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Air-Cooled Low-Temp Chiller

(Screw)

Industrial air-cooled chiller with semi-hermetic screw compressor for low temperature cooling ranging from -30° to +0°C

Air-Cooled Low-Temp Chiller (Screw)
  • Air-Cooled Low-Temp Chiller (Screw)
  • Air-Cooled Low-Temp Chiller (Screw)
  • Air-Cooled Low-Temp Chiller (Screw)
  • Refrigerant: R22/R404A
  • Power source: 3Ph 380V~415V 50Hz/60Hz
  • Compressor: semi-hermetic screw compressor
  • Chilled water temperature range: -30°C to 0°C (adjustable temperature)
  • Min. dimensions (L×W×H): 2530×1700×1960mm
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These large-capacity air-cooled low-temperature chillers are engineered for demanding applications in non-ferrous metallurgy, electronics, chemical processing, food production, air separation, and hydrogen energy cooling. Operating temperatures can be precisely set between -30°C and 0°C, making them suitable for diverse industrial processes.

These industrial air-cooled chillers are equipped with Bitzer or Hanbell semi-hermetic screw compressors, along with components and electrical controls from leading global brands, to ensure reliable and consistent performance. The PLC control system with HMI touch interface offers intuitive operation, while units can be customized to match specific site conditions and process requirements.

Air-Cooled Low-Temp Chiller (Screw)
Air-Cooled Low-Temp Chiller (Screw)
Air-Cooled Low-Temp Chiller (Screw)
Technical Specifications
Model (HTS-***) 40A 50A 60A 80A 90A 100A 110A 135A 150A
Nominal cooling capacity -10℃ kW 47 61.6 66.3 88.7 105.2 111 123.6 144.5 175.9
-20℃ 27 35.6 38.2 51.2 60.9 64.2 71.7 83.6 101.9
-30℃ 12.8 17 18.2 24.4 29.2 30.7 34.3 40 48.8
Input power kW 40.7 50.3 56.3 73.6 82.6 88.2 95.5 115.4 136.2
Power source 3Ph 380V-415V 50Hz/60Hz
Refrigerant Type R22/R404A
Charge kg 28 35 42 52 59 63 70 84 90
Control Thermostatic expansion valve
Compressor Type Semi-hermetic screw compressor
Motor power kW 37.1 467 515 67.2 762 81 88.3 105.8 126.6
Start mode Y-△
Capacity control % 0-25-50-75-100
Evaporator Type Shell and tube evaporator/SS plate heat exchanger
Chilled water volume -10℃ m³/h 8.08 10.59 11.4 15.25 18.09 19.09 21.25 24.85 30.25
-20℃ 4.64 6.12 6.57 8.8 10.47 11.04 12.33 14.37 17.52
-30℃ 2.2 2.92 3.13 4.19 5.02 5.28 5.89 6.88 8.39
Water pressure drop kPa 32 35 38 4 47 45 43 43 41
Pipe connection inch 3 3 3 3 3 4 4 4 5
Condenser Type Air-cooled type finned copper tube condenser
Fan Type High-flow low-noise axial fan
Power kW 0.6×6 0.6×6 0.8×6 08×8 0.8×8 0.9×8 09×8 0.8×12 0.8×12
Air flow m³/h 53520 53520 74520 99360 99360 120960 120960 149040 149040
Safety devices
  • Compressor internal protection
  • Overcurrent protection
  • High/low pressure protection
  • Over temperature protection
  • Flow rate protection
  • Phase sequence/phase missing protection
  • Low level coolant protection
  • Anti-freezing protection
  • Exhaust overheat protection
Dimensions Length mm 2530 2650 2950 3310 4000 4300 4300 5650 5650
Width mm 1700 180 180D 1870 2000 2000 2000 2000 2000
Height mm 1960 2060 2160 2200 2050 2170 2170 2070 2070
Net weight kg 1350 1650 1950 2250 2400 2600 2860 3000 3250
Running weight kg 1450 1750 2100 2450 2600 2850 3110 3300 3550
The data mentioned above is based on the following design conditions:
  • Condensing temperature: 48°C
  • Ethylene glycol–water solution concentration: 47.8% by volume

