York Millennium YCAS 316 Owner's manual

INSTALLATION, OPERATION, MAINT.
Millennium TM
AIR COOLED SCREW LIQUID CHILLERS
AIR COOLED SCREW HERMETIC
Supersedes: 201.10-NM1(496) Form201.10-NM1(697)
140 - 250 TON MODELS (Standard Efficiency)
215 - 260 TON MODELS (High Efficiency)*
60 HERTZ
STYLE D
200, 230,
460 & 575 Models
With EPROM 031-01714-001 (Standard, Brine & Metric Models, Combined)
27960A
28507A
®
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*During model development, the following models received updated nomenclature:
OLD NEW
YCAS 316 YCAS 216X
YCAS 336 YCAS 236X
YCAS 366 YCAS 266X

2YORK INTERNATIONAL
TABLE OF CONTENTS
General ChillerInformation .............................................................................. 3
Nomenclature.................................................................................................. 4
OperationalLimitations.................................................................................... 6
Physical Data ................................................................................................. 8
YCAS140 -246 Dimensions........................................................................... 10
YCAS 216X - 266X Dimensions ...................................................................... 14
Electrical Data ................................................................................................ 18
YCAS140 - 246ChillerComponents............................................................... 26
YCAS216X - 266XChillerComponents.......................................................... 30
CompressorComponents................................................................................ 34
General ........................................................................................................... 38
Installation ...................................................................................................... 41
YCAS140 -246Weight Distributions .............................................................. 44
YCAS 216X - 266XWeight Distributions ......................................................... 48
YCAS140 - 246WiringDiagrams.................................................................... 52
YCAS 216X -266XWiring Diagrams ............................................................... 62
UnitControlsandOperation ............................................................................ 72
Display Keys................................................................................................... 76
Status Key ...................................................................................................... 83
Entry Key........................................................................................................ 87
ProgramKeys ................................................................................................. 88
Setpoint Keys ................................................................................................. 97
Safeties .......................................................................................................... 106
Print Keys ....................................................................................................... 114
Clock Keys ..................................................................................................... 122
Unit On/Off Switch, System Controls, and Other Controls .............................. 125
YCAS 140 - 246 Fan Control Strategy ............................................................. 131
YCAS 216X - 266X Fan Control Strategy ........................................................ 132
System Startup Checklist ............................................................................... 133
OperatingSequence........................................................................................ 137
Troubleshooting ............................................................................................... 138
TemperatureConversionTable ......................................................................... 144

FORM 201.10-NM1
3
YORK INTERNATIONAL
The140-260MillenniumAirCooledScrewliquidchilleris
completelyassembledwithallinterconnectingrefrigerant
pipingandinternalwiring,readyforfieldinstallation.The
unitispressure-tested,evacuated,andfullychargedwith
Refrigerant-22, and includes an initial oil charge. After
assembly, an operational test is performed with water
flowingthroughthecoolertocheckthateachrefrigeration
circuit operates correctly.
GENERAL CHILLER INFORMATION
The unit structure is heavy gauge, galvanized steel,
coveredwithabaked-onenamel.Baserailsareofformed
doublethickness,paintedplatesteel.Unitsaredesigned
inaccordancewithARI550,NFPA70(NationalElectrical
Code), ASHRAE/ANSI 15 Safety code for mechanical
refrigeration,ASME,andU.L.(200,230,460and575-3-
60 models). Units are rated in accordance with ARI
Standard550.
27960A
28507A
®
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4YORK INTERNATIONAL
UNIT NOMENCLATURE
The model number denotes the following characteristics of the unit:
YCAS140X- 46YD
YORKChiller DesignSeries
AirCooled
Type Start
Y = WYE-Delta
X = Across-the-Line
CompressorDesignSeries
S = Screw
UnitModel VoltageCode:
17 = 200-3-60
Class 28 = 230-3-60
Blank = Standard Efficiency 46 = 460-3-60
X = High Efficiency 58 = 575-3-60

