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Part Number 461337 

OFSD-XXX, ODFD-XXX,  

OFD-XXX, and OSSFD-XXX Series

11/2 Hour Combination Fire Smoke or Curtain Fire Dampers 

Out of Wall or Out of Floor 

Vertical or Horizontal Mount 

Installation, Operation, and Maintenance Instructions

OFSD-XXX, ODFD-XXX, OFD-XXX, and OSSFD-
XXX series dampers are intended for installation in 
accordance with combination fire smoke dampers 
requirements established by: 

NFPA National Fire Protection Association

 

 

NFPA Standards 80, 90A, 92A, 92B, 101, & 105 

IBC International Building Codes

 

BOCA National Building Codes 
ICBO Uniform Building Codes 
SBCCI Standard Building Codes

 

New York City

 (MEA listing # 260-91-M) 

California State Fire Marshal 

 

 

Listing #3225-0981:103 & 3230-0981:104

“UL Classified (see complete marking on product)” 
“UL Classified to Canadian safety standards (see 
complete marking on product)”

 

 

UL Standard 555 & 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).

Warranty

Greenheck warrants this equipment to be free from 
defects in material and workmanship for a period of one 
year from the purchase 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. 

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.

Electrical Guidelines

All wiring shall be done in accordance with the National 
Electrical Code ANSI/NFPA-70 latest edition, any local 
codes that may apply, and wiring diagrams developed 
in compliance with the job or project design and 
specifications. 

Due to continuing research, Greenheck reserves the right to change specifications without notice.

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.

Safety Caution!

Electrical input may be needed for this equipment. This 
work should be performed by a qualified electrician. 
Verify power before wiring actuator. Greenheck is not 
responsible for any damage to, or failure of the unit 
caused by incorrect field wiring. To avoid causing death 
or serious bodily harm to building occupants, follow all 
instructions carefully. Dampers must close completely to 
preserve the integrity of the fire smoke separation.

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