AF Series Spring Return Direct Coupled Actuator

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AF Series Spring Return Direct Coupled Actuator Minimum in-lb torque For damper areas up to sq-ft* (For lower torque, see NF or LF series) Applications Direct Coupling - The Belimo Concept Remove for / to. shafts New standard clamp fits standard / shafts to. jackshafts. Mount directly to. jackshafts. ZG6 or ZG 7 bracket Linkage is available when direct coupling is not possible. (See Mounting Methods Guide and Mechanical Accessories Documentation) AF Series - at a glance Torque: in-lb Power supply : VAC/DC VAC VAC Control signal: ON-OFF Floating point to VDC Feedback signa:l to VDC Motor: sec constant Spring: < sec External direction of rotation switch Manual override Appliance rated cable, 8 GA Built-in auxiliary switch SPDT AF US (p. 8) AF-S US (p. 8) SPDT Installation instructions...(p. 6 ) General wiring...(p. ) Start-up and checkout (p. ) Electrical operations...(p. ) Special wiring...(p. ) AFR US (p. 8) AFR-S US (p. 8) AF US (p. ) AF-S US (p. ) AFR US (p. ) AFR-S US (p.) AF US (p. ) AF-S US (p. ) AFR- US (p. ) AFR--S US (p. ) AF-SR US (p. ) AFR-SR US (p. ) D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. 6

AF Series Spring Return Direct Coupled Actuator A CLOSER LOOK Cut labor costs with simple direct coupling. LISTED 9D TEMP. IND & REG. EQUIP. UL Belimo s Commitment ISO 9 Since 99 to Quality AF True mechanical spring return - the most reliable failsafe. 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. Actuator returns to normal operation when restriction is removed. (modulating actuators) Easy mechanical stop to adjust angle of rotation (add ZDB-AF accessory). 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 (Not available with AFR series) Need to change control direction? Do it easily with a simple switch. (modulating actuators) D/ -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. Microprocessor-controlled brushless DC motor increases actuator lifespan and reliability, provides constant running time. (modulating actuators) Rugged metal housing withstands rough handling in the mechanical room. ft. appliance cable and conduit connector eases installation. Double insulated - no need for separate safety ground - A Belimo exclusive. (-S,V, V models) Automatically compensates for damper seal wear, ensuring tight close-off. The Belimo Difference Customer Commitment. Extensive product range. Competitive project pricing. Application assistance. Same-day shipments. Free technical support. Unconditional warranty. Low Installation and Life-Cycle Cost. Easy installation. Accuracy and repeatability. Low power consumption. No maintenance. Long Service Life. Components tested before assembly. Every product tested before shipment. + years direct coupled actuator design. 7

AF (-S) US, AFR (-S) US On-off, spring return safety, V Torque min. in-lb, for control of air dampers Application: For on-off, fail-safe control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer s specifications. Control is on-off from an auxiliary contact, or a manual switch. The actuator is mounted directly to a damper shaft up to. in diameter by means of its universal clamp. A crankarm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. LISTED 9D TEMP. IND & REG. EQUIP. UL 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 consistent torque to the damper with, and without, power applied to the actuator. Technical Data Power supply Power consumption Transformer sizing Electrical connection Electrical protection Overload protection Angle of rotation Torque Direction of rotation Position indication Manual override Auxiliary switches Running time Humidity Ambient temperature Storage temperature Housing Housing material Agency listings Noise level Servicing AF (-S) US VAC ± % / Hz VDC ± % running: W holding:. W VA (class power source) ft, 8 GA appliance cable / conduit connector auxiliary switches are double insulated electronic throughout - to 9 rotation 9, adjustable to 9 w/ ZDB-AF in-lb [ Nm] constant spring return can be selected by /C mounting visual indicator, - to 9 (- is spring return position) mm hex crank (shipped w/actuator) x SPDT 7A (.A) @ VAC, UL listed one set at +, one adjustable to 8 sec. constant, independent of load, spring return < sec to 9% RH noncondensing - F to + F [- C to + C] - F to +76 F [- C to +8 C] NEMA type / IP zinc coated steel UL 87 listed, CSA C. No. certified max. db (A) maintenance free Quality standard ISO 9 Weight Position indication Manual override Auxiliary switches 6. lbs (.7 kg.) AFR (-S) US (same as above) - to 9 position indication Not available x SPDT 7A (.A) @ VAC, UL listed adjustable to 8 The AF and AFR series provide 9 of rotation and are provided with a graduated position indicator showing - to 9. The AF has a unique manual positioning mechanism which allows the setting of any damper position within its 9 of rotation. The AF and AFR series actuators are shipped in the zero position ( from full fail-safe) to provide automatic compression against damper gaskets for tight shut-off. When power is applied to the AF series, the manual mechanism is released. When power is applied to the AFR series its one time use mechanism is released. The actuators will now try to close against the - position during its normal control operations. The manual override can also be released physically by the use of a crank supplied with the actuator (AF series). The AF uses a brushless DC motor which is controlled by an Application Specific Integrated Circuit (ASIC). The ASIC monitors and controls the actuator s rotation and provides a digital rotation sensing function to prevent damage to the actuator in a stall condition. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. The AF-S US version is provided with built in auxiliary switches. These SPDT switches are provided for safety interfacing or signaling, for example, for fan start-up. The switching function at the fail-safe position is fixed at +, the other switch function is adjustable between + to +8. The AFR series actuators are provided with SPDT switch, adjustable between to 8. Dimensions (All numbers in brackets are metric.) Standard: /" to." Optional* /8" to /" *with K US clamp.6" [6.].86" [98]." [78]." [8]." [7].9" [].9" []." [9].6" [67].97" [].9" [69].8" [8.].6" [6.].9" [9] D D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. 8

