
Electrical Schematics
CG-SVX038A-EN
51
CCAR Power/Control Wiring
Refer to name plate on control box door (inside) for
electrical data and wiring diagram.
Figure 19.
Power/control wiring schematic for 20 to 30 ton, R-410A CCAR compressor chillers
#
B
LONGVIEW,
TX
75606-3066
P.
O.
BOX 3066
OF
APP'
D BY:
CHECKED BY:
DRAWN BY:
DATE:
SCALE:
DWG.
SI
ZE
TITLE:
NAPPS JOB NO.
DRAWING NUMBER
SHEET NO.
REV.
TRANE.
W
ITHOUT THE EXPRESS W
RI
TTEN CONSENT OF
OR USED FOR ANY PURPOSE
THI
S MATERI
AL MAY BE REPRODUCED
CONFI
D
ENCE AND NO PORTI
ON OF
MUST BE MAI
NTAI
NED I
N STRI
CT
TRANE,
W
H
ICH I
S
THE PROPERTY OF
THE I
NFORMATI
ON CONTAI
NED HEREON,
IMPORTANT
N
O
I
S
I
V
E
R
E
T
A
D
L
A
E
S
S'
R
E
E
N
I
G
N
E
BY
R410 CCAR COMPRESSOR CHILLERS
POWER/CONTROL WIRING SCHEMATIC
20 - 30 TON COMPRESSOR CHILLER
11
08/03/17
H
M
S
H
M
S
0
3
F
1
F
F2
+5 G
N
D
S
I
+ - G
N
D
R80500013
12
11
11
12
BAR
(CT 1)
(CT 2)
PO
W
E
R
I
N
TBA7
3G
3G
HP1SW
BL
ACK
WH
IT
E
SHI
E
L
D
WH
IT
E
WH
IT
E
LIQ
U
ID S
O
LE
N
O
ID
LLS
1
RELAY M-1
C1
LLS
1
RELAY M-2
RELAY M-4
SPARE
HGS 1
RELAY M-3
SPARE
RELAY M-5
RELAY M-7
FAN 1
C2
RELAY M-6
GND
N
L/L1
BL
ACK
WH
IT
E
SHI
E
L
D
SENSOR M-
1
1
CKT 1 SUC TM
P
AMPS COMP 2
SENSOR M-
6
SENSOR M-
5
AMPS COMP 1
CKT 1
DI
S PSI
SENSOR M-
4
SENSOR M-
3
CKT 1 SUC PSI
CW
OUT
SENSOR M-
2
+5 G
N
D
S
I
+5 G
N
D
S
I
+5 G
N
D
S
I
+5 G
N
D
S
I
+5 G
N
D
S
I
+5 G
N
D
S
I
+5 G
N
D
S
I
+5 G
N
D
S
I
+5 G
N
D
S
I
+5 G
N
D
S
I
DI
GI
TAL
ANAL
OG
DI
GI
TAL
ANAL
OG
DI
GI
TAL
ANAL
OG
DI
GI
TAL
ANAL
OG
DI
GI
TAL
ANAL
OG
DI
GI
TAL
ANAL
OG
DI
GI
TAL
ANAL
OG
DI
GI
TAL
ANAL
OG
DI
GI
TAL
ANAL
OG
DI
GI
TAL
ANAL
OG
WH
IT
E
RED
BLACK & SHI
ELD
DI
GI
TAL
ANAL
OG
+5 G
N
D
S
I
SENSOR M-
1
C
W
IN
DI
GI
TAL
ANAL
OG
T
e
rm
in
a
tio
n
HGS 1
HOT GAS SOL
E
NOI
D
LP
1S
W
TBA1
0
TBA1
1
TBA2
0
RE
D 3
UNIT CONTROLLER
FLOW-Field
SENSOR M-16
REM RUN/STOP
CMP1&2 ENABLE
V+
L
(
OPT
IO
NAL
T
OUCHSCREEN
DAMPER CONTROL
TO KEYPAD / DISPLAY
Com NO NC
(S
hield t
ied at
t
his end)
ETHERNET
+12V
MC
S I
O
R
S
4
8
5
SENSOR 1
2
SENSOR 1
1
SENSOR 1
0
SENSOR 9
SENSOR 8
SENSOR 7
SENSOR 5
SENSOR 6
SENSOR 3
SENSOR 4
SENSOR 1
SENSOR 2
DI-15
DI-16
D
I-13
DI-14
+5
+5
+5
DI
GI
TAL
I
N
PUTS
ANAL
OG OUTS
A-
3
A-
4
A-
1
A-
2
gnd
gnd
-485
+485
SCL
SDA
GND
+12V
KEYPAD L
CD
115v
Vo
lt
a
g
e
Com NO NC
Com NO NC
Com NO NC
Com NO NC
Com NO NC
Com NO NC
Com NO NC
Com NO NC
Com NO NC
19
20
9
8
6
7
TBA6
3D
TBA1
9
17
TBA1
7
TBA1
8
18
TBA1
6
16
TBA1
5
15
5B
C2
Com
p
2
Com
p 1
C1
4
4A
TBA1
TBA2
3A
TBA4
5A
5
3
TB
A
3
TBA24
TBA23
TBA22
TBA21
RELAY M-8
RELAY M-9
RELAY M-10
AL
ARM
FAN 3
7A
8A
CONTACTOR
CONTACTOR
+5
24
23
22
21
SENSOR M-14
OPT PWM
PWR MONITOR
SHI
E
L
D
BL
ACK &
BL
ACK
SHI
E
L
D
WH
IT
E
To Opt
ional E
xp Boar
d
Comm t
o
SI
16 or
eq
WHI
T
E
3
3A
OPTIONAL FIELD
FAN 2
SHIELD
BLACK/
SHI
E
L
D
WH
IT
E
RED
BLACK & SHI
ELD
BL
ACK &
SHIELD
WHITE
120 VAC
FU1
FU2
FU3
21
RED
WHI
T
E
TR1
T3
T2
T1
L3
C1
L2
L1
L3
L2
C2
L1
MOT
O
R
C2 AUX 2
C
CH 2
COMPRESSOR
T3
T1
T2
CCH 1
SENSOR M-13
SENSOR M-15
OPTIONAL
COMPRESSOR
MOT
O
R
2
COM
P
R
L3
L2
L1
PD
B1
DS
W1
DI
S
C
ONNE
C
T
(O
PT
IO
N
AL
)
L1
L3
PW
M
L2
(OPTIONAL)
FU4
F
U5
FU6
GROUND
PAN
EL
SHI
E
L
D
SENSOR M-
1
2
CORE TEM
P
BL
ACK
WH
IT
E
COM
P
R
C1 AUX 1
1
15B
15A
Optional Touc
hs
c
reen
To C
ustomer
Interface or
TO UNI
T
CONNECTOR
-485
+485
SDA
SCL
Gn
d
+12v
3
2
6
4
1
5
7
8
Me
n
u
C
om
m
unic
ations
B
oard or
CONTOLLER
KEYPAD/
L
CD
POWER SOURCE)
ET
HERNET
GND
N
+
1
2
V
GND ?
?
(
O
PT
IO
NAL
T
OUCHSCREEN CONNECT
IO
NS)
or
Ether
net Sw
itch
V-
To U
nit C
ontroller
E
thernet C
onnec
tion
TBA5
Содержание Cold Generator
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