Trane Cold Generator, Installation, Operation And Maintenance Manual, Page: 45 / 68

Electrical Schematics
CG-SVX038A-EN 45
Figure 13. Control panel layout for 20 to 30 ton, 575V, 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
E
BY
SCROLL 410A
WATER-COOLED CHILLER
CONTROL PANEL LAYOUT
20-30 TON WATER-COOLED CHI
LLER 575V
N
O
I
T
C
U
D
O
R
P
2
2
0
0
0
5
0
8
R
11
10/25/2011 1:1
PMK
600
DE
SI
G
N
A
TI
ON
FU
1,
FU
2
FU
3
AM
PS
/
4
PRI
M
ARY
K
L
D
R1
LI
T
T
ELF
U
S
E
KL
DR3
T
R
ANSFORM
E
R
SE
C
O
N
D
ARY
/
2
1
CC
3
/
1
2
T
R
ANSFORM
E
R FU
SE
SC
H
E
DU
L
E
FU
SE
T
Y
PE
LI
T
T
ELF
U
S
E
T
R
ANSFORM
E
R
LO
CA
T
IO
N
1
CLA
S
S
CC
/
1
1
4
600
VOL
T
S
1
0
0-5564A
FO
R
575V U
N
IT
S
GND
TE
RMI
N
AL BLOCK
TBA
POWER DISTRIBUTION BLOCK
PDB1
600 VAC 250 VA TRAN
S
FORMER
TR1
COMPRESSOR CONTACTORS TR1 SECONDARY CIRCUIT FUSE - KLDR OR EQ TR1 PRIMARY CIRCUIT FUSES - KLDR OR EQ DISCONNECT SWITCH
FU1, FU2
FU3
DSW1
C1-C2
LEGEND
UNIT CONTROLLER
UC
COMMUNICATIONS MODULE
COM
CURRENT TRANSFORMER MODULES
CT1-CT2
120/24 VAC TRANSFORMER FOR WRV
TR3
ITEMS MARKED WITH * ARE OPTIONAL
AND ARE NOT ON ALL UNITS
TR1
2 1 4 3
TBC
*
2 1 4 3
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
GROUND LUG
1
2
2 - CKT1 Enable
SW
TBA
UC
TR3
*
UNIT 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
*
* * * *
PWM
*
DIGITAL POWER MONITOR TERMI
NAL BLOCK FOR WATER REGULATI
NG VALVE
TBC
TOOGLE SWI
T
CH
SW
1 - CPS On/Off
*
TBA
PWM CI
RCUI
T FUSE
S - KTK OR E
Q
F
U
4,
5,
6
WRV
TBC
0