4.7 INSTALLINGDUAL EXTERIOR HOOD* (HEPA 2000, HF 2.0, HEPA 3000, HF 3.0 ANDHEPA 4000 UNITSONLY)
4.7.1 ASSEMBLING DUAL EXTERIOR HOOD
Exterior dual hood is coming in separate
parts.Using 2 #8 x 3/4” screws, assemble the
top metal screen and the plastic grille to the
dual exterior hood. Then, slide the bottom
metal screen to the dual exterior hood.See
illustration beside.
*Patent pending
4.7.2 LOCATINGTHE DUAL EXTERIOR HOOD
The dual exterior hood must be installed at a minimum
distance of 18 inches (457 mm) from the ground.
See illustration beside.
4.7.3 CONNECTINGTANDEM®TRANSITION TO THE DUAL EXTERIOR HOOD
1. Using a jig saw, cut a 6’’diameter
hole in the exterior wall and
insert the Tandem® transition
through this hole.
1) EXHAUST AIR TO OUTSIDE duct
- 25 -
VO0024
WARNING
Make sure this hood is at least 3 feet (0.9 m) away from any of the following:
High efficiency furnace vent.
Gas meter exhaust,gas barbecue-grill.
Any exhaust from a combustion source.
Garbage bin and any other source of contamination.
0
!
VD0083
18''
(457 mm)
VD0084
1
CAUTION
The Tandem®transition must be inserted in such a way that the

EXHAUST

AIR TO OUTSIDE

duct will be located on the top.
4. INSTALL THE UNIT (CONT’D)