4.7 I
NSTALLING
D
UAL
E
XTERIOR
H
OOD
*
(HEPA 2000, HF 2.0, HEPA 3000, HF 3.0
AND
HEPA 4000
UNITS ONLY
)
4.7.1 A
SSEMBLING
D
UAL
E
XTERIOR
H
OOD
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 L
OCATING THE
D
UAL
E
XTERIOR
H
OOD
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 C
ONNECTING
T
ANDEM
®
TRANSITION TO THE
D
UAL EXTERIOR
H
OOD
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)