Trane R Series Installation Operation & Maintenance page 47
Air-cooled helical rotary liquid chillers
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Tab. IV-08 Unit electrical data for standard efficiency at all ambient operation
# of Power
Rated
Conns (1)
Unit Size
Voltage
230/60/3
1
RTAC 140
380/60/3
1
440/60/3
1
230/60/3
1
RTAC 155
380/60/3
1
440/60/3
1
230/60/3
1
RTAC 170
380/60/3
1
440/60/3
1
230/60/3
1
RTAC 185
380/60/3
1
440/60/3
1
230/60/3
1
RTAC 200
380/60/3
1
440/60/3
1
230/60/3
1
RTAC 225
380/60/3
1
440/60/3
1
230/60/3
1
RTAC 250
380/60/3
1
440/60/3
1
230/60/3
2
RTAC 275
380/60/3
2
440/60/3
2
230/60/3
2
RTAC 300
380/60/3
2
440/60/3
2
230/60/3
2
RTAC 350
380/60/3
2
440/60/3
2
Notes:
1. As standard, all units have single point power connection. Optional dual point power connections are available.
2. Max Fuse or HACR type breaker = 225 percent of the largest compressor RLA plus 100 percent of the second compressor RLA, plus the sum of the condenser fan
FLA per NEC 440-22.
Use FLA per circuit, NOT FLA for the entire unit).
3. MCA - Minimum Circuit Ampacity - 125 percent of largest compressor RLA plus 100 percent of the second compressor RLA plus the sum of the condenser fans
FLAs per NEC 440-33.
4. RECOMMENDED TIME DELAY OR DUAL ELEMENT (RDE) FUSE SIZE: 150 percent of the largest compressor RLA plus 100 percent of the second compressor
RLA and the sum of the condenser
fan FLAs.
5. RLA - Rated Load Amps - rated in accordance with UL Standard 1995.
6. Local codes may take precedence.
7. Control kW includes operational controls only. Does not include evaporator heaters.
8. XLRA - Locked Rotor Amps - based on full winding (x-line) start units. YLRA for wye-delta starters is ~1/3 of LRA of x-line units.
9. VOLTAGE UTILIZATION RANGE:
Rated Voltage
Utilization Range
230/60/3
380/60/3
440/60/3
10. A separate 115/60/1, 20 amp or 220/50/1, 15 amp customer provided power connection is needed to power the evaporator heaters (1640 watts).
11. If factory circuit breakers are supplied with the chiller, then these values represent Maximum Overcurrent Protection (MOP).
12. When recommended option with circuit breaker, we are providing two circuit breakers (one per circuit) for feeding single point and double point.
RTAC-SVX002A-EN
Installation Electrical
Unit Wiring
Max. fuse HACR
Rec. Time rec.
Breaker or
delay or RDE(4)
MCA (3)
MOP(11) Ckt1/Ckt2
Ckt1/Ckt2
Ckt1/Ckt2
581
800
348
450
288
400
641
800
380
500
317
450
691
800
413
500
341
450
770
1000
460
600
380
500
834
1000
499
700
412
500
920
1200
551
700
454
600
989
1200
594
800
489
600
681/459
800/700
800/600
413/275
500/450
500/350
341/227
450/350
400/300
834/459
1000/700
1000/600
499/275
700/450
600/350
412/227
500/350
500/300
989/459
1200/700
1200/600
594/275
800/450
700/350
490/227
600/350
600/300
208-254
342-418
414-506
Compressor (Each)
RLA (5)
Ckt1/Ckt2
Qty.
700
2
235-235
400
2
142-142
350
2
118-118
800
2
278-235
450
2
168-142
400
2
139-118
800
2
278-278
500
2
168-168
400
2
139-139
1000
2
336-278
600
2
203-168
450
2
168-139
1000
2
336-336
600
2
203-203
500
2
168-168
1200
2
399-336
700
2
242-203
600
2
200-168
1200
2
399-399
700
2
242-242
600
2
200-200
3
278-278/336
3
168-168/203
3
139-139/168
3
336-336/336
3
203-203/203
3
168-168/168
3
399-399/336
3
242-242/203
3
200-200/168
Motor Data
XLRA (8)
YLRA (8)
Qty.
Ckt1/Ckt2
Ckt1/Ckt2
Ckt1/Ckt2
NA
427-427
8
801-801
260-260
8
652-652
212-212
8
NA
506-571
9
973-801
316-260
9
774-652
252-212
9
NA
506-506
10
973-973
316-316
10
774-774
252-252
10
NA
571-506
11
1060-973
345-316
11
878-774
285-252
11
NA
571-571
12
1060-1060
345-345
12
878-878
285-285
12
NA
691-571
13
1306-1060
424-345
13
1065-878
346-285
13
NA
691-691
14
1306-1306
424-424
14
1065-1065
346-346
14
NA
506-506/571
10/6
973-973/1060
316-316/345
10/6
774-774/878
252-252/285
10/6
NA
571-571/571
12/6
1060-1060/1060
345-345/345
12/6
878-878/878
285-285/285
12/6
NA
691-691/571
14/6
1306-1306/1060
424-424/345
14/6
1065-1065/973
346-346/285
14/6
Fans (Each)
Control
kW
FLA
kW (7)
0,75
4,6
0.83
0,75
2,7
0.83
0,75
2,2
0.83
0,75
4,6
0.83
0,75
2,7
0.83
0,75
2,2
0.83
0,75
4,6
0.83
0,75
2,7
0.83
0,75
2,2
0.83
0,75
4,6
0.83
0,75
2,7
0.83
0,75
2,2
0.83
0,75
4,6
0.83
0,75
2,7
0.83
0,75
2,2
0.83
0,75
4,6
0.83
0,75
2,7
0.83
0,75
2,2
0.83
0,75
4,6
0.83
0,75
2,7
0.83
0,75
2,2
0.83
0,75
4,6
1.2
0,75
2,7
1.2
0,75
2,2
1.2
0,75
4,6
1.2
0,75
2,7
1.2
0,75
2,2
1.2
0,75
4,6
1.2
0,75
2,7
1.2
0,75
2,2
1.2
47
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