On-off, spring return safety, V AF (-S) US, AFR (-S) US Accessories AV -8 Shaft extension IND-AF Damper position indicator K US Universal clamp for /8 to / shafts K- US Universal clamp for up to. dia jackshafts K-H Universal clamp for hexshafts /8 to /8 KH-AF Crankarm for up to / round shaft (Series ) KH-AF- Crankarm for up to. jackshaft (Series ) KH-AFV V-bolt kit for KH-AF and KH-AF- Tool- mm wrench ZDB-AF Angle of rotation limiter ZG- Universal mounting bracket ZG- Universal mounting bracket ZG- Multiple actuator mounting bracket ZG- Universal mounting bracket ZG- Universal mounting bracket ZG-6 Mounting bracket for Honeywell Mod IV replacement or new crankarm type installations ZG-7 Mounting bracket for Honeywell Mod III or Johnson Series replacement or new crankarm type installations ZG-8 Mounting bracket for Barber Colman MA../.., Honeywell Mod III or IV or Johnson Series replacement or new crankarm type installations ZG-AF Crankarm adaptor kit for AF/NF ZG-AF8 Crankarm adaptor kit for AF/NF ZS- Weather shield (metal) ZS- Weather shield (polycarbonate) ZS- Explosion-proof housing ZS- NEMA X housing AF (-S) US, AFR (-S) US Typical Specification On-off spring return damper actuators shall be direct coupled type which require no crankarm and linkage and be capable of direct mounting to a jackshaft up to a. diameter. The actuators must be designed so that they may be used for either clockwise or counterclockwise fail-safe operation. Actuators shall have a manual positioning mechanism accessible on its cover. AFR will not. Actuators shall use a brushless DC motor and be protected from overload at all angles of rotation. Run time shall be constant and independent of torque. If required, SPDT auxiliary switches shall be provided with one switch having the capability of being adjustable. AFR, SPDT actuators with switches must be constructed to meet the requirement for Double Insulation so an electrical ground connection is not required to meet agency listings. Actuators shall be UL listed and CSA certified, have a year warranty, and be manufactured under ISO 9 International Quality Control Standards. Actuators shall be as manufactured by Belimo. VAC Transformer 6 Common + Hot W D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. For an overview of how to apply the accessories see pages 6-9. More detailed specifications can be found in our Mechanical Accessories Guide. Refer to our Mounting Methods Guide for application details. Note: When using AF US and AF-S US actuators, only use accessories listed on this page. Wiring diagrams VAC Transformer Common + Hot AF US AFR US Provide overload protection and disconnect as required. Actuators may be connected in parallel. Power consumption must be observed. Actuator may also be powered by VDC. W 6 S S S NC NO AFR-S US to 8 AF-S US Provide overload protection and disconnect as required. Actuators may be connected in parallel. Power consumption must be observed. Actuator may also be powered by VDC. For end position indication, interlock control, fan startup, etc., AF-S US incorporates two built-in auxiliary switches: x SPDT, 7A (.A) @ VAC, UL listed, one switch is fixed at +, one is adjustable to 8. AFR-S US x SPDT, 7A (.A) @ VAC, UL listed, to 8 Meets UL and CSA requirements without the need of an electrical ground connection. S S S S S S6 NC NO NC NO to 8 On-off wiring for AF US, AFR US On-off wiring for AF-S US, AFR-S US 9

AF (-S) US, AFR (-S) US / AF (-S) US On-off, spring return safety, or VAC Torque min. in-lb, for control of air dampers Application: For on-off, fail-safe control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer s specifications. Control is on-off from an auxiliary contact, or a manual switch. LISTED 9D TEMP. IND & REG. EQUIP. UL Technical Data AF (-S) US AF (-S) US Power supply VAC ± % VAC ±% / Hz / Hz Power consumption running: 6 W 6. W holding:. W. W Transformer sizing VA VA Electrical connection ft, 8 GA appliance cable / conduit connector Electrical protection Overload protection Angle of rotation Torque Direction of rotation Position indication Manual override Auxiliary switches actuators are double insulated electronic throughout - to 9 rotation 9, adjustable to 9 w/ ZDB-AF in-lb [ Nm] constant spring return can be selected by /C mounting visual indicator, - to 9 (- is spring return position) mm hex crank (shipped w/actuator) x SPDT 7A (.A) @ VAC, UL listed (AF/-S) one set at +, one adjustable to 8 Running time sec. constant, independent of load, spring return < sec Humidity to 9% RH noncondensing Ambient temperature - F to + F [- C to + C] Storage temperature Housing Housing material Agency listings Noise level Servicing - F to +76 F [- C to +8 C] NEMA type / IP zinc coated steel UL 87 listed, CSA C. No. certified max. db (A) maintenance free Quality standard ISO 9 Weight Position indication Manual override Position indication Manual override Auxiliary switches 6.9 lbs (. kg.) AFR US (same as above) - to 9 position indication Not available, when powered the actuator will drive to - for damper pre-tensioning AFR-S US (same as above) - to 9 position indication Not available, when powered the actuator will drive to - for damper pre-tensioning x SPDT 7A (.A) @ VAC, UL listed adjustable to 8 The actuator is mounted directly to a damper shaft up to. in diameter by means of its universal clamp. A crankarm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. 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 consistent torque to the damper with, and without, power applied to the actuator. The AF and AFR series provide 9 of rotation and are provided with a graduated position indicator showing - to 9. The AF has a unique manual positioning mechanism which allows the setting of any damper position within its 9 of rotation. The AF and AFR series actuators are shipped in the zero position ( from full fail-safe) to provide automatic compression against damper gaskets for tight shut-off. When power is applied to the AF series, the manual mechanism is released. When power is applied to the AFR series its one time use mechanism is released. The actuators will now try to close against the - position during its normal control operations. The manual override can also be released physically by the use of a crank supplied with the actuator (AF series). The AF uses a brushless DC motor which is controlled by an Application Specific Integrated Circuit (ASIC). The ASIC monitors and controls the actuator s rotation and provides a digital rotation sensing function to prevent damage to the actuator in a stall condition. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. The actuators are Double Insulated so a ground connection is not required. The AF/-S US version is provided with built-in auxiliary switches. These SPDT switches are provided for safety interfacing or signaling, for example, for fan start-up. The switching function at the fail-safe position is fixed at +, the other switch function is adjustable between + to +8. The AFR series actuators are provided with SPDT switch, adjustable between to 8. Dimensions (All numbers in brackets are metric.) Standard: /" to." Optional* /8" to /" *with K US clamp.6" [6.].86" [98]." [78]." [8]." [7].9" [].9" []." [9].6" [67].97" [].9" [69].8" [8.].6" [6.].9" [9] D D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc.

