Trane 4TWL9048A1000A - Sound Pressure Level Information; 4.0 Ton Heating and Cooling Sound Pressure Levels; Sound Characteristics Chart

4TWL9048A-SF-1C-EN
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Sound Pressure Level
Reflective Surface
(Back wall)
Outdoor Unit
3’ ft
5’ ft
Table 4. 4.0 Ton Heating
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Table 5. 4.0 Ton Cooling
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NNootteess::
• Measuring place: Hemi-Anechoic chamber
• Sound pressure level will vary depending on
a range of factors such as the construction
of the particular room where the equipment
is installed.
• Operation sound level may differ depending
on operation and ambient conditions.