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Installation Procedures
7.Connection of return air duct (setting back air return opening when leaving factory)
Remarks:
This series of air conditioners can be arranged in two air return modes: 1. Air return from the back (Factory default); 2. Air
return from the bottom (can be adjusted on site. See the following figures.)
Note:
The downward air return mode will increase noise 3-5dB(A). It is recommended to install the air conditioner in downward
return air mode 2 if enough space is available.
8. Adding fresh air intake duct
(1) Cut away the circular opening on the side of the return
end
cut away
cut away
(3) Use foil tape to prevent air leaks
F
back air return opening
Size
Model
MVAH009~018MV2AA
MVAH024-030MV2AA
MVAH036-048MV2AA
(2) Install round duct collar (obtained locally)
10
F
G
(in)
(in)
26
7 7/8
29 1/8
7 7/8
50 3/8
9 2/8
below air return opening
Duct collar
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