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Due to our policy of continuous product innovation, some specications may change without notication.
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24 | PRODUCT DATA
Single Zone Vertical Air Handling Unit Engineering Manual
• Data is valid under diffuse field conditions.
• Data is valid under nominal operating conditions.
• Sound power level is measured using rated conditions, and
tested in a reverberation room per ISO 3741 standards.
• Sound level will vary depending on a range of factors such as
construction (acoustic absorption coefficient) of particular area
in which the equipment is installed.
• Reference acoustic intensity: 0dB = 10E-6μW/m
2
Table 8: Vertical Air Handling Unit Sound Power Levels.
Sound Power Levels
ACOUSTIC DATA
Indoor Units
Indoor Unit Model Sound Power Levels dB(A)
High Fan Speed
NJ Frames
LVN180HV4 59
LVN240HV4 60
NK Frames
LVN360HV4 61
LVN420HV 61
LVN480HV 62
Figure 12: LVN180HV4 and LVN240HV4 Sound Power Level Diagrams.
Sound Power Level Diagrams for LVN180HV4 and LVN240HV4
LVN180HV4 LVN240HV4
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