9. Sound Levels
1.0m
FOUR-WAY CASSETTE TYPE
Microphone
High speed airflow
Medium speed airflow
Low speed airflow
18000btu/h
24000btu/h
36000btu/h
48000btu/h
Octave band center frequency
*
Hz
+
Sound
pr
es
su
re
le
ve
ldB
*
0d
B
=0
.0002
.
b
ar
+
Audibility limits of
continuous white
sound
Octave band center frequency
*
Hz
+
So
un
d
pr
es
su
re
le
ve
ld
B
*
0d
B
=
0.
00
02
.
ba
r
+
Audibility limits of
continuous white
sound
Noise level under three speeds of fan
Model
H
M
L
YKCA-YKHA 18
YKCA-YKHA 24
YKCA-YKHA 36
YKCA-YKHA 48
43
41
38
43
41
38
46
44
41
46
44
41
Содержание YKCA-YKHA 18
Страница 18: ...YKCA YKHA 36 YKCA YKHA 48 310 Pump inspect hole Drain hole Gas side E parts box liquid side 4 install hanger ...
Страница 37: ...7 Air Velocity and Temperature Distributions Reference Data Discharge angle 60º Airflowvelocity Temperature ...
Страница 40: ...lll _d chdcXdcigdah Xdb SM YKCA YKHA 18 48GB 0508 ...