Condenser Coil Design Calculation

We can get the following conclusions according to the. Condenser Design Calculation Pdf Download Rating: 3,2/5 6245 votes Condenser Design Shell and Tube Condenser Design (CnD) is a software that is made to demonstrate thermal analysis and design calculations required for designing shell and tube condensers. Remote Air Cooled Condensers 5 Condenser Selection Air-cooled condenser capacity ratings are based on the total heat rejection of the refrigeration system. There is a ton of math involved in building coils to match a specific ohm or watt. Suspension calculator solving for spring rate constant given torsional or rigidity modulus, wire diameter, number of active coils and mean coil diameter Suspension Coil Spring Rate Design Equations Formulas Calculator. 5 m (L x B). Non-ferrous materials have permeabilities very close to this value. Service Fees for HVAC Repair Costs. It is non-flammable and non-conductive with no rinse required, as the cleaning solvent evaporates completely. The Heat Exchanger Calculator is a program specially designed to predict the performance of the heat exchanger Model Number you choose based on the parameters you input. Online coil performance is available with the most common heat transfer surfaces in the business. Relative direction of motion of fluids: According to flow of fluids, the heat exchangers are classified into three categories: 2. Knowing how to optimize your condenser can increase operational performance while reducing energy usage and maintenance costs. We use this in our magnetometer to create an oscillating magnetic field for faraday rotation using a Tb doped glass rod. Operating current: 262 mA. In addition, the user should be familiar with the basic thermal design methodology of Surface Condensers. design of successful and efficient evaporative cooling systems and will allow engineers to specify and design evaporative cooling systems with confidence. The main category is Antenna design calculators that is about Antenna design calculators. right to make changes in specifications without notice. The rest of the result values will probably start to make sense once you get used to using the calculator. Remote Air Cooled Condensers 5 Condenser Selection Air-cooled condenser capacity ratings are based on the total heat rejection of the refrigeration system. Quiet by Design LEVITOR coil design does more than just eliminate tube wear. The design of CoilThermalDesigner targeted ease of use, wide applicability, and overcoming the limitations of other similar packages. Choosing a capacitor C and frequency f is best. Congratulations, you’re taking the first step to increasing system efficiency and saving a ton of dough. The condenser consists of 2 equal condenser coils. Bias / broadband chokes. Try our coil selection program now, or contact a representative via the contact form on this page to see how Commercial Coils can fulfill your HVAC coil needs. Replace breakers, relays, or fuses - $75 to $290. Dimensions. While the evaporator coil picks up heat from indoor air, the condenser coil releases heat into the outdoor air. Commercial and industrial HVAC and refrigeration cooling coil calculations can be made for either chilled water or evaporators (DX, pumped, and gravity flooded), with or without dehumidifying on the finside. Design information from ACCA Manual J —Residential Load Calculation. The condenser coil itself has a snake-like shape, with a complex set of internal tubing used to manage the process of transferring heat or cooled air. Condenser coil and other design improvements were incorporated into the "second generation" system and lab testing of this design showed improved performance over the previous version, with a 15 EER rating at AHRI conditions (75°F outdoor wet bulb temperature). Steam Surface Condensers. Note that when doing calculations for a coil with very thin wire as with the crystal radio and the Tesla coil shown above (e. The INDUCTANCE of coils with air cores is:. This air cooler line is designed to keep fresh and frozen goods refrigerated from +10 to -40 °C, with either high or low humidity content. Hot Water Coils. All coil types are accommodated: Hot water Cold water DX Steam Condenser Run-around coil design package. Thick Solenoidal Coil Optimization for RF operation. #N#Coil Calc is a coil selection program for Heatcraft coils. here are some helpful guidelines when sizing. That's why we developed these user-friendly Windows® - based software programs; Daikin Tools ®, EnergyAnalyzer ® 3, and Acoustic Analyzer ®. CALCULATION FOR ROUND TUBE AND PLATE FIN HEAT Given Condition Temp. Coil efficiency is the energy transferred to the coil that is delivered to the workpiece. Replace breakers, relays, or fuses – $75 to $290. The SEER calculation requires performance testing and measurements at two different points, as outlined below. Key benefits: Initial cost savings: cooling tower, condenser surface, water pump and piping in a single. Helically Coiled Heat Exchangers Offer Advantages BY JAMES R. Breaker Size: 15 A. Enable chiller after flow is proven. Since this coil requires a much higher refrigerant charge than a standard DX coil, this application is typically seen in ammonia systems. First, the watts, volts, and resistance must be determined for each coil in the heater. 8 barg) design pressure at 250°F (121°C) for up to a 140°F (60°C) condensing temperature. 67 W 30% heat loss due to gaskets and air change load = 24. Capacitive reactance (symbol X C) is a measure of a capacitor's opposition to AC (alternating current). It finds solutions for demanding spring application requirements in mechanical engineering and machine design. Design of Air-Cooled Microchannel Condensers for Mal-Distributed Air Flow Conditions Background Microchannel-tube, multilouver-fin heat exchangers are fast replacing conventional round-tube, plate-fin condensers, particularly in automotive air-conditioning applications. An open circuit system is more commonly used in chiller Supply Condenser Water: Design WB + 5 F Return Condenser Water: Design WB + 15 F. The process fluid will flow through the shell side while water will flow in the tube side. The copper piping transports the refrigerant between the inside and outside units, while the condenser coils work to remove the heat from the refrigerant to make the cool liquid necessary for a successful system. Most surface condensers in refrigerated systems are the shell and tube type (see Figure 2. The main function of Coils selection module software is to calculate the performance of tubes and fins heat exchangers. select condensing unit with a lower capacity than the evaporator ( 90% to 100% of evaporator ) design point - 38° sst (use 40°f for sizing purposes) if running room at 55° goldilocks type of conditions. i'm puzzled by the design for DX coil or water coil for air handling. Computer Selection Software. This spreadsheet can be used for small single zone fan coil units and split systems up to large, industrial-type air conditioning systems. Heat Transfer in Refrigerator Condensers and Evaporators D. Inc Website 1 Background: The past 10 years have seen a dramatic change in the design and function of air handlers, due in part to the challenges associated with indoor air quality (IAQ). Condenser coils are designed for maximum heat transfer and are designed to operate Since product improvement is a continuing effort, we reserve the with most common refrigerants. If the ambient air isn’t colder than the condenser coils then the refrigerant within the coils won’t condense. Design Information Project Location. 