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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 and where rain, snow or sunshine will not directly strike the unit.
(b)
A place where discharged hot air or unit’s operating sound will not be a nuisance to the neighborhood.
(c)
A place where servicing space can be secured.
(d)
A place where vibration will not be enlarged.
Model
All models
Item
One way piping length (
R
)
15 m
Outdoor
unit is lower
5 m
Outdoor unit
is higher
5 m
r
h
Snow hood
Height:
Must be over
the possible
snow deposit
height
Left
side
Right
side
5 cm
10 cm
1.5 cm
6.5 cm
Air inlet
Air inlet
Air
Outlet
100
100
600
No obstacles
(Service space
for electrical
parts)
Unit : mm
Notes (1) Blowing out port and suction port on the back side of the unit can be
installed at a distance of 10cm from walls.
In case the barrier is 1.2m or above in height, or is overhead, the
sufficient space between the unit and wall shall be secured.
(2) When the unit is installed, the space of the following dimension and
above shall be secured.
(e)
In heating operation, snow deposit on the heat-exchanger of outdoor unit must be
prevented for keeping the normal performance capacity.
(i)
Snow-hood on outdoor unit as in drawing, will reduce the frequency of
defrost operation.
When installing the snow hood, take care so that the air outlet of the snow
hood will not face directly into the most windy direction.
(ii)
Design the base higher than possible snow deposit.
(3)
Limitations for one way piping length and vertical
height difference.
(
)
Vertical height
difference (H)