Carnes EAHA User Manual

Fire, Smoke & Ceiling Radiation Dampers

Fire Dampers

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Model EAHA - Type A Fire Damper, Single Crimped (3V) Blade
w/Integral Sleeve

UL 555 Classified 1-1/2 Hours, For Use in Static Systems

t Application and Design

The Model EAHA is UL Classified for installation in walls,
floors and partitions with a fire rating of less than 3
hours. This damper may be installed vertically or
horizontally in static systems that automatically shut
down in the event of fire.

Standard Construction:

Frame: roll formed frame, galv. steel, integral sleeve
Blades: 16 ga. galvanized steel
Axles: 3/8” square plated steel
Linkage: jackshaft to blade
Bearings: bronze oilite press-fit into frame
Closure Spring: stainless steel
Fusible Link - UL-33: UL listed 165°F (standard),

212°F (optional)

Model EAHA meets or complies with the following as a fire damper:
All major building codes, including IBC/ICC International Code
UL 555 Listing 1-1/2 hour - File #R25410
ULC S112
NFPA 90A, 80

Note: Dampers are furnished approx. 1/8” smaller than given duct
dimensions.

Options:

 Retaining Angles

 One Side
 Both Sides

 Mounting

 Horizontal
 Vertical

16”

(406mm)

High Free Area / Low Pressure Drop

Standard Sizes (duct) 1-1/2 Hour

Min. Size Max. Size

8”W x 8”H

203mm x 203mm

16”W x 16”H

406mm x 406mm