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YCAS AIR-COOLED LIQUID CHILLERS

YCAS0373 THROUGH YCAS0653

STYLE G (R22)

(50 Hz)

WIRING DIAGRAM

AIR-COOLED SCREW LIQUID CHILLERS

New Release

Form 201.19-W3 (1104)

Summary of Contents for YCAS Series

Page 1: ...YCAS AIR COOLED LIQUID CHILLERS YCAS0373 THROUGH YCAS0653 STYLE G R22 50 Hz WIRING DIAGRAM AIR COOLED SCREW LIQUID CHILLERS New Release Form 201 19 W3 1104...

Page 2: ...LIST OF FIGURES FIG 1 WIRING DIAGRAM ACROSS THE LINE START 14 FIG 2 WIRING DIAGRAM ACROSS THE LINE START 15 FIG 3 ELEMENTARY DIAGRAM ACROSS THE LINE START 16 FIG 4 WIRING DIAGRAM WYE DELTA START 18 FI...

Page 3: ...uipment with power off take care to discharge every capacitor likely to hold dan gerous potential Be careful not to contact high voltage connections when installing or operating this equipment LOW VOL...

Page 4: ...of rated load amps included in the circuit Minimum circuit breaker rating 1 5 x largest compressor RLA other compressor RLAs fans x each fan motor FLA 6 Maximum circuit breaker is based on 225 maximum...

Page 5: ...YORK INTERNATIONAL 5 FORM 201 19 W3 1104 This page intentionally left blank...

Page 6: ...1 60Hz POWER SUP PLY NOT REQUIRED IF OPTIONAL CONTROL TRANSFORMER FITTED OPTIONAL CONTROL TRANSFORMER SEE NOTE 3 SEE NOTE 3 0373 380 148 150 200 250 2 4 0 4 300 6 350 108 241 761 3 4 4 17 1 0403 380 1...

Page 7: ...50 200 250 2 4 0 4 300 6 350 108 241 761 3 4 4 17 1 0403 380 160 200 200 250 2 4 0 4 300 6 350 118 241 761 3 4 4 17 1 0453 380 188 200 225 300 1 0 300 6 350 6 350 140 309 979 3 4 4 17 1 0503 380 215 2...

Page 8: ...ler Field connections to Factory Provided Terminal Block standard or Non Fused Disconnect option Individual System Circuit Breakers in each Motor Control Center10 LD05549 Chiller FIELD SUPPLIED WIRING...

Page 9: ...3 4 4 17 1 107 9 241 761 3 4 4 17 1 0403 380 117 7 241 761 3 4 4 17 1 117 7 241 761 3 4 4 17 1 0453 380 139 5 309 979 3 4 4 17 1 139 5 309 979 3 4 4 17 1 0503 380 161 3 309 979 3 4 4 17 1 161 3 309 9...

Page 10: ...d or Non Fused Disconnect option No Internal Branch Circuit Protection Breakers per Motor Control Center10 See page 4 for notes LD05550 Chiller FIELD SUPPLIED WIRING Model Volts Field Provided Power S...

Page 11: ...80 108 N A 761 3 4 4 17 1 108 N A 761 3 4 4 17 1 0403 380 118 N A 761 3 4 4 17 1 118 N A 761 3 4 4 17 1 0453 380 140 N A 979 3 4 4 17 1 140 N A 979 3 4 4 17 1 0503 380 161 N A 979 3 4 4 17 1 161 N A 9...

Page 12: ...Wiring 2 The above recommendations are based on the National Electric Code and using copper connectors only Field wiring must also comply with local codes See page 4 for notes LD05551 Option not avai...

Page 13: ...CODE 50 50 50 MAX kW 113 113 80 MAX AMPS 193 193 135 CONTROL POWER SUPPLY UNITS WITHOUT STANDARD CONTROL CIRCUIT TRANSFORMERS NO OF CONTROL MCA MAX DUAL NON FUSED COMPRESSORS POWER MAX LOAD ELEMENT D...

