Bryant 551A, 551B OUTDOOR SOUND DATA Total Unit, Evaporator-Fan Motor Efficiency, 558F036-150

558F036-150

PERFORMANCE DATA (cont)

OUTDOOR SOUND DATA (Total Unit)

UNIT		SOUND RATING	A-WEIGHTED				SOUND POWER
							Octave Bands
558F		(dB)	(dB)
				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
	LEGEND

dB — Sound Levels (decibels)

EVAPORATOR-FAN MOTOR EFFICIENCY

UNIT 558F	MOTOR EFFICIENCY (%)
036,048	75
060	74/84*
072,073	84
090-121	80
150	87

*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.

	50
	40
(CFM)	30
FLOW	20
	10
	0
	0	0.25	0.5	0.75	1
	3 TO 6 TON		STATIC PRESSURE (in. wg)
	7 1/2 TO 12 1/2 TON

	2500
(cfm)	2000
	1500
FLOW	1000
	500
	0
	0	0.1	0.2	0.3	0.4	0.5

STATIC PRESSURE (in. wg)

2 FANS OPERATING

1 FAN OPERATING

EconoMi$er Outdoor-Air Leakage

	0.25
wg)	0.20
(in.
PRESSURE	0.15
	0.10

EconoMi$er Power Exhaust Performance

(558F036-073)

STATIC 0.05

	5000
(cfm)	4000
	3000
FLOW
	2000
	1000
	0
	0	0.1	0.2	0.3	0.4	0.5

STATIC PRESSURE (in. wg)

2 FANS OPERATING

1 FAN OPERATING

0.00
0	500	1000	1500	2000
3 TO 6 TON		FLOW (CFM)
7 1/2 TO 12 1/2 TON

EconoMi$er Barometric Flow

	0.35
wg)	0.30

EconoMi$er Power Exhaust Performance

(558F090-150)

(in.	0.25
PRESSURE
	0.20
	0.15
STATIC	0.10
	0.05
	0.00
	1200		2000	2800	3600	4400
		3 TO 6 TON		FLOW (CFM)
		7 1/2 TO 12 1/2 TON

EconoMi$er Return-Air Pressure Drop

62