Belimo FS Series Replacement Download

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Replacement of Old Gear Train Motors with Belimo FSxx Series

See

www.belimo.us/firesmoke

Retrofits

for more replacement instructions.

Contents

................................................................................................................... 2

Contacts:

Chris Sheehan 203 749-3112 Larry Felker 775 355-2461 (775 250-4160 Cell)
Mike Knipple 203 749-3170

Laure Pomianowski 775 355-2466

800 543-9038

WARNING!

Installer must be trained and experienced with repair

of fire and smoke dampers and actuators.

WARNING!

Before replacing actuator, damper must be inspected and

determined to be fully functional. See NFPA 80 &/or NFPA 105 for

recommended check list.

Gear Train Motors and Linkages - Replacements with Belimo March 2018

Summary of Contents for FS Series

Page 1: ...nting 17 FSTF linkage kit mounting 18 Direct Coupling 19 Wiring 23 Contacts Chris Sheehan 203 749 3112 Larry Felker 775 355 2461 775 250 4160 Cell Mike Knipple 203 749 3170 Laure Pomianowski 775 355 2466 800 543 9038 WARNING Installer must be trained and experienced with repair of fire and smoke dampers and actuators WARNING Before replacing actuator damper must be inspected and determined to be f...

Page 2: ...Having Jurisdiction local Fire Marshal and or Building Official must be consulted if any blade or auxiliary switches are employed and are connected to the fire alarm system or to a Fire Fighters Smoke Control System FSCS panel Retesting is required A permit and inspection may be required since connections to an alarm system have been touched In the Marking Application Guide Dampers for Fire Barrie...

Page 3: ... a fusible link the link shall be removed for testing to ensure full closure and lock in place if so equipped If the link is damaged or painted it shall be replaced with a link of the same size temperature and load rating e The fusible link shall be reinstalled after testing is complete After installation and wiring of new actuator it shall be tested a The checklist may be customized using materia...

Page 4: ...orque than the failed actuator Voltage replacement actuator shall have the same voltage rating as the original Amperage the replacement actuator s shall not draw more amperage than the original s and cause the total connected amp draw on a circuit breaker to be greater than allowed by electrical code Final Testing actuated damper and associated devices shall be tested for proper operation See Acce...

Page 5: ... FSTF 1 5 sq ft FSLF 4 sq ft 3 FSNF 12 sq ft FSAF A 18 sq ft 4 For Pottorff with shaft spring see https www belimo us mam americas technical_documents pdf web fire_and_smoke_doc pottorff ma2xx_to_belimo pdf 5 Motor was not 90 degree and pulley and cable were usually used Some geometric changes are necessary to simplify 6 Provide photos Motor linkage blades fusible link McCabe Link Typically direct...

Page 6: ...0 US ML4202F1000 120VAC On Off 20 FSLF120 US ML4302F1008 120 VAC On Off 20 FSLF120 US ML8105A1006 24 VAC On Off 30 FSLF24 US ML8105B1005 24 VAC On Off 30 FSLF24 US ML8115A1005 24 VAC On Off 30 FSLF24 US ML8115A1013 24 VAC On Off 30 FSLF24 US ML8115B1004 24 VAC On Off 30 FSLF24 US ML8115B1012 24 VAC On Off 30 FSLF24 US ML8115H 24 VAC On Off 30 FSLF24 US ML8115J 24 VAC On Off 30 FSLF24 US ML8202 24 ...

Page 7: ...SAF230A S20230 F SW2 230 VAC On Off 175 2 FSAF230A S S2024 F 24 VAC On Off 175 FSAF24A S2024 F SW2 24 VAC On Off 175 2 FSAF24A S SPH2 Aux Switch 32003532 002 Aux Switch Use FSNF series if damper is 4 sq ft Use S model of proper voltage Nominal sq ft per UL555S testing Temp Actuator 4 350 F FSLF 36 w x 24 h also 12 350 F FSNF Multisections also 16 250 F FSNF Multisections also 18 350 F FSAF A Multi...

Page 8: ...ed ASK79 350 350 F 177 C None Call if needed Optional Two Auxiliary Switches Fixed 5 and 85 For more manufacturer specific instructions see Retrofit or Documentation Tabs in middle of page https www belimo us firesmoke Belimo linkage kits https www belimo com pim mam americas technical_documents d ata_sheets man air acc Mechanical_Accessories pdf Mounting Methods Guide https www belimo us mam amer...

Page 9: ...straightforward replacements In this case the Belimo FSNF or FSAF may be direct coupled The shaft spring should be examined and exercised to prove it is still operational The fusible link cannot be seen however it should release the shaft spring Gear Train Motors and Linkages Replacements with Belimo March 2018 9 ...

Page 10: ...ed linkages due to space constraints or accessibility ZG AF US kit This contains parts for several different ways to linkage the FSAF and FSNF series of actuators Gear Train Motors and Linkages Replacements with Belimo March 2018 10 ...

