Page 6
Insert the circular duct (6 inches) to the adapter, Seal duct to duct adapter with mastic or mastic tape. Mastic tape Flange (seal flange to ceiling with caulk) Finish ceiling work by sealing gaps between flange and ceiling with caulk or approved sealant. (Fig. 7)
Page 8
The ducting from this fan to the outside of the building has a strong effect on the air flow, noise and energy use of the fan. Use the shortest, straightest duct routing possible for best performance, and avoid installing the fan with smaller ducts than recommended. Insulation around the ducts can reduce energy loss and inhibit mold growth.
Need help?
Do you have a question about the FV-20VQ3 and is the answer not in the manual?
Questions and answers