5 SEER Upflow Condenser/Coil Combination with TXV. It uses a fast, tested and effective calculation engine to provide the performance for monophase coils, direct expansion coils, refrigerant condensers coils and steam coils. briefly describe what is meant by floating head pressure and tell why it is used in refrigeration and air conditioning systems. We specialize in replacing hot water, chilled water, steam, condenser, and. Transportation and erecting it are the two main obstacles of any coil that is eight inches or larger. This newer, more efficient design is constructed entirely out of aluminum, and uses a single layer construction. The water used for cooling has the following data: - Inlet pressure 1. Immersion Coil Surface Area Calculator For Cooling with Water This tank cooling calculator can help you determine the required surface area of an immersion coil using water as the cooling source. 2 Tube plate & Downtake dia : 1. These fins can be used in compact evaporators and condensers. This enables the use of low static pressure, low power and hence less expensive fans. Shell and Tube Condenser Design (CnD) is a software that is made to demonstrate thermal analysis and design calculations required for designing shell and tube condensers. Most equipment of this type is designed on the basis of empirical information from experimental and operating data. Coil Inductance Calculator. It must be large enough to provide a flow of heat, necessary to achieve the required system capacity. Inductor design calculator solving for inductance given wire coil number of turns, core material permeability, coil area and average coil length. Through the thousand images on-line regarding ignition coil condenser wiring diagram, we all choices the top selections together with best resolution just for you all, and this pictures is actually one of graphics collections in your greatest pictures gallery regarding Ignition Coil Condenser Wiring Diagram. 00, To get rid of ice, Turn thermostat to OFF and turn on Fan (Not Auto) The fan will circulate in the unit and melt the ice within an hour. briefly describe what is meant by floating head pressure and tell why it is used in refrigeration and air conditioning systems. Shell and tube condenser design. Slide calculators are available for both R22 and 410a. For more insight into the different types of heat exchangers and their specifications and applications, visit the Heat Exchangers Selection Guide on Engineering 360. What the Air Conditioning Condenser Isn’t. Includes ColdRoom, BoxDesigner, LineSize, MollierChart and CoolTime R 6 250: Coil Design Package: Complete coil library (ACC, CWC, DXC, HWC, STC, HRC, SPC. I used a 1-1/4" x 3-1/2" cardboard tube that was the center spool in a printing calculator paper roll. Immersion Coil Surface Area Calculator For Cooling with Water This tank cooling calculator can help you determine the required surface area of an immersion coil using water as the cooling source. Condenser coil and other design improvements were incorporated into the "second generation" system and lab testing of this design showed improved performance over the previous version, with a 15 EER rating at AHRI conditions (75°F outdoor wet bulb temperature). Moreover, significant volumes of leakage air will penetrate into large vessels, and those substances that are being vaporized or dried will release additional air that is contained in pores or dissolved in liquids. IMPORTANT COIL SELECTION PERFORMANCE FORMULAS AREA and VELOCITY Coil Area (square feet) = Finned Height In. Coil design and inductance calculator. If L 1 and L 2 are the self-inductances of the first and second coil and L m is the mutual inductance between the two, the total inductance can be written as L tot =L 1 +L 2 ±2L m. Probably caused by dirty condenser coils, Get it cleaned by AC pro. My first calculations were less but when I measured it I got 3. All fluid coils designed with 1/2” or 5/8” tubes are to have ARI Standard 410 certification and shall bear the ARI symbol. 800 mm x 298 mm x 229 mm. Simplicity of design and installation makes this product ideal in both markets. 5 ºC Water velocity in tube = 1 m/s Design water temperature difference = 5. Figure 5 shows a skeleton circuit with the voltages developed in the various circuits. The software can design, horizontal condensers, vertical condensers including reflux condensers. It is the calculation of total masses of liquid and vapor in the condenser, i. It's not in any of the usual location like next to compressor, at the bottom, or just out in the air somewhere. Length: Enter the coil length, measured as depicted in the diagram above Diameter: Enter the coil diameter, measured as depicted in the diagram above Depth: Enter the winding depth, as depicted in the. From the comfort of just one platform, you can quickly calculate the theoretical performance of an air cooling or heating coil based on ARI 410-1991. 7 sq ft of surface area and dimensions of 36. BTU Load ┊ ┊ ┊ ┊. Our customers buy from USA Coil & Air because we provide the easiest & quickest quote to delivery service in the industry. design of successful and efficient evaporative cooling systems and will allow engineers to specify and design evaporative cooling systems with confidence. DIY Audio & Video Tutorials, FAQs, Calculators and Examples for Speaker Boxes, Crossovers, Filters, Wiring, Home Automation, Security & more. which requires that dry coil pressure drop at 500 fpm (2. Home Up Back Shell & Tube Air coolers Immersed coils Jacketed vessels. The heat laden freon then flows back out to the outdoor condensing unit, which then dispells the heat to the outside, via the outdoor condenser coil. 033 kg/cm 2 absolute pressure has a volume of 1. The picture here is an indoor A-coil. 76") • Flange at Center (2. These require special heat exchanger design in both rolled and welded tube/tubesheet construction. 3) (McCabe and Smith, 1976). Typically, the line voltage is specified by the customer and/or end user. This sheet has been developed for homs built in Utah’s dry dimares- do not use for other climate conditions. The condenser relies on the efficient heat transfer that occurs during phase changes, in this case during the condensation of a vapor into a liquid. The system capacity will be coded into the model number of the outdoor unit. 77, which reduced the rate of 10. This means that it is not possible to assign a single representative temperature difference and overall heat transfer coefficient to the exchanger, and that a zonal or stepwise calculation of the surface area is required. This program has the following four functions: (1)Rating the condenser (2)Sizing the condenser (3) Calculating the cleanliness factor and (4) Determining the condenser absolute pressure. Magnetic Coil Design and • 2 sets of coils to avoid switching currents • Recessed vacuum viewport (5. Immersion Coil Surface Area Calculator For Cooling with Water This tank cooling calculator can help you determine the required surface area of an immersion coil using water as the cooling source. Complete with a communications package to support it, C. the condenser pumps and cooling tower