Specification Guide
FOUR-WAY VAHU INDOOR UNITS
Acoustic Data
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• Sound pressure levels are measured in dB(A).
• Sound pressure levels are tested in an anechoic chamber under ISO
Standard 3745.
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• Sound level will vary depending on a range of factors including the con-
struction (acoustic absorption coefficient) of a particular room in which
the unit was installed.
)LJXUH Sound Pressure Level Measurement Location.
7DEOH Vertical Air Handling Unit Sound Pressure Levels (dB[A]).
)LJXUH Sound Pressure Level Diagrams.
Model No.
Sound Pressure Levels (dB[A]) (Cooling and Heating)
High Fan Speed Medium Fan Speed Low Fan Speed
LVN180HV4 42 42 41
LVN240HV4 43 42 41
LVN360HV4 45 44 43
3.3 ft.
3.3 ft.
With Case
Microphone
LVN180HV4 LVN240HV4 LVN360HV4
VERTICAL-HORIZONTAL | 169
Vertical-Horizontal Air Handling Unit
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MULTI
F
MAX
MULTI
F