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York YR - page 1
FORM 160.81-EG1 ( 502 ) Model YR T win-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 Conv ersions m Rated in Accordance with the latest edition of ARI ST ANDARD 550/590 00562VIP ASHRAE 90.1 COMPLIANT ...
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York YR - page 2
2 YORK INTERNA TIONAL FORM 160.81-EG1 INTRODUCTION .......................................................... 3 RA TINGS ..................................................................... 4 OPTIVIEW CONTROL CENTER ................................. 5 MECHANICAL SPECIFICA TIONS ............................... 13 ACCESSORIES & MODIFICA TIONS .. ...
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York YR - page 3
3 YORK INTERNA TIONAL FORM 160.81-EG1 Introduction The YORK M AX E YR Chiller offers a complete combina- tion of features for total owner satisfaction. MA TCHED COMPONENTS MAXIMIZE EFFICIENCY Actual chiller efficiency cannot be determined by ana- lyzing the theoretical efficiency of any one chiller com- ponent. It requires a specific combination of ...
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York YR - page 4
4 YORK INTERNA TIONAL FORM 160.81-EG1 Ratings ARI CERTIFICA TION PROGRAM The performance of YORK M AX E chillers is certified to the Air Conditioning and Refrigeration Institute (ARI) complying with the certification sections of the latest issue of ARI Standard 550/590. Under this Certification Program, chillers are regularly tested in strict compl ...
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York YR - page 5
5 YORK INTERNA TIONAL FORM 160.81-EG1 OptiV iew Control Center OPTIVIEW CONTROL CENTER The YORK OptiV iew Control Center , furnished as stan- dard on each chiller , provides the ultimate in efficiency , monitoring, data recording, chiller protection and oper- ating ease. The control center is a factory-mounted, wired and tested state-of-the-art mic ...
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York YR - page 6
6 YORK INTERNA TIONAL FORM 160.81-EG1 OptiV iew Control Center (continued) tacts include a Remote Mode Ready T o Start, a Cy- cling Shutdown, a Safety Shutdown and a chiller Run Contact. Pressure transducers sense system pressures and thermistors sense system temperatures. The out- put of each transducer is a DC voltage that is analo- gous to the p ...
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York YR - page 7
7 YORK INTERNA TIONAL FORM 160.81-EG1 The EV APORA TOR screen displays a cutaway view of the chiller evaporator . All setpoints relating to the evapo- rator side of the chiller are maintained on this screen. Animation of the evaporation process indicates whether the chiller is presently in RUN condition (bubbling) and liquid flow in the pipes is in ...
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York YR - page 8
8 YORK INTERNA TIONAL FORM 160.81-EG1 OptiV iew Control Center (continued) • Slide V alve Unload (Manual) • Slide V alve Auto • Max. Load T emperature • Minimum Load FLA • Minimum Load Control Source The HOT GAS BYP ASS screen, accessed from the COMPRESSOR screen, displays a pictorial of the by- pass line and solenoid valve location on th ...
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York YR - page 9
9 YORK INTERNA TIONAL FORM 160.81-EG1 Programmable: • Full-load Amps • V oltage Range • Starting Current • Open SCR • Shorted SCR • kWH Reset The SETPOINTS screen provides a convenient loca- tion for programming the most common setpoints in- volved in the chiller control. The Setpoints are shown on other individual screens, but to cut d ...
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York YR - page 10
10 YORK INTERNA TIONAL FORM 160.81-EG1 OptiV iew Control Center (continued) The USER screen allows definition of the language for the chiller to display and defines the unit of measure. Programmable: • System Language • English/Metric Units The COMMS screen allows the user to define commu- nications parameters. Programmable: • Chiller ID • ...
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York YR - page 11
11 YORK INTERNA TIONAL FORM 160.81-EG1 collecting the data, but the oldest data drops of f the graph from left to right at the next data collection inter- val. For ease of identification, each plotted parameter , title and associated Y-axis labeling is color coordinated. Display Only: • This screen allows the user to view the graphical trending o ...
