Air Cooled Screw Chiller and heat pump

 

Model Item Air Cooled Screw Unit
VMA180L VMN180L VMA250L VMN250L VMA320L VMN320L VMA380L VMN380L VMA430L VMN430L
Cooling Capacity (R22) kW 180 250 320 380 430
Btu/h 615,000 853,000 1,092,000 1,297,000 1,468,000
TR 51.2 71.1 91.1 108.1 122.3
Heating Capacity (R22 kW 198 275 350 430 480
Btu/h 676,000 939,000 1,195,000 1,468,000 1,639,000
TR 56.3 78.2 99.6 122.3 136.5
Cooling Capacity (R407C) kW 171 238 304 361 409
Btu/h 584,000 813,000 1,038,000 1,232,000 1,396,000
TR 48.6 67.7 86.5 102.7 116.3
Heating Capacity (R407C) kW 188 261 333 409 456
Btu/h 642,000 891,000 1,137,000 1,396,000 1,557,000
TR 53.5 74.2 95 116.3 129.7
Domestic Hot Water (Optional) Heat Recovery (R22) kW 54 75 96 114 129
Btu/h 185,000 256,000 328,000 389,000 441,000
TR 15.4 21.3 27.3 32.4 36.7
(R407C) kW 51.3 71.3 91.2 108.3 122.6
Btu/h 175,000 244,000 312,000 370,000 419,000
TR 14.6 20.1 26 31 35
Inlet Temp 50
Outlet Temp 55
Water Flow m3/h 9.3 12.9 16.5 19.6 22.2
Water Pipe Size   DN50
Compressor Type   Semi Hermetic Screw Compressor
Power Input kW 59.9×1 76.8×1 103.2×1 121.4×1 128.6×1
Energy Steps   25-50-75-100%
Fan Type   Axial
Power Input kW 1.8×4 1.8×6 1.8×6 1.8×8 1.8×8
Air Flow Rate m3/h 92000 138000 138000 184000 184000
Water-side Heat Exchanger Type   Shell and Tube
Water Flow m3/h 31 43 55 66 74
Drop Water Side kPa 40
Water Pipe Size   DN80 DN100
Refrigerant Type   R22/R407C
Charge Amount (KG) 60 80 110 125 135
Expansion Device   Expansion Valve
Noise dB(A)   74 76 76 78 78
Dimension Length mm 2290 3270 4020 4750 5250
Width mm 2190
Height mm 2480
Power 3φ-380V-50HZ
Total Power Input kW 67.1 87.6 114 135.8 143
Max. Operating Current A 170 210 280 340 360
Weight Kg 2050 2150 2750 2900 3200 3350 3650 3850 4000 4200
 

Note
1. The units above can realize 1-16 units' modular connection and can control energy-regulation automatically.

2. Standard cooling work condition: Ambient temperature DB 35℃, WB 24℃
                                                  Cooling water inlet 12℃, outlet 7℃

3. Standard heating work condition: Ambient temperature DB 7℃, WB 6℃
                                                   Heating water inlet 40℃, outlet 45℃

Optional Accessories
1. Electrical heater
2. Waterflow switch
3. Rubber absorber
4. Water flexible joint
5. Side filter
6. Water pump
7. Heat recovery
8. Remote monitoring control

Our Technical Partners


Coldcare Nigeria Limited is in technical partnership with acclaimed world leaders in related engineering services. This has helped us in the areas of training as well as research and development. This way, we are able to remain relevant and up-to-date in the ever-evolving engineering world

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Our Clients...


Our success is vested in our client's success  and we do our best to keep their satisfactions as our paramount goal.

 Among our highly esteemed clients are  Airtel Nigeria, Nigerian Bottling Company Plc, Reftech A/S, Gurara Bottling Company Limited, Hassan Plastics Limited, 


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Health Safety & Environment


COLDCARE NIGERIA LIMITED places high premium on Health, Safety and Environment (HSE). Our policy makes it mandatory for everyone who works for the company, Including contractual to adhere strictly to HSE performance standards.

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OUR VISION

Our Vision is to be a household name of international standard in the provision of quality engineering products and services.

  OUR MISSION:

To keep to the ideal of high ethical standards in providing quality and efficient services to our customers at reasonable cost