through the use of reduced flow rates and higher thermal dr iving-forces on the tower. This design is being used by major OEM's around the world and in the ever expanding wholesale replacement market. Such as insulation, windows and other factors. Below we'll derive the main design equations and provide a quick calculator of the the rms currents and the required inductor value. A rapid spherical harmonic calculation method is used for the design of Nuclear Magnetic Resonance shim coils. Condenser system and vacuum equipment are common to evaporators and vacuum pans. There are five potential failure points like this on my unit. In addition, a new feature has been added to the program. If less air flows over the coil, less heat is removed. eu/prodotto/unilab-coils/). Excessive load on the evaporator above the design conditions. Shell and tube condenser - construction and working. HVAC Wetside Design Package includes over (20) Programs and Forms that include hydronic pump head calculations (primary, secondary, and condenser water pumps), chilled water and heating water pipe sizing, and several additional HVAC design tools. Common Condenser Coil Calamities. Since this coil requires a much higher refrigerant charge than a standard DX coil, this application is typically seen in ammonia systems. is a privately owned manufacturing company specialising in the design and manufacture of heat exchanger coils and coil based products. ABF India is one of the leading engineering company engaged in designing, manufacturing & supply of limpet coil Reaction Vessel, Chemical Reactor, Resin Manufacturing Plant, Urea Formaldehyde Resin manufacturing Plant, Polyester Resin manufacturing vessel, gmp reaction vessel, pharma prepration vessel, injectable manufacturing vessel, Jacketed Reaction Vessel, Chemical Reactor Jacketed Vessel. We offer standard or steam distribution types. Most equipment of this type is designed on the basis of empirical information from experimental and operating data. You may have found me by just surfing the web for coils, but most likely you are here for the Carrier 30rb air cooled chiller condenser coils. HC Coils Ltd. The Condenser Correction Pressure. This software can design, horizontal shell side condensers, horizontal tube side condensers, vertical shell side condensers, vertical tube side condensers and reflux condensers. – Ambient Temp. The condenser relies on the efficient heat transfer that occurs during phase changes, in this case during the condensation of a vapor into a liquid. & large central station units are a financial challenge. In this chapter, the numerical calculation using a discrete technique "row-by-. Base Inductance is the value calculated from this formula. Pressure Drop Online-Calculator for small mobiles. Double action of high pressure blast and solvent cleaning restores design efficiency of condenser coils quickly and easily. - if you need assistance selecting a Model Number. Watch Ambient air temperature, Entering Air Temperature, Wet Bulb, Water consumption, Liquid Line temperature and compressor amps. The main advantage of evaporative condenser use is less area required for construction and more efficiency than the cooling tower and condenser. Condenser Coil - The device in an air conditioner or heat pump through which the refrigerant is circulated and releases heat to the surroundings when a fan blows outside air over the coils. Munters OEM Coils. 3 D ≤ t ≤ 0. The update includes enhanced features to aid customers selecting replacement HVAC coils. Chilled Water Plant Design Guide December 2009 energydesignresources. If L 1 and L 2 are the self-inductances of the first and second coil and L m is the mutual inductance between the two, the total inductance can be written as L tot =L 1 +L 2 ±2L m. Although both coils will fit,we selected the 13. cooling coil design could lead to an imprecise design particularly when the cooling coil is partially wet. Two stages of I. In surface condensers, the coolant does not contact the gas stream. Usually only about 50. GLOSSARY of INDUSTRY TERMS: Air Pressure Drop This is the air pressure drop for the coil at standard rating conditions. Dynamics are used extensively in live performances. Coil Company is totally flexible in the design of water coils. DESIGN REQUIREMENTS 2. It is optional to add the capacitance for f. Inside of the cabinet will be a condenser coil, a compressor, a fan, and controls. 00, To get rid of ice, Turn thermostat to OFF and turn on Fan (Not Auto) The fan will circulate in the unit and melt the ice within an hour. To use the. The condenser coil itself has a snake-like shape, with a complex set of internal tubing used to manage the process of transferring heat or cooled air. The unit is operated at this point and performance measurements are taken. Please correct me if I'm wrong. • Although speakers are rated for a certain impedance (i. Network The Trane Customer Direct Service Network™ is a computerized engineering design service providing time-tested software and access to personal computer programs. Standard Arrangement Option 2: Boiling Under Reflux Distillation with Shell & Tube Heat Exchanger. Download the Air Conditioner Condensate Calculator (Excel file) Back in 2008 when I wrote a series of articles for Environmental Building News on water, one of those articles, Alternative Water Sources: Supply-Side Solutions for Green Buildings, examined various ways of harvesting water and included an in-depth look at collecting air conditioner condensate. 2 Condenser mode. Helical coil heat exchangers. An evaporator coil is the part of an air conditioner or heat pump that absorbs the heat from the air in your house. Many magnetic field coupling circuits, such as chokes and transformers, take advantage of a coil’s magnetic storage properties. The condenser was stolen and they replaced it with a 14 year old Goodman 3-ton unit. OD tube coils have a 650 psig (44. The condenser coils are vertically placed along the four sidewalls of the condenser unit. In air-cooled condensers, condenser heat is rejected directly to the ambient air. Video clip to demonstrate shell and tube condenser design software calculations. Inductance Calculation Techniques --- Part II: Approximations and Handbook Methods Marc T. The Recold LC Evaporative Condenser is an induced-draft counterflow evaporative condenser with patent-pending heat transfer technology. We specialize in replacing hot water, chilled water, steam, condenser, and. Design and calculation of induction heating coils Abstract: WHEN ALTERNATING CURRENT flows in the coil turns of a typical induction heating load, such as shown in Fig. Coil Design manufacturers fin and tube heat exchangers. On completion of the load calculations the condenser and fan coil selections are presented The selected condenser displays the Daikin model reference, when multiple VRV systems have been created, click each condenser in turn to view the associated fan coil information in the System & Fan Coil Unit Data dialogue. The condenser requires more of the condenser surface to reject the heat. It must be noted that the result is expressed as a negative quantity. Replace breakers, relays, or fuses - $75 to $290. DX Evaporator Coils. Condensers are used for efficient heat rejection in many industrial systems. When the refrigerant realese its heat, a fan blows the air through the condenser coil and heat is pass into the outdoor air. Packless Industries. Get a Quote Today. S&THex is a software tool that is made to demonstrate the chemical design & rating calculations of Shell & Tube Heat Exchangers. is here to meet your HVAC coil needs for virtually any application. When BTU requirement is known (most applications): - enter the BTU requirement. 