Chillers chillers services for aircooled, watercooled, absorption and specialty drive chillers. Page 2 has a breakdown of all the equipment and their initial cost estimates, along with a. Implementing a preventative maintenance program with periodic scalebreakmp descalings will help keep your multistack modular chiller at. Page 1 includes a brief description of the systems analyzed, estimated annual costs for electricity and maintenance, as well as our opinion of probable cost for the equipment in each of the four schemes analyzed. Mcquay international im 837 microtech ii chiller unit controller bacnet communication moduleip or ethernet. Microtech ii chiller unit controller protocol information. If so would you be willing to let me look at it remotely so that i could gain further insight into your problems. Multistack is wellknown in the international air conditioning industry for its invention of modular chiller in 1985. Air cooled chiller product data catalog multistack.
To use this manual effectively, you must first identify your unit model from the unit nameplate. Multistack is the creator and leader of magnetic levitation oilfree centrifugal chillers and modular chillers. In this video we are removing defective compressors and preparing to install new ones. Preventive maintenance contract scope of work for airstack. Multistack oilfree centrifugal chillers and modular chillers are widely used in hotels, schools, hospitals and many other industries and sometimes used for energysaving retrofit purposes. Multistack water cooled chiller installation manual multistack water cooled chiller installation looking for york service manual 160. From proper startup through preventive and predictive maintenance to.
Temperature difference over heat exchanger is less than expected. Since its introduction in 2009 the multistack maglev flooded chiller has been a leader in efficiency, reliability, redundancy, sustainability and serviceability. Package your air cooled chiller with free cooling, pumps, glycol feeders, and many other hydronic accessories for ease of installation. Multistack water cooled chillers are designed and constructed under the modular technology patent. Your dunhambush package has been manufactured under a careful quality control system. Never replace a fuse with that of wrong rated current or. Individual orders will be issued using the fixed hourly rates identified below.
Optix is the logical progression and extension of multistack chiller development. Preventive maintenance is carried out on a periodic basis and ultimately the frequency in which its performed will be determined by the water supplied to your multistack chiller. The fixed hourly rates shall include wages, overhead, general and. Separate documents and instructions are available for operation and maintenance. Read and download mcquay screw compressor service manual.
A preventive maintenance cleaning of your brazed plate heat exchanger is recommended if. Today, the water cooled modular line includes options from as small as 10 tons. Are the good folks at multistack tweaking your chiller remotely, using vnc. Dec 14, 2014 in this video we are removing defective compressors and preparing to install new ones. Mcquay international imm ags microtech ii aircooled screw chiller installation and maintenance manual. Multistack modular chillers are inherently quieter than conventional systems. Multistack watercooled modular chillers multistack invented the modular chiller. We use a variety of techniques to limit sound output, including specially selected compressors and our trademark panel system. All refrigeration systems are factory charged and run tested. Less noise makes multistack the perfect choice for critical medical and business applications, as well as discerning homeowners. Multistack model ms20c, ms30c, ms50z, ms50b, ms70r, ms90r operation and maintenance. The multistack dhrc, by the very nature of a modular chiller, changes the application from difficult to simple because it gives you control of hot and cold water simultaneously, and most buildings have a constant heating and cooling requirement. Mcquay international im 736 microtech ii chiller unit controller bacnet communication modulemstp. Each module contains one or two compressors, with their associated evaporator and condenser coils, expansion valves, etc.
