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Fresh-air inlet box
5
Attach the duct flange (3) and the outside air
introduction port fixing metal (2) to the outside
air introduction port (1) and fix with 8 mounting
screws (4). (Fig. 2)
6
Fix the Fresh-air inlet box set in step 4 to the
Fresh-air chamber with 6 mounting screws (4)
(Side: 4 screws, bottom: 2 screws).
7
Attach the heat insulation material A (5) and B
(6) to the mounting screws portions. (Fig. 1)
8
Install the Ceiling panel (sold separately).
For the details, refer to the Fresh-air chamber
installation manual.
9
Lay the wires for the louver motor wiring
connector.
10
Attach back the shield plate assembly (removed
in 3-4) as it was installed.
11
Fix the wind shield (7) to the position where the
suction grille is removed as shown in the Fig.3
with 2 mounting screws (4).
If the wind shield is not fixed, it is impossible to control
the room temperature. This may cause improper
operation.
Be sure to provide the opening for inspection on the
Fresh-air inlet box side. (The outside air introduction
port is removed when servicing.)
3-EN
(Fig. 2)
(1) Outside air
introduction port
(2) Outside air
introduction port fixing
metal part
(4) Mounting
screws
(Fig. 3)
After installing the panel, fix the wind shield (7)
with the mounting screws (4).
CAUTION
17.7" (450 mm)
7.9" (200 mm)
Inspection opening ( 17.7" (450 mm))
– 3 –
Installation Manual
(4) Mounting
screws
(3) Duct flange
(7) Wind shield
(4) Mounting screws
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