Welcome to Dongguan Carno Machinery Co., Ltd. official website!
Phone: 0769-81081780
Fax: 0769-81081781
Contact: Eric Yuan
Wechat:86-13631797575
Website: www.dgcarno.com
Main: screw chiller, chiller, refrigeration unit, industrial chiller, cooling tower, mold temperature machine, suction machine, mixer, metal separator, central feeding system

Air-cooled screw chiller

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  • Parameter table

1. The use of world-famous imported original semi-hermetic screw compressors, compared with the traditional reciprocating compressor, features high efficiency, quiet operation, simple operation, long service life, etc.
2. The use of world famous brand refrigeration components to ensure the unit's quality and stable operation;
3. Evaporators and condensers adopt the latest high-efficiency threaded copper tubes for heat transfer, high heat transfer coefficient, and high heat exchange efficiency for tube evaporation and tube condensation to ensure good refrigeration performance of the unit;
4. Independent refrigeration circuit can be independently maintained and overhauled without affecting the use of the whole machine;
5, the unit can achieve intelligent program control according to the load demand: 100%, 75%, 50%, 25% (or start), 0, save energy;
6, security protection function is complete, ensure the stable operation of the machine;
7. The unit vibration is very small, the foundation does not need vibration isolation measures, installation is simple;
Keno Air-cooled Screw Unit Features:
High performance copper tube water-cooled shell tube evaporator;
Efficient copper tube set aluminum fin + low noise axial fan;
PLC precision control panel;
Freezer cryogenic protection;
Anti-freeze switch;
Operating status;
Thermal expansion valve;
LCD panel;
Time display;
Fault display;
Compressor suction/exhaust pressure;
Imported dry filter;
Precise temperature control range;
Keno Air-cooled Screw Chilling Unit Uses:
◆ Electroplating bath cooling;
Ultrasonic cleaning fluid cooling;
◆ Chemical industry cooling;
◆ Various cooling in the food industry;
◆Industry dust-free workshop cooling constant temperature;
◆ Various industries central air conditioning;
◆ Mold cooling in the plastics industry;
◆Electronic laser equipment cooling.
Model KNR- 100AS 130AS 160AS 180AS 240AS 300AS 380AS 460AS
Cooling capacity X1000kal/h 81.3 111.8 137.6 154.8 206.4 258 326.8 395.6
Kw 94.5 130 160 180 240 300 380 460
Ton 26.9 37 45.5 51.2 68.2 85.3 108 130.8
Voltage 3PH-380V-50/60HZ
Compressor Power KW 30.2 39.8 46.6 56.2 74.6 91.4 109.9 133.9
Operating current A 52.54 68.84 80.54 97.54 129.18 157.88 189.48 219.48
Energy regulation 0-25%-50%-75%-100%
protective device Phase sequence, high and low pressure, overload,   anti-icing, water cut-off, start-up delay, exhaust temperature. Motor winding temperature rise protection
Condenser High efficiency copper tube fin
Condenser inlet and outlet diameter 2-1/2" 3" 3" 3" 3" 4" 4" 4"
Water side heat exchanger (m3/h) 16.3 22.4 27.5 31 41.3 51.6 65.4 79.1
Fans Air volume 40000 480000 595000 750000 950000 120000 122000 155000
Diameter 4X710 4X710 4X710 4X800 8X710 8X710 8X710 16X800
Refrigerant R22
Dimensions (MM) L 2250 2250 2250 2250 4500 4500 4500 4500
W 2100 2100 2100 2100 2100 2100 2100 2100
H 2400 2400 2400 2400 2400 2400 2400 2400
Weight (kg) 1100 1350 1520 1630 2520 2700 3300 3700
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