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Pressure independent 4-pipe coil control unit
Frese OPTIMIZER control unit, in conjunction with the associated hydraulic set provides a complete pressure independent balancing and control group for efficient and effective individual room or central-controlled energy management in 4-pipe systems, such as:
Frese OPTIMIZER provides modulating control, which works independently of any variations in the differential pressure of the system.
The hydraulic set consists of an OPTIMA Compact pressure independent control valve with a 0-10V modulating actuator, and two 3 port control valves with on/off actuators.
The heart of the hydraulic set is the OPTIMA Compact pressure independent control valve that always provides full valve authority with its combination of adjustable dynamic volume controller and modulating control valve.