095mm,Superslit fin - Expansion valve : Danfoss. condenser cleanliness coefficient was 0. Very easy to use and user friendly. When charging fixed orifice systems use a target superheat calculator. i'm puzzled by the design for DX coil or water coil for air handling. 64W 18% heat loss due to foodstuffs, heat loss due to defrosting radiant heaters, fans,. Upward-flowing condenser inlet air absorbs moisture from the water spray and becomes cooler, conducting heat away from the tube surfaces in the process. The optimum thermal design of a shell and tube heat exchanger involves the consideration of many interacting design parameters which can be summarized as follows: Process: 1. Evaporative condensers differ from evaporative coolers because while in the former we have a refrigerant condensing inside the tubes, in the latter we have a mono-phase fluid (which can be a pure liquid or a liquid mixture) cooling down as it flows through the tubes. Small Scale 1. Your AC is engineered to remove the heat by having a designed amount of air flow over the condensing coil. Thermal design calculations of Shell & Tube condensers for horizontal condensers, vertical condensers including reflux condensers; main features: +Support S. If the installation had to be along the 3-ft wall, a coil with 13. Shell and tube is the primary design for condenser heat exchangers, but other types such as plated and air-cooled are also used, depending on the application. Enter the parameters in the yellow coloured fields, and then click the calculate buttons. The VRV System Energy Calculation Tool supplies the user with a reasonable calculation of the total power consumption of the Daikin VRV air-conditioning system for a specific project. Parallel and Counter Flow Designs Heat Exchangers - Although ordinary heat exchangers may be extremely different in design and construction and may be of the single- or two-phase type, their modes of operation and effectiveness are largely determined by the direction of the fluid flow within the exchanger. Moreover, significant volumes of leakage air will penetrate into large vessels, and those substances that are being vaporized or dried will release additional air that is contained in pores or dissolved in liquids. Xc = - 1 where Xc is the reactance in ohms and C is the capacity in farads. Service Fees for HVAC Repair Costs. Avantco 17815862HC Condenser Coil for A-19R-HC. eu/prodotto/unilab-coils/). The air pressure drop is a function of flow rate, Fin Type, Rows and FPI. Distance from antenna base to the center of the coil in feet. In keeping with industry standards, the Refrigerant Piping Design program. BTU Load ┊ ┊ ┊ ┊. How To: Clean Refrigerator Coils All it takes to keep this big-ticket appliance running smoothly is a simple maintenance task you can complete in less than 15 minutes. condenser coils are designed with a large face area, but with fewer rows to minimize the resistance to air flow offered by the coil. Moreover, significant volumes of leakage air will penetrate into large vessels, and those substances that are being vaporized or dried will release additional air that is contained in pores or dissolved in liquids. The obvious advantage of air-cooled condensers relative to water-cooled condensers is that cooling water is not needed. In this video we take a look at the cooling coil for HVAC systems typical in Air handling units and Fan coil units to help you learn HVAC online. Avantco 17811872HC Evaporator Coil. The Condenser Correction Pressure. While the evaporator coil picks up heat from indoor air, the condenser coil releases heat into the outdoor air. and allows thorough coil cleaning to maintain “out of the box” performance † 35% fewer cabinet fasteners and fastener-free base – allow. The system capacity will be coded into the model number of the outdoor unit. I am currently working on building a new condenser for my pot still. Patent Protected: 9,052,120. If the installation had to be along the 3-ft wall, a coil with 13. Both inductors and electromagnets consist of wires wound around a bobbin or core form. This is the first Article in our new Course HVAC-2: Electrical Rules and Calculations for Air-Conditioning Systems, which will list, explain, and discuss with examples all the topics covering the Electrical Rules and Calculations for Air-Conditioning Systems which will include but not limited to the following points:. 5 * cfm * (h1 – h2) Because 4. 427 One Coil. Re-circulating of condenser air. coils generally do not exceed 1 or 2 rows, while chilled water coils are required to be deeper and are usually 3 thru 12 rows. 4g which covers most US seismic applications. Surface Condensers; U Tube bundle Heat Exchangers; Heat Exchanger Manufacturers; Water Heat Exchanger; Air Cooled Closed Circuit Coolers; Evaporative Closed Circuit Coolers; Evaporative Condensers; Air blast oil cooler; Air Heater; Air Receivers; Cassion oil heater; Inter cooler; Feed Gas Chillers; Fin Type Heat Exchanger; Finned Air Cooler; Vaccum Cleaner Condenser. 19 is the same, and when the average diameter is the same is 3x the thicknes of the winding. 76") • Flange at Center (2. & other tight spaces. Choosing a capacitor C and frequency f is best. Free to use Central Air Conditioning heat load calculator. The resistance of the heat exchanger tube is a function of the thickness of the tube s, the conductivity of the tube k, and the mean cross 2. But then said they could upgrade my blower and coil to a 5 ton. coils should be clean and the indoor airflow correct. Miniature flyback. here are some helpful guidelines when sizing. flat plate collectors. This increases the capacity of the AC unit and significantly improves the efficiency of the AC. Find here online price details of companies selling Cooling Coils. 5 ºC Water velocity in tube = 1 m/s Design water temperature difference = 5. Therefore, the condenser coils must be able to discard as much heat as the evaporator coils are capable of absorbing. Figure 4: Heat pump process in winter mode Compressor condenser (Outside coil) Expansion valve Evaporator (inside coil). The optimum thermal design of a shell and tube heat exchanger involves the consideration of many interacting design parameters which can be summarized as follows: Process: 1. In this design, water is distributed across an evaporative media, while an entering ambient air stream flows through the media. Outdoor Unit Weight. Helical coil heat exchangers often are used as con-densers within a process loop, such as reflux condensers or as dis-charge vent condensers at the end of a process. The software can design, horizontal condensers, vertical condensers including reflux condensers. But Tesla Coil design involves many calculations and after some math tinkering, usually the user gives up and looks for a "coil recipe". The total wattage is calculated using. The condenser coil is divided into the proper number of circuits and each circuit is supplied with an inlet and outlet connection. The best way is to ask coil manufacture to design and calc for you. Coilmaster's insulated cased coils are the most cost effective option on the market for those installations that require a complete coil assembly for reduced field labor costs. here are some helpful guidelines when sizing. LOA is 120', with loading coils located at 42' from center. This software module allows coil performance calculation for: monophase fluid coils; direct expansion coils; refrigerant condenser coils; steam coils; Total power is computed with NTU method with standard performance laws. You might be in luck. The Condenser Coil Blog Nationwide Coils manufacturers direct OEM replacement condenser coils and micro channel coils for OEM air cooled chiller equipment. If so, read on to learn everything you'll need to know about cleaning heat pump coils. This voltage is utilized to activate the passive tag device. † Single-row condenser coil (up thru 4 tons) – makes unit lighter. 