Product Manual WHR-2 61
Sound Data
WHR Sound Pressure Charts
Table 37
Octave Band Sound Pressure Levels Per ARI Standard 575 (dB)WHR "E"
Unit Size
63 Hz 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz
Overall "A"
Weighted
017 46 48 54 58 60 60 60 60 68
020 47 49 55 59 61 61 61 60 68
025 47 49 55 60 61 62 63 62 69
030 47 49 55 60 61 62 63 62 69
040 50 51 57 60 64 64 64 64 71
045 50 52 58 61 64 64 64 64 71
050 51 53 58 61 65 64 65 64 72
060 51 53 59 62 65 65 65 64 73
070 52 54 61 64 67 67 67 65 74
080 52 54 61 64 67 67 67 65 74
085 54 56 63 66 69 69 69 66 76
Notes:
1. Sound Pressure per ARI Standard 575.
2. Sound pressure levels taken at a distance of 3 feet.
3. Acoustical enclosure is not available on the following unit sizes: 085, 090, 165, 175, 185, 195 and 210.
Table 38
Octave Band Sound Pressure Levels Per ARI Standard 575 (dB)WHR "E"
Unit Size
63 Hz 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz
Overall "A"
Weighted
090 55 57 63 67 69 70 69 70 77
095 68 69 72 73 75 69 66 65 78
100 68 69 72 73 75 69 66 65 78
110 69 70 73 74 76 70 66 65 79
115 69 70 73 74 76 70 66 65 79
120 69 70 73 74 76 70 66 65 79
130 70 71 73 75 77 71 67 65 80
145 70 72 74 75 77 72 68 65 80
155 71 73 74 76 77 72 68 66 80
165 72 74 75 77 78 73 69 67 81
175 73 75 76 78 79 74 70 68 82
185 73 75 76 78 79 74 70 68 82
195 74 76 76 79 80 75 71 76 84
210 74 76 76 79 80 75 71 76 84
Notes:
1. Sound Pressure per ARI Standard 575.
2. Sound pressure levels taken at a distance of 3 feet.
3. Acoustical enclosure is not available on the following unit sizes: 085, 090, 165, 175, 185, 195 and 210.
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