FORM 201.10-NM1
5
YORK INTERNATIONAL
NOMENCLATURE
Engineering Data (stamped on unit nameplate) denotes the following characteristics of the components of the unit:
4M2A3HL6A
2Compressor“W”Chiller RefrigerantCode
Configurationcontaining A = R-22
4 Fans & 8 Coils per Module B = R-134a
1 = 50 Hz, Economized, 1 Module
2 = 60 Hz, Economized, 1 Module
3 = 50 Hz, Economized, 1.5 Module
4 = 60 Hz, Economized, 1.5 Module CondenserFanCode
5 = 50 Hz, Economized, 2 Module 6, 7, A, or B
6 = 60 Hz, Economized, 2 Module
7 = 50 Hz, Economized, 2.5 Module CondenserCode
8 = 60 Hz, Economized, 2.5 Module L = 32" x 83"
9 = 50 Hz, Economized, 3 Module 3 rowdeep coils
10 = 60 Hz, Economized, 3 Module in both systems
M =32" x 83"
4 row deep coils
Gear in System #1 XHS 120 Compressor in System #1
(A, M, F, H, P or S) 3 row deep coils
in System #2
N = 32" x 83"
4 row deep coils
in both systems
Motor in 60 Hz
System#1Compressor Max. KW
0 = 101 Frame, 7" Long N/A
1 = 101 Frame, 8" Long 85 CoolerCode
2 = 101 Frame, 9" Long 105 H = 16"Cooler
3 = 101 Frame, 9.5" Long N/A K = 18" Cooler
4 = 101 Frame, 10" Long 126 N = 20" Cooler
5 = 101Frame,10.75"Long 150
6 = 124 Frame, 9.5" Long (G) 184
7 = 124 Frame, 9.5" Long (K) 219
8 = 124 Frame, 10.75" Long (P) 263 Motor in System #2 Compressor
9 = 124Frame,10.75" Long (M) N/A (See System #1 motor list)
Gear in System #2 XHS 120 Compressor
(A, M, F, H, P or S)

6YORK INTERNATIONAL
OPERATIONAL LIMITATIONS
(English)
LD01087
FIG.1A – COOLERWATERPRESSUREDROP
VOLTAGE LIMITATIONS
Thefollowingvoltagelimitationsareabsolute and opera-
tion beyond these limitations may cause serious dam-
ageto the compressor.
MODELYCAS COOLER CODE
140*, 160* H
140, 160, 170**, 180**, 190** K
170, 180, 190, 216, 216x,
236, 236x, 246, 266x N
* Early 140 and 160 units had H coolers. Newer units have K
coolers.
** Early 170, 180 and 190 units a K cooler. Newer units have N
coolers.
NOTE: GPM limits are for newer coolers.
LEAVING
MODEL WATER COOLER3AIR ON
YCAS TEMPERATURE GPM CONDENSER
60 HZ °F °F
MIN.1MAX. MIN. MAX. MIN. MAX.2
140 40 52 200 722 0 130
160 40 52 200 722 0 130
170 40 52 250 803 0 130
180 40 52 250 803 0 130
190 40 52 250 803 0 130
216 40 52 250 803 0 130
216x 40 52 250 803 0 130
236 40 52 250 803 0 130
236x 40 52 250 803 0 130
246 40 52 250 803 0 130
266x 40 52 250 803 0 130
TEMPERATURES AND FLOWS (English)
140 - 260 TONS
NOTES:
1. Units can be used for brine temperatures down to 35°F by reset-
ting standard controls. For leaving brine temperatures down to
10°F, contact your nearest YORK representative for application
requirements.
2. Operation above 115°F requires the Optional High Ambient Kit.
Contact factory.
3. The evaporator is protected against freeze-up to -20°F with an
electrical heater as standard.
4. Operation below 0°F ambient is not recommended.
VOLTAGES
UNIT POWER MIN. MAX.
200-3-60 180 220
230-3-60 207 253
460-3-60 414 506
575-3-60 517 633

FORM 201.10-NM1
7
YORK INTERNATIONAL
OPERATIONAL LIMITATIONS
(SI)
VOLTAGE LIMITATIONS
Thefollowingvoltagelimitationsareabsolute and opera-
tion beyond these limitations may cause serious dam-
ageto the compressor.
MODELYCAS COOLER CODE
140*, 160* H
140, 160, 170**, 180**, 190** K
170, 180, 190, 216, 216x,
236, 236x, 246, 266x N
* Early 140 and 160 units had H coolers. Newer units have K
coolers.
** Early 170, 180 and 190 units a K cooler. Newer units have N
coolers.
NOTE: L/sec. limits are for newer coolers.
VOLTAGES
UNIT POWER MIN. MAX.
200-3-60 180 220
230-3-60 207 253
460-3-60 414 506
575-3-60 517 633
LEAVING
MODEL WATER COOLER3AIR ON
YCAS TEMPERATURE L/SEC. CONDENSER
60 HZ °C °C
MIN.1MAX. MIN. MAX. MIN. MAX.2
140 4.4 10.0 12.6 45.5 -17.8 54.4
160 4.4 10.0 12.6 45.5 -17.8 54.4
170 4.4 10.0 15.8 50.7 -17.8 54.4
180 4.4 10.0 15.8 50.7 -17.8 54.4
190 4.4 10.0 15.8 50.7 -17.8 54.4
216 4.4 10.0 15.8 50.7 -17.8 54.4
216x 4.4 10.0 15.8 50.7 -17.8 54.4
236 4.4 10.0 15.8 50.7 -17.8 54.4
236x 4.4 10.0 15.8 50.7 -17.8 54.4
246 4.4 10.0 15.8 50.7 -17.8 54.4
266x 4.4 10.0 15.8 50.7 -17.8 54.4
TEMPERATURES AND FLOWS (SI)
492 - 914 kW
NOTES:
1. Units can be used for brine temperatures down to 1.7°C by
resetting standard controls. For leaving brine temperatures down
to -12.2°C, contact your nearest YORK representative for appli-
cation requirements.
2. Operation above 46°C requires the Optional High Ambient Kit.
Contact factory.
3. The evaporator is protected against freeze-up to -29°C with an
electrical heater as standard.
4. Operation below -18°C ambient is not recommended.
FIG.1B – COOLERWATERPRESSUREDROP
LD01309

