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5.1 Selection of location for installation
(1) Indoor unit
(a) Where there is no obstructions to the air flow and where the
cooled air can be evenly distributed.
(b) A solid place where the unit or the wall will not vibrate.
(c) A place where there will be enough space for servicing. (Where
space mentioned below can be secured)
(d) Where wiring and the piping work will be easy to conduct.
(e) The place where receiving part is not exposed to the direct rays of the sun or the strong rays of the street lighting.
(2) Outdoor unit
(a) A place where good air circulation can be obtained.
(b) A place where the exhausted air will not be sucked in for the
second time.
(c) A place where the unit will not be affected by other heat sources.
(When there are several units installed or another heat source)
(d) Do not install the unit near the seaside, or where there is possibil-
ity of chlorine gas generation.
(e) A place where discharged hot air or unit’s operating sound will
not be nuisance to the neighbourhood.
(f) A place where servicing space can be secured.
(g) A place where vibration will not be enlarge.
150
100
65
50
Left
side
Right
side
Unit : mm
Vertical height
difference (H)
Model
Item
All models
One way piping length (R) 15
Outdoor
unit is lower
5 m
Outdoor unit
is higher
5 m
(3) Limitations for one way piping length and vertical height difference.
R
h
100
600
800
Air inlet
Service
space
()
Air inlet
Air
Outlet
Note (1) If the wall is higher than 1.2 m or a ceiling is
present, distances larger than indicated in the
above table must be provided.
Unit : mm
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