This patented combined flow design from bac ensures unrivalled efficient heat rejection at the lowest possible energy input. Evaporative condenser using latent heat reduces water resources waste, with energysaving advantages. In this manual, we will explore the principles of piping evaporative condensers, beginning with single condensers and exploring multiple condenser installations as well as. Evaporative condensers provide heat rejection for many types of systems, and the specific application will largely determine which bac evaporative condenser. Evaporative condensers also require less coil surface and airflow compared to aircooled condensers, further improving performance and lowering sound levels. Specifically, a unit was shake table tested at an independent lab in accordance with ac 156. The term evaporative condenser is defined as comprising a. Tests were conducted before and after testing to verify functionality and certify the use of xlp2 evaporative condensers in.
Capacities ranging from 7 to 2,734 ammonia tons in a single unit. Monitoring the amount of water used in each step of the process enables the water efficiency of the cooling towers and evaporative condenser installations to be determined. Singleside air inlet, and a quieter condenser rear for more noisesensitive areas. The rcc evaporative condenser is being offered to the market, complementing and completing bacs already impressive array of products. High efficiency evaporative condensers for air conditioning. The 4ton rtu was chosen in order to enable testing in a laboratory scale environmental chamber, however, evaporative condenser air precoolers tested in this study are designed for installation on cooling equipment between 350 tons. Evaporative condenser overview section bac condenser coils are standard available at a design pressure of 23 bar, and are pneumatically tested at 34 bar. Bac condenser coils are standard available at a design pressure of 23 bar, and are pneumatically tested at 34 bar. Technical datafxv 642 to 662 and fxvq660 to q661 model.
Evapco supports its worldwide customers with manufacturing facilities and. Operating and maintenance instructions bac australia. Our xlp2 evaporative condensers are forced draft style industrial condensers that combine low energy consumption with easy maintenance access for a oneofakind cooling system. Using variable speed drives for evaporative condensers article pdf available in ashrae journal 478.
Evaporative condensers have a high daily water consumption rate but in return they offer reduced. Our exclusive contracts with our clients yield a wide range of used evaporative condensers from a number of respected oems, including fes, savant instruments, recold, and more. Most of this attention needs to be focused on the liquid drain line from the outlet of the evaporative condenser to the high pressure receiver. Evaporative condenser, used ammonia evap condensers.
Evaporative condensers are a proven, costeffective method of increasing air conditioning and refrigeration capacity, and reducing peak demand. We ship in one piece for easy onsite lifting and installation vcl offers high capacity and minimum operating weight. Axial fan uses half the energy of similar centrifugal fan units. The rcc evaporative condenser is being offered to the market, complementing and completing bac s already impressive array of products. Vxcvxcc evaporative condensers operating and maintenance instructions b altimore aircoil company vx equipment has been designed to give long, troublefree service when properly installed, operated, and maintained. Cxvt cooling towers, evaporative condensers, ice thermal. Lsce evaporative condenser evaporative condenser initial storage andor idle period recommendations if the unit will sit for idle periods of time it is recommended that the following be performed in addition to all component manufacturers recommended maintenance instructions. High efficiency evaporative condensers for air conditioning, t. Evaporative condenser control in industrial refrigeration systems article pdf available in international journal of refrigeration 247. With over 75 years of experience designing and manufacturing evaporative condensers, we have a unit to meet your application. Cxvb cooling towers, evaporative condensers, ice thermal. Inspection of water distribution system spray branches and nozzles possible outside the unit, during operation. Performance optimization of the evaporative condenser design.
Bac evaporative condenser engineering manual alberta. Besides providing support, the steel also serves to raise the unit above any solid foundation which might restrict air movement or prevent. All options cooling towers closed circuit cooling towers hybrid evaporative condensers ice thermal storage remote sump tanks equipment controls parts and services. Contact your local bac representative for more information.
Pdf research status of evaporative condenser researchgate. Largescale air conditioning systems use evaporative condensers and offer performance superior to water or aircooled packaged chillers in multiple aspects. Evaporative condensers are the industry standard energy efficient option for your. Xlp2 evaporative condenser heat transfer coil section casing drift eliminators coil spray branches. Oct 20, 2014 unsubscribe from baltimore aircoil company. Mtca evaporative condenser evapcos mt series of closed circuit coolers is the first in the industry to feature composite fibreglass panels formed entirely by an advanced, environmentally friendly, lrtm closed mould manufacturing process. Downloads vxc refrigerant condenser vxc evaporative condenser brochure bac condenser overview operating and maintenance vxc rigging and installation vxc. We are always mindful of the needs of our customers for whom we design and manufacture products tailored to their specific. Condensation takes place within the tubes of a heat exchanger coil.
