Greenheck Multi-blade Fire & Combination Fire Smoke Dampers Installation Booklet (826249) - Manual (Page 20)

Figure 2 cont...
Type A- Vertical Mount, Thru Duct with Two
Retaining Angles
Type A- Vertical Mount, Thru Duct with
Single Retaining Angle
Type A - Horizontal Mount Above Floor/Wall,
Thru Duct with Two Retaining Angles
Type A - Horizontal Mount Above Floor/Wall,
Thru Duct with Single Retaining Angle
Type A - Horizontal Mount Below Floor/Wall, Thru
Duct with Two Retaining Angles
Type A - Horizontal Mount Below Floor/Wall, Thru
Duct with Single Retaining Angle
Retaining
Angle
Retaining
Angle
7 1/2 in. (191mm)
max.
Factory Supplied
Thermal Blanket
Damper
Masonry or
Concrete Wall
Metal
Stud
Wood
Stud
Masonry or
Concrete
Floor
7 1/2 in. (191mm)
max.
Retaining
Angle
Factory Supplied
Thermal Blanket
Damper
Retaining
Angle
7 1/2 in. (191mm)
max.
Retaining
Angle
Retaining
Angle
Factory Supplied
Thermal Blanket
Masonry or
Concrete
Floor
Damper
Concrete or
Masonry Wall
Wood Stud
7 1/2 in. (191mm)
maximum
Factory Supplied
Thermal Blanket
Retaining
Angle
Alternate Retaining
Angle Location
Damper
7 1/2 in. (191mm)
maximum
Factory Supplied
Thermal Blanket
Retaining
Angle
Concrete or
Masonry
Floor
Damper
7 1/2 in. (191mm)
maximum Factory Supplied
Thermal Blanket
Retaining
Angle
Concrete or
Masonry Floor
20