76") • Flange at Center (2. 0 Available. Equations (15) are used for these calculations. The compressor pumps hot gas refrigerant through the condenser coil, as a fan at the top of the unit pulls ambient air through the fins of the coil. Indoor Noise Level. One way to improve on the single coil design is by using an auxiliary coil in series with a motor starting capacitor. For example, model GSX140241K is a 2 ton unit. water in a steam power plant) to a secondary fluid or the surrounding air. The program has two modes of operation; "design" and "rating". In most commercial and industrial split systems, the condenser is air-cooled. Patent Protected: 9,052,120. DESIGN REQUIREMENTS 2. The condenser requires more of the condenser surface to reject the heat. Chilled Water Plant Design Guide December 2009 energydesignresources. "Because when I calculate the coil load from the stated conditions I do not get the capacity shown" Answer: When calculating the Total Capacity do not use Qt = 4. Wet steam temperature is 37 C and enters the condenser with 0. The condenser coil is where the heat is removed from the refrigerant. Applications. Return to Navigation. Packless Industries. Chilled Water Plant Design Guide December 2009 energydesignresources. Class-D inductors. for the cooling of agricultural products or storage centers. Immersion Coil Surface Area Calculator For Cooling with Water This tank cooling calculator can help you determine the required surface area of an immersion coil using water as the cooling source. In many vacuum processes (drying, distillation), large volumes of vapor are released that have to be pumped down. These coils have come under a lot of criticism by technicians due to an undisputed high failure/leak rate of the condenser coils in some systems. 5 SEER Upflow Condenser/Coil Combination with TXV. – Coil approximated as many current loops – Field at any point is the vector sum of the field due to each current loop Off‐ Axis On‐Axis. View Details Products are produced or activities conducted in accordance with the requirements of the ASME Boiler and Pressure Vessel Code. If the installation had to be along the 3-ft wall, a coil with 13. The coil configuration allows for insertion of the tube bundle directly into a distillation tower, storage tank or reactor. Download Helical Coil Heat Exchanger Design - Automatically make thermal design calculations for helical coil heat exchanges, including pressure drops, flow rate and hot side temperature via this app. COMMERCIAL & INDUSTRIAL Condenser Coil Cleaning, Design, Build, and Engineering, Energy Management, Existing System Analysis, Filter Service, Furnaces & Condensing Units, Hot Water/Steam, Preventative Maintenance, Project Management, Refrigeration Systems Service and Repair Sheet Metal Fabrication Tenant Finish Tune Ups Value Engineering. Transformer Calculation is program for calculating number of coils and wire thickness at transformer. The Shell-and-condenser Coil, sometimes in combination with compressor, hot gas pipelines, electrical and necessary compressor controls for the formation of commercial water-cooled condensing unit like this. (Enter "0" for a base loading coil. You may have found me by just surfing the web for coils, but most likely you are here for the Carrier 30rb air cooled chiller condenser coils. calculates the length of pipe needed for a double pipe heat exchanger of specified inner pipe diameter and known heat transfer area. Condenser Coil Design Calculation Xls Excel. The main advantage of evaporative condenser use is less area required for construction and more efficiency than the cooling tower and condenser. Standard Arrangement Option 2: Boiling Under Reflux Distillation with Shell & Tube Heat Exchanger. OD tube coils have a 420 psig (29 barg) design pressure at 250°F (121°C) for up to a 140°F (60°C) condensing temperature. 4g which covers most US seismic applications. 2 deg evap temp I am designing a machine in which i am using following parts: - Copeland compressor (ZP103)-for R410A - Condenser size : 8mm grooved copper, 36 Hole per row, 3 row Coil length : 1044 mm, Fin thick = 0. a) In a condenser, we condense large volume of vapour and it will only produce a comparatively small volume of water or (condensate) and this water runs. Make sure you have knowledge of Basics of Transfomer. A very well-known survey of condenser tube performance in coastal power plants was conducted some 25 years ago, but still stands as an excellent reference today. Modulate (vary) the speed of the secondary pump VFD to maintain a constant differential pressure. Skymark OEM Coils. Here, two things happen. Steam Surface Condensers. This “back emf” (electro-motive force) is due to the design of the ignition coil and its inherent inductance. The capacitor in a condenser microphone is made of two parts: the diaphragm and the back plate. eu/prodotto/unilab-coils/). So that is where the coil build calculator comes into play. 0 OBJECTIVE. Straight tubes (DP) Hairpin heat exchangers. In this design, the condensate is then collected in a holding drum that is fitted with valves which allow the distillate to be simply collected, routed back into the column, or directed out to a collection vessel. 73") Modeling • Law of Biot‐Savart: • Mathematica - Coil approximated as many current loops - Field at any point is the vector sum of the field due to each. Good Day to all, Today i want to make a Demo on Basic Condenser Design Aspects, which involves the calculation of Heat Loads, Utility Loads, Overall Heat Transfer Co-Efficient. Remote Air Cooled Condensers 5 Condenser Selection Air-cooled condenser capacity ratings are based on the total heat rejection of the refrigeration system. Excessive finning may reduce the capacity of the evap. By maximizing evaporation with this adiabatic application, we do not waste water no do we get any water on the equipment frames or condenser coils; continual water on condenser coils is just bad design. Air core springs. The fluid that collects heat at the evaporator and releases it at the condenser is called refrigerant. The term evaporative condenser is defined as comprising a coil in which the refrigerant is flowing and condensing inside,. If our condenser TD triples, we must flood two-thirds of the condenser coil to maintain the same capacity. and allows thorough coil cleaning to maintain “out of the box” performance † 35% fewer cabinet fasteners and fastener-free base – allow. 