FRIGOLINK / Product range / Special / HCO₂-G4
Master module for process control of R744 refrigeration plants

  • Simple start-up through parameter setting of the plants with presettings from the expert database
  • Connection of 12 field modules
  • High and medium pressure control
  • Gas cooler control
  • Control and monitoring of 2 compressors (parallel compressors)
  • Control of 3 fluid ejectors and 7 gas ejectors
  • 7-stage sequence for heat recovery (HR)
  • Calculation of the amount of heat recovered by means of HR
  • Optional heat generation by means of heat pump evaporator
  • Air conditioning operation via thermosiphon, high compressive stress or external MT cold location
  • Start-up mode for initial installation and control circuit blocking in service operation
  • Additional control circuits for collector fill level monitoring, LT pressure level desuperheating, postinjection, oil return
  • Integrated relay outputs
  • CAN bus connection via patch cable and push-in terminals
  • Wurm G4 operating concept
  • Innovative user interface with Sticky Keys
  • Graphical display with backlighting, plain text, 6 operating keys, and 1 Info key
  • Context-sensitive Help with links to Wurm paperless info App
  • Direct navigation by Quicklink
  • Fastening in the installation frame, or individual installation without frame
  • Connection to the Wurm system through a Wurm CAN communication bus (C-BUS) and FRIGODATA XP
  • High level of safety thanks to the galvanically isolated Wurm CAN field bus (F-BUS) used to connect the field modules


DateinameKategorieSpracheVersionLetzte AktualisierungGröße
HCO2-G4_R1.0.6_V8.1.0_PI_2018-02_EN.pdfProduktinformationEN8.,52 KB
HCO2-G4_R1.0.5_V8.1.0_PI_2017-11_EN.pdfProduktinformationEN8.,47 KB
HCO2-G4_R1.0.6_V8.1.0_PI_2018-02_DE.pdfProduktinformationDE8.,03 KB
HCO2-G4_R1.0.5_V8.1.0_PI_2017-11_DE.pdfProduktinformationDE8.,98 KB
HCO2-G4_R1.0.0_V8.0.3_DB_2018-01_FR.pdfDatenblattFR8.0.309.01.2018101,4 KB
HCO2-G4_R1.0.0_V8.0.3_DB_2018-01_IT.pdfDatenblattIT8.0.309.01.201856,32 KB
HCO2-G4_R1.0.0_V8.0.3_DB_2018-01_NL.pdfDatenblattNL8.0.309.01.2018175,93 KB
DateinameKategorieSpracheVersionLetzte AktualisierungGröße
MGR131, MGR141, MGR231, MGR241Installation frame for master modules, switch cards, adapters and dummy plates
ZEMTension device for frameless installation of master modules G3 and G4
ZCB-CPrefabricated cables
ZCB-ADPCAN bus adapter
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