18
Wiring Diagram
The following wiring diagrams are only for reference, and the supplied wiring diagram Included in the
unit shall prevail.
CGAR/K0305R*/0505R*/0605R*
N
U
(Single compressor)
3
Transformer
RD
WH
water inlet sensor
water outlet sensor
Discharge sensor
Defrost sensor
AC
220V
～
N
47
81
1
Controller
12
16
RD
WH
YL
MC
MC
380V
～
/50Hz/3
φ～
N
N
C0MP
M 3
～
CCH
N
V
RFS
C
A
B
(1
1)
(1
4)
L
RD
WH
MP
PUMP
M 3
～
(L1)
R
(L2)
(L3)
S
T
1N
U 15
20 21
YL
OV
P
NU
UV
W
30
6
HF
FA
N
M 1
～
FA
N
M 1
～
RD
YL
BU
BU
BK
BK
1
＃
２
＃
ADC_OD_C0
2
25
Option
22
Only for heat pump
Heat pump only
HP1
LF
BU
BU
LF
F1
F2
HF
BA
+1
2V
GN
D
CN
1
AB
G
CN
1
CN
2
CN6
R
SW
1
SW
2
CN4
TH2
TH1
TH3
TH4
HEAT
FAN
PUMP
4WV
A-HT
L
4MV
HF
OV
-F
AN
OV
-PUMP
LP1
FL
OW
OV
-COMP
N-COM EN-
SA
VE
OV
-HEA
T
N
AL
Alarm indicator
EG-S
AV
E
Wiring Diagram
TRANE P/N 690
14050
00
01
TB1
To
controller
RFS
COMP
MC
AL_IN
AL_OUT
LP1
FL
OW
MP
HP1
OV
P
CGAR/K0605R* CGAR/K0505R* CGAR/K0305R*
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
Control panel
(Indoor installation)
C/
H
C/
H
Outer Cool/Heat
Pu
mp
Se
tting
Communication with other units
power supply of the main controller
Main controller
OV
-COM
P
Compressor Overload
HP
High pressure switc
h
Auxiliary electric heating
3
LF
PS1
PS
Medium-pressure switc
h
HF
Fa
n high speed
LF
Fa
n low speed
Nam
e
（
optio
n
）
Nam
e
Electrical Heating Control
Va
lve Interloc
k
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.
