W
(N
1)
(L
1)
R
Single
pha
se AC
230V 50H
z
POW
ER SUPPL
Y 2
BL
TERM
IN
AL
BO
ARD
GR
OU
N
D
IN
G
BL
RC
CB/
E
LC
B
80
3
C
OL
P
BL
AC2-
N2
(WHT)
SI
G
N
A
L
DE
TE
CT
IO
N
CI
R
CU
IT
2
1
2
33
AC
2-L3
(BLK
)
RY
-H
T(L3)
HT1-
L3
(RE
D)
R
BL
W
HT1-
L2
(ORG
)
AC
2-L2
(YLW
)
RY
-H
T(L2)
W
OL
P
80
3
C
AB
O
Y
O
W
2
2
1
1
O
I
n=
30m
A
230V
30A
~
40A
CN
-C
O
M
M
W W W W
AC
N
(W
H
T
)
AC
L
(B
L
K
)
W
CN208
WA
T
E
R
P
U
M
P
ZO
N
E
1
*CN
204
W
ATER TEM
P.
ZO
NE 1
W
ATER TEM
P.
ZO
NE 2
PO
O
L TEM
P
.
SE
N
S
O
R
BU
F
F
ER
T
AN
K
SE
N
S
O
R
RO
O
M
T
E
M
P
.
ZO
N
E
1
RO
O
M
T
E
M
P
.
ZO
N
E
2
CN21
0
EXTERN
AL
CO
M
P.
SW
HEAT/
C
O
O
L
SW
IT
C
H
CN207
SOLAR TEMP.
SENSOR
DEMAND
SIGNAL
CN20
6
VC
CB
IT2
BIT
1
SG SI
GN
AL
DC
DC
G
N
D
10V
BL
E
LE
C
T
R
O
N
IC
CO
NT
RO
LLE
R
(S
U
B
)
1
2
3
4
5
6
1
1
2
3
4
2
3
4
5
6
SS
R
2
00
WA
T
E
R
P
U
M
P
ZO
N
E
2
SS
R
2
01
CN209
PO
O
L W
A
TER
PUM
P
SS
R
2
02
SO
LAR W
ATER
PU
M
P
SS
R
2
03
ERR
O
R
SI
G
N
AL
RY
1
CN
201
CO
O
LHE
A
T
N
L
RO
O
M
TH
ERM
O
2
SI
G
N
AL
DETECTI
O
N
C
IRC
UI
T
C
N
202
CN2
03
C
OOL
H
E
A
T
N
L
RO
O
M
TH
ERM
O
1
SI
G
N
AL
DETECTI
O
N
C
IRC
UI
T
NO
P
E
NCLO
S
E
MIX
IN
G
VAL
VE 2
SS
R207
SS
R206
NO
P
E
NCLO
S
E
MIX
IN
G
VAL
VE 1
SS
R205
SS
R204
CN-
P
W
R20
4
1 2 3
W
W
5V
5V
_2
*R28
0
C201 220u 10
V
DC
P
Bl
u
e
DCN Re
d
B
R
5V
C2
20
220u 10V
C219
1u 16
V
C21
7
1u 16
V
C21
5
1u 16
V
C214 1u 16
V
C242
1u 16
V
C
223 1u 16
V
R2
68
6.
49k 1%
R
260
6.
49k 1%
R25
2
6.
4
9k
1%
R23
4
6.
49
k
1%
C2
18
1u 16V
5V
R2
61
6.
4
9k
1%
1/
10W
R24
5
6.
4
9k
1%
5V
C23
8
1u 16V
R263 1% 1/
10W
R2
66
8.
2k
1%
C239 2200
p
50
V
ZD
202
5.
6V
R264 10k 1%
R26
7
47
k
1%
R2
69
374
k
1%
L20
3
L20
4
5V
5V
C
N
-P
W
R
202
1
1
2
3
4
1
2
3
4
2
W
W
C29
3
1u 50V
C294
1u 50
V
20V
ZD
203
R275 10k
G2
12
V
*R
278
*R
279
G2
20
V
G2
K
A
K
A
20V
ZD
201
R201 10k
G2
K
A
1 2 3 4
C
222
1
000p 50
V
C22
1
100
0p
50V
C
282
220
u
10
V
5V
*R26
5
1%
*CN
205
CN-
CNT
5
4
3
2
1
*C2
04
0.
1u
16V
C21
2
10
00p
50
V
C21
0
10
00p
50
V
*C
208
0.
1u
16
V
L201
12V
L20
2
5V
_2
5V
R2
22
10
k
R
226 10k
12V
IC
204
31
2
GN
D
C24
5
330
0u
35V
+
C2
44
0.
0
1u
50V
C248 1000u 25
V
+
K
A
+