Carrier XCT7 Installations- Und Benutzerhandbuch Seite 18

Installation Procedures
6. Connection of return air duct (setting back air return opening when leaving factory) Remarks:
In installation, you can select 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 of rear return installation.
bottom air return opening
7. Concatenation means of exchanging fresh air
(1) Disassemble the fresh air flange, and cut
away the component in the middle
fresh air
F
Model
40VD005-016S-7S-QEE
40VD018-030S-7S-QEE
40VD038-054S-7S-QEE
back air return opening
(2) Reverse the fresh air flange, and re-install it
fresh air
11
Size
F G
(mm) (mm)
592 165
992 165
1392 165