Bryant 583B - Performance Data (continued); Economizer and Filter Pressure Drop; Outdoor Sound Data

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PERFORMANCE DATA (CONT)
ECONOMIZER/1-IN. FILTER PRESSURE DROP (in. wg)
OUTDOOR SOUND: OCTAVE BAND DATA — DECIBELS (Lw(A))
Bels — Sound Levels (1 bel = 10 decibels)
UNIT 583B PRESSURE DROP
024-036 0.20
042-060 0.25
UNIT 583B
Frequency (Hz) 024 030 036 042 048 060
63 44.8 48.0 50.0 49.1 51.4 53.7
125 60.4 58.2 60.4 63.9 65.2 62.6
250 58.3 59.2 61.6 65.2 69.7 65.9
500 64.8 65.8 66.9 67.9 72.7 70.6
1000 66.9 67.7 67.8 66.7 72.9 71.6
2000 64.3 64.8 64.6 63.8 69.8 68.2
4000 59.8 61.8 60.7 60.2 65.8 65.8
8000 51.8 53.6 52.8 50.7 57.9 58.3