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Carrier ComfortLink 30HXC106 Installation Instructions Manual page 26

Fluid-cooled and condenserless chillers
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UNIT VOLTAGE
Supplied
UNIT
V-Hz
30HXC
(3 Ph)
Min Max
230-60
207
208/230-60
187
460-60
414
076
575-60
518
380-60
342
380/415-50
342
230-50
207
230-60
207
208/230-60
187
460-60
414
086
575-60
518
380-60
342
380/415-50
342
230-50
207
230-60
207
208/230-60
187
460-60
414
096
575-60
518
380-60
342
380/415-50
342
230-50
207
230-60
207
208/230-60
187
460-60
414
106
575-60
518
380-60
342
380/415-50
342
230-50
207
230-60
207
208/230-60
187
460-60
414
116
575-60
518
380-60
342
380/415-50
342
230-50
207
230-60
207
208/230-60
176
460-60
414
126
575-60
518
380-60
342
380/415-50
342
230-50
207
230-60
207
208/230-60
187
460-60
414
136
575-60
518
380-60
342
380/415-50
342
230-50
207
230-60
207
208/230-60
187
460-60
414
146
575-60
518
380-60
342
380/415-50
342
230-50
207
FLA
— Full Load Amps
ICF
— Maximum Instantaneous Current Flow during start-up (the
point in the starting sequence where the sum of the LRA
for the start-up compressor, plus the total RLA for all run-
ning compressors, plus the total FLA for all running fan
motors is at a maximum)
LRA
— Locked Rotor Amps
— Minimum Circuit Ampacity (for wire sizing)
MCA
MOCP — Maximum Overcurrent Protection
RLA
— Rated Load Amps
WD
— Wye-Delta Start
XL
— Across-the-Line Start
*All units have one MCA, MOCP and fuse size value. All units require
one power supply.
†Wye-delta start is standard, not available in across-the-line start.
Table 4A — Unit Electrical Data, 30HXC Units
Power
No. of
Supply
Power Supply
Qty
Conductors
Req'd
Req'd
253
1
3
253
1
3
506
1
3
633
1
3
418
1
3
440
1
3
253
1
3
253
1
3
253
1
3
506
1
3
633
1
3
418
1
3
440
1
3
253
1
3
253
1
3
253
1
3
506
1
3
633
1
3
418
1
3
440
1
3
253
1
3
253
1
3
253
1
3
506
1
3
633
1
3
418
1
3
440
1
3
253
1
3
253
1
3
253
1
3
506
1
3
633
1
3
418
1
3
440
1
3
253
1
3
253
1
3
253
1
3
506
1
3
633
1
3
418
1
3
440
1
3
253
1
3
253
1
3
253
1
6
506
1
3
633
1
3
418
1
3
440
1
3
253
1
6
253
1
6
253
1
6
506
1
3
633
1
3
418
1
3
440
1
3
253
1
6
LEGEND
POWER CIRCUIT*
ICF
MCA
MOCP
XL
WD
198.7
250
297.3
220.7
300
307.1
99.7
125
374.3 148.3
79.7
110
299.4 118.4
120.8
150
418.7 168.7
125.6
175
399.8 164.8
207.2
250
266.1
221.7
300
297.3
246.4
350
307.1
111.3
150
374.3 148.3
88.9
125
299.4 118.4
134.8
175
418.7 168.7
140.4
200
478.8 189.8
231.9
300
305.1
251.3
350
344.3
279.2
400
354.1
126.2
175
449.3 172.3
100.8
150
359.4 137.4
152.7
225
501.7 194.7
157.9
225
561.8 215.8
260.7
350
347.1
285.6
400
395.3
317.4
450
405.1
143.3
200
529.3 197.3
114.5
175
423.4 158.4
173.6
250
589.7 222.7
178.1
250
660.8 246.8
294.2
450
397.1
304.1
450
413.7
337.9
500
425.6
152.6
225
538.6 206.6
121.9
175
430.8 165.8
184.8
250
600.9 233.9
190.0
250
672.7 258.7
313.9
450
416.8
327.7
450
437.4
364.2
400
451.9
164.5
225
550.5 218.5
131.4
175
440.3 175.3
199.1
250
615.2 248.2
204.0
300
686.7 272.7
337.0
450
439.9
366.7
500
497.4
407.4
600
511.9
183.8
250
645.5 248.5
147.1
200
536.3 199.3
222.8
300
720.2 282.2
230.2
300
796.7 307.7
380.3
500
495.9
394.1
500
524.9
437.9
600
542.4
197.5
250
659.2 262.2
158.1
225
547.3 210.3
239.5
350
736.9 298.9
246.3
350
812.8 323.8
407.1
600
522.7
NOTES:
1. Each main power source must be supplied from a field-supplied fused
electrical service with a (factory- or field-installed) disconnect located
in sight from the unit.
2. Control circuit power must be supplied from a separate source
through a field-supplied disconnect (except for 380/415-50 units). The
control circuit accessory transformer may be applied to power from
the main unit power supply.
3. Maximum incoming wire size for each terminal block is 500 kcmil.
4. Maximum allowable phase imbalance is: voltage, 2%; amps, 5%.
5. Use copper conductors only.
6. The MOCP is calculated as follows:
MOCP = (2.25) (largest RLA) + the sum of the other RLAs. Size the
fuse one size down from the result. The RLAs are listed on the unit
nameplate.
The recommended fuse size in amps (RFA) is calculated as follows:
RFA = (1.50) (largest RLA) + the sum of the other RLAs. Size the
fuse one size up from the result. The RLAs are listed on the unit
nameplate.
#
CONTROL CIRCUIT
Recommended
V-Hz
Fuse Size
(Single Ph)
225
115-60
250
115-60
125
115-60
90
115-60
150
230-60
150
230-50
250
230-50
250
115-60
300
115-60
125
115-60
100
115-60
175
230-60
175
230-50
300
230-50
300
115-60
350
115-60
150
115-60
125
115.60
175
230-60
200
230-50
300
230-50
350
115-60
400
115-60
175
115-60
150
115-60
200
230-60
225
230-50
350
230-50
350
115-60
400
115-60
175
115-60
150
115-60
225
230-60
225
230-50
400
230-50
400
115-60
450
115-60
200
115-60
150
115-60
225
230-60
250
230-50
400
230-50
450
115-60
500
115-60
225
115-60
175
115-60
300
230-60
300
230-50
450
230-50
450
115-60
500
115-60
225
115-60
200
115-60
300
230-60
300
230-50
500
230-50
Supplied
MCA
and
Min Max
MOCP
104
127
15
104
127
15
104
127
15
104
127
15
207
254
15
198
254
15
207
254
15
104
127
15
104
127
15
104
127
15
104
127
15
207
254
15
198
254
15
207
254
15
104
127
15
104
127
15
104
127
15
104
127
15
207
254
15
198
254
15
207
254
15
104
127
15
104
127
15
104
127
15
104
127
15
207
254
15
198
254
15
207
254
15
104
127
15
104
127
15
104
127
15
104
127
15
207
254
15
198
254
15
207
254
15
104
127
15
104
127
15
104
127
15
104
127
15
207
254
15
198
254
15
207
254
15
104
127
15
104
127
15
104
127
15
104
127
15
207
254
15
198
254
15
207
254
15
104
127
15
104
127
15
104
127
15
104
127
15
207
254
15
198
254
15
207
254
15

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