Related Manuals for York MILLENNIUM YCAS0250
Summary of Contents for York MILLENNIUM YCAS0250
- Page 1 MILLENNIUM AIR COOLED SCREW LIQUID CHILLERS MODELS YCAS STYLE ‘F’ WIRING DIAGRAM Supersedes: Nothing Form 201.18-W3 (899) MODELS YCAS0250 THROUGH YCAS0330 28971AR 200, 230, 380, 460, & 575 Models...
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Page 2: Table Of Contents
Be careful not to contact high voltage connections when installing or operating this equipment. LOW VOLTAGE DO NOT be misled by the term “low voltage”. Voltages as low as 50 volts may cause death. YORK INTERNATIONAL... -
Page 3: Nomenclature
FORM 201.18-W3 NOMENCLATURE The Model Number denotes the following characteristics of the unit: 0140 YORK Chiller Design Series YC = YORK Chiller Type Start Y = Star (WYE)-Delta Air-Cooled X = Across-the-Line Compressor Type S = Screw Voltage Code 17 = 200-3-60... -
Page 4: 60 Hz
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. Maximum circuit breaker rating = (2.25 x largest compressor RLA) + other compressor RLAs + ( # fans x each fan motor FLA). YORK INTERNATIONAL... - Page 5 11. Consult factory for Electrical Data on units equipped with “High Static Fan” Option. High Static Fans are 3.8 kW each. 12. FLA for “Low Noise Fan” motors: 200V = 8.0A, 230V = 7.8A, 380V = 4.4A, 460V = 3.6A, 575V = 2.9A. 13. Group Rated breaker must be HACR type for cUL Machines. YORK INTERNATIONAL...
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Page 6: 50 Hz
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. Maximum circuit breaker rating = (2.25 x largest compressor RLA) + other compressor RLAs + ( # fans x each fan motor FLA). YORK INTERNATIONAL... - Page 7 11. Consult factory for Electrical Data on units equipped with “High Static Fan” Option. High Static Fans are 3.5 kW each. 12. FLA for “Low Noise Fan” motors is 4.1 A. YORK INTERNATIONAL...
- Page 8 -40 = 380-3-60 MAXIMUM -46 = 460-3-60 MINIMUM CIRCUIT AMPACITY -58 = 575-3-60 MINIMUM MIN NF MINIMUM NON-FUSED RUNNING LOAD AMPS S.P. WIRE SINGLE-POINT WIRING Y-∆ WYE-DELTA START X-LRA ACROSS-THE-LINE INRUSH LOCKED ROTOR AMPS Y-LRA WYE-DELTA INRUSH LOCKED ROTOR AMPS YORK INTERNATIONAL...
- Page 9 15.2 –– —— —— 15.2 CONTROL POWER SUPPLY (UNITS WITHOUT STANDARD CONTROL CIRCUIT TRANSFORMER) CONTROL MAX DUAL NON-FUSED NO. OF POWER (MAX LOAD ELEMENT DISCONNECT COMPRESSORS SUPPLY CURRENT) FUSE SIZE SWITCH SIZE (Non-CE 50/60Hz) 115V-1Ø 115V-1Ø (CE 50Hz) YORK INTERNATIONAL...
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Page 10: Power Wiring Possibilities
MULTIPLE POINT WITH SEPARATE SYSTEM CIRCUIT BREAKERS DEF or CONVENTIONAL TYPE CB SUPPLY #2 SUPPLY #1 LD04364 MULTIPLE POINT NON-FUSED DISCONNECTS WITH SEPARATE SYSTEM TERMINAL BLOCKS (SUITABLE FOR ACROSS-THE-LINE START ONLY) Supply #2 DEF or HACR TYPE CB Supply #1 LD04365 YORK INTERNATIONAL... - Page 11 POWER WIRING POSSIBILITIES MULTIPLE POINT NON-FUSED DISCONNECTS WITH SEPARATE SYSTEM CIRCUIT BREAKERS Supply #2 DEF or CONVENTIONAL Supply #1 LD04366 SINGLE POINT WITH NON-FUSED DISCONNECT SWITCH & SYSTEM CIRCUIT BREAKERS Unit Supply DEF or CONVENTIONAL TYPE CB LD04367 YORK INTERNATIONAL...
