GMM phase cut
GMM phase cut

GMM phase cut

Güntner Motor Management for AC fans


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Product Documentation

Info Operation and installation instructions

GMM phase cut

Güntner Motor Management for AC fans



  • Cost-efficient control
  • Easy installation
  • High operational reliability
  • Ready to connect
  • Emergency operation possible

Protection rating

  • GMM phasecut compact: IP 54
  • GMM phasecut modular: IP 20

Control mode

  • The controller adjusts the fans' speed according to the fluid temperature
  • Continuous speed control
  • Power spectrum up to 18 fans
  • GHM 230 V; fans 400 V

Fan: AC (3~)

Area of application

  • Condenser – pressure-dependent control
  • Drycooler – temperature-dependent control

Special features

  • Operational and fault signalling
  • Night limiter
  • Slave mode (external control value setting)
  • Internal alarm memory
  • External setpoint changeover
  • Bypass operation / safety-optimised application
  • External temperature-dependent setpoint displacement
  • Manual mode
  • Refrigerant input possible
  • Internal time program
  • Optimum pressure or temperature control
  • External setpoint setting possible
  • Maintenance mode
  • Alarm management
  • Heating/cooling switchover
  • Communicative (bus module GCM as option)
  • 2nd control cycle with maximum value control
  • Intuitive operability
  • Integrated PID controller with default parameters, freely adjustable

Combination with switch cabinet

  • GCP switch cabinet


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