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Air Cooled Screw Chillers R134A

Blue Star, India's Largest central airconditioning company has been providing expert cooling solutions for over six decades. it has been manufacturing a wide range of chillers for over two decades. Drawing from this expertise, Blue Star presents a wide range of air cooled screw chillers with environment-friendly R134a refrigerant.

These chillers are manufactured at Blue Star's own ISO 9001 certified factory with the chiller test bench certified by Airconditioning, Heating and Refrigeration Institute(AHRI). Blue Star screw chillers are equipped with effective capacity control, They provide excellent efficiency making them ideal for varying load applications such as office spaces, hotels, hospitals, malls and multiplexes.

Air Cooled Screw Chillers from Blue Star are available in two series:
  • Series Ⅰ: 375 to 635 KW (AHRI-certified series)-5 models in capacities of 375,525,555,625 & 635 KW. This series has been certified by AHRI.
  • Series Ⅱ:495 to 1395 KW - 9 models in capacities of 495,765,875,915,985,1055,1155,1255,1395 KW.
Compressor
The salient features of these compressors are:
  • Highly efficient and low noise levels.
  • Due to few moving parts and slider valve, these compressors have minimal wear and tear, thereby, resulting in longer life of the compressor.
  • This compressor has stepless capacity control, from 25% to 100% making it suitable for varying load applications and efficient under part load conditions. The capacity control also helps in limiting the starting current and the loading is done steplessly.
  • Due to its inherent characteristics, screw compressor has the highest volumetric efficiency and derating at higher temperature is negligible.
  • Each compressor has the latest 5 to 6 patented profile design with separate radial and axial force bearings, built-in oil separator, PTC motor winding protection,discharge temperature protection with its controller, oil level switch and oil differential pressure switch. This guarantees reliability and long life of bearings under heavy working operating conditions.

Economiser
Refrigerant liquid-to-liquid plate type heat exchanger is provided for the Economiser system. The liquid refrigerant is sub-cooled to enhance the capacity, thereby reducing specific power consumption (IKW/TR) and enhancing the Coefficient of Performance(COP).

Cooler
The shell and tube evaporator has been built using imported, internally enhanced and highly efficient finned copper tubes and has been optimised for refrigerant and water velocities. The expansion of the tube is done with torque controlled process.

Air Cooled Condenser
  • Fin and tube condensers are manufactured using Super Slit aluminum fins. The cooper tubes used are inner grooved type with higher height trapezoidal cross section to increase the internal surface area of heat transfer.
  • Hydrophobic coated fins can be manufactured as an optional feature which give corrosion resistance, typically 3 to 5 times more than the uncoated fins, depending upon the ambient conditions. The coated fins are tested for 500 hours of salt spray test.
Liquid Injection
The refrigerant suction gas cools the winding of the semi-hermetic screw compressor motor.During the part load operation where the suction gas circulation is less, as a precaution, liquid refrigerant is injected into the suction side of the compressor to cool the motor winding. This is done to keep the motor winding temperature within limits. it is provided as a standard feature to enhance the life of the compressor.

Fans

The chiller is incorporated with 5-lobe, bird-wing design fans. This profile optimises the noise level as well as power consumption against the required airflow and static pressure.

Spring Isolators

Specially designed spring isolators are supplied along with the units to minimise the transmission of vibration.

Acoustic Enclosure

An acoustic enclosure can be optionally provided for the compressor to reduce the noise levels.

Electronic Expansion Value

The units are incorporated with electronic expansion values for precise control of refrigerant flow through the cooler to accurately maintain the desired superheat. The expansion value is very sensitive to load variations and adjusts the flow of the refrigerent with short response times to achieve power savings. The microprocessor-based control panel provides the signals for accurate operation of the expansion value based on the superheat.