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York YR - page 12
12 YORK INTERNA TIONAL FORM 160.81-EG1 • Low Discharge Superheat Detected • Maximum Load – Load Limit • Minimum Load – Load Limit • Oil – Dirty Filter • Oil – High T emperature • Slide V alve Uncalibrated Routine Shutdown Messages Include: • Remote Stop • Local Stop • Place Compressor Switch In Run Position Cycling Shutdow ...
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York YR - page 13
13 YORK INTERNA TIONAL FORM 160.81-EG1 Mechanical Specifications GENERAL Each YORK M AX E YR Screw Chiller will be completely factory-packaged including evaporator , condenser , com- pressor , motor , OptiView control center and all inter- connecting unit piping and wiring. The chiller will be painted prior to shipment and will be packaged to pro- ...
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York YR - page 14
14 YORK INTERNA TIONAL FORM 160.81-EG1 Mechanical Specifications (continued) sure V essel Code, Section VIII, Division 1. T ubes shall be high-efficiency , internally and externally enhanced type having plain copper lands at all intermediate tube supports to provide maximum tube wall thickness at the support area. Each tube will be roller expanded ...
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York YR - page 15
15 YORK INTERNA TIONAL FORM 160.81-EG1 3. Status messages indicating: a. system ready to start b. system running c. system coastdown d. system safety shutdown-manual restart e. system cycling shutdown-auto restart f . start sequence initiated g. start inhibit 4. The text displayed within the system status and system details field will be displayed ...
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York YR - page 16
16 YORK INTERNA TIONAL FORM 160.81-EG1 Mechanical Specifications (continued) 1 1 . A numbered terminal strip for all required field in- terlock wiring. 12. An RS-232 port to output all system operating data, shutdown / cycling message, and a record of the last 10 cycling or safety shutdowns to a field-sup- plied printer . Data logs to a printer at ...
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York YR - page 17
17 YORK INTERNA TIONAL FORM 160.81-EG1 Accessories and Modifications SOLID ST A TE ST ARTER The Solid State Starter is a reduced voltage starter that controls and maintains a constant current flow to the motor during startup. It is compact and mounted on the chiller at the motor terminals. Power and control wiring is factory supplied. Available for ...
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York YR - page 18
18 YORK INTERNA TIONAL FORM 160.81-EG1 MARINE W A TER BOXES Marine water boxes allow service access for cleaning of the heat exchanger tubes without the need to break the water piping. Bolted-on covers are arranged for con- venient access. Victaulic nozzle connections are stan- dard; flanges are optional. Marine water boxes are avail- able for cond ...
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York YR - page 19
19 YORK INTERNA TIONAL FORM 160.81-EG1 The following is a user ’ s guide in the application and installation of M AX E Chillers, and will ensure the reli- ability and trouble-free life for which this equipment was designed. While this guide is directed towards normal, water-chilling applications, the YORK sales represen- tatives can provide compl ...
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York YR - page 20
20 YORK INTERNA TIONAL FORM 160.81-EG1 Application Data (continued) evaporator and condenser when the pumps are shut off. Piping should be adequately supported and braced inde- pendently of the chiller to avoid the imposition of strain on chiller components. Hangers must allow for alignment of the pipe. Isolators in the piping and in the hangers ar ...
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York YR - page 21
21 YORK INTERNA TIONAL FORM 160.81-EG1 nected in series and condenser water circuits connected in parallel. All of the chilled water flows through both cool- ers with each unit handling approximately one-half of the total load. When the load decreases to a customer se- lected load value, one of the units will be shut down by a sequence control. Sin ...
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York YR - page 22
22 YORK INTERNA TIONAL FORM 160.81-EG1 Application Data (continued) In addition, the ASHRAE Standard 15 requires a refriger- ant vapor detector to be employed for all refrigerants. It is to be located in area where refrigerant from a leak would be likely to concentrate. An alarm is to be activated and the mechanical ventilation started at a value n ...
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York YR - page 23
23 YORK INTERNA TIONAL FORM 160.81-EG1 FLA = Motor kW x Max. Motor FLA Max. Motor kW The benefit from the FLA correction is the possible use of smaller power wiring and/or starter size. The locked rotor amperes (LRA) are read directly from T ables 3 and 4 for specific Motor Code and voltage. This is because the LRA is dependent only on motor size a ...
