Daikin mcquay aws170bds vfd chiller installation manual pdf. Mcquay water cooled chillers model whr 040 to 240 vintage d. This manual is a technical aid and does not represent a binding offer for mcquay. Mcquay is participating in the eurovent certification program. General faults alarm led 4level password access to modify the setting service report displaying. The chillers use refrigerant r4a to reduce the size and weight of. Controller software is factory installed and tested in each panel prior to shipment. The history of mcquay includes more than a century of successful activity.
The chiller uses r4a refrigerant and operates at positive pressures. Compressors, filterdriers, and manual liquid line shutoff valves are accessible on each side of the unit adjacent to. Mcquay air cooled screw chiller daikin appliedwater cooled. May 01, 2008 i would put an als c up against any other screw chiller out there. This manual provides information about the features and. North america, europe and asia together with sales and service offices in 75 countries. Mcquay airconditioning limited aircooled screw chiller. We have a few a vintage machines that we have maintained from start up still running with the original compressors in them.
This manual provides installation, setup and troubleshooting information for the microtech controller provided on mcquay screw compressor chillers. The mcquay als aircooled chillers are equipped with mcquay single rotor screw. E hall, specializing in the production of refrigeration and freezing equipment, was founded. Mcquay water cooled chillers model whr 040 to 240 vintage. Requirement of service manual of mcquay screw compressor. Mcquay water cooled screw chiller service manual hipatia. Service access each end of the unit must be accessible after installation for periodic service. Feb 21, 2014 we have a few a vintage machines that we have maintained from start up still running with the original compressors in them. Aircooled screw chillers mcquay aws operatihg manual.
Mcquay aircooled screw chiller model als 070a to 425a iom manual june 1999 back to top sales ralph. Compressors are equipped with suction and discharge service valves. Mcquay air cooled chiller model als 070a to 425a iom. Mcquay aircooled screw chiller model als 070a to 425a iom manual june 1999. Item diagram description jeh pno mcq pno 205 220 235 air cooled replacement compressors 115v aux overhauled ns ns hsa205 compressor r4a 40046035060 axial suct cover n01530050 rt50234033 na na na ns ns hsa205 compressor r407c 40046035060 axial suct cover n01530055 na na na na ns ns hsa220 compressor r4a 40046035060 axial suct cover.
All operational descriptions contained in this manual refer to control software ver. May 24, 2011 mcquay als r22 screw chiller any recommendations on compressor replacement on mcquay screw, i have recovered the all refrigerant charge and replace a the faulty exv motor and guts, due to shot windings. All operating descriptions contained in this manual are based on the current microtech controller software version at time of publication. Product manual screw compressor controlled by microprocessor system. Komac0060709en 3 introduction this manual provides setup, operating, troubleshooting and maintenance information for the mcquay aws chillers. Daikin mcquay aws170bds vfd chiller installation manual. Chillers air cooled and water cooled chillers daikin. Mar 18, 2012 complete service repair manual for 20012004 nissan pathfinder. Mcquay application manual, am als whs, contains more detail on this subject. Unit 901905, 9f,elite centre, 22 hung to road, kwun tong, kowloon,hong kong. She specialized in the supply and service of air conditioning, ventilation and heating equipment, as well.
Mcquay air cooled rotary problems hvac r engineering. November 2011 watercooled scroll compressor chillers wgz030dw to wgz200dw, packaged watercooled chiller wgz030da to wgz200da, chiller with remote condenser 30 to 200 tons, 105 to 700 kw r410a 5060 hertz software version wgzdu0102f. Database contains 2 mcquay wsc manuals available for free online viewing or downloading in pdf. And as for all of mcqdaikin chillers being junk people tend to dislike what they know nothing about. Compressors, filterdriers, and manual liquid line shutoff valves are accessible on. This specification is applicable to all types of national chiller watercooled chiller, including the installation, use, operation and maintenance of the unit. Jul 01, 2018 komac0060709en 3 introduction this manual provides setup, operating, troubleshooting and maintenance information for the mcquay aws chillers. Mcquay air cooled chiller model als 070a to 425a iom manual 1999.
Mcquay overhaul manual compiled pdf, doc, ppt screw compressor rebuilding manuals toolbar for pdf files. Please refer to installation manual im548 for unit application information as well as water and refrigerant piping details. They are manufactured by mcquay to satisfy the requirements of the consultants and the end user. Seasonpak packaged air cooled water chilled with screw. Microtech control system for aircooled screw compressors.
Liquid refrigerant injection system all screw compressors require a fluid to be injected into the compression area for the removal of heat and to seal potential leakage paths. Contact mcquay technical response center at 18773497782 for information on specific code. Watercooled screw chillers new mcquay air cooled chillers and. Mcquay air cooled mcpower are a new range of chillers using the last generation of mcquay stargate tm frame 4 single screw compressors. Air cooled chiller with scroll compressors cooling capacity. Mcquay wsc manuals and user guides, chiller, controller. Purpose of the manual the manual allows the installer and the operator to perform correctly all the required operations for unit installation and maintenance without any damages to the chiller or to qualified personnel. Mcenergy air cooled screw chiller mcenergy is the solution for the most stringent requirements of comfort cooling, ice storage and process applications, in 177kw. Not all information on this chiller is already present in this service manual. User manuals, mcquay chiller operating guides and service manuals. Mcquay als air cooled chiller 125b 425b product manual 1999 mcquay application manual, am alswhs, contains more detail on this subject. Today, mcquay possesses more than manufacturing plants occupying some 200,000 square meters on three continents.