Whether it be a low cost, efficient scroll compressor solution or the ultraefficient magnetic bearing centrifugal compressor, multistack has the product line to satisfy even the most stringent project requirements for process loads to entire chiller plants. Chillers and modules for nearly any application, using environmentally friendly refrigerants. Multistack model ms20c, ms30c, ms50z, ms50b, ms70r, ms90r. The other columns give a listing of the bacnet object type, object instance, object enumeration, action, and reference name. C is default chilled outlet water temperature can be adjusted by wire controller according to. The resulting scale creates an insulating barrier minimizing heat transfer, reduced eer energy efficiency ratio and can result in corrosion potential issues. The american consulate in frankfurt requires preventive maintenance services for airstack multistack modular chiller system. Multistack also offers air cooled split units with remote condensers and air to water heat pumps in the modular platform. Lifecycle service for chillers maximize the return on your investment carrier provides efficient, reliable, environmentally sound chillers and the support services required to maximize their optimal and efficient performance. Aircooled modular chiller technical manual system outline 7 4. Use the unit model number nomenclature to identify specific features and options of an multistack chiller module. Each half module has its own refrigeration circuit with tandem twin scroll compressors, evaporator, condensor, and other sophisticated controls and protective devices. Iom manual, submittal documentation, cad drawings, other. The object identifier is the description of each point.
Switches are a multistack option, otherwise they are to field supplied and installed. Multistack oilfree centrifugal chillers and modular. Gen 2 a new generation of multistack maglev centrifugal chillers is here. Since its introduction in 2009 the multistack maglev flooded chiller has been a. Msras series modular air cooled scroll heat pump chiller. Installation manual has been prepared to serve as a guide to assist in the proper installation of the multistack modular chiller. For almost thirty years, multistack has led the industry with modular. Water cooled chiller installation manual introduction this multistack inc. After extensive development with water cooled system, the most advanced magnetic bearing oilfree compressor has now made it to air cooled system. Multistack modular chillers are available in a wide range of capacities, and with two. The optix controller platform takes a common sense approach to look at the whole picture and positions all the components of the chilled water distribution system to do what they do bestand at their peak efficiencies. Manual switch for redundant operationeach module has its own processor allowing operation even if master controller fails. Literature product sheets product catalogs case studies maintenance owners manuals.
Aircooled standalone asc chillers 20 thru 195 tons multistack. M1083a1 technical manual m1083a1 technical manual tm92320366201 m1083 series 5ton 6 x 6 medium tactical maintenance instructions, download smardt chiller operation manual. The chiller nameplate is located on the front of the control panel. The modular water chiller chipkin automation systems.
Installation, operation, and maintenance instruction for water cooled chiller water cooled chiller manual page 6 item max. Nov 17, 2014 performing preventive maintenance, pulled strainers and checked all electrical components. A fixed price order will be awarded for unscheduled work or urgently needed services. A multistack liquid chiller is composed of one or more modules operated by a master control, to provide chilled liquid to an external load circuit. View profile view forum posts view forum threads professional member join date sep 2011. Bacnet over tcpip setup table 3 is a listing of all the points available in a multistack chiller. Review this manual carefully before beginning the installation. This manual provides information on the proper installation, operation and maintenance requirements for multistack water cooled modular chillers. These services shall result in all systems being serviced under this agreement. Multistack s standard air cooled modular product line ranges from 10 to 840 tons. A chiller bank consists of multiple individual chiller modules connected in parallel to operate as a single machine, with cooling capacity to match the load demand by varying the number of operating modules. Turbo can provide assistance in locating qualified companies familiar with the. Incomplete improvement, repair, and maintenance may result in a water leakage, electric shock, and fire. In order to avoid electric shock, fire or injury, or if you detect any abnormality such as smell of fire, turn off the power supply and call your dealer for instructions.
Annual pm of airstack modular chillers cob sge50016q0035 the schedule. Multistack offers multiple packaged water cooled solutions with focuses on energy efficiency and reliability. Multistack recommends a paddletype switch be installed in the lea ving water piping of the chiller. Evaporator outlet water temperature inlet water temperature 24c 7c 15c 4c differential temperature between inlet and outlet 8c 2. Starting from 80 tons to 300 tons, the air cooled oilfree centrifugal chiller is capable of exceptionally high coefficient of performance cop and is capable of capacity control as low as 20%. Multistack model ms20c, ms30c, ms50z, ms50b, ms70r. Turbo does not engineer or design fluid chilling systems, ice systems, ice plants, or processing lines. Water cooled maglev centrifugal modular chiller multistack. The modular water chiller was invented by multistack.
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