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3-9. Duct for Fresh Air
G Air-intake chamber (including Duct connection box and flange) are attached to the indoor unit when used to
take fresh outdoor air.
High-performance filter or Super long-life filter can be also installed in the air-intake chamber.
(1) SETUP PRIOR TO INSTALLATION
G When installing the high performance filter or super long-life filter, the parts and parts numbers of filters to be
assembled with the air-intake chamber are listed below. Please check that the correct part numbers are
present.
High performance
Air-intake
chamber
CMB-GSJ80T
AFT-MSJ80T
AFT-HSJ80T
(2432 Type)
CMB-GSJ140T
AFT-MSJ140T
AFT-HSJ140T
(3632 Type)
(2) ACCESSORIES
G Check that the following parts are in the box when unpacking.
NAME
Cord with socket
(9P)
Screw
(M5 × L125)
Screw
(M4 × L12)
Duct connection box
Duct connection flange
(3) INSTALLATION
(a) Setup for the indoor unit
G When assembling the high-performance filter, open the lid of the electrical component box, remove the socket
(9P) of the fan motor cable inside the electrical component box and connect the accessory cord with socket (9P).
Do not connect the
"accessory cord with
CAUTION
socket" to the electrical
component box when the
unit is used to take fresh air.
Do not connect the
"accessory cord with
socket" when assembling
the super long-life filter.
Always store the "accessory
cord with socket" inside the
electrical component box.
Installation steps (a) to (b) are the same for both
the CMB-GSJ80T and the GSJ140T. The drawing
illustrates installation of air-intake chamber to the
CMB-GSJ80T.
Super long-life
filter
filter
AFT-LSJ80T
AFT-LSJ140T
QT'Y
Connecting line. Connect only when
1
high-performance filter is used
Air-intake filter
4
(for fastening)
Duct connection flange/ box
4+4
(for fastening)
1
(for fresh air)
(for connecting fresh air duct )
1
REMARKS
Cord with socket
( 9 P )
Electrical
component box
17
S4179705
Fig. 3-16
1114_X_S
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