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Hitachi RAS-08HT Installation Instructions Manual page 7

Split inverter type room air conditioner

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4
Installation of the indoor unit
A. To install the indoor unit after jointing the
refrigerant lines:
The junction of pipes must be wrapped with
insulation materials for fittings.
Connect the power lines.
After arranging the connection wires and pipes,
place them in the space at the bottom of indoor
unit and secure them with tie wraps.
The insulation pipes must be wound by tape at
every 120mm.
Insulation material for fittings
B. To install the indoor unit before jointing
the refrigerant pipes:
Refrigerant lines and connection wires must be
tied together.
For the length of the refrigerant lines to be
reserved, refer to the right diagram.
For the length of connection wires to be
reserved, refer to the table below.
Models
RAS-08HT
RAS-10HT
RAS-15HT
RAS-19HT
RAS-24HT
RAS-30HT
C. Installation
Hang the indoor unit onto the installation plate.
Keep the bottom of the inside unit moving forward about 15
cm by using the tie wrap on the back of indoor unit to support
against the wall.
Remove the access panel at the bottom of the indoor unit.
Insert the drain hose in the hole on the wall.
After pipes are jointed, the junctions should be wrapped with
insulation materials for fittings.
Jointing connection wires.
After arranging the connection wires and pipes, place them in
the space at the bottom of indoor unit and secure them with
tie wraps.
The pawl at the bottom of indoor unit must securely engage
the hook of the installation plate.
Finally replace the access panel on the unit.
D.
Draining precautions
The drain hose
The drain hose
must not point
must not be
up.
bent in waves.
積水
Water sump
Water sump
L
70
95
110
管接頭隔熱材
Insulation material
for fittings
Connection
連接電線 配管
Pipe
wire
The front end of
the drain hose
must not be
dipped in water.
排水溝
Ditch
積水
7
NOTICE
When wrapping too
forcibly the insulation
material for fitting by a
tape, the insulation
effect will reduce and
causes condensation.
Insulation pipe
Tie wrap
The front end of the refrigerant pipe must be
positioned at the location inscribed with marks.
(The diagram is an instance of RAS-08HT)
Installation
plate
Hook
Pawl
About 15cm
When jointing a pipe, it
配管接續時,需向前
must be pulled forward
拉出,配管才容易。
to make piping easier.
排水管
Drain hose
保護管
Tube guard
連接電線
Connection wire
The front end
of the drain
hose must not
point up.
Water sump
積水
Pipe
Wrapping too
forcibly with a tape
Tie wrap
Access panel
接續部
Junction
配管固定板
Tip wrap
When pulling
horizontally, the front
end of drain hose must
not be higher.
Front end
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