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ROUND METAL DUCTWORK
1. Crimp the end of the branch duct.
2. Slip the end of the zone damper over the ductwork end. Use
a self- -tapping sheet metal screw to secure.
3. Properly seal the joint using duct tape, mastic, or other ap-
proved method. Do not allow mastic to come in contact
with the actuator.
4. If dampers are applied in an unconditioned space, insulate
them using 1- -1/2 inch to 2 inch insulation (See Fig. 2).
Fig. 2 - - Insulated Round Metal Duct Work
RECTANGULAR DUCTWORK
1. Make connections using S- -lock and drives (See Fig. 3).
2. Properly seal the joint using duct tape, mastic, or other ap-
proved method. Do not allow mastic to come in contact
with the actuator.
3. If dampers are applied in an unconditioned space, insulate
them using 1- -1/2 inch to 2 inch insulation (See Fig. 4).
SUPPLY
AIR DUCT
Fig. 3 - - Rectangular Metal Ductwork
1 2
1 / " TO 2"
INSULATION
Fig. 4 - - Insulated Rectangular Metal Ductwork
/ ≤ STEEL STRAP
1
2
A95130
S-LOCK
DRIVE
ZONE
DAMPER
A92478
A95131
ROUND FLEXIBLE DUCTWORK
1. Slip one end of the flexible ductwork over the zone damper
end (See Fig. 5).
2. Secure flexible duct to the zone damper using SMACNA or
other approved method.
3. Properly seal the joint using duct tape, mastic, or other ap-
proved method. Do not allow mastic to come in contact
with the actuator.
4. If dampers are applied in an unconditioned space, insulate
them using 1- -1/2 inch to 2 inch insulation (See Fig. 6).
FLEXIBLE
DUCT
Fig. 5 - - Round Flexible Ductwork
Fig. 6 - - Insulated Round Flexible Ductwork
RECTANGULAR FIBROUS GLASS DUCTWORK
1. Insert one end of the zone damper into the fibrous glass
ductwork end approximately 2 to 3 inches (See Fig. 7).
2. Use the field supplied screws to secure the duct board to the
zone damper.
3. Properly seal the joint using duct tape, mastic, or other ap-
proved method. Do not allow mastic to come in contact
with the actuator.
4. If dampers are applied in an unconditioned space, insulate
them using 1- -1/2 inch to 2 inch insulation (See Fig. 8).
FIBROUS
GLASS
DUCTWORK
2≤ TO 3≤
Fig. 7 - - Rectangular Fibrous Glass Ductwork
Fig. 8 - - Insulated Rectangular Fibrous Glass Ductwork
4
ZONE
DAMPER
A95132
/ ≤ STEEL STRAP
1 2
A95133
FIELD
SUPPLIED
SCREWS
ZONE
DAMPER
A92480
1 / ≤ TO 2≤
1 2
INSULATION
A95134
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