HIGH STATIC | 43
Ducted High Static
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DUCTED HIGH STATIC
Acoustic Data
Sound Pressure Levels
Figure 18: Sound Pressure Measurement Location.
4.9 ft.
6.6 ft.
3.3 ft.
DUCT
DISCHARGE
SUCTION
DUCT
Model
Sound Pressure Levels dB(A)
High Fan Speed
Medium Fan Speed
Low Fan Speed
BH Units
ARNU073BHA4
34
33
32
ARNU093BHA4
35
34
33
ARNU123BHA4
37
35
34
ARNU153BHA4
39
37
34
ARNU183BHA4
40
38
37
ARNU243BHA4
42
40
39
Table 29: BH Indoor Unit Sound Pressure Levels.
• Measurements are taken 4.9 ft away from the front of the unit.
• Sound pressure levels are measured in dB(A) with a tolerance of ±3.
• Sound pressure levels are tested in an anechoic chamber under ISO Standard
3745.
Operating Conditions:
• Power source: 220V/60 Hz
• Sound level will vary depending on a range of factors including the construc-
tion (acoustic absorption coefficient) of a particular room in which the unit was
installed.
Sound Pressure for BH Units.
Sound Pressure for M2 Units.
Model
Sound Pressure Levels [dB(A), H-M-L]
External Static Pressure [in wg]
0.16
0.20
0.24
0.71
ARNU073M2A4
32-31-29
33-33-32
38-37-36
42-42-41
ARNU093M2A4
32-31-29
33-33-32
38-38-36
42-42-41
ARNU123M2A4
32-32-29
34-33-32
38-38-36
43-42-41
ARNU153M2A4
32-32-29
34-33-32
38-38-36
43-42-41
ARNU183M2A4
33-32-32
34-34-33
39-38-37
44-43-42
ARNU243M2A4
33-32-32
34-34-33
39-38-37
44-43-42
ARNU283M2A4
40-39-41
40-39-38
40-39-37
48-48-49
ARNU363M2A4
41-40-41
42-40-38
42-40-38
48-48-48
ARNU423M2A4
46-44-41
45-43-41
44-43-40
49-48-48
Table 30: M2 Indoor Unit Sound Pressure Levels.
