The 1200kw air cooled testing lab was certified by ahri. Compressors run continuously and need sufficient horsepower to maintain overall process chiller performance. Jun 01, 2000 with screw chillers, the schedule should be based on actual requirements such as chiller load, run hours, and water quality. The computeraided design cad files and all associated content posted to this website are created. Model yvaa air cooled screw compressor liquid chillers with.
York ycal aircooled scroll chillers provide chilled water for all air conditioning applications using central station air handling or terminal units. Check and ensure all parameters given in logbook are with in limits. Aircooled screw chiller technical manual plc series mcacctsm201 8 5. Catyork air cooled screw chillers are selfcontained. Yvaa aircooled variable speed screw chillers provide superior performance. Air cooled screw chiller technical service manual lsblgwc. A more efficient chiller is a major step along the path to reduce energy consumption and the buildings carbon footprint. Model yvaa air cooled screw compressor liquid chillers. With screw chillers, the schedule should be based on actual requirements such as chiller load, run hours, and water quality. Model ys rotary screw liquid chillers design level e. York offers the largest selection of absorption, air and watercooled chillers and condensing units in the industry. Screw liquid chillers are designed to provide safe and reliable service when. York yvaa air cooled vsd chiller presentation part 2. Scribd is the worlds largest social reading and publishing site.
Model yvwa variablespeed, watercooled screw compressor chillers. Flamingo kuhler series aircooled screw chillers with hanbell semi hermetic screw compressors rating conditions. Pharma editor november 21, 2016 engineering, sop comments off on maintenance of screw chiller make. The inspections will be conducted at agreed upon intervals and trane service first will submit a written report to the customer after each inspection.
Internationally, ahricertified test facilities for water cooled screw chillers are in the range above 200tr. Water treatment this service provides all of the necessary chemicals. Specifications are subject to change due to continuos product development. York water cooled chiller model yk style e installation instructions home literature library york water cooled chiller model yk style e installation instructions please wait some files take minutes to load. Iceman aircooled and watercooled chiller systems for more information, refer to complete. Aircooled screw chiller installation, operation and maintenance manual 3 1.
If the chiller is disabled, the unit status display will reflect this and also show why it is disabled. About this manual operation and maintenance information for models cvgf are covered in this manual. Cvgf centrifugal chillers equipped with the tracer ch530 chiller controller system. Blue star has volunteered to get the entire screw chiller range tested and certified by ahri for both full and part load operations.
Ys style e millennium rortary screw liquid chillers. Aircooled screw chiller model ags 120csh to ags 210csh installation and maintenance manual march 2008 aircooled screw chiller model ags 230b to 475b catalog aircooled scroll chiller model agz 010as through agz bsbh product catalog october 2006. To remotely start and stop the chiller, dry contacts can be wired in series with the flow switch and ctb1. This unit is shipped as a single factory assembled, piped, wired and nitrogen or refrigerant charged package form 1 shipment. The switch must be placed in the on position for the chiller to operate. The york yvwa chillers provide superior performance. Model yr twinscrew compressor liquid chillers design level c.
Oil is vital in screw compressors for lubrication, rotor sealing and cooling. Higher efficiency heat exchangers coupled with variable speed operation and smart controls elevate the system efficiency to a whole new level. User manuals, york chiller operating guides and service manuals. Check and ensure loading and unloading of chiller w. Chillerswater and aircooled chiller systems by york. The verasys plugandplay controls system integrates heating, ventilation, air conditioning and refrigeration hvacr equipment and controls without any. Pedce 1111 model yvaa air cooled screw compressor liquid chillers with variable speed drive style a 525 1225 kw 2 compressor. They are completely selfcontained and are designed for indoor new or retrofit installation. In addition, the chiller will be disabled if all circuits are disabled, or if there is a unit alarm. York chiller compressor overhauling manual pdf manuals library.
