Canteen Research Campus Garching

CO2 solution ROXSTAindustrial

Application

Canteen Research Campus (Garching)

  • Useable area of 5,300 m² / 7,300 meals served daily / 5,400 guests served daily / Dining room of 2,200 m² / 1,500 seats
  • Refrigeration rooms for specific foods – dairy, meat, vegetables, etc.
  • 9 cold storage rooms – total area 185 m²
  • 4 deep-freeze rooms – total area 105 m²
  • 36 small refrigeration units – refrigerated display cases, tanks, refrigerators, refrigerated tables
  • 4 blast chillers/blast freezers
Refrigeration specialist

K.E.D. Kälte- und Klimatechnik GmbH (Bischofsmais) – www.kedgmbh.de

Technology in use

ROXSTAindustrial

  • Refrigerant: CO2 (R 744)
  • Medium temperature cooling: 117 kW (t0 -11 / tGC out 37 °C) – 5 Bitzer compressors (1st compressor with FC)
  • Low temperature cooling: 13 kW (t0 -32 / tC -12 °C) – 6 Bitzer compressors (1st compressor with FC)
  • Blast chiller/blast freezer: 4x 12,4 kW (t0 -25…-32 °C / tC -12 °C) – 4 Bitzer compressors (each with a FC)
Special features
  • Parallel compression
  • Heat recovery: Max. output 161 kW (tWater in/out 30/65 °C)
  • Suction-side gas heat exchanger for each suction pressure stage
  • Frequency converter for each suction pressure stage (parallel compression, medium or low temperature cooling)
  • 5 different LT suction pressure stages
  • WHITELINE gas cooler with 6 EC fans: 310 kW (tamb 35 °C / tGC out 37°C)
  • 13x WHITELINE CO2 wedge coolers
Controls

Wurm-Regelelektronik FRIGOLINK: Multi compressor system, medium-pressure and high-pressure valves, gas cooler control, heat recovery unit