Johnson Controls YORK YLCA Series - Unit Sound Power Spectrum Indication

1.11 Unit sound power spectrum indication
Standard models
YLCA-YLHA standard models
Frequency (Hz) 40 50 60 80 100 120 150
125 Hz 84 70 77 78 73 78 75
250 Hz 79 79 81 80 81 80 79
500 Hz 80 73 83 79 83 81 85
1000 Hz 75 76 78 76 75 79 77
2000 Hz 71 69 73 74 71 75 70
4000 Hz 65 63 64 65 62 68 63
8000 Hz 59 56 59 58 56 63 55
Sound power level dB (A) 81 83 85 86 86 86 87
Low noise models
YLCA-YLHA low noise models
Frequency (Hz) 40 50 60 80 100 120 150
125 Hz 79 71 73 75 75 75 76
250 Hz 74 73 75 76 76 76 78
500 Hz 75 74 76 77 77 77 79
1000 Hz 70 67 70 73 73 73 73
2000 Hz 66 62 65 59 59 59 68
4000 Hz 60 53 54 58 58 58 59
8000 Hz 54 48 50 53 53 53 54
Sound power level dB (A) 76 78 80 82 82 82 83
Quick installation guide 1
Unit sound power spectrum indication 1.11
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