8YORK INTERNATIONAL
PHYSICAL DATA
(English)
MODEL YCAS 60Hz 140 160 170 180 190 216
NOMINAL TONS 137.7 153.0 163.1 171.5 181.2 215.6
NO. OF REFRIG CIRCUITS 222222
COMPRESSOR Sys. 1 120BA*G 120BM*J 120BF*L 120BF*L 120CP*N 120CP*Q
MODEL XHS Sys. 2 120BA*G 120BM*J 120BM*L 120BF*L 120BH*L 120CH*N
DIAMETER x LENGTH 18" x 8' 18" x 8' 20" x 8' 20" x 8' 20" x 8' 20" x 8'
VOLUME (GAL.) 46 46 54 54 54 54
COOLER
GPM MIN 200 200 250 250 250 250
MAX 722 722 803 803 803 803
CONDENSER Sys. 1 444444
ROWS Sys. 2 444444
FACE AREA (SQ. FT.) 295 295 295 295 295 295
NO. 888888
CONDENSER HP 333333
FANS NO. OF BLADES 333333
AIRFLOW CFM 134,000 134,000 134,000 134,000 134,000 134,000
SHIPPING Al. FIN 14,932 14,932 15,322 15,322 15,322 15,332
WEIGHT Cu. FIN 17,208 17,208 17,598 17,598 17,598 17,598
(LBS.) OPERATING Al. FIN 15,322 15,322 15,722 15,722 15,722 15,722
Cu. FIN 17,598 17,598 17,998 17,998 17,998 17,998
REFRIGERANT CHARGE Sys. 1 208 208 210 210 210 210
(LBS. R-22) Sys. 2 232 232 235 235 235 235
MODEL YCAS 60Hz 216x 236 236x 246 266x
NOMINAL TONS 215.5 230.9 232.8 239.2 259.6
NO. OF REFRIG CIRCUITS 22222
COMPRESSOR Sys. 1 120BH*L 120CP*Q 120CP*N 120CS*Q 120CS*Q
MODEL XHS Sys. 2 120BH*L 120CP*Q 120CP*N 120CS*Q 120CS*Q
DIAMETER x LENGTH 20" x 8' 20" x 8' 20" x 8' 20" x 8' 20" x 8'
VOLUME (GAL.) 54 54 54 54 54
COOLER
GPM MIN 250 250 250 250 250
MAX 803 803 803 803 803
CONDENSER Sys. 1 44444
ROWS Sys. 2 44444
FACE AREA SQ. FT. 392 295 392 295 392
NO. 12 8 12 8 12
CONDENSER HP 33333
FANS NO. OF BLADES 33333
AIRFLOW CFM 208,000 134,000 208,000 134,000 208,000
SHIPPING Al. FIN 19,714 15,332 19,714 15,332 19,714
WEIGHT Cu. FIN 21,980 17,598 21,980 17,598 21,980
(LBS.) OPERATING Al. FIN 22,961 15,722 22,961 15,722 22,961
Cu. FIN 25,227 17,998 25,227 17,998 25,227
REFRIGERANT CHARGE Sys. 1 340 210 340 210 340
(LBS. R-22) Sys. 2 375 235 375 235 375
* = Voltage Code

