Technical Data2098Servicechilled, hot water, up to 60% glycolFlow Characteristicequal percentageControllable Flow Range75°Size [mm]2.5” [65]End FittingNPT female endsBodyforged brass, nickel platedBallstainless steelStemstainless steelStem PackingEPDM (lubricated)SeatTeflon® PTFESeat O-ringEPDM (lubricated)Characterized DiscTEFZEL®Body Pressure Rating [psi]400Media Temperature Range (Water)0°F to 212°F [-18°C to 100°C]Max Differential Pressure (Water)30 psiClose-Off Pressure100 psiCv150 Weight8.2 lb [3.7 kg]Leakage0% for A to ABServicingmaintenance freeFlow PatternApplicationThis valve is typically used in air handling units on heating or cooling coils, and fan coil unit heating or cooling coils. Some other common applications include Unit Ventilators, VAV box re-heat coils and bypass loops. This valve is suitable for use in a hydronic system with variable flow.Suitable Actuators Non-SpringSpringB264ARB(X)AFRB(X)Dimensions (Inches [mm])BACDH2EFH1ARB, ARXABCDEFH110.1” [257]5.55” [141]7.98” [202]5.98” [152]2.78” [71]1.88” [48]B264, 2-Way, Characterized Control ValveStainless Steel Ball and Stem800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 10/27/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Dimensions (Inches [mm])BACDEFAFRB, AFRXABCDEF11.52” [293]5.55” [141]8.61” [220]6.61” [168]2.02” [51]Dimensions (Inches [mm])B ACDEFARB N4, ARX N4, NRB N4, NRX N4ABCDEF11.36” [289]5.55” [141]10.74” [274]8.01” [204]3.15” [80]Dimensions (Inches [mm])BACDH2EFH1ARQB, ARQXABCDEFH1H29.9” [251]4.21” [107]8.11” [195]6.11” [155]2.28” [58]0.75” [20]0.5” [15]Dimensions (Inches [mm])B ACDEFAFRB N4, AFRX N4ABCDEF12.98” [330]5.55” [141]10.29” [261]9.24” [235]3.39” [86]B264, 2-Way, Characterized Control ValveStainless Steel Ball and Stem800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 10/27/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Technical Data100527Power Supply24 VAC ± 20%, 50/60 Hz, 24 VDC ± 10%Power Consumption Running7.5 WPower Consumption Holding3 WTransformer Sizing10 VA (class 2 power source)Electrical Connection3ft [1m], 18 GA appliance cable with 1/2” conduit connectorOverload Protectionelectronic throughout 0° to 95° rotationOperating Range Y2 to 10 VDC, 4 to 20 mA w/ ZG-R01 (500 Ω, 1/4 W resistor), variable (VDC, PWM, floating point, on/off)Input Impedance100 k Ω for 2 to 10 VDC (0.1 mA), 500 Ω for 4 to 20 mA, 1500 Ω for PWM, floating point and On/OffFeedback Output U2 to 10 VDC, 0.5 mA max, VDC variableAngle of Rotation90°Direction of Rotation (Motor)reversible with switchDirection of Rotation (Fail-Safe)reversible with CW/CCW mountingPosition Indicationvisual indicator, 0° to 95° (0° is full spring return position)Manual Override5 mm hex crank (3/16” Allen), suppliedRunning Time (Motor)150 sec (default), variable (70 to 220 sec)Running Time (Fail-Safe)<20 secAngle of Rotation Adaptationoff (default)Override Controlmin. position = 0% , mid. Position = 50% , max. position = 100% (Default)Ambient Temperature Range-22°F to 122°F [-30°C to 50°C]Storage Temperature Range-40°F to 176°F [-40°C to 80°C]HousingNEMA 4, IP66, UL enclosure type 4Agency Listings†cULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2004/108/EC and 2006/95/ECNoise Level (Motor)<45 dB (A) Noise Level (Fail-Safe)<62 dB (A) Servicingmaintenance freeQuality StandardISO 9001†Rated Impulse Voltage 800V, Type of Action 1, Control Pollution Degree 2.AFRX24-MFT N4NEMA 4, Modulating, Spring Return, Direct Coupled, 24 V, Multi-Function Technology®800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 08/14/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Wiring DiagramsINSTALLATION NOTESAActuators with appliance cables are numbered.Provide overload protection and disconnect as required.Actuators may also be powered by 24 VDC.Only connect common to negative (-) leg of control circuits.A 500 Ω resistor (ZG-R01) converts the 4 to 20 mA control signal to 2 to 10 VDC.Control signal may be pulsed from either the Hot (Source) or Common (Sink) 24 VAC line.For triac sink the Common connection from the actuator must be connected to the Hot connection of the controller. Position feedback cannot be used with a triac sink controller; the actuator internal common reference is not compatible.IN4004 or IN4007 diode. (IN4007 supplied, Belimo part number 40155).46Actuators may be controlled in parallel. Current draw and input impedance must be observed.47Master-Slave wiring required for piggy-back applications. Feedback from Master to conrol input(s) of Slave(s).Meets cULus requirements without the need of an electrical ground connection.!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 qualified 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 components could result in death or serious injury. Blk (1)Red (2)Pnk (4) Wht (3)Org (5) LineVolts24 VAC TransformerPositionFeedback VDC(+)(–)Common+ Hot Y2 Input Y1 InputU Output A134647On/Off 24 VAC Transformer (AC Only)Blk (1) Common Red (2) + Hot Wht (3) Y1 InputOrg (5) U Output Pnk (4) Y2 Input LineVolts(–)(+)Position Feedback VDC1104647Floating Point Blk (1) CommonRed (2) + HotPnk (4) Y2 InputWht (3) Y1 InputOrg (5) U Output(–)(+)LineVolts24 VAC Transformer500 1/4 wattControl Signal VDC / mAA13546477VDC/mA Control Blk (1) CommonRed (2) + HotWht (3) Y1 InputPnk (4) Y2 InputOrg (5) U OutputLineVolts24 VAC Transformer (AC only) (–) (+)PositionFeedback VDCA184647PWM ControlAFRX24-MFT N4NEMA 4, Modulating, Spring Return, Direct Coupled, 24 V, Multi-Function Technology®800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 08/14/2017 - Subject to change. © Belimo Aircontrols (USA), Inc. Functions0%50%100%Control mode acc. to Y1MinMidMaxNormalabcOrg (5) 24 VAC Transformer (AC Only) U Output15Blk (1) CommonRed (2) + Hot Pnk (4) Wht (3) (–)(+)LineVoltsBCAVDC / mAControl Signal Y2 Input Y1 Input127 182Override Control Blk (1) CommonRed (2) + HotWht (3) Y1 InputOrg (5) U OutputMaster24 VAC TransformerLine VoltsControl Signal (–)(+)Blk (1) CommonRed (2) + HotWht (3) Y1 InputOrg (5) U Output 1546477Slave1Master - SlaveAFRX24-MFT N4NEMA 4, Modulating, Spring Return, Direct Coupled, 24 V, Multi-Function Technology®800-543-9038 USA866-805-7089 CANADA203-791-8396 LATIN AMERICA / CARIBBEANDate created, 08/14/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.Next >