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Indoor/Outdoor Unit
Installation Drawings
For installation of the indoor units, refer to the installation manual which was provided with the units.
(The diagram shows a wall-mounted indoor unit.)
CAUTION
• Do not connect the embedded branch piping and the outdoor unit when only carrying out piping work without connecting the
indoor unit in order to add another indoor unit later.
Make sure no dirt or moisture gets into either side of the embedded branch piping.
See "Precautions for Laying Refrigerant Piping" on page 9 for details.
• It is impossible to connect the indoor unit for one room only. Be sure to connect at least 2 rooms.
Max. allowable refrigerant charge amount
2MXM40
1.08kg
2AMXM40
2MXM50
1.350kg
2AMXM50
Refrigerant piping must be kept to
a minimum.
Minimum floor area for installation
2MXM40
1.20m
2AMXM40
2MXM50
1.80m
2AMXM50
If there is the danger of the unit falling
or overturning, fix the unit with
foundation bolts, or with wire or other
means.
If the location does not have good
drainage, place the unit on a level
mounting base (or a plastic pedestal).
Install the outdoor unit in a level
position. Failure to do so may result in
water leakage or accumulation.
4
Allow 300mm of
work space below
the ceiling surface.
Wire
2
2
Level mounting
base (optional parts)
The flare connection
should be installed
outdoors.
Cut thermal insulation
pipe to an appropriate
length and wrap it with
tape, making sure that no
gap is left in the insulation
pipe's cut line.
Caulk
pipe hole
gap
with putty.
Also insulate the connection on the outdoor unit.
Clamping material
Tape
Use tape or insulating material on all connections
to prevent air from getting in between the copper
piping and the insulation tube.
Be sure to do this if the outdoor unit is installed
above.
Wrap the insulation
pipe with the finishing
tape from bottom to top.
Refrigerant piping must
be protected from
physical damage.
Install a plastic cover or
equivalent.
Allow space for piping
and electrical servicing.
Stop valve cover
unit: mm
Insulation tube
Service lid
English
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