ERV
BR70 AND BR130
7
1.800.627.4499
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
RENEWAIRE.COM
PLANNING
YOUR INSTALLATION
INSTALLATION
DUCTS TO THE OUTSIDE
The Exhaust Air Duct and the Outside Air Duct connect the unit to the outside. Flexible insulated duct
is typically used. See Duct Sizes.
Exhaust Air & Outside Air (EA & OA)
6" round insulated duct, 8" round insulated duct may be used
to maintain maximum airflow
Fresh Air & Stale Air (FA & RA)
6" round or 8" oval rigid un-insulated (wall mounted units only)
Ducts from unit to house in
unconditioned spaces
All ducts from unit to house in unconditioned spaces like attics
and crawl spaces must be insulated.
DUCT SIZES
EA
Exhaust Air
OA
Outside Air
RA
Room Air
SA
Supply Air
FA
Fresh Air
Bottom-Hung Lengthwise
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F2
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Bottom-Hung Crosswise
F3
Return Drop Hung
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F5
Side-Hung
F4
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APPLICATIONS
See figures F2-F5
for examples of some common installation approaches.
