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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

Содержание DFDR Series

Страница 1: ...eiving 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 Ch...

Страница 2: ...terials include but are not limited to a Mortar dust b Drywall dust c Firesafing materials d Wall texture e Paint overspray 7 Damper should be sufficiently covered as to prevent overspray if wall text...

Страница 3: ...rs must meet the requirements of the appropriate wall design See UL Fire Resistance Directory and or local codes Figure 1 12 in 24 in o c Maximum Floor Runner 2 in Ceiling Runner 2 Panhead Screws 24 i...

Страница 4: ...assembly to allow for this expansion The wall floor opening must be a minimum of 7 8 in 22mm larger than the outside diameter of the damper Clearances Required Between Damper Sleeves and Wall Floor O...

Страница 5: ...ITION INDICATOR AND OR ELECTRIC LINK DUCT CONNECTION AREA 2 00 IN 1 50 IN Optional Second Retaining Plate Do not place retainer plate in this groove Figure 5 FSDR SEFSDR SSFSDR Inserting Damper into W...

Страница 6: ...p for easy installation when the clamping screw is loosened If necessary remove the clamping screw and nut see Figure 7 Position the retaining plate between the blade axle and the actuator shaft as sh...

Страница 7: ...ensor with the lower temperature setting can be bypassed by an external contact closure allowing the damper to reopen until the secondary temperature is reached the sensor with the higher temperature...

Страница 8: ...he latest editions of NFPA 80 90A 92 101 105 UL864 AMCA 503 03 and local codes Actuator manufacturer recommendations Damper Troubleshooting The following is a possible cause and correction list for co...

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