3
2.
Front (blowing) side open
As long as space like the one
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maintained, it does not mat-
ter if there are obstacles in
three directions (but top side
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4.
Obstacles on front and rear side only
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taching an optional outdoor
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(but both sides and top are
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1-4. SELECTING PIPE SIZE AND OPTIONAL DIFFERENT-DIAMETER JOINTS
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units according to the following table.
• If the diameter of connection pipes does not match the diameter of pipe end connections, use optional different-diameter joints.
Outdoor unit
Indoor unit
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Room
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FREE SPACE REQUIRED AROUND OUTDOOR UNIT
1-5. SELECTING THE INSTALLATION LOCATION
• Where it is not exposed to strong wind.
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• Where rain or direct sunshine can be avoided as much as possible.
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• Where rigid wall or support is available to prevent the increase of op-
eration sound or vibration.
• Where there is no risk of combustible gas leakage.
• When installing the unit at a high level, be sure to secure the unit legs.
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-
fected device.
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Note:
It is advisable to make a piping loop near outdoor unit so as to reduce
vibration transmitted from there.
Note:
When operating the air conditioner in low outside temperature, be sure
to follow the instructions described below.
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• To prevent exposure to wind, install the outdoor unit with its air inlet
side facing the wall.
• To prevent exposure to wind, it is recommended to install a baffle
board on the air outlet side of the outdoor unit.
Avoid the following places for installation where air conditioner trouble
is liable to occur.
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• Where there is much machine oil.
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Service space
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• When installing the unit in an area that is enclosed on four sides such
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shown.
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space behind the rear side of the air inlet.
Note:
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other.
Window
More than
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More than
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More than
1.
Top side obstacles
When there is an obstacle behind the
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there is an obstacle over the top side
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3.
Obstacles on front (blowing) side only
In this case, the rear, both sides and
top should be open.
5.
Service space
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nance.
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