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Home / Products / Air Cooled Chiller / Air Cooled Screw Chiller and Heat Pump, 280kW-1120kW / ​Air Cooled Screw Chillers Efficient For Industrial Applications
​Air Cooled Screw Chillers Efficient For Industrial Applications ​Air Cooled Screw Chillers Efficient For Industrial Applications
​Air Cooled Screw Chillers Efficient For Industrial Applications ​Air Cooled Screw Chillers Efficient For Industrial Applications
​Air Cooled Screw Chillers Efficient For Industrial Applications ​Air Cooled Screw Chillers Efficient For Industrial Applications

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​Air Cooled Screw Chillers Efficient For Industrial Applications

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· Cooling capacity range: 280KW to 1120KW, or modular type to get higher capacity
· Temperature controlling vibration: ±1℃
· Intelligent and comprehensive controlling and monitoring.
· Environmentally friendly refrigerant R134a, R407c
· Heat pump version available
· Heat recovery version available
Availability:
Quantity:

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 Product Description

Ruidong Air-Cooled Screw Chiller

Available in:

Cooling only, heat pump

Nominal Capacity Range (cooling): kW

280,320, 360, 460, 500, 560 Modules

Refrigerant:

R22/R134a/R407c

Precise temperature control

Air-Cooled Screw Chillers with Precise Outlet Water Temperature Control, thanks to the innovative combination of Continuous Capacity Control Compressor and electronic controls.

Screw compressor

Ruidong's Air Cooled Screw Chiller Units feature an upgraded twin screw compressor and advanced technology equipped with the Infinity Capacity Control from 25% to 100%. This innovative modulation ensures that the compressor load precisely matches the desired load, resulting in precise chilled water temperature control without the need for costly inverter devices.

Modular design

Ruidong's Air Cooled Screw Chiller Units have a modular design, offering scalability, customization, cost savings, and operational efficiency. Customers have the ability to tailor the chiller system to their exact requirements, ensuring optimal performance while minimizing unnecessary capacity that may go unused. This design simplifies installation, maintenance, and future expansions for a wide range of applications.

Finned condenser

Air cooling finned condenser is made with an inner grooved copper tube and hydrophilic aluminum fins, tightly bound together for optimal heat exchange. 

Shell and tube evaporator features pressure vessels made from high-quality steel plate. The evaporator baffle plate is made of PVC engineering plastic for corrosion resistance and improved heat exchange capacity. The exterior surface has flame-retardant water-proof heat-insulation and preservation materials. 


If you are looking for a reliable manufacturer to fulfill your industrial cooling requirements with an Air Cooled Screw Chiller, selecting the Ruidong brand would be an astute choice. Contact our sales engineer today to procure a high-performance Air Cooled Screw Chiller at cost-effective prices.

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 Product Details

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 Testing Quality

Our test center covers an area of 6,500 square meters, with a total investment of 50 million RMB, and is the largest and most complete testing facility in northern China. The test center conducts tests ranging from household air conditioner to the centrifugal chillers.

At our test center, we are capable of testing various types of units, including multi-connected units, air-cooled units, fan coil units, ceiling air handling units, modular air handling units, purified air conditioning units, water loop heat units, air-cooled module chillers, and air-cooled screw chillers.


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 Data Sheet

Product R22 & R407c Air Cooled Screw Type Water Chiller And Heat Pump
Type Screw Type
Model-RLSFC/RLSFCR 280 320 360 460 500 560
Nominal Cooling capacity kW 270 308 365 458 502 545
Cooling inpurt power kW 87 99 121 144 158 171
Running current A 172 194 236 279 308 338
Norminal Heating capacity kW 271 318 374 470 522 563
Heating input power kW 85 97 118 140 153 166
Running current A 157 176 214 252 278 305
Max. running current A 197 222 270 320 355 376
Cable diameter (copper wire distance ≤20 meters) mm2 3*95+2*50 3*120+2*50 3*150+2*70 3*185+2*95 3*185+2*95 3*240+2*120
Compressor Type Semi-hermetic screw
Quantity 1
Engerry steps
25%-50%-75%-100%
Power voltage 3N-380V-50HZ
Starting mode Y-▲ or by winding
Regrigerant Type R407c/R22
Charge (kg) 85 85 100 125 140 150
Control Electronic expansion valve (EXV)
Condenser type Type Internally threaded copper tube & hydrophilic aluminum fins
Fan type kPa Axial type fan
Qty 6 6 8 10 10 10
Input power kW 2.2*6 2.2*6 2.2*8 2.2*10 2.2*10 2.2*10
Evaporator Type Shell & tube type
Water Pressure drop kPa 70
Water pipe Dia.DN 100 100 100 125 125 125
Water flow m3/h 46  53  63  79  86  94 
Heat recovery device Type Shell & tube type
Qty 30%
Water Pressure drop 70 
Water pipe Dia.DN 65  65  80  80  80  80 
Water flow m3/h 18  21  25  31  34  37 
Heat recovery device Type Shell & tube type
Qty 100%
Water Pressure drop 70 
Water pipe Dia.DN 80  100  100  100  100  125 
Water flow m3/h 37  42  50  62  68  74 
Noise dB(A) 79  79  79  81  81  82 
Dimension L mm 3190 3190 4100 5010 5010 5310
W mm 2250 2250 2250 2250 2250 2250
H mm 2480 2480 2480 2480 2480 2480
Net weight kg 2500 3000 3500 4700 5400 5800
Operation weight kg 3100 3500 4000 5100 5800 6200
Main protection measures 1.High &low voltage protection;                       2.Anti-freezing protection; 
3.Temperature control;                                      4.Owe anti-phase protection;    
5.High & low pressure protection;                    6.High pressure exhaust temperature protection; 
7.Built-in motor overheating protection;          8.Over-current protection; 
9. Safe valve;                                                     10.Check valve     
Remarks: 1.Cooling standard working conditions:ambient temperature 35℃DB/24℃WB;
cold water inlet temperature 12℃,outlet temperature 7℃
2.Heating standard working conditions:ambient temperature 7℃DB/6℃WB;
cold water inlet temperature 40℃,outlet temperature 45℃



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