Highefficiency oil separator maxe yr screw chillers utilize highefficiency oil separation, limiting oil carryover to less than 500 ppm. The chiller may be disabled via the unit switch, the remote switch, the keypad enable setting, or the bas network. Ylcs watercooled or remote aircooled screw compressor chiller. Water treatment this service provides all of the necessary chemicals to properly treat each water system for the period designated. The chiller is completely selfcontained and is designed for outdoor installation. The following discussion is a users guide in the applica tion and installation of. The york yvfa freecooling vsd screw chiller the york legacy of innovation continues with york yvfa freecooling chillers, delivering the lowest possible yearly energy consumption and lifecycle costs with payback in less than two years by combining superior engineering and technology in a packaged design thats simple to own and operate. York yvaa air cooled vsd chiller presentation part 2 free download as powerpoint presentation. Chillers are a key component of air conditioning systems for large buildings. Yvwa chiller startup checklist and request for authorized startup technician 201. This switch allows the operator to turn the entire chiller off, if desired. Eco2 ycas0515eb, eco2 ycas0555eb, eco2 ycas0605eb, eco2 ycas0575eb, eco2 ycas0475eb. Aircooled screw liquid chillers with variable speed drive. It ensures all the air cooled chiller products work reliably in all temperature condition.
Unit model lsblgcw380c lsblgcw500c lsblgw600c lsblgw720c cooling capacity kw 376 496 594 720 power supply 380v3p50hz rated power consumption kw 124 159 187 234 compressor type semi hermetic, twin screw compressor. Installation, operation, maintenance supersedes 150. This manual is intended for experienced service personnel familiar with the proper use. Startup, operation and maintenance instructions carrier. Yvaa style a aircooled screw liquid chillers with variable speed. Ductless and vrf systems a modular design and large variety of system options help make york ductless minisplit and variablerefrigerant flow vrf systems the best choice for challenging installations. This manual is prepared to provide all the necessary information of installation, operation and maintenance of the latest generation of dunhambush aircooled chillers with scroll compressors. Ys chillers can easily adapt for industrial applications. Any time the switch is in the off position, a status message indication will be displayed. Chillers include zeroozonedepletion refrigerant r410a, hermetic scroll compressors, a liquid evaporator, aircooled condenser, and a weather resistant microprocessor control center, all mounted on a formed steel base. Technical data aquaforce 30xwp 30xwhp watercooled screw chiller. Remote emergency cutoff immediate shutdown of the chiller can be accomplished by opening a field. Model yr twinscrew compressor liquid chillers design.
York ycrs indoor screw chiller models provide chilled water for all air conditioning applications that use central station air handling or terminal units. We own york chiller compressor overhauling manual epub, djvu, txt, pdf, doc formats. Aircooled screw chillers mcquay aws operatihg manual. York water cooled chiller model yk style e installation. Yvwa style a watercooled screw compressor liquid chiller with. The high and low oil sight glass in the oil seperator show full however, the low level glass to the left side of the seperator shows empty. Witness testing service is optional for all the clients to ensure the product performance. Refrigeration loop overcharged consult a qualified refrigeration technician inadequate air flow requirement is cfmton. No constantspeed chiller, not even a high efficiency model, can match the performance of a york vsd under realworld operating conditions. I have an interesting problem that perhaps someone can give an answer to. P process water chillers flamingo chillers mfg chiller. Check and ensure flow of oil in oil separator through view class.
Smaller chiller footprint saves valuable space tempo is the lowest weight chiller available, lighter than our previous generation chiller by 0 5% hydronic pump kit option can save both space and cost by integrating the chilled water pumps as a factory mounted chiller option standard low sound and affordable sound attenuation op. If the chiller is disabled, the unit status display will reflect this and also show why it. However, ahri has recently announced a voluntary certification program for the sub 200tr range. In order to be able to make full use of the manual, you must first determine your unit model number from the unit name plate. They are completely selfcontained and are designed for outdoor roof or ground level installation. Screw chiller working principle pdf these principles are increasingly applied. Smart purge is included to eliminate the need for time consuming manual purging of the chiller system. A client asked if he could use a york packaged chiller it is the one with the frick screw mounted, upside down above the chiller i think it is a tdsh 163 short 200 hp, was used for ac water chilling but now he wants to chill a salt brine solution to 40 degress f. York aircooled chillers have earned the trusted ahri certified mark, an assurance of the products. Model ylaa aircooled scroll chillers style a 57 142 ton 200 500 kw 50 hz r410a form 150. They are completely selfcontained and are designed for outdoor installation. In addition, the plan should include one or more of the following preventive maintenance services. Operation maintenance manual geardriven centrifugal water. Designed for great versatility and for a maximum efficiency where 99% of the cooling season is spent at offdesign conditions.
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