Global Valves - BELIMO - #23

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ENG-93001-93621-08.04-1M • Printed in Switzerland • ZSD • Subject to technical modifications BC 23 Y DC 0...10 V U DC 2...10 V 1 2 3 4 5 Y2 -T ~ AC 24 V + DC 24 V ~ Y2 4 U 5 AV24-MFT AVY24-MFT ! - + Y/Z T 1 2 3 Wiring diagrams Linear actuators for 2-way and 3-way globe valves DN 65...150 Modulating actuator (AC/DC 24 V) Control DC 0...10 V Applications Operation of globe valves. Mode of operation Modulating control is effected by means of a standard 0…10 V control signal. Product features Simple attachment to the neck of the valve by means of a clamping flange. Form-fit coupling of the valve stem to the actuator spindle. The actuator can be rotated through 360° on the neck of the valve. Functional reliability Theactuatorisshort-circuit-proofandprotected against polarity reversal. The stroke is adapted automatically and is also overload-proof. Manual operation Inserting a 5 mm hexagonal key and turning it clockwise causes the actuator spindle to extend from the actuator housing (pushing). Together with the action of the valve, this causes the flow of water to increase. The actuator spindle retains its position until the power supply is energized (the controller takes first priority). Position indication The stroke of the valve is indicated mechanically on the bracket; the maximum stroke adjusts itself automatically. There is a twin-color LED status indicator under the cover of the housing. Safety note The linear actuator contains no components which can be replaced or repaired by the user. Note on delivery The bracket is part of the actuator. Connection via safety isolating transformer Control signal from controller Measuring voltage U for position indication H Y 340 78 55 110 179 AV24-MFT, AVY24-MFT linear actuators for globe valves Dimensions Technical data AV24-MFT AVY24-MFT Nominal voltage AC 24 V 50/60 Hz, DC 24 V Nominal voltage range AC 19.2…28.8 V, DC 21.6…28.8 V For wire sizing 10 VA Power consumption 6 W Connecting cable 1 m, 5 x 0.75 mm2 Control DC 0…10 V @ 100 kŮ Operating range DC 2…10 V for 0…100 % stroke DC 0.5…10 V for 0…100 % stroke Position feedback DC 2…10 V @ 0.5 mA DC 0.5…10 V @ 0.5 mA Uni-rotation ±5 % Nominal stroke 50 mm Actuating force 2000 N Manual operation Hexagonal key, self-resetting Fast running function • Running time 150 s 60 s Sound power level Max. 35 dB (A) Max. 45 dB (A) Position indication Mechanical 20…50 mm stroke Protection class III (safety extra-low voltage) Degree of protection IP54 Ambient temperature range Non-operating temperature Humidity test 0° …+ 50° C –40° …+ 80° C To EN 60730-1 EMC CE according to 89/336/EEC Software class A Mode of operation To EN 60730-1 Type 1 to EN 60730-1 Maintenance Maintenance-free Weight 2.9 kg (without globe valve)

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