Available from 700 kW to 10,370 kW and with a world-class COP of 6.7, LG centrifugal Chillers have:- Significantly reduced power consumption; Low hydraulic-head loss rate. With optimized Two-stage compressing cycle, energy efficiency has been improved and operation costs has been reduced as opposed to the previous One-stage Centrifugal Chiller. South Railway Station, Shanghai, China 19XR750 X4 Shangri-la Hotel Phase II, Shanghai, China 19XR750 X2 19XRV750 X1 Wal-mart Asia Center, Shenzhen, China 19XR1200 X4 … Carrier water-cooled chillers have tons of capacity. Max. Centrifugal water systems were the focus of cholorfluorocarbon (CFC) legislation in the 1980 that drove the … If the angle of entry is changed, then the refrigerant flows slower through the compressor and volute, this reduces the kinetic energy and pressure. But opting out of some of these cookies may have an effect on your browsing experience. To find out more, please watch the video below. 1922, manufacture of the first centrifugal chiller with cooling capacity of 10,000 RT in 1972, and introduction of non-ozone-depleting, chlorine-free refrigerant HFC-134a in 1996. At the reduced flow, the impeller’s capacity to develop the peak load head is also reduced. Centrifugal chiller compressor. ADVANCED INNOVATIONS FOR UNRIVALED PERFORMANCE, PROVEN EXPERIENCE IN APPLICATIONS, SERVICE AND SUPPORT. How do chillers control their cooling capacity? As part of the capacity control logic, OptiView™ controls the leaving chilled liquid temperature and adjusts the motor Some of the things the designer should consider when looking at water volume are the minimum cooling load, the minimum chiller plant capacity during the low load period and the Daikin provides outstanding durability for lower maintenance costs. There are four basic components of the refrigeration cycle. Ramón Corona 645-B, Sta. Designed for maximum efficiency in the real world where 99% of the cooling season is spent in off-design conditions. These machines are efficient, typically producing a cooling effect two-to-three times greater than the required energy input. […] heat caused by friction. Found the tutorials super useful? Centrifugal chillers are vulnerable to surge at part-load conditions and/or high lift conditions as shown in Figure 2. The Carrier 19XR/19XRV with a COP up to 6.5 (AHRI conditions) and an IPLV up to 7.4 or up to 10.5 with VFD centrifugal chillers provide exceptional value by achieving energy efficiency levels as high as 6.8 (COPr) utilizing proven technology designed specifically for chlorine-free refrigerants. Centrifugal chillers are popular because they have relatively few moving parts. With optimized Two-stage compressing cycle, energy efficiency has been improved and operation costs has been reduced as opposed to the previous One-stage Centrifugal Chiller. TheTrane centrifugal chiller line offers hundreds of individual evaporator-condenser-compressor combination selections, permitting precise tailoring of the machine capacity to system requirements. The lesser the angle, the less momentum the impeller will impart of the refrigerant. Thank you so much for your website,extremely helpful with troubleshooting our chiller. When the rated cooling capacity is 528 ~ 1163KW, its COP should not be less than 4.70. The latest technology for magnetic bearings is used in the compressor, the heart of the centrifugal chiller. You also have the option to opt-out of these cookies. However, this flow issue can be mitigated with variable speed drives. It controls the leaving chilled water temperature via pre-rotation vane control and has the ability to limit motor current via control of the pre-rota-tion vanes. The YORK® YK Centrifugal Chiller is built to last. When the rated cooling capacity is 528 ~ 1163KW, its COP should not be less than 4.70. Cooling capacity: 300-2600 Tons (1055.0kW-9142.0kW) HFC-134a Refrigerant Water Cooled Centrifugal Chiller HTS/HTC. Vane guides sit directly in the flow path of the refrigerant and can be controlled to change their position. While, below the 1000 kW cooling capacity, centrifugal chillers are not that used. Centrifugal chillers are available in capacity ranging from hundreds to thousands of tons. With a wide range of water-cooled chiller types (scroll, screw, and centrifugal), capacities (16 to 5,500 Tons) and sustainable refrigerant options, Carrier is a leader in the industry. They are easy to maintain and long-lived. The exclusively designed algorithm allows the optimized operation. The pump has a maximum pumping capacity of 84 m³/h at a maximum pressure of 5 bar. Centrifugal chillers have been dominating the HVAC market for cooling capacities above 1000 kW. We'll assume you're ok with this, but you can opt-out if you wish. With seismic certification OSP-0045-10, this water-cooled chiller can maintain operation in the event of an