Cut operation noise still further with factorydesigned and tested sound attenuators or silencers. 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. All options cooling towers closed circuit cooling towers hybrid evaporative condensers ice thermal storage remote sump tanks equipment controls parts and services. Pdf using variable speed drives for evaporative condensers. Capacities ranging from 7 to 2,734 ammonia tons in a single unit. Evapco is dedicated to designing and manufacturing the highest quality products for the evaporative cooling and industrial refrigeration markets around the globe. Pdf research status of evaporative condenser researchgate. 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. The coils can either utilize evaporative or dry cooling, rather than both at once.
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. Contact your local bac representative for more information. Our xlp2 evaporative condensers are forced draft style industrial condensers that combine low energy consumption with easy maintenance access for a oneofakind cooling system. Q u a lmtd where q heat reject, btuhr u transfer coefficient a surface area, e. 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. 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. Evaporative condensers are a proven, costeffective method of increasing air conditioning and refrigeration capacity, and reducing peak demand. Large inventory of new surplus stock locations throughout the u. Inspect and maintain safely cxve condensers with unrivalled comfort, while standing inside. 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 condensers are the preferred method of condensing the hot gas that is discharged from a refrigeration system.
Before testing any evaporative condenser air precoolers, a set of baseline tests were obtained for a 4ton rtu. Using variable speed drives for evaporative condensers article pdf available in ashrae journal 478. In this manual, we will explore the principles of piping evaporative condensers, beginning with single condensers and exploring multiple condenser installations as well as. Bac ice thermal storage systems are used in air conditioning applications which optimally exploit the electrical demand shifting and low temperature cooling water. Bac evaporative condenser, model vc1n230pu, sn u01682401, 218 tons of r22 refrigerant at 105f condensing temperature, 20f suction temperature and 78f entering wet bulb. 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. Evaporative condensers have a high daily water consumption rate but in return they offer reduced. 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. Singleside air inlet, and a quieter condenser rear for more noisesensitive areas. Besides providing support, the steel also serves to raise the unit above any solid foundation which might restrict air movement or prevent.
Inspection of water distribution system spray branches and nozzles possible outside the unit, during operation. Evaporative condensers provide heat rejection for many types of systems, and the specific application will largely determine which bac evaporative condenser. Capacities ranging from 7 to 2,734 ammonia tons in a single unit factory assembled accessories that reduce. Specifically, a unit was shake table tested at an independent lab in accordance with ac 156. With over 75 years of experience designing and manufacturing evaporative. Cxvt cooling towers, evaporative condensers, ice thermal. Evapco supports its worldwide customers with manufacturing facilities and. The term evaporative condenser is defined as comprising a. This handbook includes data current at the time of publication, which should be reconfirmed at the time of purchase. The breadth of its tonnage range, 48 775 ammonia tons, makes it an excellent choice for either. Genemco sells used industrial ammonia refrigeration equipment, evaporative condensers baltimore aircoil company, bac, evapco, recold 15 ton to 1,500 ton units. Condensation takes place within the tubes of a heat exchanger coil. Pdf xlp2 evaporative condensers a reliable, premium.
This superefficient evaporative condenser minimizes energy consumption by providing lower condensing temperatures through high efficiency, low horsepower axial fans. Xlp2 evaporative condenser heat transfer coil section casing drift eliminators coil spray branches. Vxc evaporative condensers include quiet internal centrifugal fans for minimal surrounding noise. Bac offers the most complete line of evaporative condenser products in the world. To obtain optimum performance and maximum service life, it is important that a program. Evaporative condensers or closed circuit evaporative cooling towers have a heat exchanger or coil within the tower instead of a fill pack. This patented combined flow design from bac ensures unrivalled efficient heat rejection at the lowest possible energy input.
T e c h n i c a l d a t a vxt cooling towers bac australia. Bac evaporative condensers models cxv, cxvt, vc2, vxmc, vc1. Home literature library bac evaporative condensers models cxv, cxvt, vc2, vxmc, vc1, vc1c, vcl brochure. Performance optimization of the evaporative condenser design. It automatically optimizes water and energy savings while delivering the lowest total cost of ownership with easy maintenance. Cxvb cooling towers, evaporative condensers, ice thermal. Bac evaporative condenser engineering manual alberta. Xlp2 evaporative condensers a reliable, premium quality product with longterm low cost of ownership. Lmtd mean logarithmic temperature in our experience, this formula has proved successful enough in terms of interpretation of unit specifications, as. Uptodate engineering data, free product selection software and more can be found at. Interested in the vxc condenser for your industrial refrigeration application. Technical datafxv 642 to 662 and fxvq660 to q661 model. Its low refrigerant charge minimizes costs of vessels and impact on environment. 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 purpose of this measure guideline on evaporative condensers is to provide information on a. High efficiency evaporative condensers for air conditioning. 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. They provide the most energy efficient method for rejecting heat from any. Bac offers a broad choice of condensers to provide an optimal solution for each and every application requirement. 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. 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 cooling towers, closed circuit. With over 75 years of experience designing and manufacturing evaporative condensers, we have a unit to meet your application. 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. Evaporative condenser using latent heat reduces water resources waste, with energysaving advantages.
