York MILLENNIUM YCAS0373, Wiring Diagram

Page 1: ...WIRING DIAGRAM Millennium TM AIR COOLED SCREW LIQUID CHILLERS STYLE F Supersedes Nothing Form 201 18 W2 599 28971A r MODELS YCAS0373 THRU YCAS0653...

Page 2: ...ntenance of the equipment and is are familiar with its potential hazards Shut off power supply to equipment before beginning work and follow lockout procedures When working inside equipment with power...

Page 3: ...cteristics of the unit YORK Chiller YC YORK Chiller Air Cooled Compressor Type S Screw Nominal Capacity Unit Designator S Standard Unit E High Efficiency Design Series Type Start Y Star WYE Delta X Ac...

Page 4: ...date 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 field supplied disconnect is a Disconnecting Mean...

Page 5: ...TOR AMPS YLRA WYE DELTA INRUSH LOCKED ROTOR AMPS LEGEND CHILLER ELECTRICAL SYSTEM 2 FIELD SUPPLIED WIRING MODEL FIELD PROVIDED POWER SUPPLY FACTORY PROVIDED LUGS WIRE RANGE7 COMPRESSOR DATA FAN YCAS M...

Page 6: ...g copper connectors only Field wiring must also comply with local codes 8 A ground lug is provided for each compressor system to accommodate field grounding conductor per N E C Article 250 54 A contro...

Page 7: ...V SW UNIT MOUNTEDSERVICE NON FUSEDDISCONNECTSWITCH WYE DELTA WYE DELTA START XLRA ACROSS THE LINE INRUSH LOCKED ROTOR AMPS YLRA WYE DELTA INRUSH LOCKED ROTOR AMPS LEGEND SYSTEM 1 SYSTEM 2 MODEL FACTOR...

Page 8: ...ectric Code and using copper connectors only Field wiring must also comply with local codes 8 A ground lug is provided for each compressor system to accommodate field grounding conductor per N E C Art...

Page 9: ...OINTWIRING UNIT MTD SERV SW UNIT MOUNTEDSERVICE NON FUSEDDISCONNECTSWITCH WYE DELTA WYE DELTA START XLRA ACROSS THE LINE INRUSH LOCKED ROTOR AMPS YLRA WYE DELTA INRUSH LOCKED ROTOR AMPS LEGEND OPTIONA...

Page 10: ...tions on the following page 5 To stop unit Emergency Stop with contacts other than those shown install the stop contact between 5 and 1 If a stop device is not installed a jumper must be connected bet...

Page 11: ...FORM 201 18 W2 11 YORK INTERNATIONAL LD03228 WIRING DIAGRAM ACROSS THE LINE START...

Page 12: ...YORK INTERNATIONAL 12 FIG 1 CONTINUED ELEMENTARY DIAGRAM...

Page 13: ...e relay contactor coil 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 t...

Page 14: ...tions on the following page 5 To stop unit Emergency Stop with contacts other than those shown install the stop contact between 5 and 1 If a stop device is not installed a jumper must be connected bet...

Page 15: ...FORM 201 18 W2 15 YORK INTERNATIONAL WIRING DIAGRAM WYE DELTA START LD03229...

Page 16: ...YORK INTERNATIONAL 16 FIG 2 CONTINUED ELEMENTARY DIAGRAM...

Page 17: ...e relay contactor coil 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 t...

Page 18: ...YORK INTERNATIONAL 18...

Page 19: ...FORM 201 18 W2 19 YORK INTERNATIONAL LD03280...

Page 20: ...YORK INTERNATIONAL 20 LEGEND LD03281...

Page 21: ...FORM 201 18 W2 21 YORK INTERNATIONAL LD03282 LD03283 LD03284...

Page 22: ...YORK INTERNATIONAL 22 CONNECTION DIAGRAM SYSTEM WIRING LD03230 LD03231 LD03232...

Page 23: ...FORM 201 18 W2 23 YORK INTERNATIONAL COMPRESSOR TERMINAL BOX LD03233...

Page 24: ...IT BREAKERS LD04107 See page 25 for notes SEE NOTE 2 Optional Field Provided 115 1 MicroPanel Supply Suitable for Y Start and Across The Line Start MULTIPLE POINT POWER SUPPLY CONNECTION STANDARD UNIT...

Page 25: ...MPRESSOR POWER WIRING CONNECTIONS OPTIONAL SINGLE POINT POWER SUPPLY CONNECTION WITH FIELD SUPPLIED CIRCUIT PROTECTION LD04108 See page 25 for notes Suitable for Across The Line Start Only SEE NOTE 2...

Page 26: ...L SINGLE POINT POWER SUPPLY CONNECTION AND INTERNAL UNIT CIRCUIT BREAKERS 3 4 COMPRESSOR POWER CONNECTION OPTIONS Field Supply 1 CB1 CB2 CB3 CB4 TB or DS TB or DS Field Supply 2 Suitable for Y Start a...

Page 27: ...Supply 2 Field Supply 1 Suitable for Across the Line Start LD03893 3 4 COMPRESSOR POWER CONNECTION OPTIONS NOTE 2 NOTES 1 Dashed Line indicates Field Provided Wiring 2 The above recommendations are ba...

Page 28: ...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 3 4...