Haier AB122ACERA Service Manual - Page 61

Commercial Air Conditioner 12. Noise level Sound pressure level DB Model: AU122AEERA AB122ACERA AC122ACERA AD122ALERA Sound pressure level DB Noise level-AB122ACERA 54 50 46 42 38 34 30 26 22 18 14 10 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 Third octave band frequency Hz 2000 2500 3150 4000 5000 6300 8000 10000 12500 160000 20000 Noise level-AD122ALERA 53 49 45 41 37 33 29 25 21 17 13 9 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 Third octave band frequency Hz 2000 2500 3150 4000 5000 6300 8000 10000 12500 160000 20000 heating low heating middle heating high cooling low cooling middle cooling high fan low fan middle fan high heating low heating middle heating high super heating high cooling low cooling middle cooling high super cooling high fan low fan middle fan high super fan high