York YCAS0130EC Manual page 10

Air-cooled screw liquid chillers
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OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION – 2 COMPRESSOR UNITS
(One Field Provided Power Supply Circuit to the Chiller. Field connections to Factory Provided Terminal Block (Standard) or Non-Fused Disconnect (option).
CHILLER
FIELD PROVIDED POWER SUPPLY
MODEL
VOLTS
YCAS
MCA
1
DISC SW
460
273
0130EC
575
217
460
293
0140EC
575
234
460
307
0150EC
575
246
460
320
0160EC
575
257
460
335
0170EC
575
268
460
347
0180EC
575
277
460
375
0200EC
575
299
460
393
0210EC
575
313
460
407
0230EC
575
324
See page 4 for Electrical Data footnotes.
10
ELECTRICAL DATA (CONT'D)
LD05550
No Internal Branch Circuit Protection (Breakers) per Motor Control Center
MIN NF
OVER-CURRENT PROTECTION
MIN.
MAX.
2, 9
3, 5
400
300
350
250
250
300
400
350
400
250
300
300
400
350
400
400
300
300
400
400
400
400
300
350
400
400
450
400
300
350
400
400
450
400
350
350
400
450
500
400
350
400
600
450
500
400
350
400
600
450
500
400
400
450
OPTIONAL SINGLE-POINT POWER SUPPLY
CONNECTION WITH FIELD SUPPLIED CIRCUIT
PROTECTION
Suitable for:
Y - ∆ Start and
Across-The-Line-Start
One fi eld provided power supply circuit to the unit.
Field con nec tions to fac to ry pro vid ed Non-Fused
Dis con nect Switch (Opt), or Ter mi nal Block (Opt).
Factory con nec tions to Terminal Blocks in each of the
two Pow er Pan els.
See page 4 for notes.
FIELD-SUPPLIED WIRING
FACTORY PROVIDED (LUGS) WIRE RANGE
13
STANDARD
TERMINAL BLOCK
4, 6
# 1 - 500
# 1 - 500
(2) # 2 - 300
# 1 - 500
(2) # 2 - 300
# 1 - 500
(2) # 2 - 300
# 1 - 500
(2) # 2 - 300
# 1 - 500
(2) # 2 - 300
(2) # 2 - 300
(2) # 1 - 500
(2) # 2 - 300
(2) # 1 - 500
(2) # 2 - 300
(2) # 1 - 500
(2) # 2 - 300
FORM 201.19-W1 (304)
)
10
7
OPTIONAL NF
DISC. SWITCH
(2) 3/0-250
# 6 - 350
(2) 3/0-250
# 6 - 350
(2) 3/0-250
(2) 3/0-250
(2) 3/0-250
(2) 3/0-250
(2) 3/0-250
(2) 3/0-250
(2) 3/0-250
(2) 3/0-250
(2) 3/0-250
(2) 3/0-250
(2) 250-500
(2) 3/0-250
(2) 250-500
(2) 3/0-250
YORK INTERNATIONAL

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