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Greenheck FSD-311 - User Manual

Greenheck FSD-311
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®
Multi-Blade Fire and Combination Fire Smoke Dampers 1
®
Document 481318
Mult-Blade Fire and Combination
Fire Smoke Damper
DFD-xxx, DFDAF-xxx, FSD-xxx, FSD-xxxV, SEDFD-xxx,
SEFSD-xxx and SSFSD-xxx
1
1
⁄2 and 3 Hour Fire and Combination Fire Smoke Dampers
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.
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.
These instructions apply to 1
1
⁄2 and 3 hour rated
fire and combination fire smoke dampers mounted
in: 1) masonry, block, or stud walls and 2) concrete
floors. 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.
Note: Combination fire smoke and fire dampers
are manufactured and labeled for either vertical or
horizontal installation. The dampers must be installed in
accordance with labeling.
Table of Contents
General Information . . . . . . . . . . . . . . . . . . 2
Electrical Guidelines . . . . . . . . . . . . . . . . . . 2
Pre-Installation Guidelines . . . . . . . . . . . . . . . 2
Preparation of Openings . . . . . . . . . . . . . . . . 3
Clearances Required Between Damper Sleeves & Wall/
Floor Openings. . . . . . . . . . . . . . . . . . . . . 4
Installing Multiple Section Damper Assemblies . . . . 4
Multiple Section Damper Wiring . . . . . . . . . . . . 5
Maximum Assembly Tables . . . . . . . . . . . . . . 5
Inserting Damper into Wall/Floor Openings . . . . . . 6
Securing the Damper/Sleeve Assembly to Wall/Floor
Openings . . . . . . . . . . . . . . . . . . . . . . . . 6
Duct to Sleeve Connection . . . . . . . . . . . . . . 8
Actuator and Temperature Response Device
Connections . . . . . . . . . . . . . . . . . . . . . .11
Damper Commissioning and Periodic Testing. . . . .12
Damper Maintenance . . . . . . . . . . . . . . . . .12
Damper Troubleshooting. . . . . . . . . . . . . . . .12

Table of Contents

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Questions and Answers

  • C
    Chelsea OliverAug 7, 2025
    What to do if my Greenheck Fire and Smoke Dampers do not fully open or close?
    • K
      Kayla VargasAug 7, 2025
      If your Greenheck Fire and Smoke Dampers aren't fully opening or closing, several issues could be the cause. First, the frame may be ‘racked,’ causing the blades to bind. In this case, adjust the frame to be square and plumb. Another potential cause is a loose actuator linkage; if so, close the damper, disconnect the power, and then adjust and tighten the linkage. A defective motor could also be the culprit, requiring replacement. Screws in the damper linkage should be located and removed. If the actuator linkage is hitting a wall or floor, the damper is installed too far into the wall and needs to be moved out to the designated line on the damper label. Finally, contaminants on the damper can impede movement; clean them off using a non-oil-based solvent.
  • K
    Kayla CainAug 12, 2025
    How to fix Greenheck FSD-311 Fire and Smoke Dampers that don't fully open or close?
    • M
      Michael JonesAug 12, 2025
      If your Greenheck Fire and Smoke Damper doesn't fully open or close, several factors could be at play. First, the frame might be 'racked,' causing the blades to bind. In this case, adjust the frame to ensure it's square and plumb. Another potential cause is a loose actuator linkage; to resolve this, close the damper, disconnect the power, and then adjust and tighten the linkage. A defective motor could also be the culprit, requiring replacement. If screws are present in the damper linkage, it may be installed too far into the wall; move it out to the designated line on the damper label. Finally, contaminants on the damper can impede its function; clean it with a non-oil-based solvent.
  • L
    Lori OliverAug 17, 2025
    Why doesn't my Greenheck Fan damper fully open or close?
    • D
      djacksonAug 17, 2025
      There are several reasons why your Greenheck Fan damper might not fully open or close: * The frame may be 'racked,' causing the blades to bind. To fix this, adjust the frame to ensure it is square and plumb. * The actuator linkage could be loose. In this case, close the damper, disconnect the power, and then adjust and tighten the linkage. * The motor might be defective, requiring a replacement. * Screws in damper linkage. Then move out to line as designated on damper label. * Contaminants may be present on the damper. Clean it with a non-oil based solvent. (see Damper Maintenance)
  • W
    williamschristopherAug 22, 2025
    How to reset a tripped RRL or TOR sensor on a Greenheck Fan?
    • M
      Michelle SchneiderAug 22, 2025
      If the RRL or TOR sensor on your Greenheck Fan has tripped due to heat, push the reset button located on the backside of the RRL or TOR.
  • R
    Reginald WilsonAug 27, 2025
    What to do if the RRL or TOR sensor tripped on Greenheck FSD-311 Fire and Smoke Dampers?
    • R
      Russell RichardsAug 27, 2025
      If the RRL or TOR sensor on your Greenheck Fire and Smoke Dampers has tripped due to heat, push the reset button located on the backside of the RRL or TOR.
  • G
    George JimenezSep 1, 2025
    Why is the RRL or TOR sensor tripped on my Greenheck FSD-311?
    • M
      Michelle EscobarSep 1, 2025
      If the RRL or TOR sensor has tripped in your Greenheck Fire and Smoke Damper, it's likely due to heat. To fix this, push the reset button located on the backside of the RRL or TOR.

Summary

Receiving and Handling

Safety Warnings

Pre-Installation Guidelines

Preparation of Openings

Clearances Required Between Damper Sleeves & Wall;Floor Openings

Installing Multiple Section Damper Assemblies

Multiple Section Damper Wiring

Inserting Damper into Wall;Floor Openings

Securing the Damper;Sleeve Assembly to Wall;Floor Openings

Retaining Angle Attachment to Sleeve

Retaining Angle Attachment to Wall;Floor

Duct to Sleeve Connection

Approved Breakaway Connections

Manufactured Flanged System Breakaway Connections

Proprietary Flange System Breakaway Connections

Actuator and Temperature Response Device Connections

RRL Wiring

Resettable Link (RRL) wiring for thermostat-controlled closure.

OCI Wiring

RRL;OCI Wiring

TOR Wiring

Damper Commissioning and Periodic Testing

Damper Maintenance

Damper Troubleshooting

Greenheck FSD-311 Specifications

General IconGeneral
BrandGreenheck
ModelFSD-311
CategoryFire and Smoke Dampers
LanguageEnglish

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