WITA® SM 4
29. марта 2012
WITA® SM 3
31. марта 2012
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WITA® SM 4.10 FR

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WITA® actuators are distinguished by a compact design, durability and versatility. The product is equipped with a reversible synchronous motor and a maintenance-free gear. Depending on the actuator type, the device is electrically connected via a lead or a terminal pre-assembled in the casing. The actuators are applied particularly in heating and air conditioningsystems, and can be used with 3-point controllers or switching contacts. Moreover, the product is available for DN15 to DN100 mixing valves.

SM 4.10 FR actuator with a built-in constant temperature controller has the same components as the SM 4.10 model. Its main functions include maintaining constant return temperature, controlling small areas or areas where it is necessary to maintain temperature at a constant level.The temperature is selected by a potentiometer placed next to the scale. Two LEDs indicate the actuator operating direction. You can select an operating mode by pressing a switch placed under the actuator casing. Furthermore, you can add remote control and room temperature measurement functions.

Operating voltage230V AC, 50 Hz +/- 10% (Din IEC 600038)
Torque10 Nm
Angle of rotatio90° Factory setting
Running time150 sec. /90°
Protection classII
Protection typeIP 40
Ambient temperature0 – 50°C
Storage temperature-20 °C – 60 °C
EquipmentPre-assembled sensor
2300V AC mains plug
Temperature limitation function (which can beswitched off)
LEDs (open/close)
Ajustable mixing valve operating direction
Aapters allow you to easily mount various components
Scale plate on the handle indicates the mixing valve position
Possibility to add remote control functions
Non-blocking toothed wheels made of metal
Easy operating in safe mode
Euipped with cams adjustable by 15° (range: 15°-345°)
Version
SM 4.10 FR H
Motor-driven set-point controller designed to control mixing
valve with temperature records in heating systems;
with remote control function and temperature log.
Motor- driven set- point controller designed to control
mixing valve operation while increasing the return temperature or
maintaining supply temperature at a constant level in heating systems.
SM 4.10 FR K
Motor-driven set-point controller designed to control mixing
valve with temperature records in cooling systems;
with remote control function and temperature log.
Motor- driven set- point controller designed to control
mixing valve operation while increasing the return temperature or
maintaining supply temperature at a constant level in cooling systems.