- Page 12 POWER WIRING POSSIBILITIES SINGLE POINT WITH SEPARATE SYSTEM CIRCUIT BREAKERS Unit Supply DEF or CONVENTIONAL TYPE CB LD04368 MULTIPLE POINT WITH SEPARATE SYSTEM TERMINAL BLOCKS (SUITABLE FOR ACROSS-THE-LINE START ONLY) Supply #2 DEF or HACR TYPE CB Supply #1 LD04369 YORK INTERNATIONAL...
- Page 13 FORM 201.18-W3 POWER WIRING POSSIBILITIES CONTROL (120-1-60) SUPPLY VIA STANDARD CONTROL TRANSFORMER DEF or HACR TYPE CB LD04370 CONTROL (120-1-60) SUPPLY WITHOUT STANDARD CONTROL TRANSFORMER DEF or HACR TYPE CB LD04371 YORK INTERNATIONAL...
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Page 16: Standard Compressor Power Supplies
STANDARD COMPRESSOR POWER SUPPLIES ACROSS-THE-LINE START (PRESENT ON CERTAIN MODEL CHILLERS) (NOT PRESENT ON 3-COMPRESSOR CHILLERS) (PRESENT ON CERTAIN MODEL CHILLERS) (NOT PRESENT ON 3-COMPRESSOR CHILLERS) LD04173 FIG. 3 – STANDARD COMPRESSOR POWER SUPPLY - ACROSS-THE-LINE START YORK INTERNATIONAL... - Page 17 FORM 201.18-W3 STANDARD COMPRESSOR POWER SUPPLIES WYE-DELTA START (PRESENT ON CERTAIN MODEL CHILLERS) (NOT PRESENT ON 3-COMPRESSOR CHILLERS) (PRESENT ON CERTAIN MODEL CHILLERS) (NOT PRESENT ON 3-COMPRESSOR CHILLERS) LD04174 FIG. 4 – STANDARD COMPRESSOR POWER SUPPLY - WYE-DELTA START YORK INTERNATIONAL...
- Page 21 FORM 201.18-W3 FIG. 6 – CONNECTION DIAGRAM YORK INTERNATIONAL...
- Page 22 CONNECTION DIAGRAM Box Information continued on page 22 YORK INTERNATIONAL...
- Page 23 FORM 201.18-W3 YORK INTERNATIONAL...
- Page 24 CONNECTION DIAGRAM Box Information continued from page 20 LD04180 FIG. 7 – CONNECTION DIAGRAM YORK INTERNATIONAL...
- Page 25 FORM 201.18-W3 CONNECTION DIAGRAM Box Information continued from page 20 LD04181 FIG. 8 – CONNECTION DIAGRAM YORK INTERNATIONAL...
- Page 26 LD04182...
- Page 27 LD04183...
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Page 28: Dxst Direct Drive
ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT LD04177 FIG. 11 – ELEMENTARY DIAGRAM, DXST DIRECT DRIVE - CONTROL CIRCUIT YORK INTERNATIONAL... - Page 29 FORM 201.18-W3 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT FIG. 12 – ELEMENTARY DIAGRAM, DXST DIRECT DRIVE - CONTROL CIRCUIT YORK INTERNATIONAL...
- Page 30 ELEMENTARY DIAGRAM DXST DIRECT DRIVE CONTROL CIRCUIT DETAIL "C" SEE INSTALLATION, OPERATION AND MAINTENANCE MANUAL FOR JUMPER OF CONDENSER FANS FOR CHILLER MODEL LD04374 FIG. 13 – ELEMENTARY DIAGRAM, DXST DIRECT DRIVE - CONTROL CIRCUIT YORK INTERNATIONAL...
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Page 31: Connection Diagram System Wiring
FORM 201.18-W3 CONNECTION DIAGRAM SYSTEM WIRING STANDARD & REMOTE EVAP. UNITS LD04184 FIG. 14 – CONNECTION DIAGRAM SYSTEM WIRING YORK INTERNATIONAL... - Page 32 CONNECTION DIAGRAM SYSTEM WIRING STANDARD & REMOTE EVAP. UNITS LD04185 FIG. 15 – CONNECTION DIAGRAM SYSTEM WIRING YORK INTERNATIONAL...
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Page 33: Control Power Transformer Kit (Optional)
FORM 201.18-W3 CONTROL POWER TRANSFORMER KIT LD04186 FIG. 16 – CONTROL POWER TRANSFORMER KIT YORK INTERNATIONAL... - Page 34 Proud Sponsor of the 2000 U.S. Olympic Team 36USC380 P .O. Box 1592, York, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA Copyright © by York International Corporation 1999 ALL RIGHTS RESERVED Form 201.18-W3 (899) Supersedes: Nothing...