The 2
nd
Generation DC Series VRF Indoor Units
Ka
ysun
2
nd
Gener
ation DC Series Duct VRF Indoor Un
its Engineering Da
ta Book
201805 35
9 Sound Levels
9.1 Overall
Table 9.1: High Static Pressure Duct sound pressure levels
1
Figure 9.1: High Static Pressure Duct sound pressure
level measurement
Model name
Sound pressure levels dB(A)
SSH
SH
H
M
L
SL
SSL
KPDHF-71 DN4.0
46
46
45
45
44
43
42
KPDHF-90 DN4.0
50
49
48
48
47
46
45
KPDHF-112 DN4.0
50
50
49
48
47
46
45
KPDHF-140 DN4.0
53
52
51
51
50
49
48
KPDHF-160 DN4.0
54
54
53
52
51
50
50
KPDHF-200 DN4.0
57
56
55
54
53
52
50
KPDHF-250 DN4.0
57
56
55
54
53
52
50
KPDHF-280 DN4.0
57
56
55
54
53
52
50
KPDHF-400 DN4.0
60
59
58
57
55
54
52
KPDHF-450 DN4.0
60
59
58
57
55
54
52
KPDHF-560 DN4.0
59
58
57
56
55
53
51
Notes:
1. Sound pressure levels are measured 1.4m below the unit in a semi-anechoic
chamber. During in-situ operation, sound pressure levels may be higher as a
result of ambient noise.
9.2 Octave Band Levels
Figure 9.2: KPDHF-71 DN4.0 octave band levels
Figure 9.3: KPDHF-90 DN4.0 octave band levels
Oct
av
e band sound pr
essur
e le
vel dB(A)
0
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
0
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
NC65
NC60
NC55
NC50
NC45
NC40
NC35
NC30
NC25
NC20
NC15
SSH
SH
H
M
L
SL
SSL
SSH
SH
H
M
L
SL
SSL
NC65
NC60
NC55
NC50
NC45
NC40
NC35
NC30
NC25
NC20
NC15
Oct
av
e band sound pr
essur
e le
vel dB(A)
0
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
0
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
NC65
NC60
NC55
NC50
NC45
NC40
NC35
NC30
NC25
NC20
NC15
SSH
SH
H
M
L
SL
SSL
SSH
SH
H
M
L
SL
SSL
NC65
NC60
NC55
NC50
NC45
NC40
NC35
NC30
NC25
NC20
NC15
Octave band center frequency (Hz)
Octave band center frequency (Hz)
Summary of Contents for Kaysun KPDHF-112 DN4.0
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