Hitachi RAS-18GH5 - MODES OF OPERATION; AUTOMATIC OPERATION

– 6 –
Figure showing the installation of Indoor and Outdoor unit
The installation height of indoor unit must be 2.3m or more in a non public area
CAUTION
!
The indoor piping should
be insulated with the en-
closed insulation pipe. (If the
insulator is insufficient,
please use commersial
products).
inner diameter ø 16mm
The connection of insulated
drain hose.
Please use insulated drain
hose for the indoor piping
(commercial product).
The difference in height
between the indoor and
outdoor unit should be
kept max 10m.
The connecting pipe,
no matter big or small,
should all be insulated
with insulation pipe and
then warapped with vinyl
tape. (The insulator will
deteriorate if it is not
wrapped with tape).
Figure showing the Installation
of Indoor and Outdoor Unit.
Be sure to
completely
seal any
gap with
putty.