Therefore, increasing the chilled water supply temperature will increase the refrigerant evaporating pressure thereby increasing chiller efficiency and reducing chiller power consumption. low refrigerant pressure faults For example your. AHUs and FCUs control their cooling power by regulating their chilled water valve thereby controlling the amount of chilled water going into their cooling coil. The refrigerant in the chiller absorbs heat from the brine, causing it to turn into a gas. So, how can you improve the energy efficiency of your chillers? Standard chilled water temperature is 6.7C (44F) for supply and 12.2C (54F) for return. When it came to unbolting the condenser, some of the bolts were seized due to a long period of rusting. Its also important to ensure that the salt is fully dissolved in the water before using the brine in the chiller system, as undissolved salt can lead to blockages in the system and other issues that can affect its efficiency and effectiveness. WebNote: ECWT - Entering Condenser Water Temperature Table 2: Performance of chiller heat exchangers (evaporator and condenser) o 0 7.0 0.520 6.0 0.515 5.0 0.513 2.2 0.480 2.3 High temperature of condenser water entering fthe chiller It is critical to supply condenser water at the right temperature for optimal chiller Refrigerated warehouses: Brine chillers are used in refrigerated warehouses to maintain a consistent temperature for the storage of perishable goods. Reducing condenser water pump speed will increase the condenser water return temperature thereby increasing chiller power consumption. In humid countries like Malaysia and Singapore, the average wet bulb temperature is 27.8C (82F). His idea was to fit the discharge and liquid piping up the side of the building and into the plant room. Whats the Difference Between Brine and Glycol? Designed to help lower environmental impact with next-generation refrigerants, free cooling and heat recovery options. However, they dont realize that by doing so, they may be causing more energy usage on their chillers. Since temperature is directly proportional to pressure, the increase in the refrigerant condensing temperature will result in an increase in the refrigerant condensing pressure. Kick start your HVAC design journey with ten (10) excel calculators, five (5) diagrams and three (3) charts. If AHUs and FCUs are returning low chilled water temperature back to the chillers, the refrigerant evaporating pressure of the chillers is high. Most people feel comfortable at a room temperature of 24C (75F) and a humidity level of RH 55%. Check the condenser and clean the coils. I monitor the temperature of the recirculating reservoir in the bucket and adjust the flow rate of the cooling water through the wort chiller to maintain a consistent temperature. Highly efficient water cooled comfort and process cooling solution. chiller compressor lift and shift The above PH diagram curve is taken from the ASHRAE R134a PH diagram. chiller refrigerant mass flow rate Note: The information in this table is based on general properties and characteristics of these chemicals and may vary depending on the specific concentration and use in a brine chiller system. chiller condenser systems We then carried out a strength test and a pressure test in accordance with F-gas guidelines. Pursuit the truth and learn the fundamental ways to approach the chilled-water system. Chiller approach temperature is the temperature difference between the chilled/condenser water A variety of salts can be used to make a brine solution for use in a brine chiller, but sodium chloride (NaCl) is the most commonly used salt. Our selection BIM software and CAD templates make it easier to choose WebWater-Cooled Helical Rotary Chiller At a glance Capacity Range: 80 to 450 tons, 60 Hz; 60 to 450 tons, 50 Hz Refrigerant: R-134a or R-513A Best Full-load Efficiency: 0.6200 This was so it could be bolted onto the existing discharge elbow from the chiller. So, you may have already forced some of the FCU valves fully open all the time and you know that the electricity bill is high because of that. 4. Webchiller compressor by 1% to 2 % in most situations; however, there is a limit and optimum lower condenser temperature for a given partial loading of the chiller compressor. Dew point temperature can be determined using Psychrometric Chart or any online dew point calculator which is also derived from Psychrometric Chart. However, increasing the chilled water supply temperature can lead to high humidity problems and thus, mold and fungus growth problems. The short answer is the condensing side of the load and condensing pressure relationship. A brine chiller is a cooling system that uses brine (a solution of water and salt) as a refrigerant to transfer heat from a process or application to a cooling source. different applications. The brine solution is typically circulated through a heat exchanger to absorb heat from the process or application and then pumped to a cooling source, such as a refrigeration system, where it releases the heat and cools back down to its original temperature. We called an industrial plumbing and welding company in to make the changes we needed. WebWater-Cooled (Condenser from Finger Lakes) Water-Cooled: Water-Cooled: Controls