Bryant 551A, User Manual

Page: 96 / 170

96
PERFORMANCE DATA (cont)
OUTDOOR SOUND POWER (TOTAL UNIT)
LEGEND
UNIT
551B ARI RATING
(dB)
OCTAVE BANDS
63 125 250 500 1000 2000 4000 8000
036,048 76 55.9 66.0 64.0 66.2 68.4 64.5 61.7 57.3
060,072 80 59.1 68.9 68.7 71.9 74.0 68.9 65.7 59.0
090,102 82 62.2 69.3 71.5 74.7 76.2 72.9 68.7 61.5
120 84 64.6 71.1 73.3 76.9 77.6 73.7 70.6 63.7
150 86 63.7 69.9 72.5 78.2 81.1 77.3 73.3 66.8
ARI — Air Conditioning and Refrigeration Institute
dB — Sound Levels (decibels)
50
40
30
20
10
0
0 0.25 0.5 0.75 1
FLOW (CFM)
STATIC PRESSURE (in. wg)
3 TO 6 TON
7 1/2 TO 12 1/2 TON
0.25
0.20
0.15
0.10
0.05
0.00
1200 2000 2800 3600 4400
FLOW (CFM)
ST
A
TIC PRESSURE (in. wg)
3 TO 6 TON
7 1/2 TO 12 1/2 TON
0.35
0.30
Vertical EconoMi$er Outdoor-Air Leakage Vertical EconoMi$er Return-Air Pressure Drop
3 TO 6 TON
7 1/2 TO 12 1/2 TON
80
60
40
20
0
0.00 0.10 0.20 0.30 0.40 0.50
STATIC PRESSURE (in. wg)
FLOW (CFM)
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0 1000 2000 3000 4000 5000
FLOW (CFM)
ST
A
TIC PRESSURE (in. wg)
3 TO 6 TON
7 1/2 TO 12 1/2 TON
Horizontal EconoMi$er Outdoor-Air Leakage
Horizontal EconoMi$er Return-Air Pressure Drop
0
T
F
Q
0
04
-0
12
55
1B0
3
6-
15
0