Manuale d’uso / di manutenzione del prodotto YR del fabbricante York
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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.
2 YORK INTERNA TIONAL FORM 160.81-EG1 INTRODUCTION .......................................................... 3 RA TINGS ..................................................................... 4 OPTIVIEW CONTROL CENTER ................................. 5 MECHANICAL SPECIFICA TIONS .
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.
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.
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.
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.
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.
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 Contr.
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.
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.
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.
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 • S.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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 A.
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.
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.
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.
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.
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.
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 .
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 .
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.
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.
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.
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 .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il York YR è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del York YR - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso York YR imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul York YR ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il York YR, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del York YR.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il York YR. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo York YR insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