earthquake, making it ideal for sensitive applications, like hospitals or data centers. Most centrifugal motors have a … With HVAC costs making up 40 percent of commercial building energy consumption, the right chiller represents an incredible opportunity to reduce the energy intensity of the world. Lower installation, operating and maintenance costs with system design choices that pay off in less than one year. LG CENTRIFUGAL CHILLER Introduction & Feature World Class High Efficiency COP 6.7 / IPLV 8.0 ... LG 2 stage centrifugal chiller is high efficient and reliable by adapting special design with 2nd inlet guide vane and semi-hermetic type compressor. Large Capacity. The capacity control continuously monitors the characteristics of the compressor discharge gas and optimizes the diffuser spacing to minimize gas-flow disruptions from the impeller. For large-capacity systems ranging from 1055 to 17581 kW, refrigerant R-1234ze(E) was selected to replace R-134a, partly since the physical properties are similar. Since most centrifugal chillers are water-cooled, they are the primary focus of this clinic. After cooling building load, chilled water temperature increases and then returns back to chiller evaporator. How do chillers control their cooling capacity? 1 2. Lower installation, operating and maintenance costs. Water-cooled centrifugal chillers are generally available from 100 to 3,000 Scroll to the bottom to watch the YouTube tutorial on Centrifugal chillers. Contemporary business people communicating while porter moving among them The more closed the vane guide, the greater the angle of entry into the impeller. We also use third-party cookies that help us analyze and understand how you use this website. YZ Magnetic Bearing Centrifugal Chiller 150-2,020 TR (530-7,104 kW) The YORK® YZ challenges conventional, water-cooled chiller design to deliver superior performance, lower cost of ownership and a new definition of sustainability. Centrifugal chillers provide high cooling capacity with a small footprint. Modular to centrifugal. As mentioned, the vane guides sit in the flow path of the refrigerant. When the vanes modulate their position and are either partly or fully closed, the refrigerant hits into the vane guide which in turn changes the direction it was flowing in. One of the most common ways, for centrifugal type chillers, is to use vane guides. These cookies do not store any personal information. Scroll to the bottom to watch the YouTube tutorial on Centrifugal chillers The compressor is […] LG Electronics offer high-efficiency chlorine-free, water-cooled centrifugal Chillers using the R-134a refrigerant. How Do Centrifugal Chillers Works? High-efficiency Compressor Increased compressor efficiency 3 dimensional blade impeller (2 stages) Optimally designed diffuser with vane Low rotating speed compressor enables the use of low-loss bearing structure. Centrifugal water chillers These machines are efficient, typically producing a cooling effect two-to-three times greater than the required energy input. All Rights Reserved. The vanes are aerodynamically profiled to minimise the pressure drop across them from the flow of refrigerant. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Shanghai Shenglin is a professional manufacturer in China specializes in refrigeration units and air conditioning units. Water-cooled centrifugal chillers ar e generally available from 100 to 3,000 Save my name, email, and website in this browser for the next time I comment. Ton Capacity = 239,904 BTU/hr. The full failing film heat exchange technology also be used to increase the efficiency and decrease the refrigerant charging volume up 40% less compared to the flooded type. The YK chiller can offer hot water temperatures to supplement a building's hot water needs. Necessary cookies are absolutely essential for the website to function properly. LG Centrifugal Chiller COP 6.7 IPLV 8.0 Cooling Capacity 200~3,000RT. Provides wider operation range at a low-load condition, and prevents stall from discharge gas for stable operation. Gantry Crane for Centrifugal Chiller Maintenance. CAT 633 • CENTRIFUGAL WATER CHILLERS 6 www.DaikinApplied.com feaTures and benefITs Enhanced Surge Protection When centrifugal compressors operate at part load, the volume of refrigerant gas entering the impeller is reduced. This website uses cookies to improve your experience while you navigate through the website. centrifugal chillers. 