York MaxE YR Owner'S Manual Download Page 1

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FORM 160.81-EG1 (502)

Model YR

Twin-Screw Compressor Liquid Chillers

Design Level A

200 through 430 tons (60 Hz)

700 through 1500 kW (50 Hz)

170 through 365 tons (50 Hz)

600 through 1280 kW (50 Hz)

Utilizing HFC-134a

Metric Conversions

Rated in Accordance

with the latest edition of ARI

STANDARD 550/590

00562VIP

ASHRAE

90.1

COMPLIANT

Summary of Contents for MaxE YR

Page 1: ...ers Design Level A 200 through 430 tons 60 Hz 700 through 1500 kW 50 Hz 170 through 365 tons 50 Hz 600 through 1280 kW 50 Hz Utilizing HFC 134a Metric Conversions m Rated in Accordance with the latest...

Page 2: ...prene Isolators In 32 Floor Layout Neoprene Isolators mm 33 Floor Layout Spring Isolators In and mm 34 WEIGHTS Std and Metric 35 GUIDE SPECIFICATIONS 36 NOMENCLATURE The model number denotes the follo...

Page 3: ...han 500 ppm Oil is vital in screw compressors for lubrication rotor seal ing and cooling However oil in the evaporator can lead to reduced heat transfer and reduced system perfor mance The high effici...

Page 4: ...nger and pass arrangement Computerized ratings are available through each YORK sales office These ratings can be tailored to specific job requirements and are part of the ARI Certification Program OFF...

Page 5: ...ntains the System Status Line and Details Line the Control Source Access Level Date and Time During the Start Sequence and System Lockout Delay the system status will include a countdown timer indi ca...

Page 6: ...oper ates in the thermal storage control mode the unit will remain at 100 load until the setpoint shutdown tem perature is reached To add greater operating flexibility and eliminate unnecessary chill...

Page 7: ...e Storage Active LED Programmable Local Leaving Chilled Liquid Temperature Range Local Leaving Chilled Liquid Temperature Setpoint Leaving Chilled Liquid Temperature Cycling Offset Shutdown Leaving Ch...

Page 8: ...sump Display Only Discharge Temperature Discharge Superheat Oil Pressure Discharge Pressure Differential Oil Pressure Differential Filter Pressure Oil Return Solenoid LED Evaporator Pressure Condenser...

Page 9: ...he top level of the general configura tion parameters It allows programming of the time and date along with specifications as to how the time will be displayed In addition the chiller configuration as...

Page 10: ...s whether the control of the chiller will be Local Digital Remote Analog Remote Modem Remote or ISN Remote Programmable Control Source The HISTORY screen allows the user to browse through the last ten...

Page 11: ...Up Page Down Print DISPLAY MESSAGES The Control Center continuously monitors the operat ing system displaying and recording the cause of any shutdowns Safety Cycling or Normal The condition of the chi...

Page 12: ...e Sensor Run Signal Invalid Current Scale Selection Phase Locked Loop Low Supply Line Voltage High Supply Line Voltage Logic Board Processor Logic Board Power Supply Phase Loss Safety Shutdown Message...

Page 13: ...eductor will be provided to automatically remove oil which may have migrated to the evaporator and return it to the compres sor The oil separator will be of a vertical design with no moving parts and...

Page 14: ...ing a graphi cal representation of the chiller and its major compo nents Panel verbiage is available in other languages as an option with English always available Data can be displayed in either Engli...

Page 15: ...consists of system status system details day time cause of shutdown and type of restart required Cycling shutdowns with a fixed speed drive will include a multiunit cycling contacts open b system cycl...

Page 16: ...ional Electrical Code OSHA Occupational Safety and Health Act ISOLATION MOUNTING The unit is provided with four vibration isolation mounts consisting of 1 25 4 mm thick neoprene isolation pads for fie...

Page 17: ...hiller to control its operation ISN translators come in two models con trolling up to four chillers and eight chillers respectively FACTORY INSULATION OF EVAPORATOR Factory applied thermal insulation...

Page 18: ...version The following factors can be used to convert from English to the most common Sl Metric values MEASUREMENT MULTIPLY THIS BY TO OBTAIN THIS ENGLISH VALUE METRIC VALUE CAPACITY TONS REFRIGERANT E...

Page 19: ...low rates and will be more effective with full design flow Ref Table 1 for flow limits Temperature Ranges For normal water chilling duty leaving chilled water temperatures may be selected be tween 38...

Page 20: ...strainer The flow switch and strainer assure chilled wa ter flow during unit operation The loss or severe reduc tion of water flow could seriously impair the chiller per formance or even result in tub...

Page 21: ...hes or a combination of these devices Sized to the requirements of applicable codes a vent line must run from the relief device to the outside of the building This refrigerant relief piping must inclu...

Page 22: ...ressor motor amps Ampacity on Line Side of Starter The only additional load on the circuit for the chiller would be the control transformer unless it is supplied by a separate source 125 of compr FLA...

Page 23: ...5 4 88 1 95 7 87 3 96 0 84 5 96 1 81 6 96 2 72 4 95 6 63 1 94 9 480 339 1516 88 2 94 9 87 7 95 2 87 2 95 5 85 8 95 8 84 3 96 0 80 4 96 0 76 5 96 0 65 8 95 2 55 0 94 4 575 300 1162 89 2 94 6 89 1 95 0...

