Related Manuals for York YCAS0373
Summary of Contents for York YCAS0373
- Page 1 Millennium AIR COOLED SCREW LIQUID CHILLERS (STYLE F) WIRING DIAGRAM MODELS YCAS0373 THRU YCAS0653 28971A(r)
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Page 2: High Voltage
WARNING HIGH VOLTAGE is used in the operation of this equipment DEATH OR SERIOUS INJURY may result if personnel fail to observe precautions. Work on electronic equipment should not be undertaken unless the individual(s) has (have) been trained in the proper maintenance of the equipment and is (are) familiar with its potential hazards. Shut off power supply to equipment before beginning work and follow lockout procedures. - Page 3 NOMENCLATURE 0373...
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Page 4: Electrical Data
ELECTRICAL DATA MULTIPLE POINT 380V / 50HZ / 3Ø POWER SUPPLY CONNECTION Each of Two Field Provided Power Supply Circuits individually protected with Branch Circuit Protection. Field Connections to Factory provided Terminal Block (Std), Disconnects (Opt), or Breakers(Opt) in each of the two Motor Control Centers. ELECTRICAL SYSTEM #1 FIELD SUPPLIED WIRING CHILLER FIELD PROVIDED POWER SUPPLY... - Page 5 CHILLER ELECTRICAL SYSTEM #2 FIELD SUPPLIED WIRING MODEL FIELD PROVIDED POWER SUPPLY FACTORY PROVIDED (LUGS) WIRE RANGE COMPRESSOR DATA YCAS MIN NF OVER-CURRENT PROTECTION STANDARD* OPTIONAL* NF OPTIONAL DATA 11, 12 RLA Y-LRA X-LRA (MCA ) DISC SW MIN. 3, 5 MAX.
- Page 6 ELECTRICAL DATA (Continued) OPTIONAL 380V / 50HZ / 3Ø SINGLE POINT POWER SUPPLY CONNECTION AND INTERNAL UNIT CIRCUIT BREAKERS One Field Provided Power Supply Circuit to the chiller. Field connections to Power Terminal Block or Non-Fused Disconnect in ‘Option Panel’. Internal Branch Circuit Protection (Breakers) per Motor Control Center FIELD SUPPLIED WIRING MODEL FIELD PROVIDED POWER SUPPLY...
- Page 7 SYSTEM #1 SYSTEM #2 MODEL FACTORY FACTORY COMPRESSOR DATA COMPRESSOR DATA DATA YCAS CIRCUIT CIRCUIT DATA 11, 12 BREAKER Y-LRA X-LRA FLA (EA) BREAKER Y-LRA X-LRA FLA (EA) 0373SB 107.9 107.9 0403SB 117.7 117.7 0453SB 139.5 139.5 0503SB 161.3 161.3 0543SB 140.6 140.6...
- Page 8 ELECTRICAL DATA (Continued) OPTIONAL 380V / 50HZ / 3Ø SINGLE POINT POWER SUPPLY CONNECTION WITH FIELD SUPPLIED CIRCUIT PROTECTION One Field Provided Power Supply Circuit to the chiller. Field Connection to Power Terminal Block or Disconnect Switch in the ‘Option Panel’. No Internal Branch Circuit Protection per Motor Control Center.
- Page 9 OPTIONAL 380V / 50HZ / 3Ø SINGLE POINT POWER SUPPLY CONNECTION TO FACTORY CIRCUIT BREAKER One Field Provided Power Supply Circuit to the chiller. Field Connection to Circuit Breaker in ‘Option Panel’. No internal Branch Circuit Protection per Motor Control Center FIELD SUPPLIED WIRING SYSTEM #1 SYSTEM #2...
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Page 10: Wiring Diagram Across-The-Line Start
Transient Voltage Suppression Terminal Block for Customer Connections Terminal Block for Customer Low Voltage (Class 2) Connections. See Note 2 Terminal Block for YORK Connections Only Wiring and Components by YORK Optional Equipment Wiring and/or Components by Others FIG. 1 – ELEMENTARY DIAGRAM – ACROSS-THE-LINE START... - Page 11 WIRING DIAGRAM ACROSS-THE-LINE START LD03228...
- Page 12 ELEMENTARY DIAGRAM FIG. 1 – CONTINUED...
- Page 13 Any contacts connected to flow switch inputs or BAS inputs on terminals 13 - 19 or TB3, or any other terminals, must be sup- pressed with a YORK P/N 031- 00808-000 suppressor across the relay/contactor coil. CAUTION: Control wiring connected to the...
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Page 14: Wiring Diagram Wye-Delta Start
Transient Voltage Suppression Terminal Block for Customer Connections Terminal Block for Customer Low Voltage (Class 2) Connections. See Note 2 Terminal Block for YORK Connections Only Wiring and Components by YORK Optional Equipment Wiring and/or Components by Others FIG. 2 – ELEMENTARY DIAGRAM – WYE-DELTA START... - Page 15 WIRING DIAGRAM WYE-DELTA START LD03229...
- Page 16 ELEMENTARY DIAGRAM FIG. 2 – CONTINUED...
- Page 17 Any contacts connected to flow switch inputs or BAS inputs on terminals 13 - 19 or TB3, or any other terminals, must be sup- pressed with a YORK P/N 031- 00808-000 suppressor across the relay/contactor coil. CAUTION: Control wiring connected to the...
- Page 19 LD03280...
- Page 20 LEGEND LD03281...
- Page 21 LD03282 LD03283 LD03284...
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Page 22: Connection Diagram (System Wiring)
CONNECTION DIAGRAM (SYSTEM WIRING) LD03230 LD03231 LD03232... -
Page 23: Compressor Terminal Box
COMPRESSOR TERMINAL BOX LD03233... - Page 24 STYLE “F” 2 COMPRESSOR POWER WIRING CONNECTIONS MULTIPLE POINT POWER SUPPLY CONNECTION – STANDARD UNIT Suitable for: Y-∆ ∆ ∆ ∆ ∆ Start and Across-The-Line Start LD04106 OPTIONAL SINGLE POINT POWER SUPPLY CONNECTION AND INTERNAL UNIT CIRCUIT BREAKERS Suitable for: Y-∆...
- Page 25 STYLE “F” 2 COMPRESSOR POWER WIRING CONNECTIONS OPTIONAL SINGLE POINT POWER SUPPLY CONNECTION WITH FIELD SUPPLIED CIRCUIT PROTECTION Suitable for: Across-The-Line Start Only LD04108 OPTIONAL SINGLE POINT POWER SUPPLY CONNECTION TO FACTORY CIRCUIT BREAKER Suitable for: Across-The-Line Start Only LD04109 NOTES:...
- Page 26 3 & 4 COMPRESSOR POWER CONNECTION OPTIONS MULTIPLE POINT POWER SUPPLY CONNECTION WITH OPTIONAL CIRCUIT BREAKERS Suitable for: Y - ∆ Start and Across the Line Start CE Mark Field Supply #2 Field Supply #1 LD03891 OPTIONAL SINGLE-POINT POWER SUPPLY CONNECTION AND INTERNAL UNIT CIRCUIT BREAKERS Suitable for: Y - ∆...
- Page 27 3 & 4 COMPRESSOR POWER CONNECTION OPTIONS MULTIPLE POINT POWER SUPPLY CONNECTION Suitable for: Across the Line Start Field Supply #2 Field Supply #1 LD03893 NOTES:...
- Page 28 #3/#4 #5/#6 #5/#6 #7/#8 #7/#8 #9/#10 #9/#10 #11/#12 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-W2 (599) Supersedes: Nothing...
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