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Hitachi RAS-25CNH1 - Figure showing the Installation of Indoor and Outdoor Unit; Dimension of Mounting Stand of the outdoor unit; Direction of Piping

Hitachi RAS-25CNH1
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– 5 –
above 100mm
above 300mm
above 200mm
above 100mm
Maximum pipe length 8m
give clearance
as wide as possible
above 50mm
above 100mm
about 0.45m
above 300mm
must not bend
above 100mm
Used in horizontal piping
6
above 50mm when
installed on the
ceiling of balcony
above 200mm
2,500mm or more
Plug
The Length of Indoor Unit Connecting
Cord
Figure showing the Installation of
Indoor and Outdoor Unit.
about 1.6m
about
0.9m
The difference in height
between the indoor and outdoor
unit should be kept below 5m.
The connecting pipe, no matter
big or small, should all be
insulated with insulation pipe
and then wrapped with vinyl
tape. (The insulator will
deteriorate if it is not wrapped
with tape).
The connection of insulated drain
hose.
Please use insulated drain hose
for the indoor piping (commercial
product).
inner diameter ø 16mm
The indoor piping should be
insulated with the enclosed
insulation pipe. (If the insulator is
insufficient, please use commersial
products).
Be sure to
completely
seal any gap
with putty.
Direction of Piping
Dimension of Mounting Stand
of the outdoor unit
500
100
35
35
12
225
8
mounting stand
(unit : mm)
There are 3 directions allowed,
namely, horizontally perpendicular to
the unit, vertically down from right,
horizontally out from right.
Don’t form the piping downward at the
left of the unit.
20
Cut away shaded
portion, and finish
the edge of the
opening so that
there is no burr.
Connection
Horizontally
perpendicular
to the unit

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