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1.800.627.4499
GR90, EV90, EV90P
ERV
INSTALLATION
Foam Tape
Foam Tape
Metal Washer
Lag Screw or Concrete Anchor
(provided by others)
Lag Screw or Concrete Anchor
(provided by others)
Unit Flange
Optional Washer and Screw
(provided by others)
Hanging Bracket
3.1 MOUNTING THE UNIT
u
UNIT MAY BE INSTALLED IN ANY ORIENTATION
Orient the unit for the simplest duct layout and connections.
u
MOUNT THE EV90/P ON A CONCRETE FOUNDATION WALL
Mount hanging bracket to the wall with appropriate concrete anchors. Use pre-cut foam tape
from small parts bag. Remove backing and apply two pieces of foam tape equally spaced
along the unit’s mounting flange to be held by the hanging bracket. Apply the other two
pieces of foam over two holes that will be used for fastening, on the other flange. The tape
should be applied in a “U” shape to cushion both the front and back of the integral flanges.
Lift unit and slide unit flange into the hanging bracket. Using metal flat washers, fasten
flange opposite hanging bracket to structure. Safety screws should similarly be installed
passing through the hanging bracket and flange. Make sure the screws, which you must
supply, are properly selected for the loads and substrate involved.
u
MOUNTING THE EV90/P TO A STUD WALL
Mount unit using supplied hanging bracket kit as described for mounting to concrete
foundation wall.
u
SUSPENDING THE EV90/P FROM FLOOR JOISTS OR TRUSSES
The unit may be screwed directly to joists or trusses using the hanging bracket and integral
flange. Mount as described for mounting to concrete foundation wall.
u
MOUNTING THE GR90
The GR90 can be mounted similar to the EV90 however, the GR90 does not come with a
hanging bracket. Using flat washers provided, install screws through the holes in the flanges
of the unit. Make sure the screws, which you must supply, are properly selected for the loads
and substrate involved.
3.0 INSTALLATION
FIGURE 3.1.0 MOUNTING THE ERV TO A STUD WALL, EV90/P ONLY
Risk of injury when lifting unit and installing it overehead. Get a helper and wear eye protection.
CAUTION
NOTE: The door
is equipped with
slide-off hinges.
For the homeowner’s
convenience it is helpful
to orient the unit so that
the door does not drop off
when it is unlatched.
NOTE: The hole
layout on the
integral mounting
flanges and the hanging
bracket are spaced for
16" on-center framing
patterns.
NOTE: The hole
layout on the
hanging bracket is
spaced for 16" on-center
layouts.
