Contractors vh fancoil units provide maximum performance while reducing installed cost to the contractor. Entering water 60oc, air 21ocdb, the same water flow as the cooling conditions. As you raise the air velocity, a coil will increase in capacity but. Certificates of completion are available on request. The cooling coil is a particular case of the heat exchanger modeling presented in section heat exchangers with and without dehumidification. The air on humidity will also effect the total load to sensible load ratio. Heating capacity in the table is the data of 2piping coil, 4piping coil is in page 25. Detail specifications are subject to change without prior notice. Special material or coatings dimensional limitations notes will be selected with the following unless otherwise noted. Available in four standard fin spacing 70 fin series is designed and used for applications re quiring high latent loads and for installations requiring low air pressure drop. The update includes enhanced features to aid customers selecting replacement hvac coils.
An ahus energy performance is greatly influenced by its heatingcooling coil energy performance, which is also greatly influenced by the different kinds of control methodologies such as pid control and fuzzy logic control. Custom air handling units coil selection guidelines dac sales. Available design or sizing the coil according customer requirement note. Whether your application requires a single refrigerant circuit, integral subcooler or multiple facesplits, coilmaster can design and build the precise refrigerant heat rejection coil for your application. Ruud makes it easy to find a financing option that works for you. Or capacity in mbh or tons refrigerant type r410, r22, r304, etc. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Colmac coil manufacturing inc online coil selection. Air handling cooling coils cooling coil in the main air handling unit ahu ahu cooling coil can use chilled water or refrigerant as direct expansion system. There are several equations that can be used in conjunction withthe colmac coilpro selection. Power metal technologies m sdn bhd lot 37830, jalan bukit naga, kampung bukit naga, section 32, 40460 shah alam, selangor darul ehsan. Selects a unit per second based upon your clients parameters.
Easy selection of the widest variety of coil options. If a higher coil is necessary it should be specified as 2 coils installed with a drip tray between them. Lanced fins provide maximum exposure of fin surface to air stream. Custom air handling units coil selection guidelines. Multitherm produces chilled water coils in every size, capacity, circuit pattern, and fintube configuration for comfortprocess cooling, and more. Due to compatibility issues with ms silverlight we had to abruptly pull our selection software program from general use. Online coil selection software coilpro is now available with new working fluids for the companys full range of heat pipes. When the sensible heat ratio is low, the coil selection is normally controlled by the total load even. The larger the coil, the deeper it tends to detect, but will have less sensitivity to. Identify coil selection criteria and factors affecting performance. The program was officially shut down december 31, 2017. Windowsbased coil selection program that can be used for freestanding coils, or coils installed in fancoils or air handlers. How an ac condenser works when the air conditioner cycles on to cool a home, the condenser unit located outdoors uses a compressor to change the freon gas into a liquid thats cold.
Fpi fh sine wave louvered th fl 12 58 coil information rd tubing 38 fin material aluminum. Concealed unit for installation above ceiling with sidewall supply, plenum return, and attenuated fan. Coilpro is capable of selecting and rating heat pipes with 58, 78, or 1inch. This higher temperature range allows for heat recovery from higher working temperature airstreams. The fluids expand the range of operating temperatures for heat pipes from 30 to 200c.
Berg, mechanical engineer, colmac coil manufacturing, inc. Mcquays selecttoolstm for contractor coils selection pro gram makes it easy to select the most economical standard or special. The coil is pressure and leak tested at 425 psig air under warm water, evacuated, dehydrated, and sealed with caps on connections. There are several equations that can be used in conjunction withthe colmac coilpro selection softwareprogram to speed the process of sizing coils. It conditions the air, provides heating and cooling, controls and maintains the temperature, and humidity, ensures air movement, air cleanliness, sound level, and pressure differential. Credit earned on completion of this program will be reported to ces records for aia members. Applications made easy well help you avoid lengthy contracts, headaches and hassles. Evaluate water coil selection choices at various water temperatures and flow rates. As you raise the air velocity, a coil will increase in capacity but will have a higher air resistance. Normally the total capacity load is checked first, however, the leaving dry bulb should always be checked.
