Noise Criterion Curves - Mars Comfort-Aire Century VCD-SA Series Service Manual

Service Manual - VCDxxSA

4. Noise Criterion Curves

1.0m/3.28ft
Note: H= 0.5 × height of outdoor unit
Notes:
-Sound measured at 1.0m/3.25ft away from the center of the unit.
-Data is valid at free field condition
-Data is valid at nominal operation condition
-Reference acoustic pressure OdB=20µPa
-Sound level will vary depending on arrange off actors such as the construction (acoustic absorption coefficient) of particular
room in which the equipment is installed.
-The operating conditions are assumed to be standard.
A-VCD24SA-1
Outdoor Unit 12
 