Hitachi RAS-50YH4 Service Manual page 7

The Length of Indoor Unit
Power Cord
about
0.9m
about 1.6m
Do not alter the power cord.
Direction of Piping
Horizontally
perpendicular
to the unit
Connection
There are 4 directions allowed,
namely,horizontally perpendicular
to the unit, vertically down from
right, horizontally out from right
and horizontally out to left.
Don't form the piping downward
at the left of the unit.
above 100mm
above 700mm
Figure showing the Installation of Indoor and Outdoor unit.
!
CAUTION
Be sure to
completely
seal any
gap with
putty.
above 200mm
above 50mm when
)
(
installed on the
ceiling of balcony
The installation height of indoor unit must be
2.3m or more.
above 50mm
above 100mm
Plug
above 100mm
give clearance as
wide as possible
above 200mm
– 6 –
above 100mm
2,300mm or more
The indoor piping should be
insulated with the enclosed
insulation pipe. (If the
insulator is insufficient,
please use commersial
products)
● 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).