11
Installation Procedure
Note :
(1) Fix the parts with screws.
(2) Don't intake the strong wind directly to
the outlet air-flow hole.
(3) A one meter distance should be
kept from the unit top.
(4) Don't block the surroundings of the unit with sundries.
(5) If the outdoor unit is installed in a place that is exposed
to the wind, install the unit so that the outlet grid is NOT
pointing in the direction of the wind.
(a) Concrete foundation
(b) Foundation anchor
1. Selection of the place of installation
Select the place of installation satisfying the following conditions and, at the same time, obtain a consent from the client or
user.
Place where air circulates.
Place free from heat radiation from other heat sources.
Place where drain water may be discharged.
Place where noise and hot air may not disturb the neighborhood.
Place where there is not heavy snowfall in the winter time.
Place where obstacles do not exist near the air inlet and air outlet .
Place where the air outlet may not be exposed to a strong wind.
Place surrounded at four sides are not suitable for installation. A 1m or more of overhead space is needed for the unit.
Avoid mounting guide-louvers to the place where short-circuit is a possibility.
When installing several units, secure sufficient suction space to avoid short circuiting.
Open space requirement around the unit
Installation of Outdoor Unit
Wind direction
NO
L2
L3
L1
500
(Servicing
space)
Air outlet
Air inlet
Air inlet
Distance
open
open
open
500 mm
150 mm
150 mm
300 mm
300 mm
300 mm
L1
L2
L3
Case I
Case II
Case III
Fix the unit on the foundation in a proper way according to the condition of the installation place, referring to the following
information.
2. Installation of outdoor unit
Give enough room for the concrete foundation to fix by anchor bolts.
Place the concrete foundation deep enough.
Install the unit so that the angle of inclination must be less than 3 degrees.
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