FORM 201.10-NM1
9
YORK INTERNATIONAL
PHYSICAL DATA
(SI)
MODEL YCAS 60Hz 140 160 170 180 190 216
KW 483.9 537.7 573.2 602.7 636.8 757.7
NO. OF REFRIG CIRCUITS 222222
COMPRESSOR Sys. 1 120BA*G 120BM*J 120BF*L 120BF*L 120CP*N 120CP*Q
MODEL XHS Sys. 2 120BA*G 120BM*J 120BM*L 120BF*L 120BH*L 120CH*N
DIAMETER x LENGTH 437mm x 437 mm x 508 mm x 508 mm x 508 mm x 508 mm x
2438mm 2438mm 2438mm 2438mm 2438mm 2438mm
VOLUME (L) 223 223 250 250 250 250
COOLER
L/SEC. MIN 12.6 12.6 15.8 15.8 15.8 15.8
MAX 45.5 45.5 50.7 50.7 50.7 50.7
CONDENSER Sys. 1 444444
ROWS Sys. 2 444444
FACE AREA (m2)27.4 27.4 27.4 27.4 27.4 27.4
NO. 888888
CONDENSER KW 2.8 2.8 2.8 2.8 2.8 2.8
FANS NO. OF BLADES 666666
AIRFLOW L/sec. 63,239 63,239 63,239 63,239 63,239 63,239
SHIPPING Al. FIN 6673 6673 6950 6950 6950 6950
WEIGHT Cu. FIN 7805 7805 7982 7982 7982 7982
(KG) OPERATING Al. FIN 6950 6950 7131 7131 7131 7131
Cu. FIN 7982 7982 8164 8164 8164 8164
REFRIGERANT CHARGE Sys. 1 94 94 95 95 95 95
(KG R-22) Sys. 2 105 105 107 107 107 107
MODEL YCAS 60Hz 216x 236 236x 246 266x
KW 757.4 811.5 818.2 840.7 912.4
NO. OF REFRIG CIRCUITS 22222
COMPRESSOR Sys. 1 120BH*L 120CP*Q 120CP*N 120CS*Q 120CS*Q
MODEL XHS Sys. 2 120BH*L 120CP*Q 120CP*N 120CS*Q 120CS*Q
DIAMETER x LENGTH 508 mm x 508 mm x 508 mm x 508 mm x 508 mm x
2438 mm 2438 mm 2438 mm 2438 mm 2438 mm
VOLUME (L) 250 250 250 250 250
COOLER
L/SEC. MIN 15.8 15.8 15.8 15.8 15.8
MAX 50.7 50.7 50.7 50.7 50.7
CONDENSER Sys. 1 44444
ROWS Sys. 2 44444
FACE AREA (m2)27.4 27.4 27.4 27.4 27.4
NO. 12 8 12 8 12
CONDENSER KW 2.8 2.8 2.8 2.8 2.8
FANS NO. OF BLADES 33333
AIRFLOW L/sec. 98,162 63,239 98,162 63,239 98,162
SHIPPING Al. FIN 8942 6950 8942 6950 8942
WEIGHT Cu. FIN 9970 7982 9970 7982 9970
(KG) OPERATING Al. FIN 10415 7131 10415 7131 10415
Cu. FIN 11443 8164 11443 8164 11443
REFRIGERANT CHARGE Sys. 1 157 95 157 95 157
(KG R-22) Sys. 2 170 107 170 107 170
* = Voltage Code

10 YORK INTERNATIONAL
YCAS 140-246 DIMENSIONS
(English)
NOTES:
1. Clearances - Recommended YORK clearances for peak performance, reliable operation and maintenance:
Side to wall 8'–0"*; Rear to wall 8'–0"; Control Panel End to wall 5'–0"*; Over the top - No obstructions allowed; Distance between
adjacent units 12'–0", (Walls should be no higher than the unit.)
*No more than one high wall can be higher than the top of the unit. The area within the clearances shown above and area under the unit
must be kept clear of all obstructions or clutter that would impede air flow to the unit. In installations where winter operation is intended
and snow accumulations are expected, additional unit height must be provided to insure air flow.
NOTE: Reduced clearances may be used due to jobsite restrictions or competitive recommendations. The unit will unload to prevent the
condenser pressure and motor current from exceeding the maximum limits and will continue to operate without nuisance high pressure
or motor current cutouts even though the air flow will be restricted at these conditions.
2. Cooler liquid connection sizes (inlet and outlet) 8" victaulic for all models.
3. Dimensions are in inches.
4. Spring isolators (OPTIONAL) will increase overall height of unit.
5. Modules have 1-1/8" of space between to facilitate maintenance.
LD01445(R)
LD01447

FORM 201.10-NM1
11
YORK INTERNATIONAL
YCAS 140-246 DIMENSIONS
(English)
LD01444
LD01446

12 YORK INTERNATIONAL
YCAS 140-246 DIMENSIONS
(SI)
NOTES:
1. Clearances - Recommended YORK clearances for peak performance, reliable operation and maintenance:
Side to wall 2438 mm*; Rear to wall 2438 mm; Control Panel End to wall 1524 mm*; Over the top - No obstructions allowed; Distance
between adjacent units 3658 mm, (Walls should be no higher than the unit.)
*No more than one high wall can be higher than the top of the unit. The area within the clearances shown above and area under the unit
must be kept clear of all obstructions or clutter that would impede air flow to the unit. In installations where winter operation is intended
and snow accumulations are expected, additional unit height must be provided to insure air flow.
NOTE: Reduced clearances may be used due to jobsite restrictions or competitive recommendations. The unit will unload to prevent the
condenser pressure and motor current from exceeding the maximum limits and will continue to operate without nuisance high pressure
or motor current cutouts even though the air flow will be restricted at these conditions.
2. Cooler liquid connection sizes (inlet and outlet) 8" victaulic for all models.
3. Dimensions are in mm.
4. Spring isolators (OPTIONAL) will increase overall height of unit.
5. Modules have 28.6 mm of space between to facilitate maintenance.
LD01441(R)
LD01443

