S
O
U
N
D
P
R
E
S
S
O
U
N
D
P
R
E
S
6
.
6
.
6. Sound pressure data
Duct type
Model
9K
Test condition
Under the unit 1.4m and above the floor 1.0m
Hi
Me
Model
18K
Test condition
Under the unit 1.4m and above the floor 1.0m
90
80
70
Hi
60
Me
Lo
50
40
30
20
10
63
125
250
500
倍频带中心频率(Hz)
DC-INVERTER AIR CONDITIONER TECHNICAL&SERVICE MANUAL
S
U
R
E
D
A
T
A
S
U
R
E
D
A
T
A
Lo
NC-70
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1k
2k
4k
8k
Model
12K
Test condition
Under the unit 1.4m and above the floor 1.0m
90
80
70
60
50
Hi
40
30
20
10
63
125
250
500
Octave band center frequency(Hz)
Model
24K
Test condition
Under the unit 1.4m and above the floor 1.0m
90
80
70
60
Hi
50
Me
40
30
20
10
63
125
250
500
Octave band center frequency(Hz)
NC-70
NC-65
NC-60
NC-55
NC-50
Me
NC-45
NC-40
Lo
NC-35
NC-30
NC-25
NC-20
NC-15
1k
2k
4k
8k
NC-70
NC-65
NC-60
NC-55
NC-50
NC-45
Lo
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1k
2k
4k
8k
56