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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$er Outdoor-Air Leakage
0.25
0.20
0.15
0.10
0.05
0.00
0
500
1000
1500 2000
FLOW (CFM)
STATIC PRESSURE (in. wg)
3 TO 6 TON
7 1/2 TO 12 1/2 TON
EconoMi$er Barometric Flow
0.25
0.20
0.15
0.10
0.05
0.00
1200
2000
2800
3600 4400
FLOW (CFM)
STATIC 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
0TFQ004-012
558F036-150