62 performance data (cont) – Bryant DURAPAC 551B User Manual
Page 62
62
PERFORMANCE DATA (cont)
OUTDOOR SOUND DATA (Total Unit)
LEGEND
dB — Sound Levels (decibels)
EVAPORATOR-FAN MOTOR EFFICIENCY
*Single-phase/three-phase.
NOTE: All indoor fan motors 5 Hp and larger meet the minimum effi-
ciency requirements as established by the Energy Policy Act of 1992
(EPACT) effective October 24, 1997.
UNIT
558F
SOUND RATING
(dB)
A-WEIGHTED
(dB)
SOUND POWER
Octave Bands
63
125
250
500
1000
2000
4000
8000
036-073
81
80.5
56.8
75.8
72.4
72.9
74.8
75.4
71.3
69.1
090-102
87
86.4
83.2
87.4
83.5
82.8
83.0
77.7
71.8
67.0
120,121
88
87.6
97.6
90.4
85.7
84.8
83.9
77.5
71.3
65.8
150
87
86.4
83.7
87.2
83.4
82.8
83.0
77.7
71.8
67.0
UNIT 558F
MOTOR EFFICIENCY (%)
036,048
75
060
74/84*
072,073
84
090-121
80
150
87
FLOW (cfm)
0
0.1
0.2
0.3
0.4
0.5
STATIC PRESSURE (in. wg)
2 FANS
OPERATING
1 FAN
OPERATING
2500
2000
1500
1000
500
0
5000
4000
3000
2000
1000
0
0
0.1
0.2
0.3
0.4
0.5
STATIC PRESSURE (in. wg)
FLOW (cfm)
2 FANS
OPERATING
1 FAN
OPERATING
EconoMi$er Power Exhaust Performance
(558F036-073)
EconoMi$er Power Exhaust Performance
(558F090-150)
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
EconoMi$er Outdoor-Air Leakage
0.25
0.20
0.15
0.10
0.05
0.00
0
500
1000
1500
2000
FLOW (CFM)
ST
A
TIC PRESSURE (in. wg)
3 TO 6 TON
7 1/2 TO 12 1/2 TON
EconoMi$er Barometric Flow
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
EconoMi$er Return-Air Pressure Drop
0TF
Q
00
4-
01
2
55
8F0
36-
15
0