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MULTI TYPE
2, 3, 4 ROOMS TYPE
16. Installation precautions
16-1. Indoor unit installation precautions
NOTE: The information listed below are general precautions.
Some models also include items that do not apply.
Place where prohibited for use
• Places where there is a danger of combustible gas leakage.
• Places where sulfur gas, chlorine gas, acid, alk
ali, or other matter which effects equipment is
ge
nerated.
• Places where there is a lot of oil splash and steam such as kitchen or machinery room.
• Places where machinery which generates high frequencies is used.
• Ocean beaches and other areas where there is a lot of salt.
• Places where carbon fibers or any kind of powder suspended in the air.
• Inside of vehicles, ships, and other conveyances.
• Places where voltage fluctuations are large such as a factory.
Points to remember when installing
• The product shall be installed at a place which can withstand the weight and vibration of the
in
door.
• To allow maintenance after refrigerant piping, drain piping, and electric wiring connection
and
in
stallation, provide an installation service space and an inspection port, as required.
*Installation service space is shown on Chapter 4. "Dimensions" on page 41.
• Be careful when installing the unit at the following places.
Condition Contents Countermeasures (Reference)
When the
ceiling is high.
If the indoor unit is installed where the installation
height given in the installation manual is exceeded,
the temperature difference between the floor and
ceiling of the room will be large and the heating effect
will be poor.
Moreover, even if the indoor unit is installed within
the installation height, a similar phenomena will occur
when installed in a room in which the doors are
opened and closed frequently and hot air circulation
is obstructed by furniture such as desks or chairs.
1. Switch the setting to the high
c
eiling mode.
2.
Install a circulator.
3. Arrange the furniture in the
room so that it does not
obstruct the hot air.
When lower
lev
el directly
contacts the
outside air.
When the lower level of the room is a semi-open
space such as warehouse or parking lot the surface
temperature of the flooring will become low and the
radiation of cold from the floor will increase.
In this case, even if the room temperature is suitable,
you may feel the foot level is cold.
When the air
flow
distribution is
poor.
When an indoor unit is installed in a position where
the outlet airflow will directly contact people, a draft
may be felt.
In addition, when there are obstructions in the path of
the intake and outlet airflow, the air distribution may
become extremely bad.
1.
Adjust
the louver fins or take
o
ther measures matched to
the site.
2.
Change the indoor unit outlet.
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