Belimos new nfb and nfx series sets a new standard for directcoupled spring return actuators in the hvac market. How do spring return actuators work using a belimo afa24sr. Straightforward information about controls and building automation. Belimo nfb24srs spring return proportional actuator w 2 aux switches, 90 lbin 24 vacdc the nfb24srs versions are provided with two builtin auxiliary switches. Repack kit, for belimo g2b, g2s, g3b series globe valves. The nf24 sr uses a brushless dc motor which is controlled by an application specific integrated circuit asic and a microprocessor. Arb120sr belimo valve actuator modulating model 44. Typical specification spring return control damper actuators shall be direct coupled type which require no. Nfb24sr, nfb24sr s, nfx24sr, nfx24srs, proportional, spring return, 24 v, for 2 to 10 vdc or 4 to 20 ma control signal. Belimo mft programming codes am actuators technical manual nonspring return actuator cross reference chart nm actuators technical manual sga, sgf remore positioners data sheet zgjsl jackshaft linkage installation instructions zgjsl jackshaft linkage submittal gm actuators technical manual lm actuators technical manual lu actuators technical.
Nfb24 sr damper actuator modulating, spring return, 24 vacdc, for 2 to 10 vdc or 4 to 20 ma control signal 8005439038 usa 8668057089 canada 2037918396 latin america caribbean. Nfb24sr damper actuator, modulating, spring return, 24 vacdc, for 2 to 10 vdc or 4 to 20 ma control signal created date. Actuator type spring return angle of rotation 95 control type dc 2. Actuator type spring return angle of rotation 95 auxiliary switches 2 x spdt. True mechanical spring return the most reliable failsafe. Belimo new parts for electronic fail safe series actuators installation manual, save energy and decrease installation costs with hvac retrofit replacement solutions. The damper actuators come in twoposition, tristate, proportional, and multifunction technology mft models. The actuator must provide proportional damper control in response. Insert the manual crank shipped with the actuator into. Nfb24 failsafe actuators actuators belimo us official site. New af and nf spring return actuators provide more features in a smaller housing, about 25% smaller. Designed for fail safe, modulating damper control in hvac systems, this belimo spring return damper actuator 24vacdc.
Damper actuator, 35 inlb 4 nm, spring return, ac 120 v, onoff, 1 x spdt. Belimo nfb24sr damper actuator 90 inlb spg rtn 24v. How to retrofit actuators and valves in hvac belimo actuator cross reference. These spdt switches provide safety interfacing or signaling, for example, for fan startup.
When using nfb24sr, nfb24srs, nfx24sr and nfx24srs actuators, only use accessories listed on this page. Efx series, afb series, afx series, af series, nfb series, nfx series, lf series, tf series, gmb series, amb series, arb series, nmb series. Nfb24sr damper actuator, modulating, spring return, 24 vacdc, for 2 to 10 vdc or 4 to 20 ma control signal author. Onoff from an auxiliary contact, or a manual switch. Belimo nfb24 spring return failsafe, onoff damper control actuator, direct coupled 24 vacdc no aux switch features. For actuator wiring information and diagrams, refer to belimo wiring guide. Manual override 5 mm hex crank 316 allen, supplied power consumption holding 2. Check damper position with clear position indicator. Spring return valve actuator, linkage mount, 24vacdc, 90 inlb, 210vdc 420ma proportional control signal, belimo nfb24srs spring return damper actuator, 24vacdc, 90 inlb, 210vdc 420ma proportional control signal, belimo nfb24srs necc offers sr actuator 24v 210. Belimo nfb24sr spring return failsafe, proportional damper control actuator 24v no aux switch belimo s new nfb and nfx series sets a new standard for directcoupled spring return actuators in the hvac market. The sale of certain items may be geographically restricted. Nfb24srs damper actuator, modulating, spring return, 24 vacdc, for 2 to 10 vdc or 4 to 20 ma control signal author. Actuator sizing should be done in accordance with the damper manufacturers specifications. The nfb24 sr and nfx24sr uses a brushless dc motor which is controlled by.
A compact size, low power consumption and 50% increase in minimum torque output set the new nfb and nfx apart from other market solutions. Indaf2 position indicator optional indaf2 position indicator optional min. The nf24 sr is used for proportional modulation of dampers in hvac systems. In this video you will see how to manually operate a sp. Nfb24srs n4 damper actuator technical data sheet belimo. Nfb24srs damper actuator, modulating, spring return, 24 vacdc, for 2 to 10 vdc or 4 to 20 ma control signal created date. Nfb24sr n4, belimo nfb24sr n4, damper actuator, spring. Nfb24 sr damper actuator, modulating, spring return, 24 v, for 2 to 10 vdc or 4 to 20 ma control signal. Belimo nfb24srs n4 product pictures shown represent the general type of component listed.
