Trane Cold Generator, Installation, Operation And Maintenance Manual, Page: 44 / 68

Electrical Schematics
44 CG-SVX038A-EN
Figure 12. Control panel layout for 20 to 30 ton, 460V, R-410A CGWR water-cooled chillers
#
B
P.
O.
BOX 3066
LONGVIEW, TX 75606-3066
OF
APP'D BY:
CHECKED BY:
DRAWN BY:
DATE: SCALE:
DW
G.
SI
ZE
TITLE:
NAPPS JOB NO.
DRAWING NUMBER
S
HEET 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
DENCE AND NO PORTI
ON OF
MUST BE MAI
NTAI
NED I
N STRI
CT
TRANE,
W
H
IC
H
IS
T
H
E
P
R
O
P
E
R
T
Y
O
F
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
EB
Y
CGWR SCROLL 410A
WATER-COOLED CHILLER
CONTROL PANEL LAYOUT
20 - 30 TON WATER-COOLED CHILLER 460V
N
O
I
T
C
U
D
O
R
P
1
2
0
0
0
5
0
8
R
11
8/11/17 NA
SMH
1
CL
ASS
CC
/
1
1
2
600
VO
LTS
10
0 -
5
5
6 4
600
DESI
G
N
A
T
IO
N
FU
1
, FU
2
FU
3
AM
P
S
/
2
PRI
M
A
RY
K
L
DR1
LITTE
LFUSE
KL
DR3
T
R
A
N
S
F
ORM
ER
SECON
D
ARY
/
2
1
CC
3
/
1
2
TR
AN
SFO
R
M
ER
FU
SE SCH
E
D
U
LE
FU
SE TYP
E
LITTE
LFUSE
T
R
A
N
S
F
ORM
ER
LO
C
A
TIO
N
FO
R 460V
U
N
IT
S
1 - CPS On/Off
POWER DISTRIBUTION BLOCK
PDB1
208,240,480/120 VAC 250 VA T
R
AN
SF
O
R
ME
R
TR1
COMPRESSOR CO
N
T
A
CTORS
TR1 SECO
N
D
A
R
Y CIRCUIT FUSE - KLDR OR EQ
TR1 PRIMA
R
Y CIRCUIT FUSES - KLDR OR EQ
DISCONNECT SWITCH
FU1, FU2
FU3
DSW1
C1-C2
LEGEND
UNIT
C
ONT
R
O
LLE
R
UC
COMMU
N
ICA
TIO
N
S MO
DU
LE
CO
M
CU
RRENT TRA
N
SF
O
RMER MODULES
CT1-
CT2
120/24 VAC TRANSFORMER FOR WRV
TR3
TR1
C1
GND
C2
FU1,2
DSW1
*
PDB1
CT1
CT2
FUSE
SCHEDULE
FU3
9 9
2
14
3
2
14
3
7
56
8
7
56
8
11
10
12
13
11
10
12
13
14
15
17
16
14
15
17
2
2
6
1
22
19
18
21
20
19
18
21
20
24
23
24
23
1
2
BAR
2 - CKT1 Enable
SW
TBA
UC
TR3
*
UNI
T CONTROLLER
115v
RELAY M -8
RELAY M -9
Voltage
RELAY M -7
RELAY M -3
RELAY M -6
RELAY M -5
RELAY M -4
RELAY M -1
RELAY M -2
RELA Y M- 10
PWM
*
COM
*
FU4-6
*
* * * *
3A
*
TBC
3 4 1 2
3 4 1 2
GROUND LUG TE
RMI
N
AL BLOCK
TBA GND
TOOGLE SWI
T
CH
SW
TERMI
NAL BLOCK FOR WATER REGULATI
NG VALVE
*
TBC
PWM
*
DIGITA
L POWER MONITOR
SMH
IT
E
M
S M
A
RKE
D W
ITH * ARE
OPTI
ONAL
AND ARE
NOT ON ALL UNI
T
S
WRV
TBA
PWM CI
RCUI
T FUSE
S - KTK OR E
Q
F
U
4,
5,
6
0