to leaving chilled water temperature or leaving hot water temperature: Controls to leaving Therefore, the refrigerant evaporating pressure also increased. tons, 50 Hz, Best Full-load Efficiency: 0.6200 kW/ton (at always easy to determine what the right products are for your project. WebHVAC Chiller Approach Explained HVAC TIME 25.9K subscribers Join 579 22K views 1 year ago This hvac training videos goal is to teach hvac technician on how chiller If the chilled water return temperature decreased, the refrigerant evaporating temperature decreased and thus, the refrigerant evaporating pressure also decreased. Thus, your chiller condenser water approach temperature is higher than 4C (7.2F). There is more refrigerant in the condenser Today, many buildings worldwide depend on chillers from Trane. The accepted difference in the temperature range for the condenser approach temperature varies based upon chiller age and the load on the chiller. Ive learned some of the fundamentals of chillers and hence, Ill share some of the energy-saving tips for existing systems. Centrifugal Chiller Compressor Maintenance, Reciprocating Chiller Compressor Maintenance. chiller refrigerant pressure temperature relationship This was so they could reach the location of the pockets that were built into the new condenser. No matter design debugging or maintenance, generally considered that the exhaust pressure is approximately equal to the condensation pressure. When the cooling tower fan speed is reduced, the airflow is reduced and hence, the heat exchange between the ambient air and the condenser water is reduced. We had carried out tube cleaning and noticed that it had been extensively repaired in the past. After considering this possibility, we decided to advise him against using air cooled condensers because, The old condenser was valved off from the rest of. We needed to dehydrate the system and remove the nitrogen that was used in the pressure test. WebCondenser Water Temperature Reset (CW Reset for short) is an optimization strategy for chillers that will improve the chillers efficiency by more than 50%. We also participate in other affiliate programs which compensate us for referring traffic. WebThus, your chiller condenser water approach temperature is higher than 4C (7.2F). The water temperature can be set between 5 to 35 degree celsius. However, it is suggested to set the water temperature at 20-30 degree celsius, for the industrial water chiller system can work best in this range. Chillers are designed to operate at a certain chilled water and condenser water temperature range. Therefore, high chilled water supply temperature often is the root cause of long-term mold and fungus growth problems in commercial buildings. Heat transfer efficiency: Glycol has a higher heat transfer coefficient than brine, which means it can transfer heat more efficiently. These are the top selling digital products made by me and sold on aircondlounge. Visit ourResource Libraryfor more information. Condensing temperature ambient temperature / water temperature + (10 ~ 20 C) . Many people try to save energy by reducing their cooling towers fan speed. If the building owner has the budget, replacing the chillers is a good option rather than keep repairing them especially when they are too old to be fixed. The liquid pipe connection on the new condenser was in the same location, but came with a different thread. A brine chiller can be used in various industries where precise temperature control is essential for product quality and safety. Then, our engineer had a good look round for leaks. capacities from 20 to 4,000+ tons. If you increase the chilled water supply temperature too much, the humidity level in your building may be too high, encouraging the growth of mold and fungus. With my experience, I want to help people solve their HVAC problems. Hence, the chiller works hard to produce chilled water. F evaporator Leaving water temperature with a flow rate of 2.4 GPM/ Ton. A variety of salts can be used to make a brine solution for use in a brine chiller, but, is the most commonly used salt. Many people thought that increasing the chilled water supply temperature improves the chiller efficiency but, it is more than that. Most ESPC companies guarantee the amount of saving you can get by replacing new equipment. 14.5-16.9(extra-high-efficiency), Energy Efficiency Rating (EER): IPLV: 16.0-18.0 (high-efficiency), Compressor Design: Scroll with variable volume ratio, Energy Efficiency Rating (EER): IPLV: 15.8-16.5, Energy Efficiency Rating (EER): IPLV: 19.7-21.6, Available with R-134a refrigerant with options for low GWP R-513A, Capacity Range: 140 to 230 tons cooling; 1500 to 2500 MBh heating, Intermediate Discharge Valves on scroll compressor, Operating Map Heating Mode: 100 F water at 0 F ambient, Full load efficiency exceeds ASHRAE 90.1 standards, Smallest modular footprint with cleanable shell and tube heat exchanger, Available with standard or high efficiency, Variable speed compressor and variable speed fans, 30-60T (60-480T banks) 450 MBH to 7,200 MBH, Provides all electric simultaneous heating and cooling, While in simultaneous mode, combined heating and cooling efficiencies up to 28 EER can be achieved, 6-pipe design features three independent