X
32
3-9. Duct for Fresh Air
There is a duct connection part on side of the indoor
unit. (Fig. 3-16)
An optional air-intake plenum (including duct connection
box and flange) can be attached to the indoor unit.
(1) Accessories
Check that the following parts are in the box when
unpacking.
(2) Installation
Installation steps (a) to (d) are the same for both the
CMB-GSJ80U and the CMB-GSJ140U. The figure
illustrates installation of air-intake plenum to the
indoor unit. (Fig. 3-17)
(a) Installing the air-intake plenum
Set the air-intake plenum to the indoor unit taking care
not to set it in the wrong direction. (Fig. 3-17)
Fasten the air-intake plenum with the accessory screws.
(M5 ×L5 in., 4 pcs) (Fig. 3-17)
(b) Installing the duct connection box
Fasten the duct connection flange to the duct connec-
tion box with the accessory screws.
(M4 ×L1/2 in., 4 pcs) (Fig. 3-18)
Put the duct connection box into the rectangular hole of
the air-intake plenum and fasten it to both sides of the
indoor unit and plenum with the accessory screws.
(M4 ×L1/2 in., 3 pcs) (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.)
CAUTION
When installing in a pre-existing location, install theindoor unit before installingthe duct connection box.
Air-intake plenum Type
CMB-GSJ80U PNR-XH2442
(XH(W)2672R)
CMB-GSJ140U PNR-XH3642
(XH(W)3672R, XH(W)4272R)
Cord with socket 1Connecting line. Not necessary for
(9P) intaking fresh air.
Screw 4Air-intake filter
(M5 × L5 in.) (for fastening)
Screw 7Duct connection flange / box
(M4 × L1/2 in.) (for fastening)
Duct connection box 1 (for fresh air)
Duct connection flange1
(for connecting fresh air duct)
Name RemarksʻQʼty
For fresh air intake
2-5/32
8/3-2
e
l
o
h
8
/
1
ø-
4
23
/31-4ø
Detail of fresh air intake
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
Fig. 3-16Fig. 3-17
Unit: inch
07-115 SSHP_II 5/7/07 3:59 PM Page 32