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3-2. Space required for installation
1) Provide sufficient distance from flammable materials
2) Installation space
Provide ample space for inspection and maintenance taking the refrigerant and fuel gas piping into account.
Warning
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Install the outdoor unit in the proper distance from flammable items as required by the rel-
evant local and national regulations, and technical standards.
If the distance does not meet the requirements, it could result in a fire.
Caution
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The following drawings show the minimum installation space for providing room for intake air
and inspection and maintenance operations.
Insufficient space could result in injury to the maintenance personnel or damage to the equip-
ment.
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Important reminder
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When 4 or more of outdoor units are installed in the same location, nearby walls or other objects
could obstruct air flow and cause short circuit. To prevent a decline in performance and trouble due to
short circuit of airflow, larger installation space is necessary. Contact an authorized dealer for details.
6’ 7” (2m) or more
2-1/4’ (700 mm)
or more
Either A or B must be
4 in (100 mm) or more.
The other side must be
1-1/4’ (350 mm) or more.
4 in (100 mm)
or more
4 in
(100 mm)
or more
4 in (100 mm)
or more
4 in (100 mm)
or more
4 in (100 mm)
or more
1-3/4’ (500 mm)
or more
Provide space of
6’ 7” (2m) or more above
the unit.
2-1/4’ (700 mm) or more
*1
1-1/4’ (350 mm)
or more
1-3/4’ (500 mm) or more
This space must be 4’ (1200 mm) or more when the
snow hood is mounted.
*1
When 5 or more units are installed in a row,
provide a service space for every 4 units.
*2