On-off, spring return safety, or VAC AF (-S) US, AFR (-S) / AF (-S) US D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. Accessories AV -8 Shaft extension IND-AF Damper position indicator K US Universal clamp for /8 to / shafts K- US Universal clamp for up to. dia jackshafts KH-AF Crankarm for up to / round shaft (Series ) KH-AF- Crankarm for up to. jackshaft (Series ) KH-AFV V-bolt kit for KH-AF and KH-AF- Tool- mm wrench ZDB-AF Angle of rotation limiter ZG- Universal mounting bracket ZG- Universal mounting bracket ZG- Multiple actuator mounting bracket ZG- Universal mounting bracket ZG- Universal mounting bracket ZG-6 Mounting bracket for Honeywell Mod IV replacement or new crankarm type installations ZG-7 Mounting bracket for Honeywell Mod III or Johnson Series replacement or new crankarm type installations ZG-8 Mounting bracket for Barber Colman MA../.., Honeywell Mod III or IV or Johnson Series replacement or new crankarm type installations ZG-AF Crankarm adaptor kit for AF/NF ZG-AF8 Crankarm adaptor kit for AF/NF ZS- Weather shield (metal) ZS- Weather shield (polycarbonate) ZS- Explosion-proof housing ZS- NEMA X housing For an overview of how to apply the accessories see pages 6-9. More detailed specifications can be found in our Mechanical Accessories Guide. Refer to our Mounting Methods Guide for application details. Note: When using AF/ US and AF/-S US actuators, only use accessories listed on this page. Wiring diagrams VAC ( VAC for AF US) L N L H Provide overload protection and disconnect as required. Actuators may be connected in parallel. Power consumption must be observed. No ground connection is required. Meets UL and CSA requirements without the need of an electrical ground connection. On-off wiring for AF US/AF US Neutral Hot AF US AFR US AF US W AF US, AFR (-S) US/AF US Typical Specification On-off spring return damper actuators shall be direct coupled type which require no crankarm and linkage and be capable of direct mounting to a jackshaft up to a. diameter. The actuators must be designed so that they may be used for either clockwise or counterclockwise fail-safe operation. Actuators shall have a manual positioning mechanism accessible on its cover. AFR will not. Actuators shall use a brushless DC motor and be protected from overload at all angles of rotation. Run time shall be constant and independent of torque. If required, SPDT auxiliary switches shall be provided with one switch having the capability of being adjustable. AFR, SPDT actuators must be constructed to meet the requirement for Double Insulation so an electrical ground connection is not required to meet agency listings. Actuators shall be UL listed and CSA certified, have a year warranty, and be manufactured under ISO 9 International Quality Control Standards. Actuators shall be as manufactured by Belimo. VAC ( VAC for AF US) 6 S S S L N L H NC NO AFR-S US Neutral Hot Provide overload protection and disconnect as required. Actuators may be connected in parallel. Power consumption must be observed. No ground connection is required. For end position indication, interlock control, fan startup, etc., AF/-S US incorporates two built-in auxiliary switches: x SPDT, 7A (.A) @ VAC, UL listed, one switch is fixed at +, one is adjustable to 8. AFR-S US x SPDT, 7A (.A) @ VAC, UL listed, to 8 Meets UL and CSA requirements without the need of an electrical ground connection. On-off wiring for AF-S US/AF-S US to 8 6 S S S S NC NO NC S S6 to 8 NO AF US AF US W

