Zephyr ZRM-E36AS - Manual (Page 9)

7
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.
)DVWHQDOOFRQQHFWLRQVZLWKVKHHWPHWDOVFUHZVDQGWDSHDOOMRLQWVZFHUWL¿HG6LOYHU7DSHRU'XFW7DSH
Some Ducting Options
Installation –
Ducting Options
side wall cap
w/ gravity damper
Soffit or crawl space
Roof Pitch w/
Flashing & Cap
ductless
recirculating