Note: Specifications are subject to change without prior notice

Model (HTSL-***) 80AD 100AD 120AD 160AD 180AD 200AD 220AD 270AD 300AD
Nominal cooling capacity -10℃ kW 94 123.2 26 177.4 210.4 222 247.2 289 351.8
-20℃ 54 71.2 76.4 102.4 121.8 128.4 143.4 167.2 203.8
-30℃ 25.6 34 36.4 48.8 58.4 61.4 68.6 80 97.6
Input power kW 80.6 100.6 112.6 145.2 165.2 176.4 191 230.8 272.4
Power source 3Ph 380V~415V 50Hz/60Hz
Refrigerant Type R22/R404A
Charge kg 56 70 84 104 118 126 140 168 196
Control Thermostatic expansion valve
Compressor Type Semi-hermetic screw compressor
Motor power kW 37.1×2 46.7×2 51.5× 2 67.2× 2 76.2×2 81×2 88.3×2 105.8×2 126.6×2
Start mode Y-△
Capacity control % 0-25-50-75-100
Evaporator Type Shell and tube evaporator/SS plate heat exchanger
Chilled water volume -10℃ m³/h 16.16 21.18 22.8 30.5 36.18 38.18 42.5 49.7 60.5
-20℃ 9.28 12.24 13.14 17.6 20.94 22.08 24.66 28.74 35.04
-30℃ 4.4 5.84 6.26 8.38 10.04 10.56 11.78 13.76 16.78
Water pressure drop kPa 45 43 43 41 42 45 42 46 48
Pipe connection inch 3 4 4 5 5 6 6 6 8
Condenser Type Air-cooled type finned copper tube condenser
Fan Type High-flow low-noise axial fan
Power kW 0.8×8 0.9×8 0.8×12 0.9×12 0.8×16 0.9×16 0.9×16 08×24 0.8×24
Air flow m³/h 99360 120960 149040 181440 198720 241920 241920 298080 298080
Safety devices Inner thermostat for compressor motor Overload relay High and low pressure switch Anti-freeze protection Reverse phase protection relay Discharge gas thermostat Flow switch
Dimensions Length mm 4000 4300 5650 5980 8000 8600 8600 11300 11300
Width mm 2000 2000 2000 2000 2000 2000 2000 2000 2000
Height mm 2050 2170 2070 2170 2050 2170 2170 2070 2070
Net weight kg 2600 3050 3450 3800 4200 4450 4850 5300 5550
Running weight kg 2900 3350 3750 4200 4600 4950 5350 5900 6150
The data mentioned above is based on the following operating conditions:
  • Condensing temperature set at 48°C
  • Ethylene glycol–water mixture with a 47.8% volume ratio
    For models HTSL-150AD and above, the chiller design is modular.

Note: Specifications are subject to change without prior notice

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In locations where water is readily available, water-cooled low temperature chiller is typically the best option. These cooling systems provide stable cooling performance and are generally more energy-efficient, which is suitable for operations that require consistent temperature control.

Manufacturers in the pharmaceutical and biotechnology sectors typically require precise temperature control and consistent cooling performance. Water-cooled chillers, especially scroll or screw models, are suitable for these applications. They offer stable operation and high accuracy, helping ensure reliable production conditions for sensitive materials.

Food and beverage producers generally require higher cooling capacity to preserve freshness during large-scale production. In these cases, water-cooled scroll or screw chillers are usually more appropriate than air-cooled models, as they offer greater efficiency and better support for continuous, high-volume operations.

For companies with tighter budgets and limited maintenance capabilities, air-cooled low-temperature chillers offer a practical and efficient solution. These systems are compact, easier to install, and require minimal maintenance, which is ideal for operations that need reliable cooling without complex infrastructure.