Double Screw Compressor Air Cooled Water Chiller

Model NO.: 640Z

Certification: RoHS, ISO, CE

Condition: New

Production Name: Water Chiller From Venttech

Cooling Capability: 496kw

Model Number: 640z

Power Supply: 380V/3pH /50Hz

Sound Pressure Level(dB(a)): 70

Compressor Type: Semi- Hermetic, Twin Screw Compressor

Shipping Weight: 3320kg

Refrigerant: R134A

Warranty: 12 Months

Input Power: 124kw

Trademark: Shenglin

Transport Package: Customerized Packing

Specification: CE, ISO9001

Origin: Shanghai, China

HS Code: 8418612090
Precision electric temperature controller /water Chiller Unit

Feature:
1. 8Â sizes available ranging from 380 kW to 1419 kW cooling capacity.
2.Semi-hermetic screw compressor for all models. Each compressor is equipped with aÂ crankcase heater and aÂ thermal overload cut-out; the screw compressor is also complete with aÂ built-in electronic protection with temperature sensor located directly in the motor winding and on the discharge line.
3.External rotor type axial fans, equipped with three phase direct drive motors, low noise 8Â poles, protection level IP54, provided with aÂ protective outlet grille.
4.Evaporator built with high efficiency shell and tube type heat exchanger, factory insulated with flexible close cell material.
5.Condenser built with seamless copper tubes mechanically expanded into blue hydrophilic aluminum fins.
6.Refrigerant circuit complete with charge valves, filter drier, sight glass, gas-liquid separator, thermostatic expansion valve, high &Â low pressure switch. The heat pump unit is completed also with 4-way valve, liquid receiver and one way valve.
7.Hydraulic circuit built with galvanized pipe, complete with water discharge connection for shell and tube heat exchanger and flange type hydraulic connectors.
8.Electric panel consist of: compressor contactor, fan motor contactor, compressor isolating switch, fan protection breaker, phase sequence relay and microprocessor with function display.
9. Automatic operation dramatically reducing maintenance cost thanks to reliable microprocessor system.
Product description:
Â

Model Â 380Z 500Z 600Z 720Z 880Z 1000Z 1200Z 1420Z

cooling capacityÂ kW 376 496 594 720 880 996 1203 1419

cooling power input kW 124 159 187 234 285 318 381 466

power supplyÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 380V/3pH /50Hz

compressor

compressor type Semi- hermetic, twin screw compressor

Qty/ refrigerant circuit Nr. 1/1 1/1 1/1 1/1 2/2 2/2 2/2 2/2 Â Â Â Â Â Â Â

Energy adjustment \ 25%,50%,75%,100% 4-step (Â 50%~100% stepless as option) Â

Refrigerant R134A

Water side heat exchanger

Type Shell-and-tube heat-exchanger

Water Volume m3/h 65.4 86 103.2 123.8 151.4 172 206.4 244.2 Â Â Â Â Â Â Â

Water pressure drop kpa 39 54 56 58 70 75 71 69 Â Â Â Â Â Â Â

Inlet/outlet pipe diameter mm DN125 DN125 DN125 DN150 DN150 DN150 DN200 DN200 Â Â Â Â Â Â Â

Water side fouling factor m2.ÂºC/kW 0.086 Â

Air side heat exchanger Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â

Type M shape Heat exchanger, High efficient exchanger tube +Â aluminum fins

Fans Quantity Nr. 6 8 10 10 14 16 16 20 Â Â Â Â Â Â Â

Air Volume m3/h 23000X6 23000X8 23000X10 23000X10 23000X14 23000X16 23000X16 23000X20 Â Â Â Â Â Â Â

Motor Input kW 2.8X6 2.8X8 2.8X10 2.8X10 2.8X14 2.8X16 2.8X16 2.8X20 Â Â Â Â Â Â Â

Physical dimensions

Standard type (mm) L 3810 4680 5880 5880 8800 9460 9460 11700 Â Â Â Â Â Â Â

W 2280 2280 2280 2280 2280 2280 2280 2280 Â Â Â Â Â Â Â

H 2370 2370 2370 2370 2430 2430 2430 2430 Â Â Â Â Â Â Â

Shipping weight kg 3320 4330 5000 5500 7750 8900 9100 11100 Â Â Â Â Â Â Â

Shipping weight kg 3520 4530 5200 5700 8050 9200 9400 11400 Â Â Â Â Â Â Â

Sound pressure level ** dB(A) 70 70 71 71 72 74 75 75 Â Â Â Â Â Â Â

Note:
1) Nominal cooling capacities are based on the following conditions:
Chilled water inlet/outlet temp: 12ÂºC/7ÂºC; Outdoor temp (DB/WB):35ÂºC/24ÂºC.

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Contact to
Ms. Meiling HuangÂ
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Mob:+00 86 15821429062
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