21
Wiring Diagram
CGAR/K0755R*
YL
WH
TB1
MC
MP
OV
P
BU
BK
M
FA
N
M
OT
OR
1
～
M
BK
FA
N
MC
(L3)
R
380V
～
/50Hz/3
φ
-N
N
UV
W
PUMP
COMP
(L2)
(L1)
S
T
3
~
M
M 3 ~
BU
F1
HF
CCH
M
OT
OR
1
～
RFS
相序控制器
1
～
M
BK
FA
N
M
OT
OR
RD
YL
WH
RD
BU
BU
BU
BU
RD
RD
RD
F2
LF
YL
YL
YL
30
220
V
～
ADC_ON_C02
RFS
(Single compressor)
Controller
Option
Transformer
RD
WH
water inlet sensor
water outlet sensor
Discharge sensor
Defrost sensor
Only for heat pump
Heat pump only
C
A
B
(1
1)
(1
4)
BA
+1
2V
GN
D
CN
1
AB
G
TH2
TH1
TH3
TH4
FL
OW
COMP
AL-OUT
AL -IN
PUMP
A-HEAT
HEAT
ER
4WV
L
FAN
OV
-F
AN
OV
-PUM
P
HP1
FL
OW
LP1
OV
P
OV
-COMP
N-COM EN-S
AV
E
OV
-HEA
T
N
CON-
P
CON-
S
R
HP1
SW
1
SW
2
CN4
CN6
HF
LF
TRANE P/N 690
1405
0000
3
N
V
Wiring Diagram
CGAR/K0755R*
N
U
4WV
MC
HF
MP
1
N
34
67
8N
11
3
AL
12
15 16
20 21
25 U
L
22
LF
PS1
Description
MP
MC
MF
CCH
COM
P
AL
-OUT/IN
FL
OW
LP
4WV
Description
Pu
mp Contactor
Compressor Contactor
Fa
n Contactor
Crankcase Heater
Compressor
Alarm Output/Input
Low pressure switc
h
Re
ve
rs
ing
Va
lve
Flow Switc
h
N-COM
Common Neutral Line
Fa
ctory wiring
On-site wiring
EN-
SA
VE
Energy S
aving/2-W
ay
FA
N
Fa
n Motor
Cfr
TB
HEA
T
A-HT
Fa
n capacitance
Terminal Bloc
ks
W
ater Circuit Based
Plate Heat Exc
hanger Heater
PUM
P
W
ater P
ump
OV
-PUM
P
Pu
mp Overload
C/
H
Outer Cool/Heat
Pu
mp
Se
tting
OV
-COM
P
Compressor Overload
HP
High pressure switc
h
PS
Medium-pressure switc
h
HF
Fa
n high speed
LF
Fa
n low speed
Nam
e
Nam
e
Electrical Heating Control
Va
lve Interloc
k
Alarm indicator
Auxiliary electric heating
To
controller
Control panel
(Indoor installation)
Communication with other units
power supply of the main controller
Main controller
（
optio
n
）
EG-S
AV
E
C/
H
1#
2#
3#
3
3
3
Te
chnical requirement
1
、
Fo
r all fault inputs.the unit is normal when power on and gi
ves an alarm when power of
f.
2
、
The flow switc
h is installed on site and connected between terminals U and
15
.
3
、
Single unit the pump is optional,if customer pro
vide pump,eac
h unit can use digital output
7 to control it ,while remo
ve the wire jumper between terminal U and 22,connection to th
e
pump protection signal.
4
、
If use 2-valve interloc
k,please dial SW2-7 to "ON".
5
、
Control panel and main controller are optional.
LP1
