The Hydrovar is not a normal frequency control, which is mounted directly on the engine fan hood. The Hydrovar is an intelligent frequency control that fully fits the needs of the customer.
The unique modular design does not require external control units to control the hydrovar. When applied to multiple pumps, the Hydrovar is easily connected to eachother by a cable. Hereby, the basic settings of the master are taken over, and therefore only 1 Hydrovar has to be adjusted.
The Hydrovar is used there where varying capacities or pressures are desired. In this case, normal return time within 2 to 3 years is normal.
This system is unique in its structure. The unit is mounted directly on the engine fan hood. For the cooling of the unit, it uses the airflow generated by the engine fan. This unit is also supplied in a switchboard or as a wall mounting, with an external fan for the necessary cooling.