25
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.
8.Concatenation means of exchanging flesh air
F
Size
Model
F
(in)
G
(in)
MVAH009~018MV2AA
26
7 7/8
MVAH024~030MV2AA 29 1/8
7 7/8
MVAH036~048MV2AA 50 3/8
9 2/8
Back air return opening
(1) Cut away the nummular component of
lateral board
(3) Airproof the joint by airproof cingulum avoiding
(2) Install the nummular air pipe (air pipe can be
purchased in local district )
Below air return opening
Cut away
Cut away
Nummular air pipe
