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2. Indoor
2-1. Type U3
The refrigerant (R32), which is used in the air conditioner, is a flammable refrigerant. So the
requirements for installation space of appliance are determined according to the refrigerant
charge amount [m
] used in the appliance.
c
Regarding the refrigerant charge amount [m
instructions for the outdoor unit.
The minimum indoor floor space compared with the amount of refrigerant is roughly as follows:
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0.0
0.5
1.0
[m
]
:
T
h
e
e r
r f
g i
e
a r
c
charge amount in the field).
[Amin] : Minimum indoor floor space (m
[m
]
[Amin]
c
1.22
2.5
1.3
2.6
1.4
2.8
1.5
3.0
1.6
3.2
1.7
3.4
1.8
3.6
Can be installed
1.5
2.0
2.5
3.0
[m
: ]
h t
e
e r
r f
g i
c
1.22
t n
c
h
a
g r
e
a
m
o
u
t n
k (
2
)
] used in the appliance, refer to the installation
c
Can not be installed
3.5
4.0
4.5
5.0
g)
e
a r
t n
c
h
a
g r
e
a
m
o
u
t n
k (
g) (Total of refrigerant at shipment and refrigerant
10
5.5
6.0
6.5
7.0
7.5
8.0
8.5
Fig. 1
7.90
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