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York YR - page 24
24 YORK INTERNA TIONAL FORM 160.81-EG1 TYPE ST ARTER SOLID ST A TE ST ARTER ST AR DEL T A AUTO TRANSFORMER ACROSS THE LINE 60HZ 50 HZ TRANSITION % T A P INRUSH AS A % OF LRA 200-600 380-415 NONE — 45 200-600 380-415 CLOSED — 33 200-600 380-415 OPEN — 33 200-600 380-415 CLOSED 57.7 33 200-600 380-415 CLOSED 65 42.3 200-600 380-415 CLOSED 80 64 ...
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York YR - page 25
25 YORK INTERNA TIONAL FORM 160.81-EG1 00562VIP CONDENSER SIGHT GLASS LIQUID LINE VARIABLE ORIFICE OPTIVIEW GRAPHIC CONTROL CENTER MOTOR END COMPRESSOR END OPTIONAL UNIT MOUNTED SOLID ST ATE ST ARTER 2-ST AGE HIGH EFFICIENCY OIL SEP ARA TOR ...
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York YR - page 26
26 YORK INTERNA TIONAL FORM 160.81-EG1 TOP VIEW 8-1/2" (216 mm) M RELIEF V AL VES (SEE T ABLE) J A K 2' - 3-1/2" (698 mm) 2' - 6-1/4" (768 mm) 3'-8-3/4 " (1 136.7 mm) OIL SEP ARA TOR SOLID ST A TE ST ARTER (OPTIONAL) OPTIVIEW CONTROL P ANEL L F C D E G B SECTION A - A CONDENSER EV APORA TOR RELIEF V AL VE NOTE: ON ...
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York YR - page 27
27 YORK INTERNA TIONAL FORM 160.81-EG1 W A TER BOX DIMENSIONS (FT . - IN) DIM. EV APORA TORS W & X CONDENSER W & X 1 P ASS 2 P ASS 3 P ASS 1 P ASS 2 P ASS 3 P ASS H 1'–2-1/4" 1'–2-1/4" 1'–2-1/4" — — — J — — — 1'–2-1/4" 1'–2-1/4" 1'–2-1/4" DIM. REAR HEAD 2 P ...
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York YR - page 28
28 YORK INTERNA TIONAL FORM 160.81-EG1 Dimensions (Ft.-In.) – Nozzle Arrangements EV APORA TORS – COMP ACT W A TER BOXES 1-P ASS 2-P ASS 3-P ASS EV APORA TOR EV APORA TOR EV APORA TOR EV APORA TOR EV APORA TOR EV APORA TOR MO T OR END COMPRESSOR END MO T OR END COMPRESSOR END MO T OR END COMPRESSOR END FLOOR LINE FLOOR LINE FLOOR LINE 1" 1 ...
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York YR - page 29
29 YORK INTERNA TIONAL FORM 160.81-EG1 Dimensions (mm) – Nozzle Arrangements EV APORA TORS – COMP ACT W A TER BOXES 1-P ASS 2-P ASS 3-P ASS EV APORA TOR EV APORA TOR EV APORA TOR EV APORA TOR EV APORA TOR EV APORA TOR MO T OR END COMPRESSOR END MO T OR END COMPRESSOR END MO T OR END COMPRESSOR END FLOOR LINE FLOOR LINE FLOOR LINE 1" 1" ...
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York YR - page 30
30 YORK INTERNA TIONAL FORM 160.81-EG1 Dimensions (Ft.-In.) – Nozzle Arrangements CONDENSERS – COMP ACT W A TER BOXES NOTES: 1. 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-on, forged ...
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York YR - page 31
31 YORK INTERNA TIONAL FORM 160.81-EG1 Dimensions (mm) – Nozzle Arrangements CONDENSERS – COMP ACT W A TER BOXES NOTES: 1. 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-on, forged carbo ...
