Water Cooled Chiller With Screw Compressor(Double Systems)
Water Cooled Chiller With Screw Compressor(Double Systems)
  • Features
  • Technical Data
  • Application
Features
1. Compressor: adopt international brand semi closed 5:6 non symmetrical double screw type air cooled special type compressor.
2. Heat exchanger: evaporator use high efficient shell and tube heat exchanger, condenser use high efficiency copper pipe+hydrophilic aluminum fin; with high pressure, high heat transfer efficiency, maintenance free, long service life, etc.;
3. Control system: using SIEMENS control system, advanced PLC control technology, can accept the programming, perfect communication function;
4. The electrical system: SIEMENS, Schneider and other national brands of electrical components, waterproof type control cabinet;
5. Man-machine interface: Chinese and  English man-machine interface, touch type liquid crystal display operation, simple procedures, one key to start, automatic operation;
6. Chiller maintenance: chiller adopts integral design, compact structure, simple, strong corrosion resistance, with waterproof control cabinet, to ensure that the unit can be placed outside the long-term is not easy to fade, corrosion.
7. The choice of environmental protection type R407C or R134a refrigerant.
 
Technical parameter table (water cooled chiller unit at normal temperature)
Item                 Model SLW-
100.1 135.1 180.1 195.1 235.1 260.1 305.1 320.1 350.1 385.1
Nominal cooling capacity KW 100 135 180 195 235 260 305 320 350 385
104Kcal/h 8.6 11.6 15.5 16.8 20.3 22.4 26.3 27.6 30.2 33.2
Operation control mode PLC automatic control of programmable controller
Power Supply 380V/3N~/50Hz
Compressor Type 5-6Asymmetric semi enclosed twin screw compressor
Qty 1台
Start type Y-△Start
Capacity control 0-33-66-100% 0-25%-50%-75%-100%
Input power KW 22.6 29.8 37.3 41 49.9 54.3 61.1 64.3 70.8 78
Rated Current A 39.3 51.9 64.9 71.3 86.8 94.5 106.3 111.9 123.2 135.7
Evaporator Type High efficient shell and tube heat exchanger
Water volume m3/h 17.2 23.2 31 33.6 40.6 44.8 52.6 55.2 60.4 66.4
Connection pipe diameter   DN65 DN80 DN100 DN125
Water pressure drop Kpa 48 48 50 50 50 52 54 55 55 58
Condenser Type High efficient shell and tube heat exchanger
Water volume m3/h 21.5 29 38.7 41.9 50.5 55.9 65.6 68.8 75.3 82.8
Connection pipe diameter   DN65 DN80 DN100 DN125
Water pressure drop KPa 46 46 47 47 48 49 51 53 53 56
Refrigerant Type R22
Filling quantity kg 20 27 36 39 47 52 61 64 70 77
Dimension Length mm 2100 2360 2450 2860 2860 2860 2860 2860 2860 3225
Width mm 700 700 900 900 900 900 900 900 900 900
Height mm 1410 1520 1580 1600 1720 1745 1745 1770 1880 1960
Unit weight kg 850 1050 1270 1340 1640 1680 1720 1750 2080 2300
Running weight kg 900 1150 1420 1540 1890 1940 1990 2050 2330 2550

Remark:
1.Nominal operating conditions:chilled water in/out temperature 12℃/7℃; cooling water in/ot temperature 30℃/35℃.
2.Temperature condition:chilled waterout water temperature range is 5℃~15℃,cooling waterout water temperature range is 19℃~33℃
4.Water side design of evaporator and condenser under pressureis 1.0MPa.
5.Evaporator water side fouling factor under nominal operating condition is 0.018m2•℃/kW,condenser water side fouling factor under nominal operating condition is0.044m2•℃/kW;
 
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