Indoor unit
Ceiling Concealed Duct_Built in (Low Static)
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10. Installation
Indoor Units
• Refer to Suction grille and Suction canvas installation
manual for detail installation of Built-in duct type
270 or more
520 or more
Inspection hole
(600 x 600)
Control box
600
600
Top view
(unit:mm)
Airflow
10.1 Selection of the best location
Install the air conditioner in the location that satisfies the
following conditions.
• The place shall easily bear a load exceeding four times
the indoor unit’s weight.
• The place shall be able to inspect the unit as the figure.
• The place where the unit shall be leveled.
• The place shall easily connect with the outdoor unit.
• The place where the unit is not affected by an electrical
noise.
• The place where air circulation in the room will be good .
• There should not be any heat source or steam near the
unit
Confirm the positional relationship between the unit and
suspension bolts.
• Installation the ceiling opening to clean the filter or ser-
vice under the product.
Chassis A B
B3 600 900
B4 600 1100
(Unit : mm)
B3/B4 Series : Built-in Duct type
A(Min)
B(Min)
Ceiling
Service Space
A
B