Carrier XCT 7 40VD H-7S Series - Page 18

Installation
6. Connection of return air duct (setting back air return opening when leaving factory)
Remarks: During 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 inuence the unit noise, so we suggest the use of rear return installation.
a.Concatenation means of exchanging fresh air
(1) Cut away the nummular component of
lateral board
(2) Install the nummular air pipe
(air pipe can be purchased from local shop )
cut
away
cut
away
nummular air pipe
F
G
rear air return opening
bottom air return opening
Size
Model
F
(mm)
G
(mm)
40VD007-018H-7S-QEE
660 200
40VD024-030H-7S-QEE
740 200
40VD036-054H-7S-QEE
1280 235
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