Water coil sizing, heating and cooling unmet hours. Vrv is a modular, commercially applied airconditioning and heating system that distributes refrigerant, rather than water, from the outdoor unit to multiple indoor units providing efficiency, individual user control and reliability in one package. Understand the impact of both water and air velocities on coil performance. This option is used when the coil hand is not available or if the coil is to be used as a backup for quick replacement of either a right or left hand coil. Selection tips for airconditioning cooling systems air conditioning is a combined process that performs many functions simultaneously. Rows of coil selection rows of coil selection manu68 mechanical op 3 nov 14 04. The water coil model does result in a design capacity very near your calculations. Chilled water cooling coil selection example 4 chilled water coil worksheet example 5 chilled water coil worksheet 6 enthalpy of air, table 1 7 air density correction at altitude, table 2 7 air density correction at temperature, table 3 7 log mean temperature difference, table 4 8 basic capacity, figure 1, 8fpi 9 basic capacity, figure 2, 1ofpi 10. Select coils with wider fin spacing to reduce pressure drop. Dedicated configurable coil selection dll for accurate coil calculations. Coilfurnace matchup charts see bulletin 210163 indexed at the front of this tab section for complete coil to furnace matchup information. Refrigerant temperatures at direct expansion systems can be as low as 2 c. Condenser coil cfm entering dry bulb entering wet bulb gpm leaving air temp. The water or similar liquid passing through the heat exchanger is single phase, and the humid air is assumed to be moist enough that condensation on the heat exchanger surfaces is possible.
We offer all types of coils for heating, cooling, refrigeration, hvac, and laundrydry cleaning equipment. Nov 28, 2011 online coil selection software coilpro is now available with new working fluids for the companys full range of heat pipes. This can lower operating costs over the life of the coil. However, that capacity is only used to calculate a coil ua value. Water coils are standard, dx or electric coils upon request. Contractors vh fan coil units provide maximum performance while reducing installed cost to the contractor. About e z coil e z coil coil selection software, a coilmaster corporation resource offered exclusively to our customers, is a comprehensive and userfriendly coil selection program. It then completely condenses all of the vapor into liquid, and continues to subcool the resulting liquid to a desired temperature below saturation. Automatic price list generator to create a unique pricelist based upon the options and range you require.
You are not currently signed up for product selection software updates newsletter. If you do not want to signup, click this link to continue to the web software. Vrv is a modular, commercially applied airconditioning and heating system that distributes refrigerant, rather than water, from the outdoor unit to multiple indoor units providing efficiency, individual user control and reliability in. A coil must meet both the load and the sensible load requirement in order to achieve the conditions desired in the space to be cooled. Standard or steam distributing construction is available for high and low pressure applications. Coil construction is available for condenser, desuperheater, and reheat applications.
Our expertise, attention to detail, and high standards go into each coil we manufacture. Coil company builds hvac equipment for the replacementservice markets as well as for new applications. Motor wiring is brought to a control compartment on the inside of the. Adaptable cooling coil performance during part loads in the tropics. Product selection software download cooling towers. Extend beyond dimension d when used as desuperheter, inlet and outlet connections will. It enables firsttime users to enter the required parameters, delivering an optimum solution. Direct expansion coils 5060 colmac coil manufacturing, inc.
