Control of multiple rack compressors Control of up to 8 units (compressors and/or CDUs)- default: 4 compressors + 4 condensers Efficient control of multiple units (setting up on/off respectively or between steps) Perfectly even operation time (less than 1 hour of difference in total time) Pressure/temperature control (intake pressure and discharge pressure respectively or linked control) Powerful trip data log (up to 160 events) Optimal control of condensing fan speed (4-20mA PID control) Transmission (pressure and temperature) PC monitoring system via RS485 of MODBUS protocol