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Products Features
1.Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time.
2.Four stage volume control or 0%-100% automatic regulation.
3.Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese human-machina intertace.
4.Perfect breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.

Product options
1.Salt water evaporator
2.Stepless energy regulation
3.Whole heat recovery/partial heat recovery
4.Pump control
5.Special power supply
6.Remote communication connector

Product specfication
Refrigerant: R22/R407C
Evaporator max water pressure drop: 1.0Mpa
Evaporator: fouling factor 0.018m2.℃/KW
Power supply: 380V/3P/50Hz
Allowable voltage fluctuate: ±5%
Allowable frequency fluctuate: ±2%
The unit uses high efficiency heat exchanger with advanced, unique shape design and systems. Units can be installed directly on the roof, or other well-ventilated place outdoors, without a separate room, space saving construction. Compact shape, appearance, unit uses “W” type coil design, space utilization, small unit size, in order to adapt to the outdoor weather conditions to ensure that the unit has a good operating results during the life cycle.
Friendy choose to use environmentally R407C, R134A or R410A refrigerant ect.
There may be change of the dimensions without pre notice. For accurate you are welcome to ask us for installing drawing.



Air cooled screw(heat) chiller(single compressor) technical parameter

VA-
Type 85S 115S 150S 160S 200S 220S 255S 270S 300S 320S
Nominal cooling capacity kw 85.0 115.0 150.0 160.0 200.0 220.0 255.0 270.0 300.0 320.0
104 kcal/h 7.3 9.9 12.9 13.8 17.2 18.9 21.9 23.2 25.8 27.5
Nominal heating capacity kw 92.0 135.0 170.0 185.0 230.0 250.0 290.0 300.0 330.0 360.0
104 kcal/h 8.2 11.6 14.6 15.9 19.8 21.5 24.9 25.8 28.4 31.0
Operating control method Use PLC microcomputer control
Power Supply 380V/3N/50HZ
Startup type Y-△
Machine power kw 30.8 40.9 50.3 59.6 70.6 76.7 85.0 88.5 99.8 108.4
Machine operating current A 58.5 77.7 95.5 113.2 134.1 145.7 161.4 168.1 189.5 206.0
Compressor Type Semi-closed 5:6 asymmetric twin-screw compressor
Cooling power(kw) 27.5 36.5 45.5 50.0 61.0 66.5 75.0 78.5 86.5 94.5
Cooling current(A) 46.5 61.0 77.0 84.5 103.0 112.0 126.0 132.5 146.0 159.0
Heating power(kw) 26.5 35.0 43.5 48.0 58.5 63.5 72.0 75.5 83.0 91.0
Heating current(A) 44.5 58.5 74.0 81.0 98.5 107.0 120.0 127.0 140.0 152.0
Energy regulation 0-33%-66%-100% 0-25%-50%-75%-100%
Evaporator Type High efficiency dry type shell and tube heat exchanger
Flow(L/min) 14.6 19.8 25.8 27.5 34.4 37.8 43.8 46.4 51.5 55.0
Water pressure drop(kPa) 45.0 45.0 45.0 48.0 48.0 48.0 50.0 50.0 50.0 50.0
Interface size DN65 DN80 DN100
Condenser Type High efficiency fin type heat exchanger
Fan quantity 6 8 8 6 6 6 6 6 8 8
Stand-alone power 0.6 0.6 0.6 1.6 1.6 1.7 1.7 1.7 1.7 1.7
Refrigerant Type R22
Refrigerant volume(kg) 17.0 23.0 30.0 32.0 40.0 45.0 52.0 55.0 60.0 65.0
Overall dimensions Length(mm) 2500 2950 2950 3200 3500 3500 3700 3700 4000 4000
Width(mm) 1400 1400 1400 2200 2200 2200 2200 2200 2200 2200
Height(mm) 1925 2100 2250 2150 2150 2200 2250 2350 2150 2250
Weight Machine weight(kg) 1900 2000 2200 2600 2850 3000 3200 3500 3800 3950
Operating weight(kG) 2200 2300 2500 2900 3150 3300 3500 3800 4100 4250

