Filter
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14
S4359128
(b) INSTALLING THE AIR-INTAKE CHAMBER
● Set the air-intake chamber to the indoor unit taking
care not to set to the incorrect direction. (Fig. 3-17)
● Fasten the air-intake camber with the accessory
screws. (M5 × L125, 4pcs) (Fig. 3-17)
(c) INSTALLING THE DUCT CONNECTION BOX
● Fasten the duct connection flange to the duct
connection box with the accessory screws (M4 ×
L12, 4 pcs.). (Fig. 3-18)
● Put the duct connction box into the rectangular hole
of the air-intake chamber and fasten it to the both
sides of the indoor unit and chamber with the
accessory screws (M4 × L12, 4 pcs.). (Fig. 3-18)
(d) INSTALLING THE INDOOR UNIT
● Install the indoor unit to the ceiling.
(Install the indoor unit according to items 3-1 to 3-6.)
(e) INSTALLING THE CEILING PANEL
● Attach the ceiling panel to the chamber.
● Remove the socket cover of the air-intake chamber
and pass the 3P and 6P sockets through it. (Fig. 3-17)
● Connect the 3P socket to the 3P plug of the indoor
unit electrical component box.
● Connect the 6P socket to the 6P plug from the
operation selector.
● Reattach the socket cover.
(f) INSTALLING THE HIGH-PERFORMANCE FILTER
OR SUPER LONG-LIFE FILTER (Fig. 3-18)
● Turn the filter hooks of the air-intake chamber.
● Install high-performance or super long-life filter into
the chamber. (Install in the correct direction. Set the
filter so that the arrow on the side as shown in the
drawing on the right can be installed into the
air-intake chamber.
● Turn the filter hook (positioned so the filter frame is
aligned) and secure the air filter in place.
Take adequate precautions
when installing onto the
ceiling. The air-intake cham-
ber is especially prone to
rupture if struck on it’s side.
Air filter
Ceiling panel
Installation screws
(M4 × 12)
Installation screws
(M4 × 12)
Duct
connection
flange
Duct
connection box
Filter hook
Arrow
Rectangular
hole
1113_X_S
Fig. 3-18
Fig. 3-17
Socket cover
Air-intake chamber
3P socket
(from ceiling panel)
3P plug
(electrical
component box)
Indoor unit
Operation
selector
6P plug
(6P socket)
1115_X_S
Installation screws
CAUTION