An aircooled condenser is less effective because it draws ambient air over the condensing surface and rejects heat to the ambient air at the dry bulb temperature. Evaporative condensers are the preferred method of condensing the hot gas that is discharged from a refrigeration system. Evaporative condensers ecs utilize the efficiency of evaporative cooling to cool entering condenser air at the condensing unit, while also providing dehumidification identical to a conventional air conditioning system. Interested in the vxc condenser for your industrial refrigeration application. Reducing water use in cooling towers and evaporative condensers. Evapco is dedicated to designing and manufacturing the highest quality products for the evaporative cooling and industrial refrigeration markets around the globe. T e c h n i c a l d a t a vxt cooling towers bac australia.
Closed circuit cooling towers provide evaporative cooling for many types of systems, and the specific application will largely determine which bac closed circuit cooling tower is best suited for a project. The recommended support arrangement for bac vx cooling towers is two i beams running the full length of the unit. There may also be water losses at the water treatment plant. Genemco sells used industrial ammonia refrigeration equipment, evaporative condensers baltimore aircoil company, bac, evapco, recold 15 ton to 1,500 ton units. Apr 15, 2020 an evaporative condenser is a device which facilitates the condensation, or return to a liquid state, of a hot gas or vapor in a tube system using the evaporation of water flowing over the tubes. Evaporative condensers or closed circuit evaporative cooling towers have a heat exchanger or coil within the tower instead of a fill pack.
The standard condensing coil is constructed of continuous lengths of all prime surface steel, hotdip galvanised after fabrication hdgaf. In simple terms, an evaporative condenser uses a system of tubes exposed to a constant flow of water to cool and condense a hot gas. Evaporative condensers or closed circuit evaporative cooling towers have a heat exchanger or coil within the tower instead. Jan 05, 2001 the purpose of an evaporative condenser is to condense highpressure refrigerant vapor from the compressor to highpressure liquid. Evaporative condenser basic design and performance can be numerically examined using newtons equation. The available product configurations table on the next page is intended as a general guide. Cut operation noise still further with factorydesigned and tested sound attenuators or silencers.
Since 1975 we have offered cooling towers, evaporative coolers and evaporative condensers for every kind of application in air conditioning systems, industrial plants, industrial refrigeration and cold chain applications. Uptodate engineering data, free product selection software and more can be found at. This handbook includes data current at the time of publication, which should be reconfirmed at the time of purchase. Bac evaporative condensers models cxv, cxvt, vc2, vxmc, vc1, vc1c, vcl brochure. Marley has integrated numerous elements into the design to ensure each cube condenser is a wellengineered, robust and reliable product, built to last. Pdf evaporative condensers j1 product detail andres. On vxis industrial fluid coolers and vxcs evaporative condensers, start the pump and check for the proper rotation as indicated by the arrow on the pump cover. Bac refrigeration controls the cxvt evaporative condenser is perfect for applications where size matters. Pdf reducing energy consumption, saving water resources. Evaporative condenser brochure baltimore aircoil company. Depending on capacity needs, the unit is capable of running either entirely in dry mode, 50% of the unit in wet mode, or the entire unit in wetmode, the end result being a significant drop in water consumption compared to wholly evaporative cooling units.
This is how the heat that is removed from the cold storechilling process is discharged to the atmosphere. Bac evaporative condensers models cxv, cxvt, vc2, vxmc. Xlp2 evaporative condensers a reliable, premium quality product with longterm low cost of ownership form 140. On installations where the unit pump was not furnished by the factory, a globe valve should be installed in the pump discharge line and the pump flow rate adjusted to the correct. Bac evaporative condensers models cxv, cxvt, vc2, vxmc, vc1. Cooling towers, evaporative condensers, fluid coolers, closed circuit coolers and air conditioning units. This superefficient evaporative condenser minimizes energy consumption by providing lower condensing temperatures through high efficiency, low horsepower axial fans. It automatically optimizes water and energy savings while delivering the lowest total cost of ownership with easy maintenance. The trilliumseries adiabatic condenser is always the best heat rejection solution compared to a traditional aircooled condenser. They provide the most energy efficient method for rejecting heat from any. The main advantage of evaporative condenser use is less area required for construction and more efficiency than the cooling tower and condenser.
