Control units
Our control units include all the necessary functions to optimally control a rotary heat exchanger. Our latest product series, VariMax NG, features an integrated rotation monitor and Modbus connection. We offer a 5-year warranty on our VariMax range. See more information about our various control units for rotary heat exchangers below.
For stepper motor operation
5 years warranty!

VariMax 25 NG
Rotor diameters up to 1500 mm
5 years warranty!

VariMax50 NG
Rotor diameters up to 2500 mm
5 years warranty!

VariMax100 NG
Rotor diameters up to 3900 mm
5 years warranty!

VariMax25 CE
Rotor diameters up to 1500 mm
5 years warranty!

VariMax50 CE
Rotor diameters up to 2500 mm
5 years warranty!

VariMax100 CE
Rotor diameters up to 3900 mm
For asynchronous motor operation

MiniMax
Rotor diameters up to 3500 mm

MicroMax
Rotor diameters up to 1500 mm

MicroMax180
Rotor diameters up to 2500 mm

MicroMax370
Rotor diameters up to 3500 mm

MicroMax750
Rotor diameters up to 5000 mm

MicroMax1500
Rotor diameters up to 8000 mm

MicroStart
Rotor diameters up to 1500 mm