8
2-long screws
(ST4.2x30)
INSTALLATIONⅠ(WALL MOUNT)
4-plug covers
Control panel comes to this side
Wall bracket
MethodⅠ- Simplified ducted installation (Return method)
Note
DUCT INSTALLATION
This method draws return air from the return air duct
of the air furnace and supplies an equal amount of
outside air farther downstream into the return duct.
(1)The ERV unit must be balanced.
(2)
It is mandatory that HVAC/AHU signal cord be connected.
(3)Check local codes and authority having
jurisdiction for acceptance.
Note
(1)Must Have 2-3 ft straight run on all duct attachments points
before elbow is more than 2 ft (610 mm).
(2)Unit is normally balanced on high speed with the furnace blower on.
(3)A minimum separation of 40 inches (1 m) is recommended between the two
direct connections.
(4)The exhaust air connection shall be upstream of the supply air connection to
prevent exhausting any fresh air.
(5)The distance between two outdoor hoods please see P.11.
(6)The airflow must be confirmed on site using the balancing procedures found in P.13.
36”
Air
furnace
(914 mm)
Min.
Dampers for
balancing
airflows
40" (1 m) Min.
Outdoors
OA
EA
RA
SA
Return
air
Return air
HangerⅠ
Hang ERV on to wall bracket.3
Please use 3rd hole
in case it is not easy to
put screws due to Junction box.
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