GeneralAire ERV 3220 - Manual (Page 11)

10. Outside Fresh Air and Exhaust Air Hoods
figure 10.1 Locating outside hoods.
72"
18"
figure 10.4 Install outside hoods.
figure 10.2
Insert vinyl duct over the hooks. Fix the
collar on the floor joist. figure 10.3
Insert insulation inside the collar and
finish by taping the vapor barrier on
the collar.
11
TIPS
to installer
To make your installation easier use our
double collar to install your flex pipe
with the outside hoods (figure 12.2).
TIPS
to installer
We manufacture a wide selection of:
• Insulated flexpipe
• Hoods
TIPS
to installer
Extend the sheet metal sleeve 1.5"
inside the home. Attach GeneralAire
specialty ISF
TM collar to sheet metal
sleeve.