When replacing an actuator, whether belimo or other, be sure to consider the application parameters before selecting the replacement. The nfb24sr and nfx24sr uses a brushless dc motor which is controlled by. If the shaft rotated counterclockwise, this is a ccw installation. Nfb24sr failsafe actuators actuators belimo us official site. Belimo lf24sr spring return failsafe, proportional damper control actuator, direct coupled 24 vacdc no aux switch the lf24sr is used for proportional modulation of dampers and control valves in hvac systems. Damper actuator, 90 inlb 10 nm, spring return, acdc 24 v, 2. Jackshaft retrofit linkage with belimo rotary actuators. The nf24sr series actuators provide true spring return operation for reliable.
Actuator type spring return angle of rotation 95 auxiliary switches 1 x spdt. Nf24sr 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 1. Torque minimum is 90 inlb, for control of air dampers. Damper actuator, 90 inlbs 10 nm, spring return, acdc 24 v, dc 2. Product pictures shown represent the general type of device listed. Nfb24sr damper actuator, modulating, spring return, 24 v, for 2 to 10 vdc or 4 to 20 ma control signal. Nfb24sr, nfb24srs, nfx24sr, nfx24srs proportional, spring return, 24 v, for 2 or 10 vdc or 4 to 20 ma control signal torque min. Belimo nmb24sr nonspring return, proportional damper control actuator, direct coupled 24 vacdc no aux switch features. Items in your download folder download folder is empty. Nfb24sr, belimo nfb24sr, damper actuator, spring, 90inlb.
Spring return control damper actuators shall be direct coupled. When using nfb24sr, nfb24sr s, nfx24sr and nfx24srs actuators, only use accessories listed on this page. The belimo tfb, belimo lf, belimo nfb, belimo afb, and belimo efb series directcoupled air damper actuators provide control of dampers and valves for spring return applications. Globe valve gv, 2, 2way, ansi class 250, cv 40 valve actuator, spring return, acdc 24 v, 2. Nfb24srs damper actuator technical data sheet belimo. For failsafe, modulating control of dampers in hvac systems. Belimo installation manuals for valves and belimo installation manuals.
Mounting installation instructions belimo americas usa. Belimo nfb24sr spring return failsafe, proportional damper control actuator 24v no aux switch belimos new nfb and nfx series sets a new standard for directcoupled spring return actuators in the hvac market. The nfb24sr and nfx24sr uses a brushless dc motor which is controlled by an. The actuator operates in response to a 2 to 10 vdc, or with the addition of a 500w resistor, a 4 to 20 ma control input from an electronic controller or positioner. Manually move the damper to the failsafe position usually closed. Belimo nfb24srs, factory warranty, in stock, free shipping, email. The manual override will only work if no power is available to the actuator. If the shaft rotated clockwise, this is a cw installation. Nfb24sr, belimo nfb24sr, damper actuator, spring, 90in.
Belimo nfb24sr spring return damper actuator, 24vacdc, 90 inlb, 210vdc 420ma proportional control signal, belimo tfb, belimo lf, belimo nfb, belimo afb, and belimo efb series directcoupled air damper actuators provide control of dampers and valves for spring return applications. Manual override 5 mm hex crank 316 allen, supplied. Lf120s us failsafe actuators actuators belimo canada. Check damper position easily with clear position indicator. Spring return valve actuator, linkage mount, 24vacdc, 90 inlb, 210vdc 420ma proportional control signal, manual override should be released so the actuator can go to the full failsafe position. Belimo nfb24sr actuator spring return proportional 2 to 10 vdc or 4 to 20 ma control signal. The nf24srs series actuators provide true spring return operation for. Brushless dc motor for added accuracy and controllability. Nfb24srs failsafe actuators actuators belimo canada. The nf series actuators provide true spring return operation for reliable failsafe application and positive close off on air tight dampers. Belimo nfb24 sr s, factory warranty, in stock, free shipping, email. Designed for fail safe, modulating damper control in hvac systems, this belimo spring return damper actuator 24vacdc provides true spring return operation for reliable failsafe application and positive closeoff on air tight dampers. Nfb24srs, belimo nfb24srs, damper actuator, spring, 90in.
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