GeneralAire ERV 3220 - Manual (Page 8)

ISF TM
collar system
(Patent Pending Technologies)
Quick and simple to install
thanks to our revolutionary
“Insert Slide and Fix TM ”
collar system.
The “ISF TM ” collar system enables you to
manipulate duct within your reach and
then insert the collar to the HRV/ERV
by sliding it in place, for a better and
quicker installation.
TIPS
to installer
To ensure a better installation and to
avoid an undesired bend in the duct,
align the duct with the collar before
securing over the four hooks.
The installer can now beneficiate from the ISF TM collar system for its flex duct installation to
the unit. Take four collars out of the unit. Insert the flex over the interior flange of the collar.
Make sure that flex is pushed all the way, so the four tabs on the collar hooks on to the flex.
Seal with tie wrap (4 tie wraps supplied with unit). Pull insulation over the interior flange.
Pull vapor barrier over outer flange on the collar and seal with duct tape.
Once insulated flex is attached to the collar, slide collar in keeper section, fixed collar to the
unit with four screws supplied in installation kit.
Insert the threaded drain adapter thru the bottom of the HRV or ERV and hand tighten the
plastic nut supplied with the drain kit.
7. Insulated Flex from Unit to Outside Wall
.
figure 7.1 ISF TM collar system - removable part.
figure 7.2 Insert vinyl duct over the
hooks and seal with a 30" tie wrap. figure 7.3 Insert insulation inside
the collar.
figure 7.5 Slide collar on the unit. figure 7.6 Fix and secure with two screws supplied.
figure 7.4 Finish by taping the duct on
the collar.
INSTALLATION
GUIDE
8