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4. Outdoor Installation
4-1. Requirement on installation site
4. Outdoor Installation
4-1-1. General caution
A. Avoid locations exposed to direct sunlight or other sources of heat.
B. Select a location from which noise emitted by the unit will not inconvenience the neighbors.
C. Select a location permitting easy wiring and pipe access to the power source and indoor unit.
D. Avoid locations where combustible gases may leak, be produced, flow, or accumulate.
E. Note that water may drain from the unit during operation.
F. Select a level location that can bear the weight and vibration of the unit.
G. Avoid locations where the unit can be covered by snow. In areas where heavy snow fall is anticipated, special
precautions such as raising the installation location or installing a hood on the air intake must be taken to prevent
the snow from blocking the air intake or blowing directly against it. This can reduce the airflow and a malfunction
may result.
H. Avoid locations exposed to oil, steam, or sulfuric gas.
I. Use the transportation handles of the outdoor unit to transport the unit. If the unit is carried from the bottom, hands or
fingers may be pinched.
4-1-2. Installation at windy location.
When installing the outdoor unit on a rooftop or other location unprotected from the wind, situate the air outlet of the
unit so that it is not directly exposed to strong winds.Strong wind entering the air outlet may impede the normal airflow
and a malfunction may result.
The following shows two examples of precautions against strong winds.
Install an optional air guide if the unit is installed in a location where strong winds from a typhoon, etc. may directly
enter the air outlet. (Fig. 4-1-2a)
Position the unit so that the air outlet blows perpendicularly to the seasonal wind direction, if possible. (Fig. 4-1-2b)
Air guide
Fig. 4-1-2a
SYSTEM DESIGN
Wind direction
Fig. 4-1-2b
C7-R Rev.
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