45045, Mexico. The large inductive motors associated with centrifugal chillers increase the reactive power portion of the building’s power triangle. Midea Centrifugal Chillers are a significant investment in your building system. We have optimized our fleet of water-cooled chillers to help you maximize efficiency, benefit the environment and reduce operating expenses. Every project has its own specific requirements and needs. CENTRIFUGAL LIQUID CHILLER WITH ECONOMIZER COMPRESSOR CONTROL CENTER OPERATION Form 160.77-02 (1111) Form 160.77-02 (1020) R-134a Issue Date: October 23, 2020 MODEL YKEP 2700 - 3200 TON LD15301a. The amount of cooling generated needs to vary to match the load, otherwise too much heat can be removed and this will cause the chiller to freeze. Design of centrifugal chiller using low-GWP refrigerant. Centrifugal chillers are the most common type of chiller available in the market. The chiller produces chilled water by removing the thermal energy, from the “chilled water loop” within the evaporator, which was picked up from the building. Midea Centrifugal Chillers are a significant investment in your building system. During installation, operation maintenance or service, … At low-load conditions the flow of refrigerant may not be sufficient to maintain flow through the compressor causing a stall or a surge if flow is momentarily reversed until pressure is sufficient for flow to resume. At low-load conditions the flow of refrigerant may not be sufficient to maintain flow through the compressor causing a stall or a surge if flow is momentarily reversed until pressure is sufficient for flow to resume. 2,500USRT with single compressor. Centrifugal chiller capacity can be seriously compromised at low-load conditions. Shanghai Shenglin is a professional manufacturer in China specializes in refrigeration units and air conditioning units. There are many methods used to change the position, some use oil pressure from the lubrication system, others will with a belt driven motor, a gear ratio. As you move the angle of your hand, you will feel the air flow over the top or bottom of your hand and there will be a resulting force pushing against your hand depending on its angle. Centrifugal chillers have been dominating the HVAC market for cooling capacities above 1000 kW. There are four basic components of the refrigeration cycle. We engineered an unprecedented array of innovations into an integrated design that delivers superior performance with efficiencies as low as 0.20 kW/ton (17.6 COP). Ozone-Friendly Refrigerant. Evaporator . Variable Diffuser. Hot or cold, humid or dry – a facility must handle the challenges of climate and seasonal or even hourly variations. In some models the oil is used to control and adjust the movement of the vane guides which control the cooling capacity. The YK chiller delivers real-world performance thanks to an exclusive combination of features. Anita Tlaquepaque, Jal. For centrifugal chiller, the coefficient of performance (COP) is as follows: When the rated cooling capacity is less than 528KW, its COP should not be less than 4.40. Centrifugal Chiller achieved high efficiency through Two-stage Compressor. Larger centrifugal units, then, can even provide several thousand kW. The vane guides are a triangular shape and multiple vane guides sit radially in the cross sectional area. For centrifugal chiller, the coefficient of performance (COP) is as follows: When the rated cooling capacity is less than 528KW, its COP should not be less than 4.40. We combine the highest level of application engineering support, controls software programming expertise and mechanical system experience to meet your challenges. They are located between the suction line and the compressor. Modular to centrifugal. How do chillers control their cooling capacity. Power factor (p.f.) When the vanes are fully open the refrigerant simply passes straight over them, this occurs at full capacity to provide maximum cooling. Dual compressor centrifugal chillers take up less floor space than multiple single compressor chillers while delivering the combined capacity. Our patented technology delivers the quietest centrifugal chiller products on the market. The YORK® YK has a wide range of application uses, including heat pump capability. Vane guides sit directly in the flow path of the refrigerant and can be controlled to change their position. IMM WSCWDC-5 Centrifugal Chillers 7 load falls below the minimum chiller plant capacity or on close-coupled systems with very small water volumes. centrifugal chillers operate so that they will better understand the interdependency of the chiller and the other components of the chilled water plant. A dual compressor chiller can also provide installed costs savings of up to 35% compared to installing two separate chillers. 