Noise Level - Haier AB072MRERA Service Manual

18.8 Noise level

1) Testing illustrate:
Sound level meter
2) Testing condition:
a: Unit running in the normal condition
b: Test in the semi-anechoic chamber
c: Noise level varies from the actual factors such as room structure, etc.
Note:
The noise level will be measured in the third octave band limited values in the semi-anechoic chamber,
using a Real Time Analyses calibrated sound intensity meter. It is a sound pressure noise level.
Air outlet
1m
Unit
Outlet side
Air return
Testing position just opposite against the
central of the unit air outlet
465
Outlet side
Air return