AFR- (-S) US On-off, spring return reversible, floating point, V Torque min. in-lb, for control of air dampers Application For modulation or on-off control of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer s specifications. The actuator is mounted directly to a damper shaft up to. in diameter by means of its universal clamp. A crankarm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. Control is wire, floating point from a triac or relay, or on-off from an auxiliary contact from a fan motor contactor, controller, or manual switch. The AFR--S US is constructed to meet the requirements for Double Insulated devices. These units do not require a ground connection to meet electrical code requirements. LISTED 9D TEMP. IND & REG. EQUIP. UL Technical Data AFR- (-S) US Power supply VAC ± % / Hz VDC ± % Power consumption running: 6 W ; holding: W Transformer sizing VA (class power source) Electrical connection ft, 8 GA appliance cable / conduit connector Electrical protection Overload protection Input impedance Angle of rotation Torque Direction of rotation auxiliary switches are double insulated electronic throughout - to 9 rotation Ω (.6w) control inputs 9, adjustable to 9 w/ ZDB-AF in-lb [ Nm] constant spring: reversible with /C mounting motor: reversible with built-in switch Position indication visual indicator, - to 9 Manual override Not available Auxiliary switches x SPDT 7A (.A) @ VAC, UL listed (AF--S) adjustable to 8 Running time sec. constant, independent of load, spring return < sec Humidity to 9% RH noncondensing Ambient temperature - F to + F [- C to + C] Storage temperature Housing Housing material Agency listings Noise level Servicing - F to +76 F [- C to +8 C] NEMA type /IP zinc coated metal UL 87 listed, CSA C. No. certified max. db (A) maintenance free Quality standard ISO 9 Weight 6. lbs (.7 kg.) Operation The AFR 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 consistent torque to the damper with, and without, power applied to the actuator. The AFR series provides 9 of rotation and is provided with a graduated position indicator showing - to 9. The AFR series actuators are shipped in the zero position ( from full fail-safe) to provide automatic compression against damper gaskets for tight shut-off. When power is applied to the AFR series its one time use mechanism is released. The AFR uses a brushless DC motor which is controlled by an Application Specific Integrated Circuit (ASIC) and a microprocessor. The microprocessor provides the intelligence to the ASIC to provide a constant rotation rate. The ASIC monitors and controls the brushless DC motor s rotation and provides a digital rotation sensing function to prevent damage to the actuator in a stall condition. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. The AFR--S version is provided with built-in auxiliary switch. This SPDT switch is provided for safety interfacing or signaling, for example, for fan start-up. The switching function is adjustable between to 8. The AF-MFT (-S) US actuator with P- series configurations provides for floating point control, manual override and two auxiliary switches (-S). Please see the Multi-Function Technology documentation. for more details Dimensions (All numbers in brackets are metric.) Standard: /" to." Optional* /8" to /" /8" to /8" *with K US clamp.6" [6.].86" [98]." [78]." [8]." [7].9" [].9" []." [9].6" [67].97" [].9" [69].8" [8.].6" [6.].9" [9] D D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc.

x x On-off, spring return reversible, floating point, V AFR- (-S) US D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. Accessories AV -8 Shaft extension IND-AF Damper position indicator K US Universal clamp for /8 to / shafts K- US Universal clamp for up to. dia jackshafts K-H Universal clamp for hexshafts /8 to /8 KH-AF Crankarm for up to / round shaft (Series ) KH-AF- Crankarm for up to. jackshaft (Series ) KH-AFV V-bolt kit for KH-AF and KH-AF- Tool- mm wrench ZDB-AF Angle of rotation limiter ZG- Universal mounting bracket ZG- Universal mounting bracket ZG- Multiple actuator mounting bracket ZG- Universal mounting bracket ZG- Universal mounting bracket ZG-6 Mounting bracket for Honeywell Mod IV replacement or new crankarm type installations ZG-7 Mounting bracket for Honeywell Mod III or Johnson Series replacement or new crankarm type installations ZG-8 Mounting bracket for Barber Colman MA../.., Honeywell Mod III or IV or Johnson Series replacement or new crankarm type installations ZG-AF Crankarm adaptor kit for AF/NF ZG-AF8 Crankarm adaptor kit for AF/NF ZS- Weather shield (metal) ZS- Weather shield (polycarbonate) ZS- Explosion-proof housing ZS- NEMA X housing For an overview of how to apply the accessories see pages 6-9. More detailed specifications can be found in our Mechanical Accessories Guide. Refer to our Mounting Methods Guide for application details. Note: When using AFR- (-S) US actuators, only use accessories listed on this page. Wiring Diagrams Switch Positions a () b () stop C Installation Side C Direction of Rotation Switch VAC Transformer a open a closed The indication of direction is valid for switch position. On-Off control of AFR- (-S) US C stop stop stop a VAC Transformer Blk () Common Red () + Wht () + Wht () + C AFR- (-S) US The indication of direction is valid for switch position. Floating point control of AFR- (-S) US S S S Auxiliary switches of AF--S US NC NO AFR--S US 6 to 8 7 Blk () Common Red () + Wht () + Wht () + C AFR- (-S) US W W6 W7 AFR- US, AFR--S US Typical Specification Floating point, on-off spring return damper actuators shall be direct coupled type which require no crankarm and linkage and be capable of direct mounting to a jackshaft up to a. diameter. The actuators must be designed so that they may be used for either clockwise or counterclockwise fail-safe operation. Actuators shall have an external direction of rotation switch to reverse control logic. Actuators shall use a brushless DC motor and be protected from overload at all angles of rotation. Run time shall be constant and independent of torque. If required, SPDT auxiliary switch shall be provided with having the capability of being adjustable. Actuators with auxiliary switches must be constructed to meet the requirements for Double Insulation so an electrical ground connection is not required to meet agency listings. Actuators shall be UL listed and CSA certified, have a year warranty, and be manufactured under ISO 9 International Quality Control Standards. Actuators shall be as manufactured by Belimo. Triac source Triac sink VAC Transformer Hot Controller VAC Transformer VAC Transformer Hot Controller Hot Controller Com Com Com Triac sink with separate transformers Notes: VAC Transformer Blk () Common Red () + Hot Wht () + Wht () + C AFR-(-S) US The indication of direction is valid for switch position. Blk () Common Red () + Hot Wht () + Wht () + C AFR-(-S) US The indication of direction is valid for switch position. Blk () Common Red () + Hot Wht () + Wht () + C AFR- (-S) US The indication of direction is valid for switch position. Provide overload protection and disconnect as required. Actuators may be connected in parallel. Power consumption must be observed. May also be powered by VDC. The Common connection from the actuator must be connected to the Hot connection of the controller. The actuator Hot must be connected to the control board Common. 6 For end position indication, interlock control, fan startup, etc., AFR--S US incorporates two built-in auxiliary switches: x SPDT, 7A (.A) @ VAC, UL listed, adjustable to 8. 7 Meets UL & CSA requirements without the need of an electrical ground connection. W8 W9 W

