York YCAS Series Wiring Diagram page 8

OPTIONAL SINGLE-POINT POWER SUPPLY WITH INDIVIDUAL SYSTEM CIRCUIT BREAKERS –
(One Field Provided Power Supply Circuit to the chiller. Field connections to Factory Provided Terminal Block (standard) or Non-Fused Disconnect (option).
Chiller
Model
Volts
MRA
1
YCAS
(MCA) Disc Sw.
0373 380 296
0403 380 321
0453 380 375
0503 380 430
0543 380 387
0573 380 455
0623 380 493
0653 380 464
See page 4 for Electrical Data footnotes.
8
ELECTRICAL DATA (CONT'D)
LD05549
2 COMPRESSOR UNITS
Individual System Circuit Breakers in each Motor Control Center
Field Provided Power Supply
Min. NF Over-Current Protection
2, 9 Min. 3, 5 Max.
400 300 350
400 350 400
400 400 450
600 450 500
400 400 450
600 500 500
600 500 600
600 500 500
OPTIONAL SINGLE-POINT POWER SUPPLY
CONNECTION AND INDIVIDUAL SYSTEM CIRCUIT
BREAKERS
Suitable for:
Y - ∆ Start and
Across-The-Line-Start
One fi eld provided power supply circuit to the unit.
Field con nec tions to factory pro vid ed Non-Fused
Dis con nect Switch (Opt), or Terminal Block (Opt).
Factory con nec tions to Circuit Breakers on Ter mi nal
Blocks in each of the two Power Panels.
See page 4 for notes.
)
10
FIELD-SUPPLIED WIRING
Factory Provided (Lugs) Wire Range
13
Standard
4, 6 Terminal Block
2/0 - 500
(2) 1/0 - 300
(2) 1/0 - 300
(2) 2/0 - 500
(2) 1/0 - 300
(2) 2/0 - 500
(2) 2/0 - 500
(2) 2/0 - 500
FORM 201.19-W3 (1104)
7
Optional NF
Disc. Switch
(2) 3/0-250
(2) 3/0-250
(2) 3/0-250
(2) 250-500
(2) 3/0-250
(2) 250-500
(2) 250-500
(2) 250-500
YORK INTERNATIONAL