Page 24: ...87 7 94 6 87 2 95 0 85 9 95 3 84 5 95 6 80 4 95 7 76 3 95 7 65 6 94 9 54 9 94 1 210 2 415 333 1544 89 2 93 8 89 1 94 4 88 9 94 9 88 1 95 3 87 3 95 6 84 3 95 8 81 3 95 9 72 2 95 3 93 1 94 6 267 380 390...

Page 25: ...IONAL FORM 160 81 EG1 00562VIP CONDENSER SIGHT GLASS LIQUID LINE VARIABLE ORIFICE OPTIVIEW GRAPHIC CONTROL CENTER MOTOREND COMPRESSOR END OPTIONAL UNIT MOUNTED SOLID STATE STARTER 2 STAGE HIGH EFFICIE...

Page 26: ...ED ON UNITS WITH OPTIONAL ISOLATION VALVES ISOLATION VALVE NOTE OPTIONAL H RELIEF VALVE SEE TABLE ISOLATION VALVE NOTE OPTIONAL FRONT OF UNIT MOTOR COMPRESSOR MOTOR END COMPRESSOR END MOTOR END COMPRE...

Page 27: ...S T V CONDENSER T V 1 PASS 2 PASS 3 PASS 1 PASS 2 PASS 3 PASS H 375 343 343 J 375 318 318 DIM REAR HEAD 2 PASS REAR HEAD 2 PASS K 222 194 EVAPORATOR CONDENSER SHELL CODES DIM T0 T1 COMPRESSORS T1 COMP...

Page 28: ...furnished as welding stub outs with Victaulic grooves allowing the option of welding flanges or use of Victaulic couplings Factory installed class 150 ANSI B16 5 round slip on forged carbon steel wit...

Page 29: ...Standard water nozzles are furnished as welding stub outs with Victaulic grooves allowing the option of welding flanges or use of Victaulic couplings Factory installed class 150 ANSI B16 5 round slip...

Page 30: ...unit is defined as side of chiller where control center is mounted NOZZLE ARRANGEMENTS NO OF COND PASSES IN OUT 1 P Q Q P NOZZLE ARRANGEMENTS NO OF COND PASSES IN OUT 2 R S T U NOTE Water must enter...

Page 31: ...ccess and cleaning 5 Front of unit is defined as side of chiller where control center is mounted NOZZLE ARRANGEMENTS NO OF COND PASSES IN OUT 1 P Q Q P NOZZLE ARRANGEMENTS NO OF COND PASSES IN OUT 2 R...

Page 32: ...OUT SUPPORT FOOT DIMENSIONS ARE TYPICAL ALL 4 CORNERS 1 3 3 7 8 DIA HOLE DIMENSION A From Fig 3 pgs 26 27 5 1 2 4 1 2 4 1 2 5 1 2 3 8 STEEL PLATE 1 DEFLECTED HEIGHT 1 2 UNIT WEIGHT UP TO 16 365 LBS IS...

Page 33: ...OUT SUPPORT FOOT DIMENSIONS ARE TYPICAL ALL 4 CORNERS 25 76 2 22 mm DIA HOLE 140 114 114 140 13 mm STEEL PLATE 25 mm DEFLECTED HEIGHT 13 UNIT WEIGHT UP TO 7 423 KGS ISOLATOR TO BE CENTERED UNDER SUPPO...

Page 34: ...34 YORK INTERNATIONAL FORM 160 81 EG1 Dimensions Floor Layout SPRING ISOLATORS ALL DIMENSIONS ARE IN INCHES ALL DIMENSIONS ARE IN MILLIMETERS LD07378 LD07379 Pgs 26 27 Pgs 26 27 Pgs 26 27 Pgs 26 27...

Page 35: ...BWC 14 930 6 772 17 550 7 961 1 250 567 4 388 1 990 WBWD 15 520 7 040 18 020 8 174 1 250 567 4 505 2 043 WCWB 14 840 6 731 17 410 7 897 1 250 567 4 353 1 975 T1 WCWC 15 110 6 854 17 800 8 074 1 250 56...

Page 36: ...ght Guide Specifications design with no pipe thread connections that can loosen and leak over time All units shall ship with a full charge of refrigerant HFC 134a and oil Alternatively the chiller sha...

Page 37: ...refrigerant charge The evaporator shall have a refrigerant relief device to meet the requirements of ASHRAE 15 Safety Code for Mechanical Refrigeration Water boxes shall be removable to permit tube cl...

Page 38: ...cycling two different Low Water Liquid Tem perature Restart Thresholds shall be programmable one for the ice mode and one for the standard cooling mode The chiller shall have the capability to remain...

Page 39: ...view operator and service 8 Trending data with the ability to customize points of once every second to once every hour The panel shall trend up to 6 different parameters from a list of over 140 witho...

Page 40: ...rd 508 A non fused disconnect switch is also available Both options are padlockable REMOTE ELECTRO MECHANICAL COMPRES SOR MOTOR STARTER OPTIONAL A remote electro mechanical starter of the R 1131 type...

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