Microprocessor Control Panel
  • The cooler outlet temperature can be controlled accurately within a tolerance of ± 0.5℉.
  • In-built time delays for compressors and condender fans, single phase/phase reversal protection and anti-freeze protection.
  • Password protection at three levels.
  • RS 232 and RS 485 ports for remote connectivity,fault indication and status facility.
  • PC connectivity and remote monitoring without BMS through dedicated telephone line and optional gateway and modem.
  • BMS compatibility with Modbus RTU or Johnson N2 as a standard feature. Optional translators available for compatibility with BACnet IP or Modbus IP
  • Windows based support system provides complete staus on all operation both locally and remotely. History, static and dynamic graphing is standard to aid in commissioning, trouble shooting and evaluation.
  • These feature help in accurate operation and protection of the chiller and allow remote monitoring
   

Water Cooled Screw Chillers - R134a

Blue Star, India's Largest central airconditioning company has been providing expert cooling solutions for over six decades. it has been manufacturing a wide range of screw, scroll and centrifugal chillers. Drawing from this expertise, Blue Star offers a wide range of water cooled Flooded and DX screw chillers with an environment-friendly R134a refrigerant.
These chillers are manufactured at Blue Star's own ISO 9001 certified factory, with the chiller test bench certified by Airconditioning, Heating and Refrigeration Institute(AHRI). Blue Star screw chillers which are equipped with effective capacity control, provide excellent efficiency under part loads, making it ideal for varying load applications such as office spaces, hotels,hospitals,malls and multiplexes. Blue Star offers Flooded as well as DX type Screw Chillers.

Flooded Chillers
  • Series Ⅰ: 385 to 660 KW-6 models in capacities of 385,470,535,570,625,660 KW.
  • Series Ⅱ: 705 to 1395 KW (AHRI certified series) - 14 models in capacities of 705, 730, 755, 775, 820, 845, 875, 930, 985, 1065, 1070, 1125, 1225 & 1395 KW.
DX Chillers
  • 345 to 665 KW 5 models in capacities of 345, 385, 525, 525,665
Water Cooled Flooded type Screw Chiller features
  • Highly energy efficient
  • Economizer
  • Microprocessor Controller
Water Cooled DX type Screw Chiller Features
  • Microprocessor Control Panel
  • Digital setting of temperature controls
  • Built-in delays and safety
Common features for Water Cooled Flooded and DX Chillers
  • Efficient Compressor
  • High Efficiency Cooler
  • Performance Optimising Condenser
   

Screw Chillers R22

High on reliability.Low on operating cost.

Blue Star, India's preferred airconditioning company has been providing expert cooling solutions for over six decades. It is with this expertise Blue Star brings to you a wide range of air and water cooled Screw Chillers, manufactured at its ISO 9001 factory with world-class capabilities.

These chillers which operate on HCFC-22 refrigerant come in a quality range of eleven models varying from 75 TR-366 in the air cooled version. The condensers are designed for operation under a wide range of ambient conditions.

Due to lesser moving parts, these chillers are reliable and rugged. Further, with its automatic capacity control, it provides better efficiency under part loads making it ideal for varying load applications such as office spaces, hotels, hospitals, malls and multiplexes.

In short, these chillers offers you reliable, energy efficient performance year after year.

Compressor
The BSC Series semi hermetic screw compressors incorporated in the chillers are manufactured by Handbell Precise Machinery Co. Ltd., Taiwan. Henbell follows state-of-the-art manufacturing processes which are ISO 9001 certified and use high precision machinery. Hanbell is one of the largest manufactures of such compressors and is widley used in chiilers in Europe including France, Germany and Italy.
The salient features of these compressors are:

  • Highly efficient with low noise levels
  • Tested in accordance with ARI Standards
  • Due to few moving parts such as male & female screws and slider value, these compressors have minimal wear and tear
  • Each compressor has the latest 5 to 6 patented profile design, with separate radial and axial force bearing, built-in oil separator, PTC motor winding protection, discharge temperature protection with its controller, oil level switch and oil diffferential pressure switch. This guarantees reliability and long life of bearings under heavy working, operating conditions.
  • Each compressor has capacity control from 25% to 100%, making it suitable for varying load applications and efficient under part load conditions. The capacity control also helps in limiting the starting current

Liquid Injection
The refrigerant suction gas cools the winding of the semi hermetic screw compressor motor. During part load operation where the suction gas circulation is less, as an abundant precaution, liquid refrigerant is injected to the suction side of the compressor to cool the motor winding temperature within limits. This is provided as a standard feature to enhance the life of the compressor.