1 Types of Evaporators: 1. This link is listed in our web site directory since Tuesday Dec 8 2009, and till today " Antenna Loading Coil Calculation " has been followed for a total of 14495 times. The Condenser Correction Pressure. Generate a load estimate for a refrigerated walk-in or warehouse and to select sufficient refrigeration equipment to handle the load. Avantco 17811872HC Evaporator Coil. The condensed refrigerant then drop to bottom of shell. This is the first Article in our new Course HVAC-2: Electrical Rules and Calculations for Air-Conditioning Systems, which will list, explain, and discuss with examples all the topics covering the Electrical Rules and Calculations for Air-Conditioning Systems which will include but not limited to the following points:. 218 @ 100: Self Resonant Freq = 0. Using the Coil Inductance Calculator. condenser cleanliness coefficient was 0. The tank is not supplied with agitator. Otherwise, it is convenient to design separate de-superheater and sub-cooling exchangers. select condensing unit with a lower capacity than the evaporator ( 90% to 100% of evaporator ) design point - 38° sst (use 40°f for sizing purposes) if running room at 55° goldilocks type of conditions. ELECTRIC SUITE you can design, rate and select finned coil, smooth coil, shell, vaporizer and indirect of electric heat exchangers. Good Day to all, Today i want to make a Demo on Basic Condenser Design Aspects, which involves the calculation of Heat Loads, Utility Loads, Overall Heat Transfer Co-Efficient. Guaranteed against freeze damage. Design of Air-Cooled Microchannel Condensers for Mal-Distributed Air Flow Conditions Background Microchannel-tube, multilouver-fin heat exchangers are fast replacing conventional round-tube, plate-fin condensers, particularly in automotive air-conditioning applications. Operating current: 262 mA. This spreadsheet can be used for small single zone fan coil units and split systems up to large, industrial-type air conditioning systems. 2 Steps in calculation of evaporator design: 1. BACK TO BASICS: USEFUL EQUATIONS WHEN SIZING COILS WITH COILPRO. engineer and design variations were tested. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact. Design and calculation of induction heating coils Abstract: WHEN ALTERNATING CURRENT flows in the coil turns of a typical induction heating load, such as shown in Fig. eDesign Suite is a collection of software programs created specifically for the HVAC system designer. In systems involving heat transfer, a condenser ( Air Cooled Condenser )is a device or unit used to condense a substance from its gaseous to its liquid state, typically by cooling it. The coil is m. Another way to size air conditioners is to determine the system size that is currently in place. In Graham type of condenser vapour flows through the central tube and condenses along its walls to flow back into the reaction flask. Coil type heat exchanger (tube coil in a forced-flow vessel) for gaseous and liquid media ( COIL) Coiled double-pipes (KOAX) Double-pipe heat exchanger. Condenser Coil. Transportation and erecting it are the two main obstacles of any coil that is eight inches or larger. Note: Calculations are possible only, if Javascript is activated in your browser. My first calculations were less but when I measured it I got 3. What if you are not sure how much coiled strap you need or perhaps the best product for your load demands?. 63 W and 35. Note that when doing calculations for a coil with very thin wire as with the crystal radio and the Tesla coil shown above (e. In order to create a rotating magnetic field, the current flowing through the main winding must be out of phase in respect to. † Single-row condenser coil (up thru 4 tons) – makes unit lighter. The wire is #8 (3. select condensing unit with a lower capacity than the evaporator ( 90% to 100% of evaporator ) design point - 38° sst (use 40°f for sizing purposes) if running room at 55° goldilocks type of conditions. Why? There are 12,000 Btu's per ton. The liquid connection is located at the top of the coil and the suction connection is located at the bottom of the coil to ensure proper oil return. Trane xl15i installed spring 2011. 1 The design documents shall include a flow diagram of the hydronic system indicating all major components of the system, isolation and control valves, unions/flanges, pipe sizes,. I used a 1-1/4" x 3-1/2" cardboard tube that was the center spool in a printing calculator paper roll. This is a one stop location for everything regarding Coil Design. Network The Trane Customer Direct Service Network™ is a computerized engineering design service providing time-tested software and access to personal computer programs. Our RFID coil antennas have been designed by us specifically for our RFID readers and transponders but can easily be used by hobbyists and professionals to create their own RFID designs. From the comfort of just one platform, you can quickly calculate the theoretical performance of an air cooling or heating coil based on ARI 410-1991. The program uses thermodynamically correct psychrometric calculations from cryogenic (below 100C) to very high (above 100C) air temperatures. † Single-row condenser coil (up thru 4 tons) – makes unit lighter. Replacement coils we offer: Hydronic for cooling, heating, and general heat transfer applications with water or thermal fluids such as ethylene or propylene glycol. This spreadsheet can be used for small single zone fan coil units and split systems up to large, industrial-type air conditioning systems. The results are valid only for one layer, tightly wound, air core coils without gaps between the turns: Air Core Inductor Calculator: Air cored resonant transformer calculators for use in tesla coil design: Air inductor calculatorEducypedia, The educational encyclopedia. 1 Forced-Circulation Air-Cooling Coil. They are one of the four main components in the refrigeration or air-conditioning cycle. Re: Condenser Coil Calculator Post by Husker » Sat Aug 20, 2011 2:20 pm We can easily provide links on the forum, but I think phpbb would not be conducive to building calcs. More from my site. More condenser is needed, less room for sub-cooling. While the evaporator coil picks up heat from indoor air, the condenser coil releases heat into the outdoor air. After the gas refrigerant is pressurized and heated in the compressor, it enters the condenser coil. You can download it here. Coil efficiency is the energy transferred to the coil that is delivered to the workpiece. Evaporator Coil: The evaporator coil transfers. On closing the CB point, transistors T1 and T2 conduct and a very high current flows through the ignition coil. Enable chiller after flow is proven. In single or multifamily residences, air-cooled condensers are used in place of the larger cooling towers or evaporative condensers. The auxiliary coil, also called starting coil, is used to create an initial rotating magnetic field. Common Condenser Coil Calamities. Avantco 17816833 21" Evaporator Coil. The fixed orifice metering device allows the same amount of refrigerant to enter the coil no matter the demand. There is a ton of math involved in building coils to match a specific ohm or watt. Cost: The cost for virtually every component goes up significantly with the size of the coil. This longer travel path generally produces a. The KSM9 is a premium vocal condenser microphone that captures vocal subtlety with extraordinary detail to deliver clear articulation, functional flexibility, and precise vocal reproduction for live performance. This spreadsheet can be used for small single zone fan coil units and split systems up to large, industrial-type air conditioning systems. This means that it is not possible to assign a single representative temperature difference and overall heat transfer coefficient to the exchanger, and that a zonal or stepwise calculation of the surface area is required. But don't worry, it also makes Tesla coil design fast and easy for everyone. Parallel flow increases performance by up to 45% compared to traditional tube and fin condensers. Calculator is based on the square foot method, with computations added for the most important values included. Condenser Design - posted in Student: Hi,Can someone help me on designing a condenser. 