Liebert XD High Heat Density Precision Air Conditioner
The Liebert XD series air conditioners are high-end units on a global research and design platform, designed specifically for high heat density data centers. Multiple refrigeration hosts and end devices are available for selection.
- Product Introduction
Company Introduction
Hebei Jinnuoda Communication Equipment Sales Co., Ltd. is a professional sales power supply, power module, UPS uninterruptible power supply and other products of the company. A wide variety of products, high quality, reasonable price, fashion design, widely used in communication engineering industry and other industries. Our products are widely recognized and trusted by users to meet the changing economic and social needs. Welcome new and old customers from all walks of life to contact us, create future business relations, create brilliant! We promise that the performance of all products are strictly tested and tested before shipment aging test, plus load test to ensure product quality and provide high-quality after-sales service. During the warranty period, we can always provide quality assurance and supply spare parts.
Why Choose Us
Our factory
Hebei Jinnuoda Communication Equipment Sales Co., Ltd. is a professional sales power supply, power module, UPS uninterruptible power supply and other products of the company. A wide variety of products, high quality, reasonable price, fashion design, widely used in communication engineering industry and other industries.
Quality assurance
We promise that the performance of all products are strictly tested and tested before shipment aging test, plus load test to ensure product quality and provide high-quality after-sales service. During the warranty period, we can always provide quality assurance and supply spare parts.
Delivery speed
Complete packaging to ensure products quality, and transport to the destination in the time.
Our service
We try and respond to all concerns within 24 hours and our teams are always at your disposal in case of any emergencies.
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What Is Liebert XD High Heat Density Precision Air Conditioner
The Liebert XD series air conditioners are high-end units on a global research and design platform, designed specifically for high heat density data centers. Multiple refrigeration hosts and end devices are available for selection. 100% sensible heat ratio design, using R134a refrigerant for cooling, without water entering the machine room, efficient and energy-saving. Local air circulation, good cooling effect, and low energy consumption. The Liebert XD host boasts an impressive cooling capacity ranging from 130kW to 150kW, while individual refrigeration terminals offer flexibility with capacities spanning 8kW to 30kW. This system intelligently adapts its cooling capacity in real-time, dynamically responding to heat fluctuations from room equipment, ensuring optimal performance.
Advantages of Liebert XD High Heat Density Precision Air Conditioner
Manage IT equipment's concentrated heat load
Most IT office spaces are not originally designed to house high heat-generating equipment but have no other option but to do so. High-performance equipment makes conventional cooling solutions ineffective and creates an unsuitable working environment. Precision air conditioners, however, are specifically designed to handle high heat trapped in small, congested areas and expel it in whatever method the system uses.
Operate non-stop, round-the-clock
Even if the outside temperature is cool and comfortable, IT spaces require air conditioning to remove the trapped heat. Even in such scenarios, you cannot use commercial air conditioning for IT applications because they are designed to operate when the outside temperature is roughly 55 degrees Fahrenheit.
Air filtration and volume
Compared to a less dense "comfort" application, a high-density heat load in a small space requires more air exchanges. Ordinary air conditioning cannot provide the volume of air needed by IT equipment. Normal office spaces require only two air changes per hour, but an IT room requires multiple changes per hour. This air volume is compulsory to handle temperature fluctuations, hot spots, and ideal heat ratios within the IT environment.
Control room temperature to the best of their ability
A conventional AC system's capacity is split between cooling the space and eliminating moisture from the air. This combination creates a comfortable, optimal temperature when the temperature rises. About 40% of the system's capacity regulates the humidity in this case. The rest of the capacity, which is 60%, is dedicated to regulating the air temperature and keeping the place cool.
Components of Liebert XD High Heat Density Precision Air Conditioner
Compressor
These units are equipped with higher efficient scroll compressor/ digital scroll compressor or inverter scroll compressor on demand. Features low vibration, low noise and high reliability which works 24/7. Unlike comfort ac compressor in pac system are fitted inside indoor unit only.
Evaporator
Finned tube evaporator with high heat dissipation efficiency is used. The distributor, with its model-specific design, ensures that the refrigerant is distributed evenly in each loop, improving the evaporator efficiency to a great extent.
Thermal expansion valve
The external equalizer type thermal expansion valve collects temperature and pressure signals at the same time, so that it can regulate the refrigerant flow more accurately. Electronic expansion value can also be used for enhanced performance.
Humidifier/dehumidifier/electrical heater
Humidifier or dehumidifier fitted in the unit is adjustable to a wide range of water qualities, with fast start-up and high humidifying efficiency important in order to control the static electricity in the air. Electrical heaters are used to lower humidity of space.
Ec fan
The system uses centrifugal backward or forward curve ec (electronically controlled) fan with high efficiency and reliability, large airflow and long blowing distance. This are very low noise fans.
Air filters
High efficiency air filters are used to remove dust & other particles from supplied air.
Filter drier
The filter drier can effectively eliminate the moisture in system within a period of time, filter the impurities generated during long-term system operation and ensure normal system operation.
Micro-processor controller
Each precision ac is equipped with an advance microprocessor controller.
Room temperature and humidity sensor
Temperature and humidity level to be set in the microprocessor controller for the desired condition to be maintain in the room. Pressure sensors in the floor void to precisely control the supply rate, placing temperature sensors on the intake grills on the server rack is recommended to control the supply temperature from the crac units as this matches the actual intake.