2,500-3,500 tons cooling capacity; Utilizes an economized cycle; See Product Details . When the rated cooling capacity is greater than 1163KW, its COP should not be less than 5.10 LG CENTRIFUGAL CHILLERS 700 - 10,370 KW Capacity | COP 6.7 / IPLV 8.0. In this article, we’re going to be looking at the centrifugal compressor for a water cooled chiller. is the ratio of actual power (kW) to apparent power (kVA). Phone: 01 52 (33) 31 22 22 27 / 01 52 (33) 5000 3300 / 01 52 (55) 5351 2857 Evaporator control in industrial refrigeration engineering. In evaporator, refrigerant vaporizes to absorb heat from returned chilled water and cool it to the set point temperature. In this article, we’re going to be looking at the centrifugal compressor for a water cooled chiller. Nominal cooling capacity : 2 800-10 500 kW. The most common method, within centrifugal compressors, is to use vane guides. You can imagine this like placing your hand out flat, through the window of a moving car. From schools to data centers, this water-cooled, centrifugal chiller delivers flexibility, performance and efficiency to any facility. minimum chiller plant capacity during the low load period and the desired cycle time for the compressors. Centrifugal chiller capacity can be seriously compromised at low-load conditions. Decentralized chillers are usually small in size and cooling capacity, usually from 0.2 to 10 short tons (0.179 to 8.929 long tons; 0.181 to 9.072 t). © 2020 Johnson Controls. LGC- X30 controller is ready for multi-language support; Chinese, English and Korean. Centrifugal chillers are popular because they have relatively few moving parts. Feltre, 07 September 2020 DF20G007GB-01(EC1) - 4 R1234ze = nearly zero environmental impact, Eco-friendly solution The environmental benefits of R1234ze compared to R-134a Refrigerant Refrigerant type HFO HFC GWP < 1 … The perfect choice for large combined-heating-and-power (CHP) plants. The full failing film heat exchange technology also be used to increase the efficiency and decrease the refrigerant charging volume up 40% less compared to the flooded type. While, below the 1000 kW cooling capacity, centrifugal chillers are not that used. 2 ... 19XR HERMETIC CENTRIFUGAL LIQUID CHILLER CONFIGURATION SETTINGS LOG (Remove and use for job file) Controller name _____ Bus No. Get contact details and address | ID: 20448714533 Read about company. This is very bad for chillers, if they are not designed to do this, and will result in material fatigue, where pipes burst internally and refrigerant is then able to leak. Compared to installing two separate chillers, a dual compressor chiller can provide installed costs savings of up to 35 percent. Further, it is compatible with YORK Solid State Starter (optional) and electro-mechanical starter applications. We are going to be looking in detail about the operation of the compressor, it’s purpose and why it’s important. Raj Shree Refrigeration - Offering Mild Steel LG Modular Centrifugal Chiller, Cooling Capacity: 500~3,000RT at Rs 725000/unit in Jaipur, Rajasthan. Larger centrifugal units, then, can even provide several thousand kW. You have entered an incorrect email address! 250-3,000 TR (880-10,550 kW) From schools to data centers, this water-cooled, centrifugal chiller delivers flexibility, performance and efficiency to any facility. Carrier water-cooled chillers have tons of capacity. Since most centrifugal chillers are water-cool ed, they are the primary focus of this clinic. centrifugal chillers. Centrifugal Chiller achieved high efficiency through Two-stage Compressor. of centrifugal chiller hardware and software that expands the chiller operating range and improves chiller performance. Centrifugal chiller –Capacity range. Carrier's AquaEdge® chillers offer the best value in high-efficiency, chlorine-free centrifugal HVAC chillers. This website uses cookies to improve your experience. A keypad mounted on the front of the Control Center These cookies will be stored in your browser only with your consent. About Us. LG CENTRIFUGAL CHILLERS. It is mandatory to procure user consent prior to running these cookies on your website. Why to use a centrifugal chiller. The position of the vane guides can be adjusted, typically based on the leaving water temperature of in the evaporator. TheTrane centrifugal chiller line offers hundreds of individual evaporator-condenser-compressor combination selections, permitting precise tailoring of the machine capacity to system requirements. Designed for maximum efficiency in the real world where 99% of the cooling season is spent in off-design conditions Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. ÷ 12,000 = 19.992 Tons; Oversize the chiller = 19.992 x 1.2 = 23.9904; A 23.9904 or 25-Ton chiller is required; There also industry specific rules of thumb for chiller sizing depending on your application: Metal Finishing; Medical Chiller; Plastics Processing; Food Processing; Unsure what size chiller you need? A facility's challenges are unique, whether a school, hospital, high-rise building or data center, and each day is different. Designed for maximum efficiency in the real world where 99% of the cooling season is spent in off-design conditions, Lower installation, operating and maintenance costs, Advanced innovations, like a variable-speed drive, falling-film