FORM 201.10-NM1
13
YORK INTERNATIONAL
YCAS 140-246 DIMENSIONS
(SI)
LD01440
LD01442

14 YORK INTERNATIONAL
YCAS 216X - 266X DIMENSIONS
(English)
NOTES:
1. Clearances - Recommended YORK clearances for peak performance, reliable operation and maintenance:
Side to wall 8'–0"*; Rear to wall 8'–0"; Control Panel End to wall 5'–0"*; Over the Top - No obstructions allowed; Distance between
adjacent units 12'–0", (Walls should be no higher than the unit.)
*No more than one wall can be higher than the top of the unit. The area within the clearances shown above and area under the unit must
be kept clear of all obstructions or clutter that would impede air flow to the unit. In installations where winter operation is intended and
snow accumulations are expected, additional unit height must be provided to unsure air flow.
NOTE: Reduced clearances may be used due to jobsite restrictions or competitive recommendations. The unit will unload to prevent the
condenser pressure and motor current from exceeding the maximum limits and will continue to operate without nuisance high pressure
or motor current cutouts even though the air flow will be restricted at these conditions.
2. Cooler liquid connection sizes (inlet and outlet) 8" victaulic for all models.
3. Dimensions are in inches.
4. Spring isolators (OPTIONAL) will increase overall height of unit.
5. Modules have 1-1/8" of space between to facilitate maintenance.
LD01455
LD01453(R)

FORM 201.10-NM1
15
YORK INTERNATIONAL
YCAS 216X - 266X DIMENSIONS
(English)
LD01454
LD01454

16 YORK INTERNATIONAL
YCAS 216X - 266X DIMENSIONS
(SI)
LD01451
LD01449(R)
NOTES:
1. Clearances - Recommended YORK clearances for peak performance, reliable operation and maintenance:
Side to wall 2438 mm*; Rear to wall 2438 mm; Control Panel End to wall 1524 mm*; Over the top - No obstructions allowed; Distance
between adjacent units 3658 mm, (Walls should be no higher than the unit.)
*No more than one high wall can be higher than the top of the unit. The area within the clearances shown above and area under the unit
must be kept clear of all obstructions or clutter that would impede air flow to the unit. In installations where winter operation is intended
and snow accumulations are expected, additional unit height must be provided to insure air flow.
NOTE: Reduced clearances may be used due to jobsite restrictions or competitive recommendations. The unit will unload to prevent the
condenser pressure and motor current from exceeding the maximum limits and will continue to operate without nuisance high pressure
or motor current cutouts even though the air flow will be restricted at these conditions.
2. Cooler liquid connection sizes (inlet and outlet) 8" victaulic for all models.
3. Dimensions are in mm.
4. Spring isolators (OPTIONAL) will increase overall height of unit.
5. Modules have 28.6 mm of space between to facilitate maintenance.