Evaporator

The shell and tube evaporator has inner grooved copper tubes for better heat transfer. The tubes are designed to optimize for refrigerant and water velocities.

Control Centre

The control centre is mounted in the framework of the chiller. It is provided with an advanced microprocessor control panel which has unique features and advantages.

  • The cooler outlet temperature can be controlled accurately within a close tolerace of ± 0.5oF
  • In-built time delays for compressor single / phase reversal protection and anti freeze protection
  • Password protection at two levels.

Following features are available in Air Cooled Version:

Economiser

Refrigerant liquid to liquid plate type heat exchanger is provided for the economizer system. The liquid refrigerant is sub cooled to enhance the capacity therby reducing power consumbtion (IKW/TR) and enhancing the Coefficient of performance (COP).

Oil Cooler

Effective lubrication of bearing depends on the viscosity of lubricant,which in turn depends on the oil temperature. To ensure effective lubrication for longevity, oil cooler is provided as a standard option.

Air Cooled Condenser

The air cooled condenser coils uses copper tubes and aluminimum fans. The inner grooved type copper tubes used in the condenser provide increased surface area for better heat transfer. Hydrophobic coated aluminium fins and condender coil protection guards are available as optional items.

   

Water Cooled Centrifugal Chillers

Blue Star - Water Cooled Centrifugal Chillers
Highly efficient and sustainable Chillers from the Experts
In line with its corporate philosophy of launching innovative products, Blue Star introduces centrifugal chillers with oil-free technology, manufactured at its own world-class factory.
These centrifugal chillers are highly energy efficient and are equipped with the new generation centrifugal compressors with magnetic bearings. These two-stage compressors, coupled with the in-built Variable Speed Drives, enable significant reduction in the operating cost as well as reduce emissions. Blue Star water cooled centrifugal chillers offer the highest sustainable efficiency with low maintenance and are ideal for data centres, hospitals, hotels, green buildings, educational institutions, as well as industrial and process applications.

Salient Features:
  • Highly energy efficient
  • Oil-free technology
  • Eco-friendly
  • Low noise and vibrations
  • Compact design
  • Turbocor compressor
  • High performance cooler and condenser
  • Precise electronic expansion valve
  • User-friendly controller
   

Air Cooled & Water Cooled Scroll Chillers


Scroll Chillers - Air & Water Cooled - R22 & R407C
Flexible and energy-efficient chillers from the Experts Blue Star has introduced a wide range of air cooled and water cooled scroll chillers with R-22 and R-407C refrigerant options. Manufactured using world-class capabilities at it's own ISO-9001 certified factory, these chillers are available in a wide range of capacities from 10 TR to 85 TR and are very easy to install and commission. What's more these machines can handle varying cooling requirements, thanks to their multiple compressor configurations. Making them ideal for airconditioning office spaces, hotels, hospitals, shopping malls, multiplexes and process cooling requirements.

Features

  • Wide range of models in R22 and R407C refrigerant options
    - Air Cooled: 10, 24, 36, 48, 60 & 80 TR 
    - Water Cooled: 11, 26, 39, 52 & 85 TR
  • These chillers are pre-wired, fully charged and run-tested at the factory thereby making it easy and less time-consuming for installation and start-up.
  • Energy-efficient and reliable compressors
  • Capacity modulation in steps
  • Lower electrical infrastructure cost
  • Quiet operation
  • Mega power saving for tandem models (only in air cooled models)
  • Microprocessor controller packed with intelligent features
   

Our quality objective is

To inculcate a strong commitment to discipline, culture and ethical business practices to achieve a high degree of customer delight.

To constantly improve upon the technical competency to excel customer expectations.

To gain the loyalty of every customer

We expertise in

HVAC TURNKEY PROJECTS

HVAC RETROFIT/REVAMP

HVAC SERVICES.

We expertise in

ANNUAL MAINTENANCE CONTRACT (AMC)

MULTI VENDOR SERVICE SOLUTIONS



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Tel – 0471 – 2507073, 2507074
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