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Check of Density Limit
[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 .
1.22
[m
]
: The refrigerant charge amount (k ) (Total of refrigerant at shipment and refrigerant
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
] used in the appliance, refer to the installation
c
Can be installed
1
5 .
2
0 .
2.5
3.0
3.5
[m
] : the refrigerant charge amount (k )
c
2
)
1-11-2-1-8
Can not be installed
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
7.90
Fig. 1-11-2-1-1
1
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