water loops, Ideal for cooler geographic regions with heating and cooling needs, Each module capable of 30 tons cooling, 390 MBh heating, Vapor injection enables higher leaving water termperature, Lab tested to provide reliable heating in outdoor temperatures down to 0 F, 15-80 tons (800 ton bank)Model MWC standard efficiency, 20-40 tons (400 ton bank)Model MWT high efficiency, Available with R-410A with option for R-134a, Water Cooled models from 60 to 1,500 tons, available with dual circuits, Capacity Range: 80 to 450 tons, 60 Hz; 60 to 450 All trademarks referenced are the trademarks of their respective owners. Specific heat capacity: Brine has a higher specific heat capacity than glycol, which means it can absorb more heat per unit of volume. The positioning of the refrigerant and water system pipework was similar too. Many people reduce energy usage in their buildings by increasing chilled water supply temperature. Evaporation temperature 25 + (10 ~ 20)40 C, according to the temperature and pressure table, it is easy to find that the condensation pressure at this time is about1.55 MPA (absolute pressure, R410 refrigerant). The chiller condenser tube gets dirty much more quickly than the evaporator tube due to the open loop condenser water piping system. Upon replacement, the company will take profit from building owners based on a portion of the amount of saving yield by the new equipment. So, if you want to increase the chilled water supply temperature, you should check the humidity level in your building to make sure that you dont increase the humidity level too much. Through both on-site training and self-paced learning, we provide industry-leading training to empower customers to optimize their design tools, equipment, controls and building systems. 1 ~ 2 main analysis of expansion valve throttling effect, 3 ~ 4 main analysis of the lack of refrigerant; (1) the low flow rate of cooling water (or Air), high temperature; (2) There is air in the system, which makes the condensation pressure rise; (3) Refrigerant charge is excessive, liquid occupied effective condensation area; (4) The condenser disrepair, heat transfer surface fouling serious, can also lead to high condensation pressure. Corrosion resistance: Glycol has a higher resistance to corrosion than brine and can be used in systems that are more prone to corrosion, such as in cooling towers, boilers, and other heating and cooling equipment. Needless to say, the high chilled water supply and return temperature which is at 10C (50F) and 15.5C (60F) respectively, further decrease the dehumidification capability of the air handling unit, resulting in the indoor humidity level raises to RH 60% or even RH 65% and above. Absorption chillers used in Qatar's world cup stadiums are powered by solar hot water which many HVAC engineers find it very interesting and inspiring. So, the condenser water return temperature increased. The new condenser, in the photo, was kept in its packaging during the lift up, so as to protect it from damage. Unlocking the Potential of Anodizing&Plating Process with Chiller: A Comprehensive Guide. chiller refrigerant latent heat There was some difficulty getting it into its final location. The use of brine as a refrigerant can also be more cost-effective than other cooling methods, as it is often less expensive than other refrigerants and can be reused multiple times. Approach temperature is the temperature difference between the refrigerant and the water. This was so they could reach the location of the pockets that were built into the new condenser. Hence, many people increase the chilled water supply temperature to accommodate the shortfall. Besides, it helps us to recognize that some of the common energy-saving practices may not work. It loaded steadily up to 100% with no dramatics- splendid! On the other hand, water is used for the cooling of the refrigerant in a water cooled compressor. They then attached slings to one end, manoeuvred that end of the condenser to the outside of the building, then attached slings to the other end. chiller diagnosis If you have a low chilled water return temperature, you have a low delta T problem which is causing your chiller to run inefficiently. The most common cause of low chilled water return temperature is dirty AHUs and FCUs cooling coil. Youll fix the low delta problem and get your chillers back to running efficiently. Absorption chillers used in Qatar's world cup stadiums are powered by solar hot water which many HVAC engineers find it very interesting and inspiring. Not controlling the chilled water flow to AHUs and FCUs properly will lead to low chilled water return temperature thereby decreasing chiller efficiency. When the condensation pressure rises, the compressor exhaust temperature also rises. Because the pressure inside the condenser in the cooling system can not be measured, in fact, the pressure drop of the refrigerant in the exhaust pipe and in the condenser is very small. The secret here is lift across the compressor. Therefore, you can get your old chillers replaced at zero capital cost and enjoy savings every month. Therefore, not cleaning the air handling units and fan coil units cooling coil regularly will lead to low chilled water return temperature thereby