35
8. Wiring Connection Diagram
8.1 Indoor
Unit
BL
BL
BL
R
R
BR
BR
B
B
W
CN
-R
CV
2
(WHT
)
CN
-V
2
(WHT)
CN
-V
3
(GRN)
CN
-T
HERMO
(W
HT)
7
1
1
1
2-
W
AY
VA
LV
E
ROOM TH
ER
M
OST
AT
EXTE
RNA
L
CONTROL
1
CN
-F
LO
W
(Y
LW)
CN
-R
EM
OT
E2
(W
HT)
FL
OW
SW
IT
CH
1
R
R
B
B
Y
BL
SW
1
SW2
BL
BL
BR
BL
W
2
1
2
89
5
6
7
4
3
2
1
1
1
1
TO
OUTDOOR
UNIT
ELEC
TRONI
C
CONTROLLER
(M
AI
N
)
WA
TE
R
PUM
P
WA
TE
R
PIPI
NG
CONTROL BO
AR
D
7
7
7
6
2
2
5
3
3
4
4
4
1
6
4
1
G
G
t
t
t
t
t
W
W
OPE
N
CLOSE
N
LN
HE
AT
CO
OL
TE
RM
IN
AL
BOARD
TE
RM
IN
AL
BOARD
3W
AY
VAL
VE
W
ATER
OUTLE
T
TEMP.
SENSOR
(THERMISTOR)
REFRI
GE
RA
NT
TEMP.
SENSOR
(T
HERMISTOR)
WA
TER
IN
LET
TE
MP
.S
ENS
OR
(T
HERMI
ST
OR)
3
3
3
5
5
1
3
5
33
1
1
LE
AD
W
IRE
FI
XI
NG
FO
R
O
LP
BL
UE
BL
UE
BL
AC
K
BL
AC
K
3
2
GROUNDI
NG
GROUNDING
1
AC1
-L
3
(B
LK
)
1
3
T2 (BLK)
T1 (BLK
)
AC1
-N
(W
HT)
TR
AN
SF
ORM
ER
CN-
T1
(W
HT)
R
R
BL
W
W
W
W
BL
DATA (R
ED
)
G04 (GRN)
RY
-HT
(L3)
HT1-L3
(RED)
AC2-
L3
(BLK
)
AC2-
N2
(WHT
)
SURGE PR
O
TEC
TI
O
N
CI
RCUI
T
SI
G
N
AL
D
ETEC
TI
O
N
CI
RCUI
T
SI
GNA
L
D
ETEC
TI
O
N
CI
RC
UI
T
80±3°
C
CN-
OL
P1
(WHT
)
2
B
B
TERM
INALB
OARD
TER
MIN
A
L
BOA
R
D
BA
CKUP
HEA
TER
(3
kW
)
R
OL
P
80±
3°C
BL
R
BL
BL
BL
W
(L
1
)
(N
1
)
W
W
G
ROU
NDIN
G
EL
CB
T3
G
11
2
2
A
B
R
BR
O
BL
Y
CONT
ROL
PA
NEL
G01 (GRN)
RE
CT
IF
IC
AT
IO
N
CI
RCUI
T
RE
CT
IF
IC
AT
IO
N
CI
RCUI
T
RE
CT
IF
ICAT
IO
N
CI
RCUI
T
RE
CT
IF
IC
AT
IO
N
CI
RC
UI
T
CN-
TH3
(W
HT)
CN-
TH2
(WHT
)
CN-
TH1
(WHT
)
1
2
HE
X
W
AT
ER
OUT
LE
T
TE
M
P.
SE
NS
OR
(T
HER
M
IST
OR)
TA
NK
TE
M
P.
SE
NS
OR
(T
HER
M
IST
OR)
L2
(WH
T)
L1
(W
HT
)
2
1
1
2
REA
CT
O
R
OLP
G05 (GRN) G07 (GRN)
CN
-PU
M
P2
(W
HT
)
G08 (GRN)
FUSE
1
T6.
3A
L250
V
NO
ISE
FI
LTER
CI
RCUI
T
NOI
SE
FI
LTER
CI
RCUI
T
G
G
G
CO
M
M
UNI
CAT
IO
N
CI
RC
UI
T
W
ATER
PU
M
P
CI
RC
UI
T
RY-V
2
RY-V
3
BL
BR
B
M 1
M
BL
R
W
POWER
SUPP
LY
1
Singl
ep
hase
AC230
V50Hz
POWER
SUP
PLY
2
Singl
ep
has
eA
C230V
50Hz
(L)
(N)
BL
W
ELC
B
23
0V
30A
I
n=3
0mA
LE
AD
W
IRE
FI
XI
NG
FOR
H
EA
TE
R
WH
IT
E
RE
D
230V
30
A
I
n=
30mA