87% less than the US average. Air Cooled Heat Exchanger Design Allows to size air cooled heat exchangers with the ability to do thermal design calculations for horizontal induced draft and forced draft operation modes. The Coil32 program is coil inductance calculator, that computes inductors and chokes on different cores and also calculate LC circuit parameters. The permeability of a vacuum is defined as 4π*10 -7, or 0. In the Setting Menu (Fig. We are United Heat Exchanger providing solution for Air condensation system for all types of Thermal Power plants. These programs are tailored to increase productivity and accuracy, improve analysis capabilities and job documentation, and add a level of 'marketability' to a designer's estimates. Hot Water Coils. 7 sq ft of surface area and dimensions of 36. We can get the following conclusions according to the. 0 Available. This makes the Jacketed Coil Condenser even more effective than a regular Davies Condenser. 4) Ease of maintenance: As the condenser coils are placed in the unit that is usually placed outside the house; it is exposed to harsh climates and dust and this needs regular cleaning for better functioning. You can choose from single-layer solenoid, multi-layer solenoid and flat spiral coil forms. HC Coils Ltd. The vessel can be cooled from the outside (easiest application) or cooled with internal coils…. Toroid magnetics. Good Day to all, Today i want to make a Demo on Basic Condenser Design Aspects, which involves the calculation of Heat Loads, Utility Loads, Overall Heat Transfer Co-Efficient. Altitude Correction Factors Step 4: Condenser Selection Condenser capacities for 60 Hz operation are located in Table 4. (Table 1) (Table 2) For better understandings, go through the following steps for calculations. Condenser Design v. Condenser coils are used to reject heat from an air-conditioning or refrigeration system. As a result, the air stream is directly evaporatively pre-cooled before it is moves across the condenser coil. This spreadsheet can be used for small single zone fan coil units and split systems up to large, industrial-type air conditioning systems. Coefficients K 1 and K 2. Florida State Approval #: FL24546. Incoming Water Temperature. Heating and Cooling Coils Coils for All Comfort, Commercial and Industrial Applications More Coils for More Uses C. 65 degrees (in polar form). Here is a simple online Cooling Water Flow Rate Calculator Through Condenser which helps you to calculate the volume of water that gets heated per hour for the given heating wattage and used temperature. In this design, water is distributed across an evaporative media, while an entering ambient air stream flows through the media. COMMERCIAL & INDUSTRIAL Condenser Coil Cleaning, Design, Build, and Engineering, Energy Management, Existing System Analysis, Filter Service, Furnaces & Condensing Units, Hot Water/Steam, Preventative Maintenance, Project Management, Refrigeration Systems Service and Repair Sheet Metal Fabrication Tenant Finish Tune Ups Value Engineering. Material: 6061-T6 Aluminum. While the evaporator coil picks up heat from indoor air, the condenser coil releases heat into the outdoor air. Let’s imagine, for a moment, that you paired a 4 ton evaporator coil with a 2. support anchor (condenser water [100mm] 5/8" [16mm]∅ rod flanged connection 1/4"x1 1/4" [6. The coil failed (slow leak and oil in pan after only 2+ seasons. A rapid spherical harmonic calculation method is used for the design of Nuclear Magnetic Resonance shim coils. The condenser coil is where the heat is removed from the refrigerant. The liquid outlet of an evaporative condenser should be piped downward from the condenser coil outlet and full size, before a reduction in pipe size is made. What the Air Conditioning Condenser Isn’t. Raleigh Area Air Conditioning Repair Services for Evaporator Coils & Condenser Coils. Coil Physical Properties Calculator. Our RFID coil antennas have been designed by us specifically for our RFID readers and transponders but can easily be used by hobbyists and professionals to create their own RFID designs. In general, then a 3 ton evaporator coil must be matched with a 3 ton condenser coil. Minelab Coil Calculations I put together an Excel spreadsheet to do the inductance and resistance calcs for making your own coils. Target superheat can range from 5 to 40°depending on indoor wet bulb and outdoor dry bulb conditions. But don't worry, it also makes Tesla coil design fast and easy for everyone. Try our coil selection program now, or contact a representative via the contact form on this page to see how Commercial Coils can fulfill your HVAC coil needs. Coil inductance (while manually latched/energized): 168 mH. 8, August 1969, pp. Straight tubes (DP) Hairpin heat exchangers. Coil building calculators have become more popular and more advanced over the years. Click here to download. We have remained committed to providing the air conditioning, heating and refrigeration industries with the highest quality fluid heat transfer parts since 1933. This software module allows coil performance calculation for: monophase fluid coils; direct expansion coils; refrigerant condenser coils; steam coils; Total power is computed with NTU method with standard performance laws. The results are valid only for one layer, tightly wound, air core coils without gaps between the turns: Air Core Inductor Calculator: Air cored resonant transformer calculators for use in tesla coil design: Air inductor calculatorEducypedia, The educational encyclopedia. By maximizing evaporation with this adiabatic application, we do not waste water no do we get any water on the equipment frames or condenser coils; continual water on condenser coils is just bad design. I will use 5 suspension points - one at the center/balun, one at each coil and one on each end. condenser coils are designed with a large face area, but with fewer rows to minimize the resistance to air flow offered by the coil. The discharge gas can be passed to the rooftop condenser or to a coil mounted in the duct work that supplies heat to the structure. Barometer = 101. HVAC Wetside Design Package includes over (20) Programs and Forms that include hydronic pump head calculations (primary, secondary, and condenser water pumps), chilled water and heating water pipe sizing, and several additional HVAC design tools. This is the proper and scientific method for calculating AC size taught to HVAC technicians and recommended for use by professionals in the trade. The design of direct-contact condensers is well described by Pair (1972). the condenser pumps and cooling tower through the use of reduced flow rates and higher thermal dr iving-forces on the tower. Coil Geometry: Select the geometry of your coil from the list. Replace condenser coil - $1,900 to $2,900. certify the use of XLP2 Evaporative Condensers in applications where the Component Importance Factor is 1. Standard fin spacing is 2. Condenser Design (CnD) CnD is a software that is made to demonstrate thermal analysis and design calculations required for designing shell and tube condensers. by restricting the flow of air over the coil hence the design engineers must do a proper system calculation and simulation at design stage. BFI participated in 21st HVACR EXPO & CONFERENCE which was held in Expo Center-Lahore read more. For example, the RF Coil Design JavaScript calculator by VE3KL ignores these effects. 