6
2. Installation location
2.4. Ventilation and service space
2.4.1. Windy location installation
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 three examples of precautions against strong winds.
1
Face the air outlet towards the nearest available wall about 35 cm away from the
wall. (Fig. 2-4)
2
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. 2-5)
A
Air outlet guide
3
Position the unit so that the air outlet blows perpendicularly to the seasonal wind
direction, if possible. (Fig. 2-6)
B
Wind direction
2.4.2. When installing a single outdoor unit (Refer to the last page)
Minimum dimensions are as follows, except for Max., meaning Maximum dimen-
sions, indicated.
Refer to the figures for each case.
1
Obstacles at rear only (Fig. 2-7)
2
Obstacles at rear and above only (Fig. 2-8)
• Do not install the optional air outlet guides for upward airflow.
3
Obstacles at rear and sides only (Fig. 2-9)
4
Obstacles at front only (Fig. 2-10)
5
Obstacles at front and rear only (Fig. 2-11)
6
Obstacles at rear, sides, and above only (Fig. 2-12)
• Do not install the optional air outlet guides for upward airflow.
2.4.3. When installing multiple outdoor units (Refer to the last page)
Leave 50 mm space or more between the units.
Refer to the figures for each case.
1
Obstacles at rear only (Fig. 2-13)
2
Obstacles at rear and above only (Fig. 2-14)
•
No more than 3 units must be installed side by side. In addition, leave space as shown.
• Do not install the optional air outlet guides for upward airflow.
3
Obstacles at front only (Fig. 2-15)
4
Obstacles at front and rear only (Fig. 2-16)
5
Single parallel unit arrangement (Fig. 2-17)
*
When using an optional air outlet guide installed for upward airflow, the clearance is
500 mm or more.
6
Multiple parallel unit arrangement (Fig. 2-18)
*
When using an optional air outlet guide installed for upward airflow, the clearance is
1000 mm or more.
7
Stacked unit arrangement (Fig. 2-19)
•
The units can be stacked up to two units high.
•
No more than 2 stacked units must be installed side by side. In addition, leave space as
shown.
Fig. 2-4
Fig. 2-5
Fig. 2-6
A
B
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