Duco DucoBox Energy Premium Manual - Página 4
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3. Connecting air ducts
When connecting the ductwork, it must be taken into account whether it is a left-hand or right-hand
configuration. Air duct connections are also indicated on the DucoBox Energy Premium by means of
stickers.
LEFT-HAND configuration
ETA
HOUSE
SUP1
Fresh air
Air ducts to HOUSE
SUP
Supply
ETA
Extract Air
4
ODA
EHA
OUTDOORS
SUP2
Stale air
Supply air from unit to house
Supply air from the house to the unit
RIGHT-HAND configuration
EHA
ODA
ETA
OUTDOORS
SUP2
SUP1
Air ducts to OUTDOORS
ODA
Outdoor Air
EHA
Exhaust Air
HOUSE
Supply air from outdoors to the unit
Exhaust air from the unit to outdoors