Direct Coupling
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
Mounting
The Belimo Anti-rotation strap
may be attached to the HW
bracket or to the sleeve. Duct
must be able to fall away; do not
attach so that this is prevented. A
4” x 4” or larger electrical plate will
serve as an anti-rotation mounting
plate if old actuator is hung over
free air.
See Belimo Mounting Methods
Guide
Anti-rotation strap
can be attached to
bracket, 4 x 4
plate, or sheet
metal bracket.
WARNING!
USE CAUTION!
Spring is under high torsion and may cause serious injury! If any external
springs are present, exercise caution – wear face and hand protection
.
Safe-Air Honeywell ML & MS Motors with Belimo FSNF120 Series March 2018
11