The Macon Motorized Actuator can be used on all Macon Valves (NT series 2-way valves, EDV 3-way mixing valves, EKV cooling valve and OPSK one pipe steam valve). For controllers with continuous output in conjunction with single-room control systems. Automatic valve adjustment and intelligent cutoff for maximum energy efficiency.
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When being put into service (with valve fitted), the actuator moves to both end positions and stores the associated increments. The range of the control signal is then assigned to this effective stroke. The motor positions the valve and cuts out as soon as the stroke position matches the controller’s output signal. In the end positions or in the event of an overload, the motor cuts out after 2 minutes at the latest. If the control voltage has not changed after 2 hours (in the range of 0 - 0.5 V), the motor briefly runs to the end position and corrects its position memory (if necessary). The MVA 2-10 performs a complete cycle every 24 hours in order to prevent the valve plug from jamming or sticking. The LED lights up if power is applied and flashes as long as the motor is running.
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Two-piece plastic housing, light grey RAL7035
Brass nut
Plug-in cable, light grey, standard 1.50 m long,
3×0.35 mm², exchangeable
Running time 13 s/mm
Fitting position vertically upright to horizontal, not upside down.
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Direction of operation: NO/NC DIP switches
Running time: 43 - 72 s (8s/mm)
Stroke: 5.5 mm
Pushing force: 120 N
Power supply: 24V AC/DC, ±15%, 1.93” , 50 - 60 Hz
Power consumption: 2.5 VA
Control signal: 0 (2) - 10V
Max operating temperature: 203°F at the valve
Noise level: <30 dB(A)
Perm ambient temperature: 0 - 122°F
Perm ambient humidity: <75%rh
Ingress protection: IP 43 (EN 60529)
Protection class: III (EC 60730)
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