18
Wiring Diagram
BA
+1
2V
GN
D
CN
1
AB
G
B A
C
Energy Sa
ving
/
2-
Wa
y Va
lve Interloc
k
Outer Cool/Heat
Pu
mp Se
ttin
g
Compressor
Ov
erload/O
ve
rhea
t
Flo
w S
witc
h
Wa
ter
Pu
mp
Ov
erload
Low
Pr
essure
Sw
itch
High
Pr
essure
Sw
itch
4 Wa
y Va
lve
Chiller's
Wa
ter
Pu
mp Cont
acto
r
Fa
n Motor Cont
acto
r
Compressor
Crankcase Heater
Compressor St
art Cont
actor
Wa
ter
Pu
mp
Fa
n Motor
Wa
ter Circuit B
ased
Electrical Heating Contro
l
Te
rminal
Bo
ard
Alarm single
Description
Name
Description
Name
Field
Wi
ring
Fa
ctor
y Wi
ring
CN1
CN2
CN6
R
SW
2
SW
1
CN
4
OVC
A-
1
OVC
A-
2
Mian Controller(Option)
connect with other units(correspond)
TH2
TH1
TH3
TH4
HEAT
FAN
PUMP
4WV
L
4M
V
MF
OV
-FAN
OV-
PUM
P
LP
1
FL
OW
OV-
COM
P
N-COM
EN-S
AV
E
OV
-HEA
T
N
EG-S
AV
E
RF
S
COMP
MC
1
AL_IN
AL_OUT
LP
FL
OW
MP
HP
1
OV
P
Control panel
(Option)
C/
H
MF
C/
H
EN-S
AV
E
AL
FA
N
PUMP
H
T/EV
COMP
CCH
MF
MC
4W
V
TB
HP
OV
P
MP
FS
OVC
Compressor
Lo
cation
HP
HT
/EV
MC
2
AL
U
N
LP
Po
we
r
Water Inlet Sensor
Water Outlet Sensor
Defrost Sensor1
Defrost Sensor2
Pump
Ov
erload
Sw
itch
(close) Connect
11
and
U
Flo
w
Sw
itch
Connect
10
and
U.
Code
Sw
itch
Seting ref
erence IOM.
R
eser
ve
d control signal
fo
r controlling
wa
ter pump and heating
No v
alv
e and Def
orst sensor at cooling only
.
No
te
:
COMP
Transf
orme
r
RD
WH
N
35
61
3
7
11
(1
1)
(1
4)
L
1
14
10
4
8
TO
CONTR
OL
WIRING
CCH
2
CCH
1
32
31
MC
2
MC
1
(L2)
(L3)
MC
2
(L1)
COMP
A-2
3
~
M
(L2)
(L3)
MC
1
COMP
A-1
3
~
M
TB
380V
ac 3N
̚
50Hz
N
U
M
FA
N
MO
TOR
A-2
3
~
(L2)
(L3)
(L1)
M
FA
N
MO
TOR
A-1
3
~
(L2)
OVC
1
OVC
2
(L1)
(L3)
(L1)
2
BK
YL
9
12
Control
Bo
ard
RFS
WH
BK
RD
WH
BK
RD
WH
BK
RD
WH
BK
RD
WH
BK
RD
WH
BK
RD
WH
BK
RD
WH
BK
RD
W
NU
V
1
2
3
4
5
1
2
3
5
5
A-
1
A-
2
Control
Bo
x
CX(G)AJ 045/065 (N
Type)
Wir
ing Diagr
am
690
12897
000
2
SW
2
˖
5
ǃ
6
˖
00
Heatpum
p
ˈ
11
Re
frigeratio
n
7
˖
0 Normal
ˈ
1 2-
Wa
y
Va
lv
e Interloc
k
8
˖
0 Single
ˈ
1 Modu
l
220V