GMM step professional
Step control for AC fans (up to 9 steps)
Features
Advantages
- Cost-efficient control
IP 54 protection rating
Control mode
- The spraying is switched on section by section according to the fluid temperature
- Up to 9 controlled sections
- Power spectrum up to 18 fans
- GHM 230 V; fans 230 V or 400 V
Fan: AC (1~), AC (3~)
Area of application
- Condenser – pressure-dependent control
- Drycooler – temperature-dependent control
Special features
- Operational and fault signalling
- Slave mode (external control value setting)
- Internal alarm memory
- External setpoint changeover
- 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