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Air Cooled Screw Chillers | R134A | Frostaire

Air Cooled Screw Chillers | R134A

Enquiry

Description

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 salient features

  • 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.
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.

 

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