Greenheck FSD Series Installation, Operation And Maintenance Manual Download Page 1

Steps to install an TOR in a Fire Smoke Damper:

1.  Use a hole saw to drill a 3

5

8

 in. (92 mm) diameter hole in sleeve (see 

Detail 2

). See chart on page 2 for location of 

hole.

2)   Attach indicator bracket to blade. For an airfoil blade dampers, use 

existing holes in blade (

Detail 1-A

). For a 3V blade damper, drill two 

0.166 in. (4 mm) holes (

Detail 1-B

). Fasten bracket to blade with #10 x 

½ in. (13 mm) TEK screws (or equivalent).

3) Fit indicator link into blade bracket (

Detail 1-C

).

4)  Insert TOR unit through hole in sleeve (round end inside). 

5)  Place 4 in. x 4 in. J-box over the flange of the TOR unit and align holes.

6)  Mount control box to sleeve/sideplate with  

#10-16 x 3/4 in. (19 mm) TEK screw or equivalent (

Detail 1-D

).

7)  Place one pushnut on the switch wire. Place indicator link on switch 

wire and secure with a second pushnut (

Detail 1-D

).

8) Complete wiring and install J-box cover.

®

TOR IOM

1

®

Document 471837 

TOR (Temperature Limited Override) on 

FSD, SEFSD, and SSFSD series

Installation, Operation and Maintenance Manual

Please read and save these instructions for future reference. Read carefully before attempting to assemble, install, 
operate or maintain the product described. Protect yourself and others by observing all safety information. Failure 
to comply with these instructions will result in voiding of the product warranty and may result in personal injury 
and/or property damage.

Reviews: