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Scroll inverter compressors, variable speed from 1800 to 6000 r/min, designed for medium evaporating temperatures, such as cold rooms and mini chillers for process cooling, or milk cooling. VLZ scroll inverter compressors operate with the lower GWP refrigerants R448A/R449A as well as with R404A. Displacement from 10,0 m³/h to 16,0 m³/h. Stepless compressor modulation – able to slow down and speed up from 30 to 100 RPS to save energy and match load fluctuations very accurately. The inverter drive incorporates smart logic to increase reliability during operation. For greater storage temperature stability, better food preservation, and longer product shelf life.

Scroll inverter compressors, variable speed from 1800 to 6000 r/min, designed for medium evaporating temperatures, such as cold rooms and mini chillers for process cooling, or milk cooling. VLZ scroll inverter compressors operate with the lower GWP refrigerants R448A/R449A as well as with R404A. Displacement from 10,0 m³/h to 16,0 m³/h.

Stepless compressor modulation – able to slow down and speed up from 30 to 100 RPS to save energy and match load fluctuations very accurately. The inverter drive incorporates smart logic to increase reliability during operation. For greater storage temperature stability, better food preservation, and longer product shelf life.

A single compressor and drive can simultaneously handle the load demands of multiple display cabinets or cold rooms running at different temperatures.

Applications:

  • medium evaporating temperatures
    • (R404A from -25°C to 15°C)
    • (R448A/449AA from -25°C to 15°C )
  • commercial cooling applications like cold rooms
  • mini chillers for process cooling or milk cooling

VLZ series features:

  • displacement from 10,0 m³/h to 16,0 m³/h.
  • cooling capacity:
    • from 5,8 kW to 9,4 kW (for te=-10 ºC, tc=40 ºC, SH=10K, SC=0K, R404A)
    • from 5,5 kW to 8,9 kW (for te=-10 ºC, tc=40 ºC, SH=10K, SC=0K, R448A)
  • filled with polyester oil
  • cooling with vapors of sucked gas

The DC permanent magnet motor of the compressor with patented Intermediate Discharge Valves (IDV) enhances compressor part-load efficiency and reduces components stress, leading to savings on energy usage.

Standard equipment:

  • assembly kit including rubber silencers with sleeves, bolts, nuts and washers
  • factory filling with oil

Optional equipment:

  • crankcase heater
  • thermostatic discharge protection
  • frequency converter
  • acoustic cover

VLZ series advantages:

  • high efficiency at full load of 96%
  • high efficiency at part load above 92% over the entire speed range
  • energy savings (up to 30%) thanks to modulation of efficiency
  • the DC permanent magnet motor with high efficiency at all speeds
  • lead-free polymer bearings with excellent performance at various loads and speeds
  • single compressor can simultaneously handle the load demands of multiple display cabinets running at different temperatures
  • greater storage temperature stability, better food preservation, and longer product shelf life

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