LMCN078HV Engineering Manual

FOUR-WAY VAHU INDOOR UNITS
Acoustic Data
• Measurement taken 3.3′ away from the unit.
• Sound pressure levels are measured in dB(A).
• 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 con-
struction (acoustic absorption coefficient) of a particular room in which
the unit was installed.
Figure 218: Sound Pressure Level Measurement Location.
Table 97: Vertical Air Handling Unit Sound Pressure Levels (dB[A]).
Figure 219: Sound Pressure Level Diagrams.
Model No.
Sound Pressure Levels (dB[A]) (Cooling and Heating)
High Fan Speed Medium Fan Speed Low Fan Speed
LVN181HV4 35 33 30
LVN241HV4 36 34 30
LVN361HV4 44 41 39
3.3 ft.
3.3 ft.
With Case
Microphone
LVN181HV4 LVN241HV4 LVN361HV4
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170 | VERTICAL-HORIZONTAL
Multi F and Multi F MAX Indoor Unit Engineering Manual
MULTI
F
MAX
MULTI
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