FORM 201.10-NM1
17
YORK INTERNATIONAL
YCAS 216X - 266X DIMENSIONS
(SI)
LD01450
LD01448

18 YORK INTERNATIONAL
STYLE SYSTEM #1 FIELD SUPPLIED WIRING
MODEL VOLTS MCA1MIN NF D.E. FU C.B. (LUGS) WIRE RANGE COMPRESSOR FANS
60 Hz DISC SW2MIN.3MAX.4MIN.5MAX.6WYE-DELTA7ACR-LINE7RLA Y LRA X LRA FLA (EA)
200 374 400 450 600 450 600 (2) #6-250 N/A 267 424 1358 10.0
230 337 400 400 500 400 500 (2) #6-250 N/A 231 362 1159 12.0
YCAS140 380 204 200 250 300 250 300 (2) #6-250 N/A 146 216 691 5.2
460 165 200 200 250 200 250 (2) #8-1/0 (1) #6-250 116 181 579 5.0
575 136 200 175 225 175 200 (2) #8-1/0 (1) #6-250 92 145 463 4.9
200 447 600 600 700 600 700 (2) 1/0-500 N/A 325 492 1575 10.0
230 404 400 500 600 500 600 (2) #6-250 N/A 284 462 1479 12.0
YCAS160 380 244 400 300 400 300 400 (2) #6-250 N/A 178 261 835 5.2
460 197 200 250 300 250 300 (2) #6-250 (1) #6-250 141 217 695 5.0
575 161 200 200 250 200 250 (2) #8-1/0 (1) #6-250 113 170 543 4.9
200 509 600 700 800 700 800 (2)1/0-500 N/A 375 587 1879 10.0
230 458 600 600 700 600 700 (2)1/0-500 N/A 328 538 1723 12.0
YCAS170 380 279 400 350 450 350 450 (2) #6-250 N/A 206 316 1013 5.2
460 224 400 300 350 300 350 (2) #6-250 (1) 1/0-500 163 262 838 5.0
575 183 200 225 300 225 250 (2) #8-1/0 (1) #6-250 130 204 655 4.9
200 509 600 700 800 700 800 (2) 1/0-500 N/A 375 587 1879 10.0
230 458 600 600 700 600 700 (2) 1/0-500 N/A 328 538 1723 12.0
YCAS180 380 279 400 350 450 350 450 (2) #6-250 N/A 206 316 1013 5.2
460 224 400 300 350 300 350 (2) #6-250 (1) 1/0-500 163 262 838 5.0
575 183 200 225 300 225 250 (2)#8-1/0 (1) #6-250 130 204 655 4.9
200 570 600 700 800 700 800 (2) 1/0-500 N/A 424 785 2492 10.0
230 508 600 600 800 600 800 (2) 1/0-500 N/A 367 641 2035 12.0
YCAS190 380 311 400 400 500 400 500 (2) #6-250 N/A 232 401 1272 5.2
460 250 400 300 400 300 400 (2) #6-250 (1) 1/0-500 183 331 1051 5.0
575 203 200 225 300 250 300 (2) #6-250 (1) 1/0-500 147 270 857 4.9
380 392 400 500 600 500 600 (2) #6-250 N/A 296 483 1531 5.2
YCAS216 460 314 400 400 500 400 500 (2) #6-250 (1) 1/0-500 235 398 1261 5.0
575 253 400 300 400 300 400 (2) #6-250 (1) 1/0-500 187 311 987 4.9
380 337 400 400 500 400 500 (2) #6-250 N/A 244 316 1013 5.2
YCAS216X 460 272 400 350 450 350 450 (2) #6-250 (1) 1/0-500 193 262 838 5.0
575 224 400 300 350 300 300 (2) #6-250 (1) #6-250 155 204 655 4.9
380 392 400 500 600 500 600 (2) #6-250 N/A 296 483 1531 5.2
YCAS236 460 314 400 400 500 400 500 (2) #6-250 (1) 1/0-500 235 398 1261 5.0
575 253 400 300 400 300 400 (2) #6-250 (1) 1/0-500 187 311 987 4.9
380 397 400 500 600 500 600 (2) #6-250 N/A 292 401 1272 5.2
YCAS236X 460 319 400 400 500 400 500 (2) #6-250 (1) 1/0-500 231 331 1051 5.0
575 260 400 350 400 350 400 (2) #6-250 (1) 1/0-500 184 270 857 4.9
380 414 400 500 700 500 700 (2) 1/0-500 N/A 314 483 1531 5.2
YCAS246 460 332 400 400 500 400 500 (2) #6-250 (1) 1/0-500 249 398 1261 5.0
575 267 400 350 450 350 400 (2) #6-250 (1) 1/0-500 198 311 987 4.9
460 324 400 400 500 400 500 (2) #6-250 (1) 1/0-500 235 398 1261 5.0
YCAS266X 575 263 400 350 400 350 400 (2) #6-250 (1) 1/0-500 187 311 987 4.9
STANDARD DUAL POWER SUPPLY
(Each Power Supply Individually Protected with Field Supplied Branch Circuit Protection)
NOTES for Electrical Data, pages 18 - 25:
1. Minimum circuit ampacity (MCA) is based on 125% of the rated load amps for the largest motor plus 100% of the rated load amps for all
other loads included in the circuit, per N.E.C.Article 430-24. If a Factory Mounted Control Transformer is provided, add the following to the
system #1 MCA values in the YCAS Tables: -17, add 10 amps; -28, add 9 amps; -40, add 5 amps; -46, add 4 amps; -58, add 3 amps.
2. The recommended disconnect switch is based on a minimum of 115% of the summation rated load amps of all the loads included in the
circuit, per N.E.C. 440-12A1.
3. Minimum fuse size is based on 150% of the largest motor RLA plus 100% of the remaining RLA’s (U.L. Standard 1995, Section 36.1).
4. Maximum dual element fuse size is based on 225% maximum plus 100% of the rated load amps for all other loads included in the circuit,
per N.E.C. 440-22.
5. Minimum circuit breaker is 150% maximum plus 100% of rated load amps included in the circuit, per circuit per U.L. 1995 Fig. 36.2.
6. Maximum circuit breaker is based on 225% maximum plus 100% of the rated load amps for all loads included in the circuit, per circuit, per
U.L. 1995 Fig. 36.2.
7. The Incoming Wire Range is the minimum and maximum wire size that can be accommodated by unit wiring lugs. The (1), (2) or (3)
indicated the number of termination points or lugs which are available per phase. Actual wire size and number of wires per phase must be
determined based on ampacity and job requirements using N.E.C. wire sizing information.The above recommendations are based on the
National Electric Code and using copper connectors only. Field wiring must also comply with local codes.
8. A ground lug is provided for each compr. system to accommodate field grounding conductor per N.E.C. Article 250-54. A control circuit
grounding lug is also supplied. Incoming ground wire range is #6 - 350 MCM.
9. The supplied disconnect is a “Disconnecting Means” as defined in N.E.C. 100.B, and is intended for isolating the unit from the available
power supply to perform maintenance and troubleshooting. This disconnect is not intended to be a Load Break Device.

