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Hitachi RAC-10GH5 Service Manual page 20

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THE CHOICE OF MOUNTING SITE
• The unit should be mounted at stable, non-vibratory location
which can provide full support to the unit.
• No nearby heat source and no obstruction near the air
outlet is allowed.
• The clearance distances from top, right and left are
specified in figure below.
• The location must be convenient for water drainage and
pipe connection with the Outdoor unit.
• To avoid interference from noise, please place the unit and
its remote controller at least 1m from the radio and
television.
• To avoid any error in signal transmission from the remote
controller, please put the controller far away from high-
frequency machines and high-power wireless systems.
The installation height of the indoor unit must be at least
2300mm or more from the floor.
Names of Indoor Components
No.
Component's Name
Hanger
1
Screw for Hanger
2
(
4 . 1 x 3 2 )
AAA Size Battery
3
Remote Controller
4
Drain Pipe
5
Dimension of Mounting
Stand of the outdoor unit
(unit : mm)
45
500
698
(10GH5/10KH3)
50
500
750
(14GH5/14KH3)
(Please note the following matters and obtain permission from customer before installation.)
WARNING
CAUTION
The Length of Indoor Unit
Qty
Connecting Cord
above
above
1
0.9 m
1.6 m
When the power is
6
supplied from the
indoor unit, pull the
power cable from the
cable drawer at the
2
right or left side of
the indoor unit.
Cable drawer (right side)
1
Direction of Piping
Backward piping
from left
1
Connection
There are 6 directions allowed,
namely,
backward
piping,
backward piping from left,
horizontally piping from right,
horizontally piping from left,
vertically down from right, vertically
down from left.
The clearances of the
unit from top, left, right
and front are specified
in figure below. At least
three of the above sides
must be open air.
above 100mm
above 400mm
WARNING
• The Outdoor unit must be mounted at a location which can
support heavy weight. Otherwise, noise and vibration will
increase.
CAUTION
• Do not expose the unit under direct sunshine or rain.
Besides, ventilation must be good and clear of obstruction.
• The air blown out of the unit should not point directly to
animals or plants.
• The clearances of the unit from top, left, right and front are
specified in figure below. At least three of the above sides
must be open air.
• The installation height should be at least 2,300 mm or more
from the floor.
• Be sure that the hot air blown out of the unit and noise do
not disturb the neighbourhood.
• Do not install at a location where there is flammable gas,
steam, oil and smoke.
• The location must be convenient for water drainage.
• Place the Outdoor unit and its connecting cord at least 1 m
away from the antenna or signal line of television, radio or
telephone. This is to avoid noise interference.
Figure showing the Installation
of Indoor and Outdoor Unit.
1
above 250mm
Be sure to
completely
seal any gap
with putty.
above 200mm
above 150mm
give clearance
as wide as
possible
above
200mm
above
50mm
2
above 100mm
2,300 mm or more
The indoor piping should be
insulated with the enclosed
insulation pipe. (If the insulator is
insufficient, please use commercial
products.)
• The refrigerating machine oil is
easily affected by moisture. Use
caution to prevent water from
entering the cycle.
• 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.
Inner diameter 16mm
Please use insulated drain hose for
the indoor piping (commercial
product)

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