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7.Connection of return air duct (setting back air return opening when leaving factory)
Remarks:
In installation, you can select the lower air return or back air return by adjusting the location of air inlet frame. Air
return from bottom will influence the unit noise, so we suggest use rear return installation.
Back air return opening
8.Concatenation means of exchanging flesh air
(1) Cut away the nummular component of
lateral board
Cut away
Cut away
(3) Airproof the joint by airproof cingulum avoiding
F
Size
Model
MVAH009~018MV2AA
MVAH024~030MV2AA 29 1/8
MVAH036~048MV2AA 50 3/8
Below air return opening
(2) Install the nummular air pipe (air pipe can be
purchased in local district )
25
F
G
(in)
(in)
26
7 7/8
7 7/8
9 2/8
Nummular air pipe
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