AF-SR US, AFR-SR US Proportional damper actuator, spring return safety, V for to VDC, to V phasecut and to ma control signal. Output signal of to VDC for position indication Torque min. in-lb, for control of air dampers Application For proportional modulation of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer s specifications. The actuator is mounted directly to a damper shaft up to. in diameter by means of its universal clamp. A crankarm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. Technical Data AF-SR (-S) US Power supply VAC ± % / Hz VDC ± % Power consumption running: 6 W ; holding: W Transformer sizing VA (class power source) Electrical connection ft, 8 GA appliance cable / conduit connector Overload protection Operating range Input impedance electronic throughout to 9 rotation to VDC, to ma kω (. ma), Ω Feedback output U to VDC (max.. ma) for 9 Angle of rotation mechanically limited to 9 Torque Direction of rotation Position indication Manual override Running time Humidity Ambient temperature Storage temperature Housing Housing material Agency listings Noise level Servicing in-lb [ Nm] constant spring return reversible with /C mounting. Control direction selected by switch: = with decrease in signal C=C with a decrease in signal visual indicator, - to 9 (- is spring return position) mm hex crank (shipped w/actuator) sec. constant, independent of load, spring return < sec to 9% RH noncondensing - F to + F [- C to + C] - F to +76 F [- C to +8 C] NEMA type / IP zinc coated metal UL 87 listed, CSA C. No. certified max. db (A) maintenance free Quality standard ISO 9 Weight LISTED 9D TEMP. IND & REG. EQUIP. 6. lbs (.7 kg.) Position indication - to 9 Manual override UL AFR-SR US (same as above) Not available The actuator operates in response to a to VDC, with the addition of a Ω resistor, a to ma control input from an electronic controller or positioner. A to 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 9 of rotation and is provided with a graduated position indicator showing - to 9. The AF has a unique manual positioning mechanism which allows the setting of any damper position within its 9 of rotation. When power is applied to the AFR series its one time use mechanism is released. The actuator is shipped in the zero position ( 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 zero position 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 the intelligence 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 rotation and provides a digital rotation sensing function to prevent damage to the actuator in a stall condition. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. Dimensions (All numbers in brackets are metric.) Standard: /" to." Optional* /8" to /" *with K US clamp.6" [6.].86" [98]." [78]." [8]." [7].9" [].9" []." [9].6" [67].97" [].9" [69].8" [8.].6" [6.].9" [9] D D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc.

AF-SR US, AFR-SR US Proportional damper actuator, spring return safety, V for to VDC and to ma control signal. Output signal of to VDC for position indication Accessories AV -8 Shaft extension IND-AF Damper position indicator K US Universal clamp for /8 to / shafts K- US Universal clamp for up to. dia jackshafts K-H Universal clamp for hexshafts /8 to /8 KH-AF Crankarm for up to / round shaft (Series ) KH-AF- Crankarm for up to. jackshaft (Series ) KH-AFV V-bolt kit for KH-AF and KH-AF- Tool- mm wrench SGA Min. and/or man. positioner in NEMA housing SGF Min. and/or man. positioner for flush panel mounting ZG-R Ω resistor for to ma control signal ZDB-AF Angle of rotation limiter ZG- Universal mounting bracket ZG- Universal mounting bracket ZG- Multiple actuator mounting bracket ZG- Universal mounting bracket ZG- Universal mounting bracket ZG-6 Mounting bracket for Honeywell Mod IV replacement or new crankarm type installations ZG-7 Mounting bracket for Honeywell Mod III or Johnson Series replacement or new crankarm type installations ZG-8 Mounting bracket for Barber Colman MA../.., Honeywell Mod III or IV or Johnson Series replacement or new crankarm type installations ZG-AF Crankarm adaptor kit for AF/NF ZG-AF8 Crankarm adaptor kit for AF/NF ZS- ZS- ZS- ZS- Weather shield (metal) Weather shield (polycarbonate) Explosion-proof housing NEMA X housing For an overview of how to apply the accessories see pages 6-9. More detailed specifications can be found in our Mechanical Accessories Guide. Refer to our Mounting Methods Guide for application details. Note: When using AFR-SR US actuators, only use accessories listed on this page. AFR-SR US Typical Specification Spring return control damper actuators shall be direct coupled type which require no crankarm and linkage and be capable of direct mounting to a jackshaft up to a. diameter. The actuator must provide proportional damper control in response to a to VDC or, with the addition of a Ω resistor, a to ma control input from an electronic controller or positioner. The actuators must be designed so that they may be used for either clockwise or counterclockwise fail-safe operation. Actuators shall have control direction of rotation switch accessible on its cover. Actuators shall use a brushless DC motor controlled by a microprocessor and be protected from overload at all angles of rotation. Run time shall be constant, and independent of torque. A to VDC feedback signal shall be provided for position feedback or master-slave applications. Actuators shall be UL listed and CSA certified, have a year warranty, and be manufactured under ISO 9 International Quality Control Standards. Actuators shall be as manufactured by Belimo. Wiring diagrams VAC Transformer W D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. Control Signal ( ) to VDC (+) VAC Transformer to ma ( ) Control Signal (+) to VDC ( ) Feedback Signal (+) Ω Ω Common + Hot Y Input, to V U Output to V Common + Hot Y Input, to V U Output to V Provide overload protection and disconnect as required. Actuators may be connected in parallel. Power consumption and input impedance must be observed. Actuator may also be powered by VDC. The ZG-R Ω resistor converts the to ma control signal to to VDC. Only connect common to neg. ( ) leg of control circuits AF-SR US AFR-SR US AF-SR US AFR-SR US

