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5 Installation
5�4�1 Installation Instructions –
Outdoor unit
Step 1: Select installation location
Before installing the outdoor unit, you
must choose an appropriate location.
The following are standards that will
help you choose an appropriate location
for the unit.
Proper installation locations meet the following
standards:
• Meets all spatial requirements shown
in Installation Space Requirements
above.
• Good air circulation and ventilation
• Firm and solid—the location can
support the unit and will not vibrate
• Noise from the unit will not disturb
others
• Protected from prolonged periods of
direct sunlight or rain
• Where snowfall is anticipated, raise
the unit above the base pad to prevent
ice buildup and coil damage. Mount
the unit high enough to be above the
average accumulated area snowfall.
The minimum height must be 18
inches.
DO NOT install unit in the following locations:
• Near an obstacle that will block air
inlets and outlets
• Near a public street, crowded areas, or
where noise from the unit will disturb
others
• Near animals or plants that will be
harmed by hot air discharge
• Near any source of combustible gas
• In a location that is exposed to large
amounts of dust.
30 / EN
• In a location exposed to a excessive
amounts of salty air.
C
Strong
Strong
wind
wind
C
Step 2: Install drain joint (Heat pump unit
only)
Before bolting the outdoor unit in place,
you must install the drain joint at the
bottom of the unit. Note that there
are two different types of drain joints
Multi Split Type Air Conditioner / User Manual
If the unit is exposed to
heavy wind: Install unit so
that air outlet fan is at a
90° angle to the direction
of the wind. If needed,
build a barrier in front of
the unit to protect it from
extremely heavy winds.
See Figures below.
Strong wind
Strong wind
If the unit is frequently
exposed to heavy rain or
snow:
Build a shelter above the
unit to protect it from the
rain or snow. Be careful
not to obstruct air flow
around the unit.
If the unit is frequently
exposed to salty air
(seaside):
Use outdoor unit that
is specially designed to
resist corrosion.
Wind Baffle
Wind Baffle
Strong wind
Strong wind
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