Belimo AFRB24-SR-S Technical Data

1 08/10 - Subject to change. © Belimo Aircontrols (USA), Inc. WARNING Live Electrical Components! During installation, testing, servicing and troubleshooting of this product, it may be necessary to work with live electrical components. Have a qualifi ed licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks. Failure to follow all electrical safety precautions when exposed to live electrical compo- nents could result in death or serious injury. Control Signal (+) 2 to 10 VDC (–) 1 Common 2 + Hot 3 Y1 Input, 2 to 10V 5 U Output 2 to 10V 1 3 24 VAC Transformer AFRB24-SR, AFRB24-SR-S AFRX24-SR, AFRX24-SR-S Line Volts W068_AFRB(X)24-SR 2 to 10 VDC control of AFRB24-SR and AFRX24-SR AFRB24-SR, AFRB24-SR-S AFRX24-SR, AFRX24-SR-S W069_AFRB(X)24-SR 4 to 20 mA control of AFRB24-SR and AFRX24-SR with 2 to 10 VDC feedback output AFRB24-SR-S AFRX24-SR-S W064_AFRB(X)24_SR_-S Auxiliary switches for AFRB24-SR-S, AFRX24-SR-S AFRB24-SR, AFRB24-SR-S, AFRX24-SR, AFRX24-SR-S Proportional, Spring Return, 24 V, for 2 to 10 VDC or 4 to 20 mA Control Signal Technical Data AFRB24-SR, AFRB24-SR-S, AFRX24-SR, AFRX24-SR-S Power supply 24 VAC ±20%, 50/60 Hz 24 VDC +20% / -10% Power consumption running 5.5 W holding 3 W Transformer sizing 8.5 VA (class 2 power source) Electrical connection AFRB... 3 ft, 18 GA appliance cable, 1/2" conduit connector -S models: two 3 ft, 18 gauge appliance cables with 1/2” conduit connectors AFRX... 3 ft [1m], 10 ft [3m] or 16 ft [5m] 18 GA appliance or plenum cables, with or without 1/2” conduit connector -S models: Two 3 ft [1m], 10 ft [3m] or 16 ft [5m] appliance cables, with or without 1/2" conduit connectors Overload protection electronic throughout 0 to 90° rotation Operating range Y 2 to 10 VDC, 4 to 20mA Input impedance 100 kΩ for 2 to 10 VDC (0.1 mA) 500 Ω for 4 to 20 mA Feedback output U 2 to 10 VDC (max. 0.5 mA) Direction of rotation spring reversible with CW/CCW mounting motor reversible with built-in switch Mechanical angle of rotation 90° (adjustable with mechanical end stop, 35° to 90°) Running time spring < 20 seconds @ -4°F to 122°F [-20°C to 50°C]; < 60 seconds @ -22°F [-30°C] motor 90 seconds Position indication visual indicator, 0° to 90° (0° is full spring return position) Manual override 5 mm hex crank (³⁄₁₆" Allen), supplied Humidity max. 95% RH non-condensing Ambient temperature -22°F to 122°F [-30°C to 50°C] Storage temperature -40°F to 176°F [-40°C to 80°C] Housing Nema 2, IP54, Enclosure Type2 Housing material zinc coated metal and plastic casing Agency listings† cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2004/108/EC & 2006/95/EC Noise level ≤40dB(A) motor @ 90 seconds ≤62dB(A) spring return Quality standard ISO 9001 † Rated Impulse Voltage 800V, Type of action 1.AA (1.AA.B for -S version), Control Pollution Degree 3. AFRB24-SR-S, AFRX24-SR-S Auxiliary switches 2 x SPDT 3A (0.5A) @ 250 VAC, UL approved one set at +10°, one adjustable 10° to 90° Wiring Diagrams 1 Provide overload protection and disconnect as required. 3 Actuator may also be powered by 24 VDC. 4 For end position indication, interlock control, fan startup, etc., AFRB24-SR-S and AFRX24-SR-S incorporates two built-in auxiliary switches: 2 x SPDT, 3A (0.5A) @250 VAC, UL Approved, one switch is fi xed at +10°, one is adjustable 10° to 90°. 5 Only connect common to neg. (–) leg of control circuits The ZG-R01 500 Ω resistor converts the 4 to 20 mA control signal to 2 to 10 VDC. 71074-00004

2 08/10 - Subject to change. © Belimo Aircontrols (USA), Inc. AFRB24-SR, AFRB24-SR-S, AFRX24-SR, AFRX24-SR-S Proportional, Spring Return, 24 V, for 2 to 10 VDC to 4 to 20 mA Control Signal A-AB= 0% B-AB=100% AB B A 4 3 1 .9 .8 .7 6 2 A-AB=100% B-AB= 0% AB B A 3 4 2 1 .9 .8 .7 6 '$ '0 33 ... 100% Y= 0 Y= 0 .2 .4 .6 .8 .9 .8 .7 .6 .5 .4 .3 .2 .1 FO FC