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SELECTION OF INSTALLATION SITE
ENGLISH
SELECTION OF INSTALLATION SITE
Considerations when selecting an outdoor unit installation site
• You need to select adequate installation location considering the following conditions, and
make sure to acquire the consent of the user.
• A place where exhaust gas does not flow back into a building or does not remain
• Beware that exhaust gas and air flowing out of the outdoor unit fan may cause harm to the ani-
mals and plants.
• A place without direct thermal radiation from other heat sources
• A place where the noise from the outdoor unit will not disturb the neighbors
• A place not exposed to a strong wind
• Place that can sufficiently endure the weight and vibration of the outdoor unit and where even
installation is possible.
• A place where the drain flows out of the unit well
• A place with space for air passage and service work. Avoid the unit installation in a place where
generation, inflow, stagnation, and leakage of exhaust gas is expected in order to prevent fire.
• Avoid the unit installation in a place where corrosive gas such as acidic and alkaline gas is exist-
ed.
• In order to operate the unit more stable below the outdoor temperature 10°C, avoid a place
exposed to snow or rain directly. Otherwise, install a duct for air suction/discharge.
• Do not use the unit under any special environment where oil, steam and sulfuric gas exist.
• When the outdoor temperature is below -5°C, installing the outdoor unit for air conditioning is
restricted.
• It is recommended to fence round the outdoor unit in order to prevent any person or animal
from accessing the outdoor unit.
• If necessary, install a warning signs indicating a danger.
• If installation site is an area of high humidity in winter (seaside, lakeside), make sure to install
the outdoor unit in a place where it has good ventilation with a plenty of sunshine (e.g: rooftop).
• If it is installed at a place with a lot of snowfall, install with the frame and base height higher
than the most extreme snowfall amount standard, and mount the snowfall hood (separately
sold).
• The noise from the unit may cause disturb the other devices. Electrical wiring should be done
at least more than 5 m from computer, radio, TV, phone, other cables, antenna, and so on.
• Do not install the inlet/outlet of the outdoor unit facing a seasonal wind.
• If the outdoor unit for winter is installed in such places as below,
it may delay the preheat time of the indoor unit and
cause a poor heating operation.
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