Round Fire and Combination Fire Smoke Dampers
1
Document 483515
Fire and Combination Fire Smoke Dampers
DFDR-XXX, FDR-XXX, FSDR-XXX, SEDFDR-XXX,
SEFSDR-XXX, SSDFDR-XXX, SSFDR-XXX,
SSFSDR-XXX Series
1
1
⁄
2
Hour
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.
These instructions apply to 1
1
⁄
2
hour rated fire and
combination fire smoke dampers mounted in: 1)
masonry, block, or stud walls and 2) concrete floors or
ceilings. Specific requirements in these instructions are
mandatory. Dampers must be installed in accordance
with these instructions to meet the requirements of
UL 555 and/or UL 555S.
Receiving and Handling
Upon receiving dampers, check for both obvious
and hidden damage. If damage is found, record all
necessary information on the bill of lading and file
a claim with the final carrier. Check to be sure that
all parts of the shipment, including accessories, are
accounted for.
Dampers must be kept dry and clean. Indoor storage
and protection from dirt, dust, and the weather is
highly recommended. Do not store at temperatures in
excess of 100°F (38°C).
SAFETY WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, injury
or death. Read the installation, operating, and
maintenance instructions thoroughly before installing
or servicing this equipment.
Table of Contents
General Information . . . . . . . . . . . . . . . . . . 2
Electrical Guidelines . . . . . . . . . . . . . . . . . . 2
Pre-Installation Guidelines . . . . . . . . . . . . . . . 2
Preparation of Openings . . . . . . . . . . . . . . . . 3
Clearances Required Between Damper Sleeves and
Wall/Floor Openings . . . . . . . . . . . . . . . . . . 4
Inserting Damper into Wall/Floor Openings . . . . . . 5
Securing the Damper/Sleeve Assembly to Wall and
Floor Openings. . . . . . . . . . . . . . . . . . . . . 6
Duct to Sleeve Connections . . . . . . . . . . . . . . 6
Actuator and Temperature Response Device
Connections . . . . . . . . . . . . . . . . . . . . . . 6
Blade Orientation . . . . . . . . . . . . . . . . . . . 8
Damper Maintenance . . . . . . . . . . . . . . . . . 8
Damper Troubleshooting. . . . . . . . . . . . . . . . 8
