14
P00877Q
4.1 Installation Location and Precautions
To reduce the risk of serious injury or death, the following installation precautions must be followed.
4. Outdoor Unit Installation
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When installing the unit into…
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A wall: Make sure the wall is strong enough to hold the unit’s weight. It may be necessary to
construct a strong wood or metal frame to provide added support.
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A room: Properly insulate any refrigerant tubing run inside a room to prevent “sweating” that can
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Damp or uneven areas: Use a raised concrete pad or concrete blocks to provide a solid, level
foundation for the unit to prevent water damage and abnormal vibration.
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An area with high winds: Securely anchor the outdoor unit down with bolts and a metal frame.
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A snowy area: Install the outdoor unit on a raised platform that is higher than drifting snow. Provide
snow protection hood (optional part (*)).
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corrosion, or product failure.
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stove.
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Where oil (including machinery oil) may be present.
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tub or hot spring.
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Where the air quality is of high acidity.
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Where harmful gases can be generated from decomposition.
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During heating or defrosting operation, drain water is discharged. Provide adequate drainage around
the foundation. If installing the unit on a roof or a balcony, provide the additional drainage around the
foundation to prevent water dripping on a person or forming ice in winter.
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nearby.
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Perform a test run to ensure normal operation. Safety guards, shields, barriers, covers, and protective
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clothing away from any moving parts.
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been left behind inside the unit being installed.
After installation work for the system has been completed, explain the “Safety Precautions,” the proper use
and maintenance of the unit to the customer according to the information in all manuals that came with the
system. All manuals and warranty information must be given to the user or left near the Unit.
* Refer to the “Engineering Manual” for details of the optional part.
Seasonal
Wind
Snow attaches directly
to the heat exchanger.
Provide a base which has
approximately twice the height of
forecast snow accumulation.
Air Inlet
Hood
Air Outlet
Hood
Seasonal
Wind
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