Greenheck SMD, SMDR, SSSMD User Manual
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Document Number 461338
®
SMD-XXX, SMD-XXXV, SESMD-XXX,
SSSMD-XXX,SMDRXXX, SESMDR-XXX,
AND SSSMDR-XXX MODELS
Leakage Rated Smoke Dampers
Vertical or Horizontal Mount
Installation, Operation and Maintenance Instructions
These instructions apply to the installation of SMD-XXX, SESMD-XXX SSSMD-XXX, SMDR-XXX, SESMDR-XXX and
SSSMDR-XXX series leakage rated smoke dampers supplied with factory installed damper actuators. Specific requirements
in these instructions are mandatory. These instructions meet the requirements of UL 555S and UL classification R13317.
SMD-XXX, SESMD-XXX, SSSMD-XXX, SMDR-XXX,
SESMDR-XXX, and SSSMDR-XXX Model Dampers are
intended for installation in accordance with smoke damper
requirements established by:
National Fire Protection Association
NFPA Standards 92A, 92B, & 105
IBC International Building Codes
New York City (MEA listing #260-91-M)
Typical Actuato
OCI Blade Indicator
(optional)
California State Fire Marshal (Listing #3230-0981:104)
“UL CLASSIFIED (see complete marking on product)”
“UL CLASSIFIED to Canadian safety standards (see
complete marking on product)”
UL Standard 555S (Classification #R13317)
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.
This manual is the property of the owner, and is required
for future maintenance. Please leave it with the owner
when the job is complete.
Due to continuing research, Greenheck reserves the right to change specifications without notice.
Refer to the appropriate Greenheck installation
supplements for special requirements:
• Smoke Detector Supplement (463813)
• No Flow Duct Smoke Detector (465915)
• Drive Slip Breakaway Supplement (468769)
• Quick Connect Breakaway Supplement
• Open or Close Indicator Supplement (459656)
• Double Flange Mounted Supplement (472664)
Greenheck warrants this equipment to be free from
defects in material and workmanship for a period of one
year from the shipment date. Any units or parts which
prove to be defective during the warranty period will be
repaired or replaced at our option. Greenheck shall not
be liable for damages resulting from misapplication or
misuse of its products. Greenheck will not be responsible
for any installation or removal costs. Greenheck will not
be responsible for any service work or backcharges
without prior written authorization.
Installation Supplements
(468502)
Warranty
Table of Contents
24 in.
Ductwork
Duct Outlet
Smoke
Barrier
Sealant
Damper
Sealant
Pre-Installation Guidelines .............................................................................................................................................2
Installation .....................................................................................................................................................................3
• Smoke Damper Requirements ....................................................................................................................................3
• Location of Damper in Ductwork ..............................................................................................................................3
• Attaching Damper to the Duct ...................................................................................................................................3
• Installing Multiple Damper Section Assemblies .......................................................................................................3
• Sealing the Installation ................................................................................................................................................3
• Actuator Connections .................................................................................................................................................3
• Connection and Operation of Open/Close Indicator .................................................................................................3
SMDR-XXX and SSSMDR Blade Orientation................................................................................................................4
Maintenance ...................................................................................................................................................................4
Troubleshooting ..............................................................................................................................................................4
Pre-Installation Guidelines
The basic intent of a proper installation is to secure the smoke damper in, not to, the opening or duct in such a manner as
to prevent distortion and disruption of damper operation. The following items will aid in completing the damper installation
in a timely and effective manner.
1) Lift or handle damper using sleeve or frame. Do not lift damper using blades or actuators.
2) Damper (rectangular) has label on outside of sleeve indicating a ‘No Screw’ area. Do not install screws into this
area as screws may interfere with unexposed blade linkage and prevent damper blades from opening and/or
closing.
3) Damper must be installed into duct or opening square (round) and free of twist or other misalignment. Damper
must not be squeezed or stretched into duct or opening. Out of square, out of round, racked, twisted or
misaligned installations can cause excessive leakage and/or torque requirements to exceed damper/actuator
design.
4) Damper and actuator must be kept clean and protected from dirt, dust and other foreign materials prior to and
after installation. Examples of such foreign materials include but are not limited to:
a) Mortar dust
b) Drywall dust
c) Firesafing materials
d) Wall texture
e) Paint overspray
5) Damper should be sufficiently covered as to prevent overspray if wall texturing or spray painting will be
performed within 5 feet of the damper. Excessive dirt or foreign material deposits on damper can cause
excessive leakage and/or torque requirements to exceed damper/actuator design.
6) Caulking is not necessary, however, may be applied to optional retaining angles.
7) The Code Authority Having Jurisdiction (AHJ) must evaluate and provide approval of final installation where
variations to these instructions are necessary.
Installation - Failure to follow these instructions will void all warranties.
1. SMOKE DAMPER REQUIREMENTS
Smoke dampers are required to close and prevent the
passage of air and smoke through ducts or ventilation
openings in smoke barriers. Smoke dampers are also
applied in engineered smoke control systems to establish
air pressure differentials and thereby prevent the spread of
smoke.
2. LOCATION OF DAMPER IN DUCTWORK
Place the damper assembly in its proper position relative
to the barrier as shown (in Figure 1). The plane of the
closed damper blades must be within 24 in. (610mm) of
the rated smoke barrier and before any duct inlets or
outlets.
2
Fig. 1
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