Trane R Series Installation Operation & Maintenance page 58

Helical rotary liquid chillers. 175-450 ton units (60 hz) 125-450 ton units (50 hz)
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Table 13
Wire Selection Chart for Starter Panels
Min.
Supply Leads for All Starters (0 - 2000 Volts)
Wire
Size
Copper
1 Conduit
0
75
C
3 Wire
8
40
6
52
4
68
3
60
2
92
1
104
0
120
00
140
000
160
0000
184
250
204
300
228
350
248
400
268
500
304
Conductors to the starter and motor connected in parallel (electrically joined at both ends to form a single conductor)
must be sized 0 (1/0) or larger per NEC 310-4. Each phase must be equally represented in each conduit.
58
Installation Electrical
Electrical Panel Power Supply
Power supply wiring instructions for the starter/control panel are:
1. Run line voltage wiring in conduit to access opening(s) on starter/control
panel or pull-box. See CTV-EB-93 for wire sizing and selection information
and refer to
Table 13
locations. Always refer to submittal information for your actual unit speci-
fications.
1 Conduit
1 Conduit
6 Wire
9 Wire
*
*
*
*
*
*
*
*
*
*
*
*
192
252
224
294
256
336
294
386
326
428
356
479
397
521
429
563
486
638
that show typical electrical connection sizes and
2
2
Conduits
Conduits
6 Wire
12 Wire
*
*
*
*
*
*
*
*
*
*
*
*
360
384
420
448
480
512
552
589
612
653
684
730
744
794
804
858
912
973
3
4
Conduits
Conduits
9 Wire
12 Wire
*
*
*
*
*
*
*
*
*
*
*
*
360
480
420
560
480
640
552
736
612
816
684
912
744
992
804
1072
912
1216
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