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Shanghai Coxin Technology Co.,Ltd is one of the best air-cooled screw water chiller CSAD-720~1650 manufacturers and suppliers China, welcome to buy discount and wholesale low price air-cooled screw water chiller CSAD-720~1650 from our factory.
Product Name: Air-cooled Screw Water Chiller(with double compressors)
Model No.: CSAD-720~1650
Product Introduction
Screw water chiller is designed for extreme tropicalized weather conditions, with a quiet, low-vibration of screw compressor to reduce sound levels, it is also the ideal solutions for sound sensitive environments where noise is a concern. With the highest energy efficiency, the screw water chiller is suitable for medium-large scale industrial cooling or HVAC, widely applied in central cooling project in plastic factory, chemical factory etc. It is a good choice for energy saving and environment friendly.
Product Features
1. Low noise and ultra llow noise models options, Quiet operation;
2. Wide water temperature range from 5ºC to 35ºC;
3. Bitzer semi-hermetic screw compressor, with optimal performance;
4. 4 grade capacity control, 25%-50%-75%-100%, providing precise temperature control;
5. Shell and tube evaporator, high efficiency and cleanable(plate type available on request);
6. Aluminum fin type of condenser with adequate heat exchanging surface.
7. Direct drive axial fan motor, with independent motor support bracket.
8. Microprocessor controller, Chinesse/English language options, fully automatic PLC based units, overall monitoring of unit running status;
9. Multi-protection equipped to ensure the chiller and machine running safety.
10.Compact design, easy installation and maintenance.
Product Application
HVAC, plastic industry, electroplating industry, electronic industry, fish farming, construction etc..
Product Parameters
| Model No. | CSA- | |||||||||||
| 720.2H | 840.2H | 900.2H | 980.2H | 1060.2H | 1100.2H | 1270.2H | 1390.2H | 1480.2H | 1650.2H | |||
| Nominal cooling capacity | kw | 720 | 840 | 900 | 980 | 1060 | 1100 | 1270 | 1390 | 1480 | 1650 | |
| 104kcal/h | 62 | 72 | 77 | 84 | 91 | 95 | 109 | 120 | 127 | 142 | ||
| Nominal heating capacity | kw | 782 | 912 | 978 | 1064 | 1152 | 1194 | 1380 | 1510 | 1608 | 1792 | |
| 104kcal/h | 67 | 78 | 84 | 92 | 99 | 103 | 119 | 130 | 138 | 154 | ||
| Running control mode | Full-automatic PLC controller | |||||||||||
| Power source | 380V/3P/50Hz | |||||||||||
| Total power | KW | 229.2 | 266 | 283.6 | 308.6 | 333.4 | 342.8 | 396.6 | 431.2 | 468.2 | 511.4 | |
| Total running current | A | 401.1 | 465.5 | 496.3 | 540.1 | 583.5 | 599.9 | 694.1 | 754.6 | 819.4 | 895 | |
| Compressor | Type | 5-6 Twin-screw semi-hermetic compressor | ||||||||||
| Start-up Type | Y-△ Start-up | |||||||||||
| Parameter Regulation | 0-12.5-25-37.5-50-62.5-75-87.5-100% | |||||||||||
| Cooling Power | KW | 204 | 237.2 | 258.4 | 276.2 | 297.4 | 306.8 | 360.6 | 400 | 425 | 468.2 | |
| Cooling Current | A | 357 | 415.1 | 445.9 | 483.4 | 520.5 | 536.9 | 631.1 | 700 | 743.8 | 819.4 | |
| Heating Power | KW | 199 | 231.2 | 248.4 | 269.2 | 290 | 354.2 | 375.4 | 390 | 414.4 | 456.4 | |
| Heating Current | A | 348.3 | 404.6 | 434.7 | 471.1 | 507.5 | 619.9 | 657 | 682.5 | 725.2 | 798.7 | |
| Evaporator | Type | Horizontal shell and tube type | ||||||||||
| Chilled water volume | m3/h | 123.9 | 144.6 | 154.9 | 168.7 | 182.4 | 189.3 | 218.6 | 239.2 | 254.7 | 284 | |
| Pipe connection | DN | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 250 | 250 | |
| Water pressure drop | kPa | 59 | 61 | 65 | 67 | 69 | 71 | 73 | 74 | 76 | 77 | |
| Condenser | Type | Hydrophilic aluminum foil , efficient internal thread finned copper tube type | ||||||||||
| Air Volume | m3/h | 273600 | 319200 | 342000 | 372400 | 402800 | 418000 | 482600 | 528200 | 562400 | 627000 | |
| Fan | QTY | pcs | 14 | 16 | 16 | 18 | 20 | 20 | 20 | 24 | 24 | 24 |
| Unit Motor power | m3/h | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | |
| Refrigerant | Type | R22 | ||||||||||
| Charge | kg | 188 | 220 | 235 | 256 | 277 | 288 | 332 | 364 | 387 | 432 | |
| Control | Thermostatic expansion valve | |||||||||||
| Safety devices |
Inner thermostat for compressor motor, unit overload relay,high and low pressure switch, freeze protection thermostat, reverse phase protection relay, discharge gas thermostat, flow switch |
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| Dimension | Length | mm | 8000 | 9000 | 9500 | 10200 | 11000 | 11000 | 11800 | 13200 | 13200 | 13200 |
| Width | mm | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | 2200 | |
| Weight | mm | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2560 | 2560 | 2560 | 2560 | |
| Net weight | kg | 6500 | 7400 | 7800 | 8750 | 9200 | 9500 | 9800 | 10500 | 11500 | 12200 | |
| Running weight | kg | 7200 | 8100 | 8600 | 9600 | 10100 | 10500 | 10800 | 1600 | 12700 | 13400 | |
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The above specifications are according to the following design conditions: 2. For heating: Hot water inlet/outlet temperature 40℃/45℃, ambient dry ball temperaure 7℃, wet ball temperature 6℃; 4. Nominal dirt coefficient at water side of evaporator is 0.018M2℃/kw. | ||||||||||||
Our Service
Cooling the heat!
We are professional at industrial cooling solutions, for scew water chiller(air-cooled scew water chiller, water-cooled scew water chiller) we can delivery in 2~3 weeks; each unit of chiller is factory tested before delivery. Normally, the package is inner carton & outter plywooden case for exporting shipment; MOQ of 1pc is acceptable; 3D/CAD drawing and technical support also we can provide. Clients’ satisfaction is our pursuit!
