Sound Levels - LG B30AWYN7G5A Manual

Ceiling Concealed Duct

12. Sound Levels

12.1 Indoor Unit
12.1.1 Sound pressure level
Overall
DISCHARGE
DUCT
2m
Model
B30AWYN7G5A
B36AWYN7G5A
B42AWYN7G5A
B55AWYN7G5A
External Static Pressure 6(59) [mmAq(Pa)]
B30AWYN7G5A
80
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1 000 2 000 4 000 8 000
Octave Band Center Frequency (Hz)
38 _ Inverter
50Hz/R410A
Notes:
- Sound measured at 1.5m away from the center of the unit.
SUCTION
- Data is valid at free field condition.
DUCT
- Data is valid at nominal operation condition.
- Reference accoustic pressure 0dB=20μPa.
- Sound level will vary depending on a range of factors such as
1.5m
1m
1m
- The operating conditions are assumed to be standard
Sound Pressure Levels (dB(A),H-M-L)
External Static Pressure (mmAq)
6
H M
42 41
43 42
44 43
44 43
B36AWYN7G5A
80
■
High
▲ Mid
● Low
70
NC-65
60
NC-60
NC-55
50
NC-50
NC-45
40
NC-40
NC-35
30
NC-30
NC-25
20
Approximate
NC-20
Hearing
Threshold
NC-15
10
63 125
Octave Band Center Frequency (Hz)
the construction(acoustic absorption coefficient) of particular
room in which the equipment is installed.
13
L H M
40 44 43
41 45 44
42 46 45
42 46 45
■
High
▲ Mid
● Low
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
250 500 1 000 2 000 4 000 8 000
L
42
43
44
44
B42AWYN7G5A
80
■
▲ Mid
● Low
70
60
50
40
30
20
Approximate
Hearing
Threshold
10
63 125 250 500 1 000 2 000 4 000 8 000
Octave Band Center Frequency (Hz)
High
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15