Installation Instructions Quick-Mount Visual Instructions for Mechanical Installation min. /" [9] min. /" [] IND-AF Position Indicator (optional) QUICK-MOUNT VISUAL INSTRUCTIONS Remove for / to. shafts. Rotate the damper to its fail-safe position. If the shaft rotates counterclockwise, mount the C side of the actuator out. If it rotates clockwise, mount the actuator with the side out. IND-AF Position Indicator (optional). Slide the actuator onto the shaft and tighten the nuts on the V-bolt with a mm wrench to 6-8 ft-lb of torque.. Slide the anti-rotation strap under the actuator so that it engages the slot at the base of the actuator. Secure the strap to the duct work with #8 self-tapping screws. D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc.. If the universal clamp is not on the correct side of the actuator, move it to the correct side. 6 NOTE: Read the Standard Mounting instructions, on the next page, for more detailed information.

Mechanical Installation Installation Instructions Determining Torque Loading and Actuator Sizing Damper torque loadings, used in selecting the correct size actuator, should be provided by the damper manufacturer. If this information is not available, the following general selection guidelines can be used. Damper Type Torque Loading Opposed blade, without edge seals, in-lb/sq. ft. for non-tight close-off applications Parallel blade, without edge seals, in-lb/sq. ft. for non-tight close-off applications Opposed blade, with edge seals, in-lb/sq. ft. for tight close-off applications Parallel blade, with edge seals, 7 in-lb/sq. ft. for tight close-off applications The above torque loadings will work for most applications under in. w.g. static pressure or FPM face velocity. For applications between this criteria and in. w.g. or FPM, the torque loading should be increased by a multiplier of.. If the application calls for higher criteria up to in. w.g. or FPM, use a multiplier of.. Damper Area (sq. ft.) 7 Torque Loading Chart 6 8 7 9 Torque Loading (in-lb/ sq. ft.) D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. General Information Belimo actuators should be mounted indoors in a dry, relatively clean environment free from corrosive fumes. If the actuator is to be mounted outdoors, a protective enclosure must be used to shield the actuator. For new construction work, order dampers with extended shafts. Instruct the installing contractor to allow space for mounting and service of the Belimo actuator on the shaft. The damper shaft must extend at least /" from the duct. If the shaft extends less than /" or if an obstruction blocks access, the shaft can be extended with the AV -8 shaft extension or the actuator may be mounted in its short shaft configuration. Mechanical Operation The actuator is mounted directly to a damper shaft up to. in diameter by means of its universal clamp. A crankarm and several mounting brackets are available for applications where the actuator cannot be direct coupled to the damper shaft. 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 -S versions are provided with built-in auxiliary switches. These SPDT switches are provided for safety interfacing or signaling, for example, for fan start-up. The switching function at the fail-safe position is fixed at +, the other switch function is adjustable between + to +8. The AFR series are provided with x SPDT 7A (.A) @ VAC, UL listed adjustable switch, to 8. Automatic Airtight Dampers/Manual Override The AF series provides 9 of rotation and is provided with a graduated position indicator showing - to 9. The AF has a unique manual positioning mechanism which allows the setting of any damper position within its 9 of rotation. A pre-tensioned spring automatically tightens damper when power is applied to the actuator, compensating for damper seal deterioration. The actuator is shipped in the position ( 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. While the AFR series actuators do not have a manual override they do provide the - pre-tensioning feature. Standard Mounting Note:The AF series actuator is shipped with the manual override adjusted for a position at the universal clamp (not at full fail-safe, - ). This allows for automatic compression of damper blade seals when the actuator is in use, providing tight shut-off. This assumes that the damper is to have tight shut-off at the fail-safe position. If tight close-off is desired at the opposite direction from fail-safe, the manual override should be released so the actuator can go to the full fail-safe position. See the manual override instructions.. Manually move the damper to the fail-safe position (usually closed). If the shaft rotated counterclockwise ( ), this is a C installation. If the shaft rotated clockwise ( ), this is a installation. In a C installation, the actuator side marked C faces out, while in a installation, the side marked faces out. All other steps are identical.. The actuator is usually shipped with the universal clamp mounted to the C side of the actuator. To test for 7

