Install Instructions

Ceilin
Information is subject to change without notice or obligation. M-54302 REV. C
Notes: Dimensions denoted by ( ) are in millimeters.
Ceiling Radiation Damper
SIG-CRD
Combustible Ceiling Installation Instructions
4. For a damper used with a fan equipped with a grille light, route the wire from the grille
through the notch on the damper frame. Use the supplied bracket to secure the wire to the
damper frame. Attach the bracket to the frame as seen in FIG. 3 using one of the supplied
#8-18 screws.
5. If fan is not equipped with a lighted grille this bracket is to be installed as seen in FIG.2.
Ensure that the bracket covers the notch in the frame.
6. Install the fan Suspension Brackets on the fan/damper assembly.
7. Position the fan/damper assembly in the ceiling construction so that the fan Suspension
Brackets mount flush with the fan support 2x4’s installed in step 3. Drive in the 6D nails at
the ends of the fan Suspension Brackets into the 2x4’s to secure the assembly in the ceiling.
8. Secure the supplied support angles to the damper frame using the pre drilled holes in the
frame using the supplied # 8 x ¼” long screws.
9. After the gypsum ceiling has been installed make sure it is resting on the support angle that
is installed on the damper frame on step 6.
10. Install the fan’s grille according to the standard fan installation documents.
Installation is valid for the following UL rated wood truss ceilings: L521, L546, L558, L562,
L574, L576, L581, L583, L585, P522, P533, P538, and P545.