Page 14: ...to cautions on page 17 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 between...

Page 15: ...YORK INTERNATIONAL 15 FORM 201 19 W3 1104 LD09233 WIRING DIAGRAM CONT D ACROSS THE LINE START FIG 2 WIRING DIAGRAM ACROSS THE LINE START 035 15164 103 REV F SEE DETAIL C ON DRAWING 035 15164 102...

Page 16: ...YORK INTERNATIONAL 16 FORM 201 19 W3 1104 ELEMENTARY DIAGRAM FIG 3 ELEMENTARY DIAGRAM ACROSS THE LINE START LD09480...

Page 17: ...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 the...

Page 18: ...g device in series with the flow switch FSLW See Note 3 for contact rating and wiring specifications Also refer to cautions on page 21 5 To stop unit Emergency Stop with contacts other than those show...

Page 19: ...YORK INTERNATIONAL 19 FORM 201 19 W3 1104 WIRING DIAGRAM CONT D WYE DELTA START FIG 5 ELEMENTARY DIAGRAM WYE DELTA START LD09236...

Page 20: ...YORK INTERNATIONAL 20 FORM 201 19 W3 1104 ELEMENTARY DIAGRAM FIG 6 ELEMENTARY DIAGRAM WYE DELTA START LD09480...

Page 21: ...low switch for start stop into the Alarm circuitry or pilot relays for pump starters wired through motor contactor auxiliary con tacts must be suppressed with YORK P N 031 00808 000 suppressor across...

Page 22: ...YORK INTERNATIONAL 22 FORM 201 19 W3 1104 FIG 7 POWER PANEL SYSTEM 1 COMPONENT LOCATIONS LD09238 POWER PANEL SYSTEM 1 035 18672 104 REV E...

Page 23: ...YORK INTERNATIONAL 23 FORM 201 19 W3 1104 LD010026 FIG 8 CONTROL PANEL COMPONENT LOCATION CONTROL PANEL 035 18672 104 REV E...

Page 24: ...YORK INTERNATIONAL 24 FORM 201 19 W3 1104 FIG 9 POWER PANEL SYSTEM 2 COMPONENT LOCATIONS LD09240 POWER PANEL SYSTEM 2 035 18672 104 REV E...

Page 25: ...YORK INTERNATIONAL 25 FORM 201 19 W3 1104 LEGEND LD010027...

Page 26: ...YORK INTERNATIONAL 26 FORM 201 19 W3 1104 LD03282 LD03283 LD03284 035 15164 102 REV E...

Page 27: ...YORK INTERNATIONAL 27 FORM 201 19 W3 1104 CONNECTION DIAGRAM SYSTEM WIRING LD09242 FIG 10 CONNECTION DIAGRAM SYSTEM WIRING...

Page 28: ...YORK INTERNATIONAL 28 FORM 201 19 W3 1104 COMPRESSOR TERMINAL BOX LD09243 FIG 11 COMPRESSOR TERMINAL BOX 035 18672 105 REV A...

Page 29: ...YORK INTERNATIONAL 29 FORM 201 19 W3 1104 LD010028 ELEMENTARY DIAGRAM STARTER CONTROL CIRCUIT FIG 12 ELEMENTARY DIAGRAM STARTER CONTROL CIRCUIT 035 15164 102 REV E...

Page 30: ...3 4 5 6 3 4 5 6 7 8 5 6 3 4 7 8 9 10 LD06840 ELEMENTARY DIAGRAM FAN CONTROL FIG 13 ELEMENTARY DIAGRAM FAN CONTROL CIRCUIT 035 15164 102 REV E...

Page 31: ...YORK INTERNATIONAL 31 FORM 201 19 W3 1104 NOTES...

Page 32: ...1001 www york com P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in USA Copyright by York International Corporation 2004 ALL RIGHTS RESERVED Form 201 19 W3 1104...

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