
–2–
EN
3. Installing the fresh-air inlet box
CAUTION
The fresh-air inlet box should be installed after installing the indoor unit. Further attention is required since the fresh-air
inlet box is attached to the fresh-air chamber. Applying the shock to the side of the fresh-air chamber may damage the
product.
(1) Attach the fresh-air chamber to the indoor unit following to
the instructions described on the fresh-air chamber
installation manual.
(2) Remove the shield of the fresh-air chamber. (Fig. 1)
(3) Install the indoor unit (with fresh-air chamber) to the ceiling.
(4) Attach the duct flange ➂and the outside air introduction
port fixing metal ➁to theoutside air introductionport➀and
fix with 8 mounting screws ➃. (Fig. 2)
(5) Fix the fresh-air inlet box set in step (4) to the fresh-air
chamber with 6 mounting screws ➃(Side: 4 screws,
bottom: 2 screws).
(6) Attach the heat insulation material A ➄and B ➅to the
mounting screws portions. (Fig. 1)
(7) Install the ceiling panel sold separately following to the
instructions described on the fresh-air chamber installation
manual and lay the wiring for the louver motor wiring
connector.
(8) After installing the panel, fix the wind shield ➆to the
position wherethe suction grille is removed as shown in the
Fig.3 with 2 mounting screws ➃. If the wind shield is not
fixed, it is impossible to control the room temperature. This
may cause improper operation.
CAUTION
Be sure to provide the opening for inspection on the fresh-
air inlet box side. (The outside air introduction port is
removed when servicing.)
4. Confirming the installation
After the installation completes, perform the trial run to confirm that no abnormality is found.
For your future reference, please keep the installation manual on your side.
➄Heat insulating
material A
Shield plate (Remove)
(Fig. 1) ➅Heat insulating material B
➂Duct flange
➃Mounting
screws
➀Outside air
introduction port
➁Outside air
introduction port
fixing metal part
➃Mounting
screws
➆Wind shield
➃Mounting screws
After installing the panel, fix the wind shield ➆
with the mounting screws ➃.
(Fig. 2)
(Fig. 3)
Inspection opening (450)
2-EN
+00CH78994901_10L_TCB-GB1602UE.book Page 2 Wednesday, April 30, 2008 4:26 PM