Page 11: ...hod for the geometric arrangement WARNING USE CAUTION Springs are under high torsion and may cause serious injury If any external springs are present exercise caution wear face and hand protection Gear Train Motors and Linkages Replacements with Belimo March 2018 11 ...

Page 12: ...d The lower right picture is of an FSTF with ZG TF112 This actuator is not generally used for retrofits as it is only 18 in lb of torque but in special circumstances it is quite useful MA418 that was formerly linkaged now direct coupled These are very easy to replace Simply remove the old motor and linkages Then mount Belimo FSNF over shaft Do not remove any bearings Gear Train Motors and Linkages...

Page 13: ...ast speed and high torque loads will damage gears if actuators are cycled more than once a day YES Mounting FSNFs on the ends of the same jackshaft is preferred Alternately the jackshaft can be cut and the one actuator one damper section approach taken Example of linkage that can be replaced by direct coupling The motor to the right can be replaced by direct coupling over the shaft Use of linkages...

Page 14: ...as technical_documents d ata_sheets man air acc Mechanical_Accessories pdf Mounting Methods Guide https www belimo us mam americ as technical_documents pdf web guides mounting_methods pdf Gear Train Motors and Linkages Replacements with Belimo March 2018 14 ...

Page 15: ...Gear Train Motors and Linkages Replacements with Belimo March 2018 15 ...

Page 16: ...es a kit with a shaft adaptor hold down and Belimo FSLF120 actuator Fusible rods are no longer available from Ruskin Where springs are defective ball joints rod and a BAE 165 or Ruskin EFL are necessary Rewiring is necessary Gear Train Motors and Linkages Replacements with Belimo March 2018 16 ...

Page 17: ... is likely that all the actuator and linkage parts will need to be assembled as much as possible and then installed as an assembly Possible alternate arrangements for damper clip FSNF FSAF actuators shown Gear Train Motors and Linkages Replacements with Belimo March 2018 17 ...

Page 18: ...rank Arm Adaptor Kit includes 1 Mounting Bracket 1 KH TF 1 Crank Arm with Retaining Clip 3 Bolts with Nuts Ball joints and 5 16 Rod not included It is assumed that the bracket here will be installed on an existing sleeve or the Prefco mounting plate shown in the full damper pictures below Belimo brackets and parts are shown in our Mechanical Accessories Guide https www belimo com pim mam americas ...

Page 19: ...rotation strap stud allows the actuator to move if shaft is not perfectly concentric Rigid mounting by jamming the stud into the U slot of actuator is NOT usually best FSLF mounted on the damper shaft Two sheet metal screws hold the anti rotation strap Two nuts secure cold weld clamp onto shaft Gear Train Motors and Linkages Replacements with Belimo March 2018 19 ...

Page 20: ...ween the actuator and the damper See Belimo s Mounting Methods Guide for a description of the mathematics As long as it is mechanically solid the anti rotation strap may be bent to fit height FSNF mounted on the damper shaft Two screws hold the anti rotation strap Two nuts secure cold weld clamp onto shaft FSAF mounts the same Side view Gear Train Motors and Linkages Replacements with Belimo March...

Page 21: ...ric shaft motion to be taken up by mounting stud in middle of U slot Figure 1 Figure 2 Figure 3 Anti rotation strap 11695LF P The heavier duty 11414 AF P may be ordered when needed Bend strap at perforations to adjust for necessary height Note how the pin of the anti rotation strap is mounted in middle of actuator U slot Gear Train Motors and Linkages Replacements with Belimo March 2018 21 ...

Page 22: ...the ability of the duct to fall from the damper The damper must continue to protect the wall See Belimo Mounting Methods Guide for more mounting drawings WARNING Actuator anti rotation strap may not be screwed to the duct It must attach to either the sleeve or to the mounting bracket The duct must be able to fall away from the damper in case of ceiling collapse in a fire WARNING Read entire actuat...

Page 23: ...ng necessary for a UL555S damper and actuator Use it as a basis for any of the other wiring schematics Note that the alarm connections are not touched when replacing an actuator This is a major concern for Fire Marshals Where a wiring compartment is needed for junctions a 2 x 4 box can be attached with a chase nipple Belimo Mechanical FSLF FSNF strap threaded connector Chase nipple 2x 4 box and bl...

Page 24: ...elay contacts TYPICAL REOPENABLE DAMPER with FSCS In some cases the gear train motor was installed for smoke only functions The fire closing was achieved using fusible links There is no electric sensor in the damper in that case as there is typically a shaft spring performing the fire function Wiring is shown below HOT 120or 24VAC Smoke Detector or Relay from area smoke detection system BELIMO FSx...

Page 25: ...ctor or relay contacts Actuator springs damper closed b Reconnect power Actuator drives damper open c Trip thermal sensor Actuator springs damper fully closed d Press manual reset Actuator drives damper open Test FSCS switch functions a Move FSCS switch to Off position Actuator springs damper fully closed b Move FSCS switch to Hand position Actuator drives damper open c Trip secondary higher tempe...

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