Midea air cooled screw chiller 380V-3Ph-50Hz LSBLGW900 900kw silent operation screw air cooled chiller T1
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Product Details
Midea flooded air cooled screw chiller adopts high efficiency semi-hermetic twin-rotor screw compressor, high efficiency evaporator and high efficiency inverted M-type fin-coil heat exchanger, through the EXV control technology, the unit can meet the needs of users in energy-saving mode within the working range. The unit adopts R134a environmentally friendly refrigerant. The products can be widely used in large and medium-sized commercial, civil or industrial buildings, and can also be used in areas with heavy anti-corrosion (optional).
| Power supply |
380V-3Ph-50Hz |
| Cooling Capacity |
400-1692Kw/113-481Ton |
| Power input |
120-540kw |
| COP |
3.02-3.34w/w |
| IPLV |
4.1-4.263w/w |
| Oil recharge type |
BSE170 |
| Refrigerant type |
R134a |
| Control type |
EXV |
| Condenser type |
Fin-coil |
Product Advantages
1.High Efficiency
High efficiency screw compressor
*The screw rotor adopts the optimized compression process profile design, not only ensures excellent volume efficiency, but also reduces the leakage of the compressor. The twin screw rotor adopts five teeth to six teeth asymmetrical design, the machining accuracy is as high as micron level, stable and reliable
*Refrigerant-cooled large capacity motor design, high motor efficiency. The screw rotor is driven by motor directly,
less moving parts and wearing parts, high mechanical efficiency
*Compressor adopts high efficiency bearing, high load resistance design, proprietary reverse bearing and balance axial thrust balance drum design, can effectively prolong the service life of the compressor and ensure the continuous operation of the chiller ≥ 50000 hours.
*The new protection module provides complete electrical protection for reverse and lose phases, and provides real-timetemperature detection of motor winding and discharge temperature detection, and has the function of fault self-locking toensure the safety of compressor operation.
High efficiency flooded evaporator
*The refrigerant distributor can distribute refrigerant evenly, optimize the temperature field and improve the evaporation
temperature, so as to improve the operating efficiency.
*Specially designed baffle plate to avoid the compressor suction with liquid, improving the reliability of the unit.
*The water box at both ends can be disassembled to facilitate maintenance.
2.Stepless Capacity Control
Through high-precision capacity control, the load change of the unit is closely tracked, and the refrigerant flow is adjusted. The capacity adjustment mode adopts stepless control, the refrigerating capacity is completely matched with the load, the unit still keeps efficient operation at partial load, and the outlet water temperature of the unit is stable, thus enhancing the userexperience
High precision EXV
*The unit adopts electronic expansion valve to control the refrigerant flow accurately, which has fast response speed and
quick adjustment, greatly improves the energy saving and stability of the unit and reduces the operation cost.
*Autonomous control to ensure accurate linkage between electronic expansion valve and unit.
3.Green and Low Noise
High efficiency and large air volume fan
*The impeller of the fan is optimized by professional flow field software, which ensures that the impeller has good
aerodynamic performance, obtains greater air volume while ensuring the low noise operation, and improves the
heat transfer effect on the air side.
*Through the optimization design of the motor coil, the motor of the fan can effectively reduce the loss and improve
the operation efficiency, so that the motor has less heat, less power consumption and long operation life.
4.Intelligent Control
It is controlled by microcontroller, and has many automatic control functions such as fault diagnosis, antifreeze monitoring,etc., which ensures the efficient operation and convenient operation of the unit. The unit has its own RS485 communication interface, and multiple units can implement multi-communication control; The unit can be controlled by the upper computer. The operation of each unit can be controlled by the upper computer according to the load demand and operation time.
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