Condenser coil
The outdoor condenser unit consists of fin tube type condenser coil where hot refrigerant transfers heat energy to the atmosphere which was collected from the space to be cooled.
Condenser fan
High efficiency axial fans are used to blow outside air over condenser coil for effective heat transfer.
Precision Air Conditioning (PAC) shares similarities with conventional air conditioning but stands out due to its exceptional precision in regulating temperature and humidity. It functions by employing a cooling system designed to ensure the server room's temperature and humidity remain within optimal ranges. This is achieved through an evaporator coil, which lowers air temperature, and a blower system that distributes cooled air throughout the space.
Furthermore, PAC systems incorporate air filtration mechanisms to uphold air quality within the server room. These filters efficiently remove dust and contaminants, safeguarding equipment from damage and contributing to a healthier operational environment.
Proper sizing
Ensure that the pac is appropriately sized for the space it needs to cool. An oversized unit can lead to short cycling and reduced efficiency, while an undersized unit may struggle to maintain the desired temperature.
Regular maintenance
Implement a strict maintenance schedule. Clean or replace filters regularly, inspect coils, and check for any refrigerant leaks. A well-maintained pac operates more efficiently.
Optimal temperature settings
Set the temperature to the recommended range for your equipment and space. Lowering the temperature too much will increase energy consumption without providing significant benefits.
Humidity control
Use the pac's humidity control settings to maintain the desired humidity level. This can help improve comfort and reduce the workload on the unit.
Seal gaps and insulate
Ensure that the space is properly insulated and that there are no gaps or leaks around windows, doors, and ducts. Proper insulation prevents cool air from escaping and warm air from entering.
Use variable speed fans
If your pac has variable speed fans, use them to match the airflow to the cooling load. This reduces energy consumption when the cooling demand is lower.
Hot aisle/cold aisle configuration
In data centers and server rooms, use hot aisle/cold aisle configurations to optimize airflow and cooling efficiency. This reduces the workload on the pac.
Install air curtains
In spaces with high foot traffic, consider installing air curtains at entrances. They help maintain temperature separation between indoor and outdoor environments.
Utilize economizer mode
If your pac has an economizer mode, use it when outdoor conditions permit. This mode allows the unit to use outside air for cooling, reducing compressor operation and energy consumption.
Monitor and control
Invest in a monitoring and control system that allows you to track temperature and humidity levels, adjust settings remotely, and receive alerts for any issues. This enables proactive maintenance and efficient operation.
Heat load management
Minimize heat-producing equipment in the cooled space. Use energy-efficient lighting and isolate heat-generating equipment in separate rooms or enclosures.
How To Choose The Right Liebert XD High Heat Density Precision Air Conditioner For Your Business
Beyond considering the features we shared above, entrepreneurs should also consider the following factors when choosing their ideal precision cooling system.
Load capacity of the room
The most obvious factor to consider is the data centre's load capacity. The more pieces of equipment in the room, the more heat will be generated. As a result, business owners will require a more powerful precision cooling system to cool their rooms. Our thermal management equipment comes in a range of capacities, ranging from 5kW to 800kW to accommodate all types of applications.
Space size and logistics
The floor size of the data centre will have a tremendous impact on the type of precision cooling solution that business owners can choose. A large, traditional data centre with raised floors can accommodate a larger computer room air conditioning unit. In contrast, smaller data centres may only accommodate a fan wall unit that can be mounted on the rack or the ceiling.
Heat rejection method
The heat rejection method utilised by the precision cooling solution will likely be the defining factor for most business owners when choosing their ideal cooling system. The best option depends on what building systems are available and the architecture of the data centre.
Additionally, floor space and available outdoor and roof space will be crucial. Lastly, entrepreneurs utilising high-density applications may want to consider emerging liquid cooling solutions, which are better suited to these environments. By keeping all of these issues in mind, as well as considering efficiency, operating costs, and environmental concerns, business owners are sure to identify the precision cooling system that works best in their given IT space.
How To Troubleshoot A Liebert XD High Heat Density Precision Air Conditioner
There are several things you can do to troubleshoot a precision air conditioning unit
Check the filters
The filters in a precision AC unit should be checked regularly. If the filters are dirty, the unit will not be able to operate efficiently.
Check the thermostat
The thermostat in a precision air conditioning unit should be checked regularly. If the thermostat is not working properly, the unit will not be able to maintain the desired temperature.
Check the refrigerant
The refrigerant in a precision air conditioning unit should be checked regularly. If the refrigerant is low, the unit will not be able to cool the room properly.
Precision air conditioning units are a great way to improve the comfort and productivity of your home or office. They can also help to reduce energy costs and improve the lifespan of your equipment. If you are looking for a way to improve your indoor environment, a precision air conditioning unit is a great option to consider.
Our Factory
Hebei Jinnuoda Communication Equipment Sales Co., Ltd. is a professional sales power supply, power module, UPS uninterruptible power supply and other products of the company. A wide variety of products, high quality, reasonable price, fashion design, widely used in communication engineering industry and other industries. Our products are widely recognized and trusted by users to meet the changing economic and social needs. Welcome new and old customers from all walks of life to contact us, create future business relations, create brilliant! We promise that the performance of all products are strictly tested and tested before shipment aging test, plus load test to ensure product quality and provide high-quality after-sales service. During the warranty period, we can always provide quality assurance and supply spare parts.
FAQ
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