Installing The Tandem ® Transition Kit - Broan ERV90HC Installation Instructions Manual

3. INSTALLATION
(CONT'D)
3.8 I T
NSTALLING THE ANDEM
3.8.1 C
ONNECTION TO
1. For each duct, pull back the insulation to expose the interior flexible duct.
2. Connect the interior flexible duct to the smaller part of the Tandem® transition (5'' oval) using a tie wrap.
3. Pull the insulation over the joint. Pull the vapor barrier over the insulation.
4. Apply duct tape gently to the joint in order to make an airtight seal. See figures below.
3.8.2 A D
SSEMBLING UAL
Exterior dual hood is coming in separate parts. Using 2 #8 x
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
3.8.3 L D
OCATING THE
The dual exterior hood must be installed at a minimum distance of 18 inches (457 mm) from the
ground. See illustration beside.
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. • Garbage bin and any other source of contamination.
3.8.4 C T
ONNECTING ANDEM
1. Using a jig saw, cut a 6'' diameter hole in the exterior wall and insert the Tandem®
transition through this hole.
The Tandem® transition must be inserted in such a way that the Exhaust air to outside duct will be located on the top.
® T K
(
RANSITION IT
CONT
T ®
ANDEM TRANSITION
E
1 XHAUST AIR TO OUTSIDE
DUCT ON TOP
VJ0025
3
VJ0023
E H *
XTERIOR OOD
E H
UAL XTERIOR OOD
WARNING
!
010
• Any exhaust from a combustion source.
® D
TRANSITION TO THE
' )
D
2
VJ0022
4
VJ0024
3 ¼ " screws, assemble the top
4
H
UAL EXTERIOR OOD
CAUTION
- 14 -
VO0024
VD0083
VD0084
1) Exhaust air to outside duct
18''
(457 mm)
1