evaporator and OptiView™ Control Center, Designed for maximum efficiency in the face of real-world variables, where 99% of the cooling season is spent in off-design conditions, Earn LEED® Points with credits for Energy and Atmosphere (EAc1) and for Enhanced Refrigerant Management (EAc4), Heat-recovery option available in units up to 2,800 TR (7,000 kW) can provide 1,200 to 40,000 MBH of heat, With the OptiSpeed™ Drive, energy consumption can be as low as .20 kW/TR, reducing annual energy costs by as much as 30%, Falling-film evaporator reduces refrigerant charge up to 40%, OptiView™ Control Center ensures optimum performance and easy operation, With variable-speed drive, a variable-geometry diffuser and magnetic-bearing technology YORK® YZ delivers up to 35% annual energy savings versus traditional, fixed-speed, oil-bearing chillers, Magnetic-bearing driveline offers outstanding reliability and 80% fewer moving parts than traditional oil- or refrigerant-lubricated drivelines, Robust and reliable high-speed, hermetic induction motor reduces maintenance, Economized refrigeration cycle to extend capacity and improve efficiency, OptiView™ Control Center continuously monitors system operation, Variable-speed driver delivers superior performance at both design and off-design conditions for higher efficiency, Application flexibility of the chiller handles a wide range of leaving- and entering-chilled-water temperatures, fluid flows and steam conditions, Modular configuration provides maximum flexibility, customization and compact footprint, Two YORK® centrifugal compressors operating in parallel on a common set of heat exchanger shells, Full-color OptiView™ Control Center for control management at your fingertip. In GVMODE=1 the centrifugal chiller's capacity is controlled by varying the angle of the inlet guide vanes 29 between a predetermined maximum open position and a fully closed position and by varying impeller speed, if the stated conditions in steps 56, 58, 60, and 62 are sampled and found to be true. This category only includes cookies that ensures basic functionalities and security features of the website. chiller vane guide radial – fully openchiller vane guide radial – fully closed. CENTRIFUGAL CHILLER DF19D015GB-00 15 • Capacity control is performed by combining 2 settings: (1) inverter frequency (2) IGV opening / closing • Usually capacity control is done by inverter because it is more efficient. YK Centrifugal Chiller 250-3,000 TR (880-10,550 kW) From schools to data centers, this water-cooled, centrifugal chiller delivers flexibility, performance and efficiency to any facility. Chillers Nominal cooling capacity 1000 - 5300 kW 50 Hz Installation, operation and maintenance instructions. Why to use a centrifugal chiller. period three Compressor Capacity Control .....22 period four Maintenance Considerations .....30 period five Application Considerations ... Centrifugal water chillers can also be divided into two types based on the method used to reject heat to the atmosphere: water-cooled or air-cooled. period three Compressor Capacity Control .....22 period four Maintenance Considerations .....30 period five Application Considerations ... most centrifugal chillers are water-cool ed, they are the primary focus of this clinic. The author has seen many instances of cen-trifugal chiller surge and evaluated chillers that have had catastrophic failures from continued surge. When the rated cooling capacity is greater than 1163KW, its COP should not be less than 5.10 LG CENTRIFUGAL CHILLERS 700 - 10,370 KW Capacity | COP 6.7 / IPLV 8.0. Water Cooled Centrifugal Chillers Cooling Capacity: 300 to 1500 TR (1055 to 5274 kW) - 2 - 1.0 GENERAL For most of the 20th Century, DB has been providing innovative solutions for the heating, air conditioning and refrigeration needs of its customers. HERMETIC CENTRIFUGAL LIQUID CHILLER Cooling Capacity 1055-5274kW Energy-saving and High Efficency, Reliability, Environmental Leadership, Advanced Design, Convenient Installation and Easily Operated Control System. Centrifugal chillers provide high cooling capacity with a small footprint. [vc_video link=”https://youtu.be/f-N4isgQRGQ”]. The oil must be forced onto the surfaces of critical components such as the bearings and drive […], thank yo very much , and it is very full to write my manuscript pertaining the chillers in facility management, Many thanks aloe for this site and this vedio which showing all the details realy im too much happy with this site this site must be the better site because all explanations to much clear with vedio and every thing. This change in direction means the refrigerant will hit the compressor impeller at a different angle. Machine selections can be computer optimized to provide low fi rst cost, low operating cost, or other criteria important for a particular selection. Although this guide is