Installation Instructions Mechanical Installation 8 adequate shaft length, slide the actuator over the shaft with the side marked C (or the side if this is the side with the clamp). If the shaft extends at least /8 through the clamp, mount the actuator as follows. If not, go to the Short Shaft Installation section. - C - C - C - C Correct clamp mounting position when actuator is shipped from factory (with preload) Correct clamp mounting position if actuator is at full fail-safe. Correct pointer mounting position when actuator is at preload. Correct pointer mounting position if actuator is at full fail-safe. Fig. A Universal Clamp and IND-AF Pointer (optional) positions indicating fail-safe and pre-load settings. If the clamp is not on the correct side as determined in step #, re-mount the clamp as follows. If it is on the correct side, proceed to step #. Look at the universal clamp. If you are mounting the actuator with the C side out, position the clamp so that the pointer section of the tab is pointing to (see Fig. C) and the spline pattern of the clamp mates with spline of the actuator. Slip the clamp over the spline. (Use the same procedure if the side is out.) If your application requires a mechanical minimum position, read the Rotation Limiting, Mechanical Minimum Damper Position section.. Lock the clamp to the actuator using the retaining clip. - - -. Verify that the damper is still in its full fail-safe position. 6. Slide the actuator over the shaft. 7. Position the actuator in the desired location. 8. Tighten the two nuts on the clamp using a mm wrench or socket using 6-8 ft-lb of torque. 9. Slip the stud of the anti rotation strap into the slot at the base of the actuator. The stud should be positioned approximately /6 of an inch from the closed end of the slot. Bend the strap as needed to reach the duct. Attach the strap to the duct with #8 self tapping screws. Short Shaft Installation If the shaft extends at least / from the duct, follow these steps:. Determine the best orientation for the universal clamp on the back of the actuator. The best location would be where you have the easiest access to the V bolt nuts on the clamp.. Engage the clamp to the actuator as close as possible to the determined location.. Lock the clamp in place using the remaining retainer clip.. Verify that the damper is still in its full fail-safe position.. Slide the actuator over the shaft. 6. Position the actuator in the desired location. 7. Tighten the two nuts on the clamp using a mm wrench or socket using 6-8 ft-lb of torque. 8. Slip the stud of the anti-rotation strap into the slot at the base of the actuator. The stud should be positioned approximately /6 of an inch from the closed end of the slot. Bend the strap as needed to reach the duct. Attach the strap to the duct with #8 self tapping screws. 9. If damper position indication is required, use the optional IND-AF pointer. See Fig. A. Jackshaft Installation The AF series actuator is designed for use with jackshafts up to. in diameter. In most applications, the AF actuator may be mounted in the same manner as a standard damper shaft application. If more torque is required than one AF actuator can provide, a second AF actuator may be mounted to the jackshaft using the ZG- multiple actuator mounting bracket. See page for wiring details. Fig. B D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc.

Mechanical Installation Installation Instructions Multiple Actuator Mounting If more torque is required than one AF actuator can provide, a second AF actuator may be mounted to the shaft using the ZG- multiple mounting bracket. Notes: The manual positioning mechanism cannot be used in multiple actuator applications.. Special Wiring and Additional Information: See page Rotation Limitation The angle of rotation limiter, ZDB-AF, is used in conjunction with the tab on the universal clamp or IND-AF position indicator which comes with the ZDB-AF. In order to function properly, the clamp or indicator must be mounted correctly. See Fig. A. The ZDB-AF may not work in certain mounting orientations using the ZG-6 or ZG-7 mounting brackets. It will not work with the ZG-8 mounting bracket. Limiting the damper rotation must be accomplished by adjusting the crankarm linkage. 6. Fasten the limiter to the actuator using the self tapping screw provided. 7. Test the damper rotation either manually with the manual crank or apply power and if required, a control signal. Re-adjust if necessary. Mechanical minimum damper position In order to use this procedure, the actuator must be mounted for short shaft mounting. See pages 8 &.. Position the damper to its minimum position by using the manual crank or by providing the appropriate control signal to the AF modulating type actuator.. Place the indicator on to the actuator spline in the approximate position shown in Fig. D. Fasten it with the retaining clip. Note that the mounting orientation is different than the mounting used for Damper Rotation Limiting. D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. The ZDB-AF may be used in ways to control the rotational output of the AF series actuator. One use is in the application where a damper has a designed rotation less than 9. An example would be a or rotating damper. The other application would be to set a minimum damper position which can be easily set or changed without having to remove the actuator from the damper. Damper rotation limiting. Determine the amount of damper rotation required.. Locate the Angle of Rotation Limiter (ZDB-AF) on the actuator so that its edge lines up with the degree graduation on the actuator face which corresponds with the required rotation. See Fig. C. Screw secured at these cross hairs Angle of rotation is now set at. Secure angle-ofrotation limiter. Find the appropriate cross-hair location through the slot of the limiter. This is the screw mounting location.. Pierce through the label material to allow easy fastening of the retaining screw.. Position the limiter back to the desired position, making sure the locating teeth on the limiter are engaged into the locating holes on the actuator. Screw Philips screwdriver Fig. C ZDB-AF Securing the Angle of Rotation Limiter - 7 8 C - 7 8 C 9 9 Fig. D Fig. E. Place the ZDB-AF rotation limiter on the actuator so that it either makes contact with, or is as close as possible to, the edge of the indicator. See Fig. E. Make sure that the locating teeth are engaged into the locating holes on the actuator. If all of the mounting teeth do not align with the holes, the mounting location of the indicator to the spline may have to be moved. The limiter would then be remounted to get the best position match of both parts.. Find the cross-hair location through the slot of the limiter. This is the screw mounting location.. Pierce through the label material to allow easy fastening of the retaining screw. 6. Fasten the limiter to the actuator using the self tapping screw provided. 7. Test the damper operation either manually with the manual crank or apply power and if required, a control signal. Re-adjust if necessary. 9 9 8 8 7 7 - - 9