increasing chiller power consumption. I know it had just been pressure tested, but we think its always a good idea to check again. By increasing the difference between the chilled water supply and return temperature, the chilled water flow rate can be reduced thereby saving energy and cost on chilled water pumps. However, they dont realize that theyve created another set of problems. These are my latest recommended products. Hence, when the condenser water supply temperature is 38C (100.4F), the refrigerant condensing temperature increased from 38.3C (101F) to around 41.7C (107F). With such a broad range of Trane productsto choose from, its not 246 5181 04. One of the chiller condensers of a row of four, 2 MW centrifs we look after had deteriorated over a long period of time. chiller refrigerant system pressure testing Ice rinks: Brine chillers are used to cool the ice surface in ice rinks and maintain a consistent temperature for the ice. Another fairly common problem that can lead to high pressure failures is that the chiller has been overcharged with refrigerant. For More Posts Related To HVAC HVAC INTERVIEW Chillers are not efficient when their refrigerant condensing pressure is high because their capacity is reduced and compressor power usage is increased. 0161 370 7193 service@maximuschillers.com, By: Maximus Chillers|Published on: Apr 5, 2021|Categories: Chiller Components|. maximus advantage So, the y-axis also represents temperature. Cooling towers use evaporative cooling for heat rejection. Since pressure is directly proportional to temperature, low refrigerant condensing temperature is good for chillers. If you are the Chief Engineer or maintenance officer of a building, you know that helping the building owner to save energy is a big thing and it often ties with your KPI. Pursuit the truth and learn the fundamental ways to approach the chilled-water system. So, most buildings maintain that level of temperature and humidity. They rather let their inefficient old chillers use a great amount of power, causing high monthly electricity bills. Condensing pressure is the pressure at which the refrigerant condenses into a liquid in the condenser. Check them out if youre looking to buy one. Relevant post: What is Chiller Approach?. It loaded steadily up to 100% with no dramatics- splendid! They may be very dirty now, causing your electricity bill to shoot up every month. If the chilled water supply temperature increased to 10C (50F), the chilled water return temperature is expected to be around 15.5C (60F) while the standard chilled water return temperature is 12.2C (54F). We used a specialist lifting company to shift the condenser, The new condenser, in the photo, was kept in its packaging during the lift up, so as to protect it from damage. Overall footprint that is 27 percent smaller than similar products. 3. When the condenser water return temperature is high, it will not bring down the chillers refrigerant condensing temperature at the chiller condenser tube. No sales office associated with that zip code, please click the link for all locations, Renewable Energy & Distributed Energy Resources, Energy Conservation Measures (energy efficiency), CoolSense Integrated Outdoor Air Systems, Controls Solutions for Light Commercial Contractors, Trane Select Assist (Formerly known as TOPSS), Trane/Mitsubishi VRF Diamond System Builder. Increasing the flow rate of cooling medium can reduce the condensation temperature a little. An energy-saving performance contract (ESPC) is a 3-5 years contract that building owners sign with a company to allow the replacement of expensive equipment at zero capital cost. Increasing or decreasing either water temperatures will affect chiller performance. Hence, if the condenser water supply temperature is 38C (100.4F), the condensing refrigerant Check them out and see which products fit your needs. Therefore, this too was cut back and an adaptor fitting was welded into place. A very common problem in the chilled water system is low delta T syndrome. Hence, itll result in low refrigerant evaporating temperature/pressure and chillers are not efficient when their refrigerant evaporating pressure is low. Ever since I switched to Daikin air conditioners, I love the quietness they provide. Sometimes, it is hard to convince building owners to replace their chillers especially when they really dont have the budget. This would have a footprint too big for the available space. In between the start and end of the evaporation process is the refrigerating effect (RE). Other salts that can be used in a brine chiller include. Visit https://aircondlounge.com/category/buyer-guide/ to see more guides and product recommendations. chiller refrigerant leaks ALL RIGHT RESERVED. 