generally non-proprietary, examples and some descriptions of chiller fundamentals and features use Daikin Applied nomenclature and model names and numbers. www.DaikinApplied.com 3 CAT 605-7 • CENTRIFUGAL WATER CHILLERS InTroduCTIon Model WDC • Capacity: 600-2500 tons (AHRI conditions) • Outstanding part load performance • Redundancy for increased reliability • Some sizes available with 10/11kV50Hz power option Model WCC • Capacity: 1000-2700 tons (AHRI conditions) Contents Introduction 01 Technology Features 02 Technical Data 07 Dimensions 09 Options /Startup Range 12 Nomenclature 01 Application Standard / … Model Number Nomenclature Cooling Capacity Features Selection Table Elecrical Data Chiller Dimensions Starter Dimensions Nozzle Dimensions Typical Piping and Wiring FORM 160.77-O2 ISSUE DATE: 10/23/2020 2 JOHNSON CONTROLS This equipment is a relatively complicated apparatus. The gantry crane in the picture is available to aid with the lift and shift of the compressor, should compressor failure occur. Contents Introduction 01 Technology Features 02 Technical Data 07 Dimensions 09 Options /Startup Range 12 Nomenclature 01 Application Standard / Water Quality Management 13 Dual Compressor Centrifugal Chillers 05 Control Features06. To minimize this, capacitors are often added. Centralized chillers generally have capacities ranging from ten tons to hundreds or thousands of tons. We are going to be looking in detail about the operation of the compressor, it’s purpose and why it’s important. Centrifugal water chillers can also be divided into two types based on the method used to reject heat to the atmo sphere: water-cooled or air-cooled. Primary and Secondary circuits in centralised HVAC systems, Chiller Oil Lubrication Circuit - The Engineering Mindset. Water-cooled chillers within the scope of the AHRI WCCL certification program are certified in accordance with the AHRI Water-Cooled Water-Chilling and Heat Pump Water-Heating Packages Certification Program, which is based on AHRI Standard 550/590 (I-P) and AHRI Standard 551/591 (SI). With a wide range of water-cooled chiller types (scroll, screw, and centrifugal), capacities (16 to 5,500 Tons) and sustainable refrigerant options, Carrier is a leader in the industry. The purpose of these vane guides is to change the flow direction of the refrigerant. Variable Diffuser. The Weco 250 AZ by gwk is a standard compact chiller with a rated cooling capacity of 251 kW. They are easy to maintain and long-lived. Centrifugal chiller compressor. The modulate their position between fully open and fully closed. 06 | 2020 LG Centrifugal chiller 2020 LG HVAC Solution | 07 Microprocessor-based controls LG’s Microprocessor-based controller, LGC-X30 enables the user to monitor and control the chiller with high-class accuracy and confi dence. Cooling capacity: 300-2600 Tons (1055.0kW-9142.0kW) HFC-134a Refrigerant Water Cooled Centrifugal Chiller HTS/HTC. Daikin dual compressor centrifugal chillers take up less floor space than multiple single compressor chillers while delivering the combined capacity. The demand for these chillers are much higher as compared to others, as they are regularly utilized for medium to enormous cooling loads (ranging from 150 to 6,000 tons of refrigeration). IM 1044-4 Centrifugal Chillers 7 Assuming that there are no sudden load changes and that the chiller plant has reasonable turndown, a rule of thumb of “gallons of water volume equal to two to three times the chilled water gpm flow rate” is often used. at a water outlet temperature of 15°C. LG Electronics offer high-efficiency chlorine-free, water-cooled centrifugal Chillers using the R-134a refrigerant. That's why YORK® created a centrifugal chiller that handles a project's unique variables – the YORK® YK Centrifugal Chiller. One of the most common ways, for centrifugal type chillers, is to use vane guides. Reduces Installed Costs. Today’s global company has a proud heritage that began over a 100 years’ ago. Keyless impeller coupling with high speed shaft . Available in a wide range of cooling capacities, CenTraVac chillers provide from 120 to 2,000+ tons of cooling with 60 Hz and 50 Hz power options. A large capacity machine is cost effective when considering energy efficiency and centrifugal chiller maintenance costs. It provides control of chiller operation and monitoring of chiller sensors, actuators, relays and switches. How Do Centrifugal Chillers Works? C.P. The Model CVGF chiller is ideal for offi ce, hospital, school, hotel, retail store and industrial buildings. LG CENTRIFUGAL CHILLERS. Centrifugal water chillers can also be divided into two types based on the method used to reject heat to the atmosphere: water-cooled or air-cooled. chillers. Ebara centrifugal chiller consists of centrifugal compressor, condenser, evaporator, economizer, throttling device and control panel etc.