The steam supply and condensate return headers and connections are normally at the opposite ends of the coil. Coil performance is determined by the temperature difference between the water and air and so the lower the air on conditions the more difficult it becomes for a coil to meet a given load. Standard round tube plate fin rtpf condenser coils have copper tubes mechanically bonded to aluminum fins with wavy enhancements. Performance selection data hot water heating coils non. If you need help choosing, you can use any of the product selection programs. And that means you can get your customers up and running quicker with minimal installation time. Web basedruns through your browser select air coolers based on design requirements and let the software pick the unit that meets your most important criteria price, size, efficiency, etc. Your knowledgeable trane representative has the expertise to quickly get coils that not only fi t your particular application, but also provide the performance and reliability you require. Governing equations and methodology the sizing of cooling coil requires solving the two energy equations of the airside and. The booster coil module is a selection module and cant rate coils like other modules. Coil rows unit size model letters product series air flow digit no. Coil selection and optimization trane engineers newsletter live series trane is a registered provider with the american institute of architects continuing e ducation system. Ahu cooling coil selection with example cr4 discussion thread. For coil veterans, it allows for customized circuiting and selection of multiplefin designs to meet the.
In addition to the above standard fin designs, a flat fin surface is available for applications where the coil must be washed or cleaned periodically. Refrigerant condenser coils are used to transfer heat from the refrigerant to the outdoor air. The selection of the piping arrangement will depend on the sizing of the reclaim coil and the control scheme of the system. Learn the key roles an air conditioner coil and ac valve play in cooling your home, so you can make your selection wisely. B77 coil data avw, abw 06, 07 10 x 12 coil coil data avw, abw 08 10 x 12 coil coil data avw, abw 10 1212 x 14 coil coil data avw, abw 12 15 x 16 coil gpm above or below catalog values not recommended data based on 180f ewt and 55f eat cfm. Our experienced application specialists are just a phone. With many options and benefits available, kwikcomfort financing is the best way to get the home comfort you need without the wait. Change water, air, control and unit parameters at will and reselect based upon the same spreadsheet. Entering water 7oc temperature rise 5oc,enterig air temperature 27ocdb 19. Precision coils specializes in manufacturing competitivelypriced, precisionengineered replacement coils and oem coils that always fit and are always ontime. Curves giving the wet bulb depression factors for keeprite water cooling coils are shown on page 27. Unit standard selection module to add units to a quick selection or for a small quantity of units. Please note that when a coil is dehumidifying moisture forms on the fin pack do not select coils above 550 feet per minute velocity up to 10 fins per inch and. The load or duty of the coil should be determined from heat load calculations of the space to be conditioned.
Product selection software download cooling towers, closed. Standard steam type is the basic 58 or 1 tube steam coil, known as the single tube design. When choosing a coil there are a few basics to remember that relate to the size, shape, configuration and frequency xterra series of the coil. At commercial coils, we provide exceptional service to customers around the world in the heat transfer industry. Over 75 years of experience setting the industry standard for quality. Ahu cooling coil selection with example 01162010 6. As the coil no increases from 4 to 6 or 8, the gap becomes less and can cause a high bypass factor. The data is the performance in high speed with relevant static pressure. Insulatedgalvanizedsteel coil case with durable embossed finish top panels are removable for easy service or coil cleaning dual condensatedrains on front and back of coil allows flexibility of placement to accommodateleft or right airflowfurnaces foil faced insulationfor easy cleaning. Coil square feet feet per minute velocity fpm selection note.
Fan coil unit selection program user manual while all care has been taken to ensure correct operation of the fan coil selection program, temperzone ltd. Our dx coils are available in 12 or 58 od copper tubes with a pre selected distributor based on the coil load and refrigerant used. Booster coil selection module the booster heating coil selection module was designed to allow a specifierselector to rapidly produce selections correctly and in a table fashion for ease of specifying, submitting and ordering. Coil options allow for three or fourrow chilledwater and one or tworow hotwater coils in the reheat position. Pdf thermal design of cooling and dehumidifying coils. Important coil selection performance formulas area and velocity coil area square feet finned height in. Enter 6 items of data in a spreadsheet for each unit. Direct expansion dx evaporator and condenser coils for air conditioning, dehumidification, and refrigeration applications. Hi experts, what should be parameters for a no of coils decision for a ahu. Ahu cooling coil selection with example cr4 discussion. The duty of the coil can be specified directly or by specifying the air off conditions required.
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