Cooling condition: Cooling water inlet/outlet temperature 12/7 ℃, ambient dry bulb temperature 35℃
Heating condition:How water outlet temperature 45℃, ambient dry bulb temperature 7℃, ambient wet bulb temperature 6℃

VA-
Type 350S 420S 445S 490S 525S 545S 635S 700S 745S 840S
Nominal cooling capacity kw 350.0 420.0 445.0 490.0 525.0 545.0 635.0 700.0 745.0 840.0
104 kcal/h 30.1 36.1 38.1 42.1 45.2 46.9 54.6 60.2 64.1 72.2
Nominal heating capacity kw 400.0 470.0 500.0 550.0 590.0 610.0 710.0 780.0 830.0 940.0
104 kcal/h 34.4 40.4 43.0 47.3 50.7 52.5 61.1 67.1 71.4 80.8
Operating control method Use PLC microcomputer control
Power Supply 380V/3N/50HZ
Startup type Y-△
Machine power kw 118.5 139.0 146.0 158.0 168.5 175.5 201.0 223.5 239.5 265.0
Machine operating current A 212.0 248.5 261.0 282.5 301.0 314.0 359.0 400.0 428.0 473.0
Compressor Type Semi-closed 5:6 asymmetric twin-screw compressor
Cooling power(kw) 105.0 122.0 129.0 140.0 150.5 155.0 179.0 198.5 211.0 237.0
Cooling current(A) 177.0 205.5 217.0 235.0 253.0 261.0 301.0 334.0 354.0 398.5
Heating power(kw) 101.0 117.0 123.5 134.0 144.0 148.5 171.5 190.0 202.0 227.0
Heating current(A) 170.0 197.0 208.0 225.0 242.5 250.0 288.0 320.0 334.0 382.0
Energy regulation 0-25%-50%-75%-100%
Evaporator Type High efficiency dry type shell and tube heat exchanger
Flow(L/min) 60.1 72.2 76.5 84.2 90.2 93.6 109.1 120.3 128.0 144.3
Water pressure drop(kPa) 52.0 55.0 55.0 58.0 60.0 60.0 62.0 70.0 75.0 80.0
Interface size DN125 DN150
Condenser Type High efficiency fin type heat exchanger
Fan quantity 8 10 10 10 10 12 12 12 16 16
Stand-alone power 1.7 1.7 1.7 1.8 1.8 1.7 1.8 1.8 1.8 1.8
Refrigerant Type R22
Refrigerant volume(kg) 70.0 85.0 90.0 100.0 105.0 110.0 130.0 140.0 150.0 170.0
Overall dimensions Length(mm) 4200 4500 5000 5800 5800 6000 6200 6500 8000 8000
Width(mm) 2200 2200 2200 2200 2200 2200 2200 2200 2200 2200
Height(mm) 2250 2300 2350 2350 2350 2350 2450 2450 2350 2450
Weight Machine weight(kg) 4350 4550 4850 5300 5500 5800 6250 6550 7350 7500
Operating weight(kG) 4650 4850 5150 5600 5800 6100 6550 6850 7650 7800

Cooling condition: Cooling water inlet/outlet temperature 12/7 ℃, ambient dry bulb temperature 35℃
Heating condition:How water outlet temperature 45℃, ambient dry bulb temperature 7℃, ambient wet bulb temperature 6℃
Chemical, chemical fiber, plastic, oil, food, pharmaceutical, military, printing, painting, electroplating, electronics and other industries
Pre-sale services

1. Professional and technical consultation and communication.

2. Equipment selection and quotation.

3. Product application solutions recommendations.

4. Engineering solutions.


After-sale services

Warranty: 12 months guarantee for all products.

Within warranty, any problem caused by the defects of the machine itself, we will offer its service until the problem solved.

Over warranty, we will offer maintenance activity by cost only.

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