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Product series
Model: DW-W series
Type: Water-cooling heat dissipation (external cooling water tower/cooling water source required)
Refrigeration capacity range: 15KW~135KW
Temperature control accuracy: ±1℃
Temperature range: 5℃~35℃
Water pump pressure: 2Kg~8kg (customization available)
Can it be customized: Yes (supports various non-standard customization)
Delivery time: 5~15 working days
Introduction of water-cooled chiller box
The chiller is a refrigeration system composed of a compressor, evaporator, condenser, and expansion valve. Its condenser (radiator) is a shell&tube style, and it exchanges heat to cool water for external cooling water tower and cooling water pump.
The core advantage of water-cooling chillers: high energy efficiency ratio, used in places with cooling water sources. Low noise, etc.
Application areas:
Davosi water-cooling chiller boxes are widely used in semiconductor processing, chip packaging, aerospace, reliability testing, chemical reactions, biopharmaceuticals, surface treatment, material processing, vacuum coating,
scientific experiments and other industries. It can accurately control the heat generated in modern industries and processes, improve production efficiency and ensure production quality. There are many varieties and types of this
chiller type.
Product features
1, The control system of chiller unit adopts a microcomputer controller with a simple and generous user interface, easy operation. Wide temperature range 5℃ to 35℃.
2, The core compressor is from internationally renowned brands such as Denmark DANFOSS, Japan Sanyo, Daikin, and the United States Copeland, which is a reliable guarantee for the unit operation.
3, The core expansion valve is from international branded components such as Denmark Danoss, USA Emerson.
4, The electrical appliances are from internationally renowned electrical components such as LS, Schneider, Siemens, Omron, etc., and no special machine room is required.
5, It is equiped with a cooling system, cooling water pump, chilled water pump, and water tank. It runs immediately after turning on, easy operation. An external cooling water system is required.
6, The internal pipes of the machine are made of PCV/PPR/galvanized pipes or stainless steel pipes, which can be customized per customer need. The pipes are insulated with 25mm thickness PE insulation cotton. This prevents
loss of cooling capacity on the pipes and the generation of condensate water on pipe surface.
Technical Data Sheet
| Model | DW-5W | DW-8W | DW-10W | DW-15W | DW-20W | DW-25W | DW-30W | DW-40W | DW-50W | ||
| Cooling Capacity | KW | 15 | 24 | 30 | 45 | 60 | 75 | 90 | 120 | 150 | |
| Kcal/h | 12900 | 20640 | 25800 | 38700 | 51600 | 64500 | 77400 | 103200 | 129000 | ||
| Power | KW | 4.8 | 7 | 9 | 12.5 | 17.2 | 21 | 26 | 34 | 41 | |
| Operating Current | A | 12 | 17.5 | 22.5 | 32 | 43 | 53 | 65 | 85 | 103 | |
| Power Supply | 3PH 380V50Hz 200V/220V/415V 50Hz(60Hz) | ||||||||||
| Temperature Range | ℃ | 5-35 | |||||||||
| Temperature Accuracy | ℃ | ±1 | |||||||||
| Cooling Agent | Type | R22（R407C/R410A/R134A） | |||||||||
| Weight | KG | 2.5 | 4.1 | 5 | 7.4 | 10.5 | 12.8 | 16 | 21 | 26 | |
| Compressor | Expansion Method | Capillary | Expansion Valve | ||||||||
| Type | Vortex | ||||||||||
| Capacity | KW | 4 | 6 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | |
| Water Tank | Volume | L | 65 | 110 | 180 | 280 | 280 | 400 | 400 | 610 | 610 |
| Material | （Stainless Steel SUS304 ） | ||||||||||
| Water Pump | Lift | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | |
| Capacity | 0.75 | 0.75 | 1.5 | 1.5 | 2.2 | 2.2 | 4 | 4 | 4 | ||
| Evaporator | Type | Water tank coil（Shell & Tube, Plate Evaporator） | |||||||||
| Cool Water Flow | m3/h | 2.8 | 4.8 | 6.2 | 9.3 | 13 | 16 | 18 | 27 | 32 | |
| Condenser | Type | Shell & Tube | |||||||||
| Cool Water Flow | m3/h | 3.4 | 6.5 | 8.1 | 12 | 16 | 20 | 24 | 33 | 38 | |
| Inlet & Outlet | Pipe Diameter | IN | G1-1/2〃 | G1-1/2〃 | G2〃 | G2〃 | G2-1/2〃 | G2-1/2〃 | G2-1/2〃 | G3〃 | G3〃 |
| Safety Protection | Compressor overheat protection, overcurrent protection, high and low pressure protection, overtemperature protection, flow protection, power phase sequence or phase loss protection, exhaust overheat protection, antifreeze protection。 | ||||||||||
| Dimension | Length | mm | 1000 | 1350 | 1350 | 1700 | 1700 | 1700 | 1900 | 1900 | 1900 |
| Width | mm | 500 | 550 | 550 | 700 | 850 | 850 | 850 | 900 | 900 | |
| Height | mm | 1000 | 1050 | 1050 | 1100 | 1200 | 1400 | 1400 | 1500 | 1500 | |
| Weight | KG | 150 | 260 | 290 | 400 | 440 | 620 | 690 | 850 | 1000 | |
Note:
1, Refrigeration capacity is based on: chilled water inlet and outlet water temperature 12℃/7℃; cooling water inlet and outlet water temperature 30℃/35℃, condensing temperature 30℃ (nominal cooling capacity)
2, Working range: chilled water temperature range: 5℃～35℃; chilled water inlet and outlet water temperature difference: 3℃ to 8℃, control accuracy ±1℃～±2℃
3, Widely used in scenariost with an ambient temperature not higher than 35℃ and with good ventilation
4, The above table only show standard model parameters. Please call us for special purpose or need.
Machine pictures and schematics
The following pictures show a water-cooling chiller box model: DW-20W. Please call the sales engineer for more info.
Water-cooling Chiller 30HP
2, Schematic diagram of water-cooling chiller refrigeration system