Control components

RETROFIT

Control components for VAV terminal units as a replacement for previous types while the VAV terminal unit remains installed

Easy alternative to replacing a complete unit
Replacement in case of modernisation
Extended range of functions
Installation without interruption of system operation
For circular ducts of nominal sizes 100 to 400 mm

Retrofit parts kit consists of:

Control components Easy, Compact or Universal
Differential pressure sensor
Accessories

Universal, static

Modular control components for VAV terminal units, especially for aggressive media in extract air systems

Module selection based on application
Actuators with selected actuator forces

Options

Actuators with safety function for 'damper blade OPEN' and 'damper blade CLOSED' (spring return actuators)

Compact

Compact device for use with VAV terminal units

Controller, differential pressure transducer, and actuator are fitted together in one casing
Volume flow rates V_min and V_max are factory set as parameters
Ideal for carrying out service from the switch cabinet or control panel
Change of parameters using adjustment devices
Suitable for constant and variable volume flows as well as for V_min / V_max switching
Bus communication is possible due to MP bus or LonWorks interfaces

Universal, dynamic

Modular control components for VAV terminal units

Module selection based on application
Actuators with selected actuator forces

Options

Actuators with safety function for 'damper blade OPEN' and 'damper blade CLOSED' (spring return actuators)

Reduced operating costs due to intelligent sensor technology

Temperature range 10 – 45 °C
For variable volume flow systems and 2-pipe or 4-pipe water applications
with integral temperature sensor

Optional equipment

Room occupant can select the operating type
Remote control for RC/M1

Easy

Control components for VAV terminal units, to be mounted on the terminal unit for easy operation

Simplified ordering and on-site assignment to rooms as selection is based on the nominal size of the duct
Simple volume flow rate setting without additional device
Indicator light simplifies functional checking
With push button for triggering a function test
Proven technology of the Compact volume flow controllers
Suitable for constant and variable volume flow rates and q_vmin-, q_vmax-Switching

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