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5 Installation
5.6
Positioning the indoor unit
5.6.1
Installation location requirements
5.6.2
Room requirements
Tab.100 Minimum room surface for cassette, ducted and ceiling-mounted ceiling floor unit
2
Room space (m
)
15-20
21-27
28-31
32-49
50-55
>56
Tab.101 Minimum room surface for wall-mounted ceiling floor unit
Room space (m
2
)
21-27
28-31
32-49
50-55
>56
158
Caution
If you install the indoor unit in a small room, make sure there is
proper ventilation to prevent the refrigerant from exceeding the
limit concentration even if it leaks. See the chapter room
requirements for R32.
Accumulation of highly concentrated refrigerant may cause an
oxygen deficiency accident.
Install the indoor unit on a solid surface that can support the
weight of the unit. Make sure that the support is securely installed
and the unit is stable even after running for an extended period. lf
not properly secured, the unit may fall and cause damage or injury
to objects and persons.
Do not install the indoor unit outside.
Do not install the indoor unit in a place where it can be exposed to a
combustible gas. If a combustible gas leaks and becomes concentrated
around the unit, a fire may occur.
Do not install the indoor unit in an atmosphere with a high salt content or
in any corrosive environment.
Do not expose the indoor unit to excessive steam, smoke, or dust.
Install the indoor unit at minimum 1 metre from other electrical
appliances with electromagnetic waves.
Do not install the indoor unit near liquids and/or highly flammable gases
Do not expose the indoor unit directly to sunlight.
The room in which the R32 refrigerant air conditioner is installed
cannot be smaller than specified in the table below. This is to
prevent potential safety problems caused by leakage of refrigerant
from the indoor unit.
Refrigerant maximum charge requirements (kg)
4.85
5.73
6.62
7.08
8.85
9.37
Refrigerant maximum charge requirements (kg)
1.56
1.81
1.93
2.41
2.55
See also
Additional refrigerant charge, page 169
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