Evaporative condensers may play a key role in meeting building america performance goals in new homes, and also in existing homes that have high loads due to substandard wall insulation and windows, that are much more costly to upgrade. Lsce evaporative condenser evaporative condenser overview section bac condenser coils are standard available at a design pressure of 23 bar, and are pneumatically tested at 34 bar. Water is sprayed over the tube surface and a portion of this water is evaporated through contact with the tubes and outside air passing through. Home literature library bac evaporative condensers models cxv, cxvt, vc2, vxmc, vc1, vc1c, vcl brochure. Here you will find downloadable versions of all bac s brochures, manuals, and a complete collection of technical resources on bac products and industry information. Cxvb evaporative condensers are available with single model capacities ranging from 75 to 1,287 r717 tons in a single unit. The purpose of this measure guideline on evaporative condensers is to provide information on a. To obtain optimum performance and maximum service life, it is important that a program. Evaporative condenser expected useful life ashrae service life estimate. Bac offers the most complete line of evaporative condenser products in the world. Improving on an already successful product, bac is proud to announce the. Evaporative condensers provide heat rejection for many types of systems, and the specific application will largely determine which bac evaporative condenser is best suited for a project.
Evaporative cooling plus unique combined heat transfer system for minimized systemwide energy consumption. Capacities ranging from 7 to 2,734 ammonia tons in a single unit factory assembled accessories that reduce. Inspect and maintain safely cxve condensers with unrivalled comfort, while standing inside. Vxc evaporative condensers include quiet internal centrifugal fans for minimal surrounding noise. Background evaporative condensers came into common use for nearly all refrigeration systems because of their operating advantages over the combination of cooling towers and condensers. The cxvt provides the added value of reduced operating costs, improved reliability, and a cost effective solution to both the owner and the installing contractor for large projects. Before testing any evaporative condenser air precoolers, a set of baseline tests were obtained for a 4ton rtu. The information contained within this section is geared towards the use of evaporative condensers in the hvac and light industrial markets only. Pdf evaporative condensers j1 product detail andres phun. Bac ice thermal storage systems are used in air conditioning applications which optimally exploit the electrical demand shifting and low temperature cooling water. This is due to the fact that the reduction in compressor power consumption is greater than the increase in relative condenser fan and pump power. Used evaporative condensers equipnet is the worlds leading provider of used evaporative condensers and numerous other preowned equipment. The breadth of its tonnage range, 48 775 ammonia tons, makes it an excellent choice for either replacement opportunities or new constructionexpansion projects. Its low refrigerant charge minimizes costs of vessels and impact on environment.
Evaporative condensers cooling towers, closed circuit. The breadth of its tonnage range, 48 775 ammonia tons, makes it an excellent choice for either. Bac offers evaporative condensers in six different styles to suit every industry application. Bac s combined flow closed circuit cooling towers utilize parallel flow of air and spray water over the coil, and crossflow airwater flow through the wet deck surface. Used motors available great prices teco westinghouse lincoln weg baldor us motor abb motors and drives phone 6029970403. With over 75 years of experience designing and manufacturing evaporative. Evaporative condensers may play a key role in meeting. Pdf xlp2 evaporative condensers a reliable, premium. Water is distributed over the heat exchange coil and heat is extracted from the refrigerant or primary fluid circulating through the coil by the same evaporative process. Q u a lmtd where q heat reject, btuhr u transfer coefficient a surface area, e. Bac offers a broad choice of condensers to provide an optimal solution for each and every application requirement. Cxv models deliver efficient performance in an easytomaintain package.
Xlp2 evaporative condensers a reliable, premium quality product with longterm low cost of ownership. Evaporative condensers xlp2 by frick johnson controls. The coils can either utilize evaporative or dry cooling, rather than both at once. Ibc compliance xlp2 evaporative condensers are designed to meet requirements of the 2006 international building code ibc. Lmtd mean logarithmic temperature in our experience, this formula has proved successful enough in terms of interpretation of unit specifications, as. Bac evaporative condenser, model vc1n230pu, sn u01682401, 218 tons of r22 refrigerant at 105f condensing temperature, 20f suction temperature and 78f entering wet bulb. Large inventory of new surplus stock locations throughout the u. Pdf using variable speed drives for evaporative condensers.
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