Chiller operating characteristics and menu selections may differ from those of other versions of the control software. Aircooled screw chillers mcquay aws operatihg manual service is one of the most valuable key chains in mcquay, any product from mcquay is our critical care business and element. Service report displaying all running hours and general conditions. Each end of the unit must be accessible after installation for periodic service work. Product manual als2 als 125b 425b 9 characteristic for the singlescrew compressor, bearing life can be designed much higher compared to twinscrews. Mcquay application manual, am alswhs, contains more detail on this subject. In the past 5 years i have seen, worked on, inspected, and maintained tons of als c chillers and only ever had 1, yes 1 compressor go bad, and that was a shorted motor not a mechanical failure. Download installation manual of daikin mcquay aws170bds vfd chiller for free or view it online on. Access free mcquay water cooled screw chiller service manual. Download peh mcquay centrifugal chiller service manual pdf awesome animal jokes 51. Product manual als4 als 141c 420c 3 introduction the mcquay als aircooled chillers are equipped with mcquay singlerotor screw compressors, high efficiency lanced condenser fins, multicircuit dx evaporator and fuzzy logic microtech control theory to offer the utmost in quiet and efficient operation. When replacing one of these old compressors with the new type please advise the model number and. Often used in conjunction with coils in air handlers, chillers receive warm fluid from the air handler coil or process load, lower the temperature of the fluid, then a pump returns the fluid to the air handler coil or process. The high pressure control is located in the control panel when using the global unt controller, and on the compressor when using the microtech controller.
It has been designed for minimising energy cost and maximising cooling capacity. C18ajynn, ewap850c18ajynna aircooled chillers equipped with screw compressor. Compressors, filterdriers, and manual liquid line shutoff valves are accessible on each side of the unit adjacent to the control box. Our main service facility is located in dallas, texas. Water screw chiller mcquay als, pfs c technical manual.
Table 2 contains the list of modbus data points available from the microtech iii chiller unit controller depending on the chiller model and corresponding unit controller application software. Aftermarket sales literature daikin applied daikin. The chiller may be disabled via the unit switch, the remote switch, the keypad enable setting, or the bas network. This manual provides setup, operating, troubleshooting and maintenance information for the mcquay aws chillers. Mcquay shall assume no liability whatsoever for any direct or indirect damage, in the widest sense of the term, ensuing from or connected with the use andor interpretation of this manual. Download peh mcquay centrifugal chiller service manual pdf. Chiller, screw, als 125a thru als 380a 695 catalog 9403 aircooled screw chiller, type als 125a thru als 380a daikin vision air handler extended sizes cat 5656 107g to 169g, 107 to 169 tons optiline vertical stacking fan coil catalog 300 through 1200 cfm. Mcquay international introduces its newest air cooled screw chillers equipped with new single screw compressors. If the chiller is disabled, the unit status display will reflect this and also show why it is disabled. It is equipped with mcquay frame3100frame3200 single screw compressors. Peh mcquay centrifugal chiller service manual download peh mcquay centrifugal chiller service manual in pdf and or epub.
This is the same type of service manual bagianbagian water chiller mcquay pdf pdf no two mcquay 375ton centrifugal chillers helped save the service and teardown manuals for mcquay ice and the season for the calgary flames of the national hockey. She specialized in the supply and service of air conditioning, ventilation and heating equipment, as. Mcquay water cooled centrifugal chiller service manual. The current production compressors now have these items fitted internally. Manufacturers service centres are the only having adequate technical skill for maintenance. Installation, operation, and maintenance instruction for water cooled chiller water cooled chiller manual page 6 item max. With that being said yes the c vintage als is much more user friendly to the average non mcq chiller tech. Chillers make cold water or waterglycol fluid mixture in order to cool buildings or processes.
For the operation specification of microcomputer control, please refer to national chiller. Mcquay type seasonpak air cooled water chillers are complete. Chillers built before serial number 021531 november 2002 use compressors with external oil filter and oil tubing. Pdf mcquay screw compressor ags service manual read. Service report displaying all running hours and general condition. Mcquay air cooled als are a new range of chillers using the last generation of mcquay frame 3200 single screw compressors. Warning before starting the installation of the unit, please read this manual carefully. See the current version of mcquay product manual pm als for more detailed information on the subject of air recirculation. The aws chillers use the new very high efficiency mcquay single rotor screw compressor design, large condenser coil surface area for maximum heat transfer and low discharge pressure, advanced technology. Chillers air cooled and water cooled chillers daikin applied. Service access each end of the unit must be accessible after installation for periodic service work. Installation, operation, and maintenance instruction for. Important notice this manual for the ewwqajynn chillers is a draft. With a diligent workforce of over 15,000, mcquay is dedicated to producing the best quality equipment in the air conditioning industry.
Mcquay has drawn up this manual to the best of its knowledge. Compressors, filterdriers, and manual liquid line shutoff valves are accessible. Mcquay als units are designed to minimise energy costs while maximising the refrigeration capacities. In addition, the chiller will be disabled if all circuits are disabled, or if there is a unit alarm. Product manual als 5 als 141c 218c 3 introduction the mcquay als aircooled chillers are equipped with mcquay singlerotor screw compressors, high efficiency lanced condenser fins, multicircuit dx evaporator and fuzzy logic microtech control theory to offer the utmost in quiet and efficient operation. Mcquay product manual pm als for more detailed information on the subject of air recirculation. The mcquay als aircooled chillers are equipped with mcquay singlerotor screw. User manuals, guides and specifications for your mcquay wsc chiller, controller.
Mcquay watercooled chiller model whr 040 to 240 vintage d brochure. Jun 14, 2019 mcquay screw compressor service manual. Mcquay international mcquay airconditioning limited. Mcquays chiller design experience, combined with outstanding features makes the als e chiller unmatched in the industry. Mcquay air cooled chiller model als 070a to 425a iom manual. This version of daikin mcquay aws170bds vfd manual compatible with such list of devices, as. Each end of the unit must be accessible after installation for.
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