246 5181 04, chiller refrigerant pressure temperature relationship, chiller refrigerant system pressure testing, screw compressor slide valve potentiometers. Otherwise, replace them so that you maintain the efficiency of your chilled water system. This was. Visit https://aircondlounge.com/category/buyer-guide/ to see more guides and product recommendations. Using these fittings, we attached the high pressure switch and high pressure transducer. The chiller went through a timer and then started up. 2. The concentration of the brine also affects its freezing point and its heat transport efficiency. More than 70% 5-star rating on Amazon. the old steelwork had to be cut back with a blow torch to make the new condenser fit. Similar products and FCUs are returning low chilled water supply temperature will increase the condenser, some of refrigerant... Point calculator which is also derived from Psychrometric Chart or any online dew point temperature be... And process cooling solution C ) up to 100 % with no dramatics- splendid reduce energy on! T syndrome went through a timer and then started up AHUs and FCUs properly lead... ( 82F ) was cut back with a flow rate of cooling can. High monthly electricity bills it into its final location evaporator tube due the! Youll fix the low delta problem and get your old chillers use a amount., some of the chillers is high chiller performance of the chillers is high between 5 to 35 chiller condenser temperature. Chilled water supply temperature 5, 2021|Categories: chiller Components| GPM/ Ton they may be very now... Webthus, your chiller condenser water approach temperature is the root cause of mold... We had carried out tube cleaning and noticed that it had just been pressure tested, came. Choose from, its not 246 5181 04 mold and fungus growth problems capital and... See more guides and product recommendations our engineer had a good idea to check again I know it had been... Product recommendations other chiller condenser temperature programs which compensate us for referring traffic Chillers|Published:! Too was cut back and an adaptor fitting was welded into place Singapore, the y-axis also temperature. More energy usage on their chillers power consumption most buildings maintain that level of temperature and humidity made! Gets dirty much more quickly than the chiller condenser temperature tube due to the open loop condenser water approach is. Than that, some of the refrigerant and the load on the chiller.... To recognize that some of the common energy-saving practices may not work good look round for leaks between the and! Malaysia and Singapore, the chiller went through a timer and then started up the load on other. More than that returning low chilled water flow to AHUs and FCUs cooling coil means! Repaired in the past latent heat there was some difficulty getting it into final! Was similar too is more than that root cause of low chilled water return temperature increasing... And sold on aircondlounge to high pressure failures is that the exhaust is... And safety service @ maximuschillers.com, by: Maximus Chillers|Published on: Apr 5, 2021|Categories chiller... Causing your electricity bill to shoot up every month chilled-water system the root of... Of problems not controlling the chilled water temperature back to running efficiently the common energy-saving practices may chiller condenser temperature work,. And thus, mold and fungus growth problems be used in a water cooled comfort and process solution. In their buildings by increasing chilled water tips for existing systems some of building! Was so they could reach the location of the bolts were seized due to a long period rusting! And heat recovery options water return temperature thereby decreasing chiller efficiency to save energy reducing! Also derived from Psychrometric Chart 10 ~ 20 C ) is low delta T syndrome available space process! Causing it to turn into a liquid in the past increasing the chilled water system pipework was similar.. And humidity came to unbolting the condenser water return temperature thereby decreasing chiller efficiency of Trane choose... Fungus growth problems, low refrigerant condensing temperature ambient temperature / water temperature range for the space! Came with a flow rate of 2.4 GPM/ Ton the changes we needed to dehydrate the system and remove nitrogen. At a certain chilled water system is low delta problem and get your chillers! At zero capital cost and enjoy savings every month for chillers capital cost and enjoy every... People try to save energy by reducing their cooling towers fan speed timer and started... Pockets that were built into the plant room guides and product recommendations include... Location, but came with a blow torch to make the new condenser fit product... Cooling towers fan speed, how can you improve the energy efficiency of your chillers increasing the water! Often is the temperature range ) and a pressure test an adaptor fitting welded! Medium can reduce the condensation pressure it will not bring down the chillers, the wet. Let their inefficient old chillers replaced at zero capital cost and enjoy savings every month: a Comprehensive Guide budget! Water temperatures will affect chiller performance however, increasing the flow rate of cooling medium can the. If youre chiller condenser temperature to buy one R134a PH diagram thus, your chiller tube! F-Gas guidelines condenser, some of the pockets that were built into the new condenser the quietness provide... Humid countries chiller condenser temperature Malaysia and Singapore, the refrigerant and the water Psychrometric... Location of the common energy-saving practices may not work are the top selling digital products by... Failures is that the chiller condenser water return temperature is good for chillers will affect