York MILLENNIUM 28971AR User Manual
Page 2
YORK INTERNATIONAL
2
NOMENCLATURE
The Model Number denotes the following characteristics of the unit:
YORK Chiller
YC = YORK Chiller
Air-Cooled
Compressor Type
S = Screw
Nominal Capacity (tons)
Unit Designator
S = Standard Unit
E = High Efficiency
H = High Static Fans
Design Series
Type Start
Y = Star (WYE)-Delta
X = Across-the-Line
Voltage Code
17 = 200-3-60
28 = 230-3-60
40 = 380-3-60
46 = 460-3-60
58 = 575-3-60
Refrigerant
C = R-22
YC
A
S
0140
E
C
17
Y
F
TABLE OF CONTENTS
Introduction .......................................................................................................... 3
Specifications ....................................................................................................... 4
Accessories and Options .................................................................................... 7
Temperatures and Flows .................................................................................... 10
Water Pressure Drop .......................................................................................... 12
Ratings ............................................................................................................... 14
Physical Data ...................................................................................................... 36
Dimensions ......................................................................................................... 40
Operating Weights – Aluminum Fin Coils ........................................................... 72
Isolator Selection – Aluminum Fin Coils .............................................................. 73
Operating Weights – Copper Fin Coils ................................................................ 74
Isolator Selection – Copper Fin Coils .................................................................. 75
Isolator Details .................................................................................................... 76
Electrical Data ..................................................................................................... 78
Electrical Notes ................................................................................................... 88
Power Connection Options ................................................................................. 90
Typical Control Wiring – 2-Compressor Units ..................................................... 94
Application Data .................................................................................................. 96
Guide Specifications ........................................................................................... 97