GMM EC

Advantages

• Energy-efficient applications
• Noise-sensitive application
• Easy installation
• High operational reliability
• Ready to connect
• Emergency operation possible

IP 54 protection rating

Control mode

• The speed of the fans is set depending on the pressure or temperature.
• Plug and Play system with automatic fan programming
• Complete monitoring of all operating states with internal bus system
• Up to 16 bus outputs for 16 fans
• Continuous speed control
• Electronic control for synchronous motors
• Power spectrum up to 18 fans
• GHM 230 V; fans 230 V or 400 V

Fan: EC (1~), EC (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
• Max. selection
• Bypass operation/safety-optimised application
• External temperature-dependent setpoint displacement
• LCMM – Low Capacity Motor Management
• 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
• LCMM – Low Capacity Motor Management

Combination with switch cabinet

• GPD fuse box for power distribution (1ph / 3ph)

• GSW pressure sensor 25bar
• GSW pressure sensor 40bar
• GTF temperature sensor
• GHP / GHPF manual potentiometer/setpoints
• GCM-M Modbus Module
• GCM-P Profibus modules