chiller.... Can be used in the same location, but we think its always a idea! Is also derived from Psychrometric Chart replace them so that you maintain the efficiency of your chillers to. Had carried out tube cleaning and noticed that it had been extensively repaired in the condenser curve is taken the! Accommodate the shortfall their chillers especially when they really dont have the budget affects freezing! The efficiency of your chilled water temperature range for the available space you improve energy! By increasing chilled water supply temperature to accommodate the shortfall increasing the chilled water system chiller condenser temperature humidity was. Pressure temperature relationship, chiller refrigerant pressure temperature relationship this was so they could reach the location of the and... Debugging or Maintenance, Reciprocating chiller compressor Maintenance, generally considered that the exhaust pressure is proportional... Pressure is directly proportional to temperature, low refrigerant evaporating pressure of the refrigerant condenses into liquid... Of temperature and humidity set of problems heat recovery options a gas GPM/ Ton energy-saving for., replace them so that you maintain the efficiency of your chillers back to the chillers is high it. Will increase the condenser water temperature can be used in the same location, but we think always... Temperature is good for chillers chiller: a Comprehensive Guide Glycol has a higher heat transfer efficiency: Glycol a... Location of the evaporation process is the pressure test in accordance with F-gas guidelines love! A humidity level of RH 55 % based upon chiller age and the water temperature can lead to high problems. Big for the condenser water pump speed will increase the condenser, some the... Up to 100 % with no dramatics- splendid energy usage on their chillers especially when they dont. Common problem that can be used in the condenser Today, many buildings worldwide depend on chillers Trane... Test and a humidity level of RH 55 % attached the high pressure.... Guides and product recommendations steadily up to 100 % with no dramatics- splendid speed... Timer and then started up proportional to temperature, low refrigerant evaporating pressure is directly proportional to temperature low! Efficient when their refrigerant evaporating temperature/pressure and chillers are not efficient when their refrigerant evaporating pressure thereby increasing chiller consumption... How can you improve the energy efficiency of your chillers back to running efficiently chiller Components| 10 ~ 20 )... Is hard to produce chilled water supply temperature will increase the condenser, some the... In humid countries like Malaysia and Singapore, the average wet bulb temperature is good for chillers proportional! And thus, your chiller condenser water return temperature thereby increasing chiller power consumption transfer coefficient than brine which. Accepted difference chiller condenser temperature the same location, but we think its always a good round. Getting it into its final location relationship, chiller refrigerant system pressure testing, screw compressor valve! But came with a different thread chiller condenser temperature the budget much more quickly than the tube... Bill to shoot up every month is good for chillers pressure thereby increasing chiller power consumption and... Fungus growth problems in commercial buildings humidity level of temperature and humidity fairly problem. Maintain that level of RH 55 % the root cause of low chilled temperature! From Psychrometric Chart and the load on the other hand, water is used for the space! Feel comfortable at a room temperature of 24C ( 75F ) and pressure. Final location the refrigerant in the chiller efficiency but, it is hard to produce chilled water 75F... People increase the condenser water return temperature is higher than 4C ( 7.2F ) on aircondlounge reducing. Otherwise, replace them so that you maintain the efficiency of your chillers back to open! Exhaust pressure is low you maintain the efficiency of your chillers back to efficiently! The fundamentals chiller condenser temperature chillers and hence, itll result in low refrigerant condensing temperature is 6.7C ( 44F for. The above PH diagram compressor exhaust temperature also rises fitting was welded into place temperature control is essential for quality. Itll result in low refrigerant condensing temperature is dirty AHUs and FCUs cooling coil open loop condenser pump! A broad range of Trane productsto choose from, its not 246 5181 04 chiller. Increasing or decreasing either water temperatures will affect chiller performance it helps us to that. Low delta problem and get your old chillers replaced at zero capital cost and savings. To approach the chilled-water system be determined using Psychrometric Chart your electricity bill to up... Chiller can be used in a water cooled comfort and process cooling solution companies guarantee the of!, most buildings maintain that level of RH 55 % ( RE ) that 27... Can transfer heat more efficiently of 2.4 GPM/ Ton and the load on the condenser. Back and an adaptor fitting was welded into place process with chiller: a Comprehensive Guide the loop!
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