Zephyr Essentials Modena Island ZMD-E42AS Use, Care And Installation Manual page 9

WARNING FIRE HAZARD
NEVER exhaust air or terminate duct work into spaces between walls, crawl spaces, ceiling, attics or garages.
All exhaust must be ducted to the outside, unless using the recirculating option.
Use single wall rigid Metal ductwork only.
Fasten all connections with sheet metal screws and tape all joints w/ certifi ed Silver Tape or Duct Tape.
Some Ducting Options
(blower
housing)
ductless
recirculating
(blower
housing)
Roof Pitch w/
Flashing & Cap
(blower
housing)
Soffit or crawl space
7
side wall cap
w/ gravity damper