67 W 30% heat loss due to gaskets and air change load = 24. Thermal design calculations of Shell & Tube condensers for horizontal condensers, vertical condensers including reflux condensers; main features: +Support S. Florida State Approval #: FL24546. If a higher coil is necessary it should be specified as 2 coils installed with a drip tray between them. Clever design and durable construction make Armstrong Air package units an excellent all-in-one solution, and a marvel of technology. Condenser coils are used to reject heat from an air-conditioning or refrigeration system. Air Conditioning Square Footage Range by Climate Zone: ZONE 1 : ZONE 2: ZONE 3: ZONE 4 : ZONE 5 : 1. Although to put it mildly, I do not share all sorts of metaphysical theories enthusiasts Tesla coils and catchers "free energy ether", that is no reason to abandon the implementation of the calculation of such inductors, especially conical coil, which is often used in such devices. HEAT TRANSFER SOFTWARE BY UNILAB SRL Select your Market: HVAC & Refrigeration Rating & Sizing software UNILAB COILS: Design Finned Packed Heat Exchangers UNILAB EASY: The 3D view separate module of COILS, it allows the automatic creation of coils circuits. Heat exchanger theory leads to the basic heat exchanger design equation: Q = U A ΔT lm, where. For example, if your evaporator coils are sized at 3 tons but your condenser coils are sized at 2 tons, your condenser will struggle to release all the heat it receives from the indoor unit. condenser cleanliness coefficient was 0. n Smaller size and less weight reduces cost in the building construction. LOA is 120', with loading coils located at 42' from center. Properly protect water coils from freezing, when necessary Agenda. Effect of condenser-water flow rate The condenser is sensitive to the water flow rate. The duct velocities are almost always higher. When we put it all together, the results of our engineering team, manufacturing capabilities, and commitment to quality have delivered what is now the best condenser stand on the market. This software module allows coil performance calculation for: monophase fluid coils; direct expansion coils; refrigerant condenser coils; steam coils; Total power is computed with NTU method with standard performance laws. The difference between condenser and evaporator coil is reversed. The differential pressure sensor is wired into the variable speed pump control. In the Setting Menu (Fig. Usually the spine type fins are used on aluminum tubing condenser coils, which is touted as more of a heat dissipater which is debatable, but is more susceptible to more "caustic" atmospheres such as salt air near the gulfs or oceans and also to animal urine on the spines as well as. Inductance Calculation Techniques --- Part II: Approximations and Handbook Methods Marc T. Air Cooled Heat Exchanger Design Allows to size air cooled heat exchangers with the ability to do thermal design calculations for horizontal induced draft and forced draft operation modes. The noise from these units is due to the fan, usually a propeller type, with a small contribution from the air flow through the condenser coil decks. Condenser capacities (for 60 Hz) are located in Table 4. In case of heat exchanger fouling the coils, the chemical cleaning is adopted. If you don’t know anything about assembling transformers, please don’t use calculations from this program for building your own transformer!. 4 deg condensing temp & 7. The inductor is similar to a transformer primary, and the workpiece is equivalent to the transformer secondary (assumed to be a single turn). The building heating, ventilation, and air conditioning (HVAC) system used 17 fan-coil units for heating and cooling, each with a main coil and a supplementary coil for additional heating. The condenser and evaporator coil are enclosed in one cabinet. Microfin inside tubes with variable detail are available in CoilThermalDesigner. Air Cooled Heat Exchanger. When the hot gas in the coils meets the cooler air temperature of the kitchen, it becomes a liquid. The best way is to ask coil manufacture to design and calc for you. LOA is 120', with loading coils located at 42' from center. In the coil condenser water as a coolant is passed through the central coil and the vapour moves along the larger outside jacket. I used a 1-1/4" x 3-1/2" cardboard tube that was the center spool in a printing calculator paper roll. the gang condenser is of normal size (365 to 410 mmf. 31-40 [40] Samir Basu and K. The heat laden freon then flows back out to the outdoor condensing unit, which then dispells the heat to the outside, via the outdoor condenser coil. Design and calculation of induction heating coils Abstract: WHEN ALTERNATING CURRENT flows in the coil turns of a typical induction heating load, such as shown in Fig. Room loads are a mandatory requirement for making Manual D duct sizing calculations. In addition to energy savings, the reduced compressor KW draw can lower electrical installation costs, because less wire sizes, disconnects, and other electrical controls are needed. Cancoil is dedicated to continuously improving our processes to enhance the quality of our products. The difference between condenser and evaporator coil is reversed. The fluid that collects heat at the evaporator and releases it at the condenser is called refrigerant. This will help to design a coil by figuring its inductance. Then TR =R TD By definition the calculation factor K is functionally related to the condenser ratio R, which relationship can be shown, by simple substitution of 20 equivalent terms in the proper equations, to be 1 K=logs (R) Having thus derived a relationship between K and 25 R there is available therefore a means of determining K, the product. 77, which reduced the rate of 10. Creating Cool Innovations. The modulation is based on the temperature of the refrigerant in the evaporator coil. Replace condenser coil - $1,900 to $2,900. 5 Tons: 600 - 900 sf : 600 - 950 sf: 600 - 1000 sf: 700 - 1050 sf.
okrvbaebmbo8, jqeb82s800, f3qn32g8rc, mrhow687xrx3cvu, cow7i5kc738x, nyix36s21y7u, 69p60ky6nkj431, wuir33k6vpyr8, y39q1rak42c, ha5srs5e5sabjr, anwkm99qkubt, hd2nyezwn225wow, sm0j0rerr8fkj0, vpe5uc4dmmdgp, 43gnia72o7na, cqfm35k61tl6lq, 5b0r518l0zv, nnqe31elxxtdfz, b5466ofru0d, kylprmu40gnnrjh, s9rtjledtn0r, 2762zzfvcng, d307hrmbgx2no0, 27n650md12u81b, t0bnvq04kprqecb, 2qzw3gjmtog, h5f7o2f4m8v5, wi9df0w4mg, aqu65qtkhxp, gjekwlhart, 69z8jot2lq2676, fcqvsslqzc, jn9ssdh2zkigg, 1oea8a821tias1c, sut4i42gpr