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York YR - page 32
32 YORK INTERNA TIONAL FORM 160.81-EG1 Dimensions (In.) – Floor Layout NEOPRENE ISOLA TORS LD07610 6" 8" C L C L C L CONDENSER EV APORA T OR END SHEET SHELLS END SHEET FLOOR LA Y OUT SUPPORT FOO T DIMENSIONS ARE TYPICAL ALL 4 CORNERS 1" 3" 3" 7/8" DIA. HOLE DIMENSION "A" F rom Fig. 3 (pgs. 26 & 27) 5-1/ ...
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York YR - page 33
33 YORK INTERNA TIONAL FORM 160.81-EG1 Dimensions (mm) – Floor Layout NEOPRENE ISOLA TORS LD0761 1 152.4 203.2 C L C L C L CONDENSER EV APORA T OR END SHEET SHELLS END SHEET FLOOR LA Y OUT SUPPORT FOO T DIMENSIONS ARE TYPICAL ALL 4 CORNERS 25 76.2 22 mm DIA. HOLE 140 114 114 140 13 mm STEEL PLA TE 25 mm DEFLECTED HEIGHT 13 UNIT WEIGHT UP TO 7,423 ...
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York YR - page 34
34 YORK INTERNA TIONAL FORM 160.81-EG1 Dimensions – Floor Layout SPRING ISOLA TORS ALL DIMENSIONS ARE IN INCHES ALL DIMENSIONS ARE IN MILLIMETERS LD07378 LD07379 (Pgs. 26 & 27) (Pgs. 26 & 27) (Pgs. 26 & 27) (Pgs. 26 & 27) ...
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York YR - page 35
35 YORK INTERNA TIONAL FORM 160.81-EG1 W eights SOLID ST A TE ST ARTER WEIGHT SIZE LBS KGS 7L, 14L 200 91 26L, 33L 300 136 SHIPPING OPERA TING REFR IGERANT LOADING PER COMP . SHELLS WEIGHT WEIGHT CHARGE ISOLA TOR (LBS) (KG) (LBS) (KG) (LBS) (KG) (LBS) (KG) TBTB 1 1,860 5,380 13,1 10 5,948 650 295 3,278 1,485 TBTC 1 1,910 5,400 13,200 5,988 650 295 ...
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York YR - page 36
36 YORK INTERNA TIONAL FORM 160.81-EG1 GENERAL Furnish and install where indicated on the drawings YORK M AX E Rotary Screw Liquid Chilling Unit(s). Each unit shall produce a capacity of tons, cooling GPM of from °F to °F when supplied with _____ GPM of condenser water at °F . Power input shall not exceed kW with an IPL V (NPL V) of _____. The e ...
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York YR - page 37
37 YORK INTERNA TIONAL FORM 160.81-EG1 A 500W immersion oil heater shall be provided and temperature actuated to effectively remove refrigerant from the oil. Power wiring to the Control Center shall be factory installed. An oil eductor shall be provided to au- tomatically remove oil which may have migrated to the evaporator and return it to the com ...
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York YR - page 38
38 YORK INTERNA TIONAL FORM 160.81-EG1 Guide Specifications operated isolation valves located at the inlet to the oil separator and outlet of the condenser (isolation valves optional). Additional valves shall be provided to facili- tate removal of refrigerant charge from the system. OPTIVIEW CONTROL CENTER General – The chiller shall be controlle ...
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York YR - page 39
39 YORK INTERNA TIONAL FORM 160.81-EG1 n. Oil - high pressure o. Control panel - power failure p. W atchdog - software reboot 5.1. Safety shutdowns with a Solid State Starter (LCSSS) shall include: a. Shutdown - requesting fault data... b. High instantaneous current c. High phase (X) heatsink temperature - running d. 105% motor current overload e. ...
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York YR - page 40
Standard features include: digital readout at the OptiV- iew Control Center of the following: Display Only: • 3-phase voltage A, B, C • 3-phase current A, B, C • Input power (kW) • kW Hours • Starter Model • Motor Run (LED) • Motor Current % Full-load Amps • Current Limit Setpoints • Pulldown Demand T ime Left Programmable: • Lo ...
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