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S4359146
(1) Accessories
● Check that the following parts are in the box when unpacking.
3-9. Duct for Fresh Air
● There is a duct connection part on sideface of the
indoor unit. (Fig. 3-16)
● Optional air-intake plenum (including duct connection
box and flange) can be attached to the indoor unit.
NAME QT’Y REMARKS
Cord with socket
1
Connecting line. Not necessary for
(9P) intaking fresh air.
Screw
4
Air-intake filter
(M5 × L5 in.) (for fastening)
Screw
7
Duct connection flange/ box
(M4 × L1/2 in.) (for fastening)
Duct connection box 1 (for fresh air)
Duct connection flange 1
(for connecting fresh air duct
)
(2) Installation
●
Installation steps (a) to (e) are the same for both the
CMB-GSJ80U and the GSJ140U. The drawing
illustrates installation of air-intake plenum to the
CMB-GSJ80U.
(a) Installing the air-intake plenum
● Set the air-intake plenum to the indoor unit taking
care not to set the incorrect direction. (Fig. 3-17)
● Fasten the air-intake plenum with the accessory
screws. (M5 × L5 in., 4pcs) (Fig. 3-17)
(b) Installing the duct connection box
● Fasten the duct connection flange to the duct
connection box with the accessory screws.
(M4 × L1/2 in., 4pcs) (Fig. 3-18)
● Put the duct connection box into the rectangular
hole of the air-intake plenum and fasten it to the
both sides of the indoor unit and plenum with the
accessory screws. (M4 × L1/2 in., 3pcs) (Fig. 3-18)
(c) Installing the indoor unit
● Install the indoor unit to the ceiling.
(Install the indoor unit according to items 3-1 to 3-6.)
Fig. 3-17
When installing in a pre-
existing location, install the
indoor unit before installing
the duct connection box.
CAUTION
8P socket (red)
(ceiling panel side)
8P socket (red)
Clamper
Panel lead wire (8P)
Socket cover
Installation
screws
Air-intake
plenum
(electrical
component box)
Indoor unit
1975_X_S
Fig. 3-16
1974_X_S
For fresh air intake
2-5/32
2-3/8
4-ø1/8 hole
ø4-13/32
Detail of fresh air intake
Air-intake plenum Type
CMB-GSJ80U
PNR-XH2442
(XH1242, XH1842, XH2442)
CMB-GSJ140U
PNR-XH3642
(XH3642, XH4242)