$85.0 Buy It Now or Best Offer
free,30-Day Returns
Seller Store mr.ruby
(4615) 100.0%,
Location: Boalsburg, Pennsylvania
Ships to: US,
Item: 285965785936
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
BELIMO:BELIMO
AF24:AF24
MPN:AF24-PC
Manu: BelimoModel: AF24 AF24-PC(my reference #4)(See my other damper actuator auctions too) DAMPER ACTUATOR with operators manual. New in the original box the operator manual is written on the inside of the box see the photo. This one has the phase cut signal option for use with STAEFA CONTROL SYSTEMS This one has a special 0-20v phase cut feature to work with Seimens Staefa Control Systems. That’s the “PC” in the model number. ApplicationFor proportional modulation of dampers in HVAC systems. Actuator sizing should bedone in accordance with the damper manufacturer’s specifications.The actuator is mounted directly to a damper shaft up to 1.05” in diameter by meansof its universal clamp. A crank arm and several mounting brackets are available forapplications where the actuator cannot be direct coupled to the damper shaft.The actuator operates in response to a 0-20 V phasecut control input from an electronic controller or positioner. A 2 to 10 VDC feedback signal is provided for position indication or master-slave applications. Operation The AF series actuators provide true spring return operation for reliable fail-safe application and positive close-off on air tight dampers. The spring return system provides constant torque to the damper with, and without, power applied to the actuator.The AF series provides 95° of rotation and is provided with a graduated positionindicator showing 0° to 95°. The AF has a unique manual positioning mechanism which allows the setting of any damper position within its 95° of rotation. Whenpower is applied to the AF series its “one time use” mechanism is released. The actuator is shipped at +5° (5° from full fail-safe) to provide automatic compression against damper gaskets for tight shut-off. When power is applied, the manual mechanism is released and the actuator drives toward the full fail-safe position. The actuator will memorize the angle where it stops rotating and use this point for its zeroposition for its normal control operations. The manual override can also be released physically by the use of a crank supplied with the actuator.The AF uses a brushless DC motor which is controlled by an Application Specific Integrated Circuit (ASIC) and a microprocessor. The microprocessor provides theintelligence to the ASIC to provide a constant rotation rate and to know the actuator’s exact zero position. The ASIC monitors and controls the brushless DC motor’s rotationand provides a digital rotation sensing function to prevent damage to the actuator in astall condition. The actuator may be stalled anywhere in its normal rotation without theneed of mechanical end switches Power supply24 VAC ± 20% 50/60 Hz24 VDC ± 10%Power consumptionrunning6 Wholding2.5 WTransformer sizing10 VA(class 2 power source)Electrical connection3 ft, 18 GA appliance cable1/2” conduit connectorOverload protectionelectronic throughout 0 to 95° rotationOperating range Y0 to 20 V phasecutcontrol is only for the postiive part of the sine wave(max of 10 volts)Input impedance8kΩ(0.1 mA), 50 mΩFeedback output U2 to 10 VDC(max. 0.5 mA) for 95°Angle of rotationmechanically limited to 95°To rque133 in-lb [15 Nm] constantDirection of rotationspringreversible with cw/ccw mountingmotor reversible with built-in switchPosition indicationvisual indicator, 0° to 95°(0° is spring return position)Manual override3mm hex crank (shipped w/actuator)Running time150 seconds constant, independent of load,spring return < 20 secondsHumidity5 to 95% RH non-condensingAmbient temperature-22°F to 122°F [-30°C to 50°C]Storage temperature-40°F to 176°F [-40°C to 80°C]HousingNEMA type 2 / IP54Housing materialzinccoated metalAgency listingscULusacc. toUL 873andCAN/CSA C22.2 No. 24-93Noise levelmax. 45 dB (A)Servicingmaintenance freeQuality standardISO 9001Weight6.0 lbs (2.7 kg) Direct coupled actuator. 24V Phase cut signal for Steafa control systems. 133 lbs torque. Spring return. Cut labor costs with simple direct coupling True mechanical spring return - the most reliable fail-safe Reverse mount for clockwise or counterclockwise fail-safe Check damper position easily with clear position indicator Overload-proof throughout rotation Temporary restrictions in damper movement will not change actuator operation. ApplicationFor proportional modulation of dampers in HVAC systems. Actuator sizing should bedone in accordance with the damper manufacturer’s specifications.The actuator is mounted directly to a damper shaft up to 1.05” in diameter by meansof its universal clamp. A crank arm and several mounting brackets are available forapplications where the actuator cannot be direct coupled to the damper shaft.The actuator operates in response to a 0-20 V phasecut control input from an electronic controller or positioner. A 2 to 10 VDC feedback signal is provided for position indication or master-slave applications.OperationThe AF series actuators provide true spring return operation for reliable fail-safe application and positive close-off on air tight dampers. The spring return system provides constant torque to the damper with, and without, power applied to the actuator.The AF series provides 95° of rotation and is provided with a graduated positionindicator showing 0° to 95°. The AF has a unique manual positioning mechanism which allows the setting of any damper position within its 95° of rotation. Whenpower is applied to the AF series its “one time use” mechanism is released. The actuator is shipped at +5° (5° from full fail-safe) to provide automatic compression against damper gaskets for tight shut-off. When power is applied, the manual mechanism is released and the actuator drives toward the full fail-safe position. The actuator will memorize the angle where it stops rotating and use this point for its zeroposition for its normal control operations. The manual override can also be released physically by the use of a crank supplied with the actuator.The AF uses a brushless DC motor which is controlled by an Application Specific Integrated Circuit (ASIC) and a microprocessor. The microprocessor provides theintelligence to the ASIC to provide a constant rotation rate and to know the actuator’s exact zero position. The ASIC monitors and controls the brushless DC motor’s rotationand provides a digital rotation sensing function to prevent damage to the actuator in astall condition. The actuator may be stalled anywhere in its normal rotation without theneed of mechanical end switches Actuator returns to normal operation when restriction is removed (modulating actuators) Easy mechanical stop to adjust angle of rotation (add ZDB-AF2 US US accessory) By eliminating internal condensation Golden Point breather membrane optimizes performance in harsh airstream environments Built-in auxiliary switch is easy to use, offers feedback or signal for additional device (-S models) Manual override crank speeds installation Need to change control direction? Do it easily with a simple switch (modulating actuators) Microprocessor-controlled brushless DC motor increases actuator life span and reliability, provides constant running time (modulating actuators) Rugged metal housing withstands rough handling in the mechanical room 3 ft. appliance cable and conduit connector eases installation Double insulated - no need for separate safety ground. A Belimo exclusive (-S,120V, 230V models) Automatically compensates for damper seal wear, ensuring tight close-off The AF24-PC is used for proportional modulation of dampers and control valves in HVAC systems. The actuator operates in response to a 0-10 V phasecut control input from an electronic controller or positioner. A 2 to 10 VDC feedback is provided for position indication or master-slave applications. The AF series actuators provide true spring return operation for reliable fail-safe application and positive close-off on air tight dampers. The spring return system provides constant torque to the damper with, and without, power applied to the actuator. Fail Safe Mode: Spring Return Actuator Type: Proportional Power Supply: 24 VAC/DC Torque: 133 lb-in Running Time: 150 Seconds (motor) <20 Seconds (spring) Power Consumption: 6W (running) 2.5W (holding) VA Rating: 10 Ambient Temperature: -22°F to +122°F Control Input Values: 0-20 V Phasecut Auxiliary Switch: No Switch Manual Override: Yes Direction of Rotation: Reversible w/ cw/ccw mounting (spring) Reversible w/ built-in switch (motor) Regards,Paul
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