21
The refrigerant charge amount compared with the floor area of the room is roughly as follows:
4-Way Cassette (2-way airflow)
0
0.0
5.0
10.0
15.0
20.0
2010 30 40 50 60 70 80 90 100
U-8LZ2E8, U-10LZ2E8
U-4LZ2E5, U-5LZ2E5, U-6LZ2E5
U-4LZ2E8, U-5LZ2E8, U-6LZ2E8
Type 22
Type 28
Type 36
Refrigerant charge amount (kg)
Floor area of the room (m
2
)
Use of R32 refrigerant leakage detection sensor
Nonuse of R32 refrigerant leakage detection sensor
0
0.0
5.0
10.0
15.0
20.0
2010 30 40 50 60 70 80 90 100
U-8LZ2E8, U-10LZ2E8
U-4LZ2E5, U-5LZ2E5, U-6LZ2E5
U-4LZ2E8, U-5LZ2E8, U-6LZ2E8
Type 45
Refrigerant charge amount (kg)
Floor area of the room (m
2
)
Use of R32 refrigerant leakage detection sensor
Nonuse of R32 refrigerant leakage detection sensor
0
0.0
5.0
10.0
15.0
20.0
2010 30 40 50 60 70 80 90 100
U-8LZ2E8, U-10LZ2E8
U-4LZ2E5, U-5LZ2E5, U-6LZ2E5
U-4LZ2E8, U-5LZ2E8, U-6LZ2E8
Type 56
Refrigerant charge amount (kg)
Floor area of the room (m
2
)
Use of R32 refrigerant leakage detection sensor
Nonuse of R32 refrigerant leakage detection sensor
Fig. 2
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