Evaporative condensers may play a key role in meeting. Reducing water use in cooling towers and evaporative condensers. The recommended support arrangement for bac vx cooling towers is two i beams running the full length of the unit. Xlp2 evaporative condensers a reliable, premium quality product with longterm low cost of ownership form 140. We are always mindful of the needs of our customers for whom we design and manufacture products tailored to their specific. Evaporative condenser brochure baltimore aircoil company.
Downloads vxc refrigerant condenser vxc evaporative condenser brochure bac condenser overview operating and maintenance vxc rigging and installation vxc. Oct 20, 2014 unsubscribe from baltimore aircoil company. Bac evaporative condensers models cxv, cxvt, vc2, vxmc, vc1, vc1c, vcl brochure. Evaporative condensers or closed circuit evaporative cooling towers have a heat exchanger or coil within the tower instead. 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. The main advantage of evaporative condenser use is less area required for construction and more efficiency than the cooling tower and condenser. The information contained within this section is geared towards the use of evaporative condensers in the hvac and light industrial markets only. This is how the heat that is removed from the cold storechilling process is discharged to the atmosphere. Evaporative condensers xlp2 by frick johnson controls. Largescale air conditioning systems use evaporative condensers and offer performance superior to water or aircooled packaged chillers in multiple aspects. The rcc evaporative condenser is being offered to the market, complementing and completing bac s already impressive array of products. Pdf reducing energy consumption, saving water resources. 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. 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 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 condenser basic design and performance can be numerically examined using newtons equation. Jan 05, 2001 the purpose of an evaporative condenser is to condense highpressure refrigerant vapor from the compressor to highpressure liquid. Bac offers evaporative condensers in six different styles to suit every industry application. Cxvb evaporative condensers are available with single model capacities ranging from 75 to 1,287 r717 tons in a single unit. There may also be water losses at the water treatment plant. Bac refrigeration controls the cxvt evaporative condenser is perfect for applications where size matters. Evaporative cooling plus unique combined heat transfer system for minimized systemwide energy consumption. Used motors available great prices teco westinghouse lincoln weg baldor us motor abb motors and drives phone 6029970403. 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. 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. The trilliumseries adiabatic condenser is always the best heat rejection solution compared to a traditional aircooled condenser. Bac condenser coils are standard available at a design pressure of 23 bar, and are pneumatically tested at 34 bar. 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.
Used evaporative condensers equipnet is the worlds leading provider of used evaporative condensers and numerous other preowned equipment. Marley has integrated numerous elements into the design to ensure each cube condenser is a wellengineered, robust and reliable product, built to last. We ship in one piece for easy onsite lifting and installation vcl offers high capacity and minimum operating weight. The available product configurations table on the next page is intended as a general guide. Tests were conducted before and after testing to verify functionality and certify the use of xlp2 evaporative condensers in. 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. High efficiency evaporative condensers for air conditioning, t. 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. Evaporative condenser, used ammonia evap condensers. 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.
The standard condensing coil is constructed of continuous lengths of all prime surface steel, hotdip galvanised after fabrication hdgaf. 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. Operating and maintenance instructions bac australia. Evaporative condensers are the industry standard energy efficient option for your. Improving on an already successful product, bac is proud to announce the. Axial fan uses half the energy of similar centrifugal fan units.
Cxv models deliver efficient performance in an easytomaintain package. Evaporative condenser expected useful life ashrae service life estimate. The rcc evaporative condenser is being offered to the market, complementing and completing bacs already impressive array of products. Pdf evaporative condensers j1 product detail andres. Cooling towers, evaporative condensers, fluid coolers, closed circuit coolers and air conditioning units. Bac evaporative condensers models cxv, cxvt, vc2, vxmc. The breadth of its tonnage range, 48 775 ammonia tons, makes it an excellent choice for either replacement opportunities or new constructionexpansion projects. 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.
1172 1099 233 1006 466 161 1292 1343 318 118 477 741 1232 406 820 1127 258 1143 1114 2 296 305 1250 361 1004 741 368 889 753 552 1489 1281 1272 254 1311 178 791 1272 1183 921 647