Cosmo COS-5U SERIES Install, Use, & Care Manual page 10

• Your venting system must vent to the outdoors either horizontally through the back • Your venting system must vent to the outdoors either horizontally through the back • Your venting system must vent to the outdoors either horizontally through the back
e 6 in. round metal ductwork for this Range Hood.
wall(13) or vertically through the roof(14). wall(13) or vertically through the roof(14). wall(13) or vertically through the roof(14).
• The total duct length should not be more than 35 ft. Calculate the total effective
(refer to Fig. 5/Fig. 6/Fig. 7). (refer to Fig. 5/Fig. 6/Fig. 7). (refer to Fig. 5/Fig. 6/Fig. 7).
of the ductwork by using the table below. For each fitting use the table to see its
e total duct length should not be more than 35 ft. Calculate the total effective length
duct equivalent.
e ductwork by using the table below. For each fitting use the table to see its straight
• Use 6 in. round metal ductwork for this Range Hood. • Use 6 in. round metal ductwork for this Range Hood. • Use 6 in. round metal ductwork for this Range Hood. • Your venting system must vent to the outdoors either horizontally through the back
equivalent.
wall (13) or vertically through the roof (14). (refer to Fig. 5/Fig. 6/Fig. 7).
• Fasten all ductwork with sheet metal screws and tape all joints with certified du
• Use 5 in. round metal ductwork for this Range Hood. Connect to damper using HVAC
• The total duct length should not be more than 35 ft. Calculate the total effective length • The total duct length should not be more than 35 ft. Calculate the total effective length • The total duct length should not be more than 35 ft. Calculate the total effective leng
aluminum tape.
of the ductwork by using the table below. For each fitting use the table to see its straigh of the ductwork by using the table below. For each fitting use the table to see its straigh of the ductwork by using the table below. For each fitting use the table to see its straig
sten all ductwork with sheet metal screws and tape all joints with certified duct tape.
• The total duct length should not be more than 35 ft. Calculate the total effective
duct equivalent. duct equivalent. duct equivalent.
• If you must turn the path of the ductwork using elbows, keep the number of elb
length of the ductwork by using the table below. For each fitting use the table to
minimum for best performance. Use no more than three 90 degree elbows. Ensu
see its straight duct equivalent.
ou must turn the path of the ductwork using elbows, keep the number of elbows to a
• Fasten all ductwork with sheet metal screws and tape all joints with certified duct tape • Fasten all ductwork with sheet metal screws and tape all joints with certified duct tape • Fasten all ductwork with sheet metal screws and tape all joints with certified duct tap
there is a minimum of 25.6 in. of straight vent between each elbow. Use elbows
mum for best performance. Use no more than three 90 degree elbows. Ensure that
• Fasten all ductwork with sheet metal screws and tape all joints with certified HVAC tape.
away from the range hoods exhaust opening as possible.
e is a minimum of 25.6 in. of straight vent between each elbow. Use elbows as far
• If you must turn the path of the ductwork using elbows, keep the number of elbows to • If you must turn the path of the ductwork using elbows, keep the number of elbows to • If you must turn the path of the ductwork using elbows, keep the number of elbows t
y from the range hoods exhaust opening as possible.
• If you must turn the path of the ductwork using elbows, keep the number of elbows
minimum for best performance. Use no more than three 90 degree elbows. Ensure that minimum for best performance. Use no more than three 90 degree elbows. Ensure that minimum for best performance. Use no more than three 90 degree elbows. Ensure th
to a minimum for best performance. Use no more than three 90 degree elbows. En-
• Cap the exterior of the duct with a wall cap (15) or roof cap (16). Never use (4 i
there is a minimum of 25.6 in. of straight vent between each elbow. Use elbows as far there is a minimum of 25.6 in. of straight vent between each elbow. Use elbows as far there is a minimum of 25.6 in. of straight vent between each elbow. Use elbows as fa
sure that there is a minimum of 25.6 in. of straight vent between each elbow. Use
away from the range hoods exhaust opening as possible. away from the range hoods exhaust opening as possible. away from the range hoods exhaust opening as possible.
p the exterior of the duct with a wall cap (15) or roof cap (16). Never use (4 in.) laundry-type wall caps. Use caulking to seal exterior wall or roof opening around
elbows as far away from the range hoods exhaust opening as possible.
dry-type wall caps. Use caulking to seal exterior wall or roof opening around the cap
• Cap the exterior of the duct with a wall cap (15) or roof cap (16). Never use (4 in.)
• Cap the exterior of the duct with a wall cap (15) or roof cap (16). Never use (4 in.) • Cap the exterior of the duct with a wall cap (15) or roof cap (16). Never use (4 in.) • Cap the exterior of the duct with a wall cap (15) or roof cap (16). Never use (4 in.)
• The venting system must have a damper. If the roof or wall cap has a damper,
laundry-type wall caps. Use caulking to seal exterior wall or roof opening around
laundry-type wall caps. Use caulking to seal exterior wall or roof opening around the ca laundry-type wall caps. Use caulking to seal exterior wall or roof opening around the ca laundry-type wall caps. Use caulking to seal exterior wall or roof opening around the c
the cap.
e venting system must have a damper. If the roof or wall cap has a damper, do not
use the damper supplied with the range hood.
he damper supplied with the range hood.
• The venting system must have a damper. If the roof or wall cap has a damper, do
• The venting system must have a damper. If the roof or wall cap has a damper, do not • The venting system must have a damper. If the roof or wall cap has a damper, do not • The venting system must have a damper. If the roof or wall cap has a damper, do no
not use the damper supplied with the range hood.
use the damper supplied with the range hood. use the damper supplied with the range hood. use the damper supplied with the range hood.
For recirculating mode, air will vent out of the front vent
holes. (17 in Fig. 8)
8
If using recirculating mode, ignore this section.
9 9 9
9