250 Ton 900 Kw Air Cooled Screw Compressor Water Chiller Description
1.Air cooled screw chiller Unit adopts Germany BITZER or Taiwan HANBELL brand semi-hermetic screw compressor. The latest 5 to 6 patented screw rotor profile with excellent efficiency.
2.Adjustable infinite or closely stepped capacity control, features energy efficient, stable and quiet running.
3.Most advanced patented highest precision manufacturing process.
4.Built-in full intelligent monitoring and protection including thermal motor temperature monitoring, phase sequence monitoring, manual reset lock-out, oil temperature sensor.
5.Wide range of refrigerant for option, including R134A, R407c and R22(R404A, R507c upon request).
6.Microprogramming Control System
7.Industrial PLC centralized control combined with compressor capacity control system, precisely monitor.
8.Integrated protection for low temperature, high/low pressure, anti-freezing, phase missing, anti-phase, overload, motor over temperature, oil differential, flow switch, start up latency.
9.Optional operation language, menu leading, unit running state easy to adjust.
Design features
1.W shape aluminum fin type condenser, assuring adequate heat exchanging area within smaller unit size
2.High efficient evaporator with internal thread copper tube.
3.Large air volume axial fan with metal blades. Motor separated from net-cover, fixed on exhaust port by metal
4.Siemens PLC control, LCD touch screen interface.
5.Standard design charged R22, CFC Free R407C, R410A, R404A, R134A for option.
6.380V-415V/50Hz 3pH for standard design. Different design on customers' request.
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Item |
Specification / Supplier |
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Cooling capacity |
Model |
AYD-904A |
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kw/h |
904 |
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Power input |
kw |
272 |
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Current |
A |
414 |
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Temp Outlet (℃) |
7 |
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Power Supply |
380V-3N-50HZ |
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refrigerant control |
Expansion valve |
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Refrigeration circle |
one |
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refrigerant |
R22 |
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Dimension（mm）L×W×H |
10000*2100*2200 |
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Compressor |
Style |
Semi-hermetic screw type |
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Quantity（set） |
1 |
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Bitzer Model |
CSW95103-280-40D |
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Compressor Power(kw) |
237 |
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Start Way |
100%-75%-50%-25% |
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Condenser
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Style |
Fin |
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Air Volume（m3/h） |
360000 |
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Fan Power(kw) |
33 |
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Evaporator |
Style |
Shell and Tube / 1set |
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Cold water flow（m3/h） |
156 |
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Pipe size（DN） |
200 |
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Protector Device |
1.Phase protector 2.Fan overload protector 3.High/low voltage protector 4.overheat protector 5.Anti-freeze protector |
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Unit Weight（kg） |
7800 |
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Main Parts |
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Compressor |
Bitzer |
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Electronic |
LG / Carlo |
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Electromagnetically valve |
Emerson |
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Expansion Valve |
Emerson |
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Electrical control Board |
Punp |
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Remark: This cooling capacity is based on evaporator temperature 2C,condensing temperature 45C.
Air Cooled Screw Water Chiller System Diagram:
Certification:
