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The series of hermetic scroll compressors from Danfoss is designed for air conditioning systems with medium evaporation temperatures. Models are compatible with R410A and R454B refrigerants, with displacement ranging from 4.84 m3/h to 9.42 m3/h. Danfoss HRH scroll compressors in universal, compact dimensions with various connections are characterized by high energy efficiency, quiet operation, and minimal vibrations. Very high operational reliability is ensured by the thermal valve with patented internal protection combined with HOOP overheating protection. Lead-free bearings guarantee high system efficiency even with poor lubrication.

Danfoss HRH scroll compressors for air conditioning systems, available in single or three-phase versions, are typically intended for use in single-compressor systems. The standard dimensions and piping connections of this series provide flexibility in installation, both in new systems and as replacement parts. The discharge check valve prevents backflow of the scrolls and associated noise during compressor shutdown. The radial and axial compliance of the scrolls ensures an exceptional slugging capability and very low starting torque.

HRH compressors characteristics:

  • displacement: from 4.84 m³/h to 9.42 m³/h
  • refrigerant: R410A, R454B
  • capacity control: none
  • lubrication: polyvinyl ether oil (PVE)
  • cooling: suction gas cooling
  • power supply: 230V/1~/50Hz; 400V/3~/50Hz

HRH compressors applications:

  • medium evaporation temperatures: R410A from -25ºC to 10ºC
  • air conditioning systems in residential buildings
  • outdoor split units
  • chillers
  • rooftop units

HRH compressors advantages:

  • discharge check valve preventing backflow of the scrolls
  • radial compliance: exceptional slugging capability
  • axial compliance: very low starting torque
  • high operational reliability even with poor lubrication
  • discharge thermal valve with patented internal protection
  • standard dimensions and piping connections (ideal for new installations and as replacement parts)

HRH compressors equipment:

Standard:

  • rubber anti-vibration dampers

Optional:

  • oil sight glass
  • oil equalization fitting
  • belt heater
  • soft start kit
  • discharge temperature protection

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