FORM 201.10-NM1
19
YORK INTERNATIONAL
STYLE SYSTEM #2 FIELD SUPPLIED WIRING
MODEL VOLTS MCA1MIN NF D.E. FU C.B. (LUGS) WIRE RANGE COMPRESSOR FANS
60 Hz DISC SW2MIN.3MAX.4MIN.5MAX.6WYE-DELTA7ACR-LINE7RLA Y LRA X LRA FLA (EA)
200 374 400 450 600 450 600 (2) #6-250 N/A 267 424 1358 10.0
230 337 400 400 500 400 500 (2) #6-250 N/A 231 362 1159 12.0
YCAS140 380 204 200 250 300 250 300 (2) #6-250 N/A 146 216 691 5.2
460 165 200 200 250 200 250 (2) #8-1/0 (1) #6-250 116 181 579 5.0
575 136 200 175 225 175 200 (2) #8-1/0 (1) #6-250 92 145 463 4.9
200 447 600 600 700 600 700 (2) 1/0-500 N/A 325 492 1575 10.0
230 404 400 500 600 500 600 (2) #6-250 N/A 284 462 1479 12.0
YCAS160 380 244 400 300 400 300 400 (2) #6-250 N/A 178 261 835 5.2
460 197 200 250 300 250 300 (2) #6-250 (1) #6-250 141 217 695 5.0
575 161 200 200 250 200 250 (2) #8-1/0 (1) #6-250 113 170 543 4.9
200 456 600 600 700 600 700 (2)1/0-500 N/A 332 587 1879 10.0
230 413 400 500 700 500 600 (2)1/0-500 N/A 292 538 1723 12.0
YCAS170 380 250 400 300 400 300 400 (2) #6-250 N/A 183 316 1013 5.2
460 201 200 250 300 250 300 (2) #6-250 (1) 1/0-500 144 262 838 5.0
575 164 200 200 250 200 250 (2) #8-1/0 (1) #6-250 115 204 655 4.9
200 509 600 700 800 700 800 (2) 1/0-500 N/A 375 587 1879 10.0
230 458 600 600 700 600 700 (2) 1/0-500 N/A 328 538 1723 12.0
YCAS180 380 279 400 350 450 350 450 (2) #6-250 N/A 206 316 1013 5.2
460 224 400 300 350 300 350 (2) #6-250 (1) 1/0-500 163 262 838 5.0
575 183 200 225 300 225 250 (2)#8-1/0 (1) #6-250 130 204 655 4.9
200 509 600 700 800 700 800 (2) 1/0-500 N/A 375 587 1879 10.0
230 498 600 600 700 600 700 (2) 1/0-500 N/A 328 538 1723 12.0
YCAS190 380 279 400 350 450 350 450 (2) #6-250 N/A 206 316 1013 5.2
460 224 400 300 350 300 350 (2) #6-250 (1) 1/0-500 163 262 838 5.0
575 183 200 225 300 225 250 (2) #6-250 (1) 1/0-500 130 204 655 4.9
380 313 400 400 500 400 500 (2) #6-250 N/A 233 401 1272 5.2
YCAS216 460 251 400 300 400 300 400 (2) #6-250 (1) 1/0-500 184 331 1051 5.0
575 204 200 250 300 250 300 (2) #6-250 (1) 1/0-500 147 270 857 4.9
380 339 400 500 500 400 500 (2) #6-250 N/A 246 316 1013 5.2
YCAS216X 460 272 400 400 450 350 400 (2) #6-250 (1) 1/0-500 193 262 838 5.0
575 224 400 300 350 300 300 (2) #6-250 (1) #6-250 155 204 655 4.9
380 392 400 500 600 500 600 (2) #6-250 N/A 296 483 1531 5.2
YCAS236 460 314 400 400 500 400 500 (2) #6-250 (1) 1/0-500 235 398 1261 5.0
575 253 400 300 400 300 400 (2) #6-250 (1) 1/0-500 187 311 987 4.9
380 397 400 500 600 500 600 (2) #6-250 N/A 292 401 1272 5.2
YCAS236X 460 319 400 400 500 400 500 (2) #6-250 (1) 1/0-500 231 331 1051 5.0
575 260 400 350 400 350 400 (2) #6-250 (1) 1/0-500 184 270 857 4.9
380 414 400 500 700 500 700 (2) 1/0-500 N/A 314 483 1531 5.2
YCAS246 460 332 400 400 500 400 500 (2) #6-250 (1) 1/0-500 249 398 1261 5.0
575 267 400 350 450 350 400 (2) #6-250 (1) 1/0-500 198 311 987 4.9
460 324 400 400 500 400 500 (2) #6-250 (1) 1/0-500 235 398 1261 5.0
YCAS266X 575 263 400 350 400 350 400 (2) #6-250 (1) 1/0-500 187 311 987 4.9
LEGEND VOLTAGE CODE
ACR-LINE ACROSS THE LINE 17 = 200-3-60
CB CIRCUIT BREAKER 28 = 230-3-60
DE FU DUAL ELEMENT FUSE 40 = 380-3-60
DISC SW DISCONNECT SWITCH 46 = 460-3-60
FACT MOUNT CB FACTORY MOUNTED CIRCUIT BREAKER 58 = 575-3-60
FACT MOUNT FUSE FACTORY MOUNTED FUSES
FLA FULL LOAD AMPS
HZ HERTZ
MAX MAXIMUM
MCA MINIMUM CIRCUIT AMPACITY
MIN MINIMUM
MIN NF MINIMUM NON-FUSED
RLA RUNNING LOAD AMPS
S.P. WIRE SINGLE POINT WIRING
UNIT MTD SERV SW UNIT MOUNTED SERVICE (NON FUSED DISCONNECT SWITCH)
WYE-DELTA WYE-DELTA START
XLRA ACROSS-THE-LINE INRUSH LOCKED ROTOR AMPS
YLRA WYE-DELTA INRUSH LOCKED ROTOR AMPS

