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10. Installation
Choosing the installation location
• Do not install the product in places where corrosive gases such as sulfur oxides, ammonia, and sulfurous
gas are produced. (e.g. Toilet outlet, ventilation opening, sewage works, dyeing complex, cattle shed,
sulfuric hot spring, nuclear power plant, ship etc.) When installing the product in those places, contact an
installationspecialty store as the copper pipe and brazing part will need additional corrosion proof or anti-
rust additive to prevent corrosion.
• Make sure not to keep any inflammable materials (such as wooden materials, oil etc.) around the outdoor
unit. When there's fire, those inflammable material will easily catch the fire and may pass it on to the
product.
• Depending on the condition of power supply, unstable power or voltage any cause malfunction of the
parts or control system. (At the ship or places using power supply from electric generator...etc)
• Make sure to install MCU when using HR products.
• When you select the location to install the MCU, the location is far away from indoor rooms because the
refrigerant running of MCU may create noise.
Outdoor unit space requirements
•
Space requirement was decided based on following conditions; Cooling mode, outdoor temperature of
35°C (95 °F). Larger space is required if the outdoor temperature is higher than 35°C (95 °F)or if the place
is heated easily by quantity of solar radiation.
•
When you secure installation space, consider path for people and the direction of the wind.
•
Secure installation space as shown in the below illustration, considering ventilation and the service space.
•
If the installation space is narrow, installer or other worker may get injured during work and may also
cause problem to the product.
•
If you install multiple number of outdoor units in one space, make sure to secure enough ventilation space
if there's any walls around the product that may disturb the air flow. If enough ventilation space is not
secured, product may malfunction.
•
You may install the outdoor units with 20mm (0.78inch) of space between the product, but product's
performance may decrease depending on the installation environment.
Single installation
Front
side
Over 100 (4)
Over 100 (4)
<Case 1>
Over 300 (12)
Front
side
Over 100 (4)
<Case 2>
Unit : mm (inch)
Height of the wall is
unlimited
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