Installation Instructions This method should not be used for outside air damper applications. The damper will never go to the full close-off position. This may cause coils to freeze or other system problems. The AF-SR(-S) US wired to either the SGA or SGF can be used for minimum position setting and still provide full close-off. Manual override The AF series actuators can be manually positioned to ease installation or for emergency positioning. allen wrench is used to adjust the switching position. AFR series x SPDT 7A (.A) @ VAC, UL listed adjustable to 8 Switch Rating Voltage Resistive Load Inductive Load VAC 7A A VAC 7A.A Two methods may be used to adjust the switching point of the adjustable switch. Winding the damper actuator - insert crank handle - turn handle in direction of arrow Locking the damper actuator - rotate crank handle / turn in the direction shown by the locked icon. (Not provided with AFR series) Unlocking the damper actuator ( options) - rotate crank handle / turn in the direction shown by the unlocked icon. - remote control by supplying power to the unit for > than sec.. The manual override will only work if no power is available to the actuator.. Insert the manual crank (shipped with the actuator) into the hexagon hole located on either side of the actuator. An illustration, located on the label, shows the location.. Turn the crank in the direction shown on the label (clockwise on the side, counterclockwise on the C side). It will take approximately 9 revolutions to rotate the full 9 of rotation.. To lock the actuator in the required position, rotate the crank quickly in the opposite direction, / of a revolution. The lock closed icon on the label shows the correct direction.. The manual override may be disengaged in ways. - Rotate the crank about a / revolution in the same direction as the initial winding. The lock open icon shows the correct direction. - Apply power to wire and. The actuator will automatically disengage the override function and will go to the on position in the case of the on-off versions. Or, in the case of the proportional versions, go to the signal position and then go to the position corresponding to the control signal. The actuator will now work normally. Testing the installation without power The actuator/damper installation may be tested without power at the actuator. Refer to the manual positioning section of the instructions. Move the damper to its full non-fail-safe position using the manual crank. Disengage the manual position mechanism and have the damper go to full fail-safe position. Correct any mechanical problems and retest. Auxiliary Switches The AF series actuators may be ordered with built-in SPDT auxiliary switches used for safety interfacing or signalling, for example, for fan start-up. The switch position near the fail-safe position is fixed at. The other is adjustable between and 8 of rotation. The crank, supplied with the actuator, or a mm Method - See Fig. F The actuator must be in its fail-safe position.. Insert the crank into the hexagon shaped hole located in the center of the adjustable switch pointer.. Rotate the crank until the switch pointer is at the desired switch point in degrees as shown. Method - See Fig. G. Position the damper to the point at which you want the switch to activate. This may be done by using the manual override or by providing the appropriate proportional signal to AF modulating type actuator. The position of the switch pointer is not important during this step.. Insert the crank into the hexagon shaped hole located in the center of the adjustable switch pointer.. Rotate the switch pointer to just past the switch point indicating arrow as shown. AF series Factory setting 8 7 8 8 Actuator after locking 7 8 8 AFR series Crank Handle Factory setting 8 8 7 8 Rotate with crank handle 7 8 8 Crank Handle Fig. F Switch operates 7 8 8 Fig. G Rotate with crank handle 8 7 Crank Handle 8 set 7 8 8 Switch does not operate 7 8 8 set 8 7 8 D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. Fig. D

Non-direct mounting methods and electrical operation Installation Instructions Crankarm for AF Series Actuators The KH-AF (-) crankarm is used in non-direct coupled mounting applications. The KH-AF (-) may also be used to simultaneously direct couple to a damper shaft and provide an additional crank arm connection to a second damper. The KH-AFV V-bolt kit must be used for this non-direct application (see illustration below). KH-AF crankarm including retaining ring. Caution: the retaining clip supplied with the clamp is not used to mount the KH-AF crankarm. Two sizes are available: KH-AF For round shafts up to / or square shafts up to /8 KH-AF- For jackshafts up to. KH-AFV V-bolt kit for KH-AF(-) crankarm Note: KH-AF (-) crankarms cannot be used on AF Series actuators. KH-AF (-) crankarm with KH-AFV V-bolt kit KH-8 crankarm D / -/-M-IL-Subject to change. Belimo Aircontrols (USA), Inc. KH-AF Non-direct mounting with ZG-8 mounting bracket Electrical Operation General The AF series actuators utilize brushless DC motor technology. The AF uses this motor in conjunction with an Application Specific Integrated Circuit (ASIC). In the On-Off versions of the AF, the ASIC monitors and controls the actuator s rotation and a digital rotation sensing function to prevent damage to the actuator. The AF modulating type actuators incorporate a built in microprocessor. The microprocessor provides the intelligence to the ASIC to provide a constant rotation rate and knows the actuator s exact zero position. Brushless DC motor operation Belimo s brushless DC motor spins by reversing the poles of stationary electromagnets housed inside of a rotating permanent magnet. The electromagnetic poles are switched by a special ASIC circuit developed by Belimo. Unlike the conventional DC motor, there are no brushes to wear or commutators to foul. Overload protection The AF series actuators are protected from overload at all angles of rotation. The ASIC circuit constantly monitors the Multiple dampers direct coupled to one actuator with linkage to operate the other damper. rotation of the DC motor inside the actuator and stops the pulses to the motor when it senses a stall condition. The DC motor remains energized and produces full rated torque to the load. This helps ensure that dampers are fully closed and that edge and blade seals are always properly compressed. The AF actuators are protected against overload by digital technology located in the ASIC. The ASIC circuitry constantly monitors the rotation of the brushless DC motor inside the actuator and stops the pulsing to the motor when it senses a stall condition. The motor remains energized and produces full rated torque during stall conditions. Motor position detection Belimo brushless DC motors eliminate the need for potentiometers for positioning in modulating type actuators. Inside the motor are three Hall Effect sensors. These sensors detect the spinning rotor and send pulses to the microprocessor which counts the pulses and calculates the position to within / of a revolution of the motor.