20 YORK INTERNATIONAL
OPTIONAL SINGLE POINT POWER SUPPLY
(Single Point Power Protected with Field Supplied Circuit Protection)
STYLE D FIELD SUPPLIED WIRING
MODEL VOLTS MIN NF D.E. FU S.P. WIRE UNIT MOUNTED SERVICE SWITCH
60 Hz MCA1DISC SW2MIN.3MAX.4(LUGS)RANGE RATING2WIRE RANGE7
YCAS140 460 301 400 350 400 (2) #2-600 400 (1) #1-600 or (2) #1-250
575 248 400 300 300 (2) #2-600 400 (1) #1-600 or (2) #1-250
YCAS160 460 357 400 400 450 (2) #2-600 400 (1) #1-600 or (2) #1-250
575 293 400 350 400 (2) #2-600 400 (1) #1-600 or (2) #1-250
YCAS170 460 388 400 450 500 (2) #2-600 400 (1) #1-600 or (2) #1-250
575 318 400 400 400 (2) #2-600 400 (1) #1-600 or (2) #1-250
YCAS180 460 406 800 450 500 (2) #2-600 800 (3) 3/0-500
575 333 400 400 450 (2) #2-600 400 (1) #1-600 or (2) #1-250
YCAS190 460 432 800 500 600 (2) #2-600 800 (3) 3/0-500
575 353 400 400 450 (2) #2-600 400 (1) #1-600 or (2) #1-250
YCAS216 460 518 800 600 700 (2) #2-600 800 (3) 3/0-500
575 420 800 500 600 (2) #2-600 800 (3) 3/0-500
YCAS216X 460 495 600 600 600 (2) #2-600 800 (3) 3/0-500
575 408 600 450 500 (2) #2-600 800 (3) 3/0-500
YCAS236 460 569 800 700 800 (2) #2-600 800 (3) 3/0-500
575 459 800 600 600 (2) #2-600 800 (3) 3/0-500
YCAS236X 460 580 800 700 800 (2) #2-600 800 (3) 3/0-500
575 473 600 600 600 (2) #2-600 800 (3) 3/0-500
YCAS246 460 601 800 700 800 (2) #2-600 800 (3) 3/0-500
575 485 800 600 600 (2) #2-600 800 (3) 3/0-500
YCAS266X 460 589 800 700 800 (2) #2-600 800 (3) 3/0-500
575 479 600 600 600 (2) #2-600 800 (3) 3/0-500
See page 18 for notes.