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Delta breez VFB25AC Installation And Operating Instructions Manual page 3

Ventilation system

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3. Type II – 16 inches between joists
Fig. D-02
Suspension
Bracket III
Suspension
Bracket I
Fig. E-02
Joist
3-1. Insert the suspension bracket into the bracket cover of adaptor
side and the back of the fan body.
3-2. Insert the fan between joists. Make sure the fan body is level
and perpendicular with the joist.
3-3. Ensure the distance between ceiling and fan body for the
thickness of grille.
3-4. Secure the suspension bracket to joists by using screw.
3-5. Secure the suspension bracket to fan body by using screw.
3-6. Follow step 6 to 9 of installation to complete the installation work.
4. Type III – 19.2 inches between joists
Fig. D-03
Suspension
Bracket III
Suspension
Bracket I
Fig. E-03
Joist
4-1. Insert the suspension bracket into the bracket cover of adaptor
side and the back of the fan body.
4-2. Insert the fan between joists. Make sure the fan body is level
and perpendicular with the joist.
4-3. Ensure the distance between ceiling and fan body for the
thickness of grille.
4-4. Secure the suspension bracket to joists by using screw.
4-5. Secure the suspension bracket to fan body by using screw.
4-6. Follow step 6 to 9 of installation to complete the installation work.
Suspension
Bracket II
Body
Joist
Suspension
Bracket II
Body
Joist
5. Type IV – 24 inches between joists
Fig. D-04
Suspension
Bracket III
Suspension
Bracket I
Fig. E-04
Joist
5-1. Insert the suspension bracket into the bracket cover of adaptor
side and the back of the fan body.
5-2. Insert the fan between joists. Make sure the fan body is level
and perpendicular with the joist.
5-3. Ensure the distance between ceiling and fan body for the
thickness of grille.
5-4. Secure the suspension bracket to joists by using screw.
5-5. Secure the suspension bracket to fan body by using screw.
5-6. Follow step 6 to 9 of installation to complete the installation work.
6. Duct Connection
Body
Ceiling
Grill
6-1. Insert the duct into the duct connector and tape all ductworks
connection to make them secure and air tight.
6-2. Install the duct with a gradient 1°~2° to the outside.
Suspension
Bracket II
Body
Joist
Inside
Outside
Tape
Duct
Gradient
1°~2°
Inspection Hole
3

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