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Hitachi RAS-08HT Installation Instructions Manual page 6

Split inverter type room air conditioner

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2
Drilling the wall and fitting the tube guard
⚫ When drilling a hole of
Ø65mm
in
diameter,
keep the outdoor side
slightly downward and
drill it with a small slope.
⚫ Cut
the
tube
guard
based on the thickness
of the wall to be installed.
⚫ The clearance of pipe
plugs must be sealed
completely
to
prevent
rain
from
penetrating
indoor.
3
Preparation for installing the indoor unit
⚫ To pull down the pipes directly:
1. Remove the access panel, then pull
out the connection wires and joint
them.
2. Pull out the pipes, connection wires
and the drain hose.
⚫ To pull the pipes horizontally, replace and
fit the drain hose and drain cap as shown
below. In addition, the drain hose must be
inserted all the way in.
⚫ Turn and remove the drain cap by using a
plier (this method is easier to remove the
cap) as shown in the right diagram.
To pull the pipes leftward or
rightward and downward, use tools
such as a saw to cut and remove
the plugs or access panel as
shown below and then trim the
burr.
Access panel
Access
Plug
Plug
panel
Indoor side
Putty
Wall
Tube guard
Pipe plug
NOTICE
⚫ The drain cap and drain hose must be inserted
completely, or the condensed water may spill over.
Drain cap
Insert it to
Plug
here
Plug
6
Outdoor
NOTICE
side
When
wires, do not let the wires
come in touch with the
metal grids inside the wall;
In addition, if the wires run
through a hollow wall,
there is risk of being bitten
by
danger. Be sure to use the
tube guard.
Connection wire,
pipes and drain
hose must be
secured using a
tape.
Drain cap
Drain hose
Pull it out from access panel
connecting
the
rats
and
causes
Drain hose
Insert it to
here

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