Bryant 581A/B manual General Notes for FAN Performance Data Tables, Outdoor Sound Power Total Unit

580F036-151

PERFORMANCE DATA (cont)

GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES

1.	Values include losses for filters, unit casing, and wet coils. See this		affected. See Evaporator-Fan Motor Performance table on page 73
	page for accessory/FIOP static pressure information.		for additional information.
2.	Extensive motor and electrical testing on these units ensures that	3.	Use of a field-supplied motor may affect wire sizing. Contact your
	the full range of the motor can be utilized with confidence. Using fan		Bryant representative for details.
	motors up to the wattage ratings shown will not result in nuisance	4.	Interpolation is permissible. Do not extrapolate. (Belt drive units
	tripping or premature motor failure. Unit warranty will not be		only.)

OUTDOOR SOUND POWER (Total Unit)

	SOUND	A-WEIGHTED				OCTAVE BANDS
UNIT 580F	RATING
		(dB)	63	125	250	500	1000	2000	4000	8000
	60 Hz (dB)
036-072	81	80.5	56.8	75.8	72.4	72.9	74.8	75.4	71.3	69.1
073	80	80.0	59.1	68.9	68.7	71.9	74.0	68.9	65.7	59.0
090	87	86.4	83.2	87.4	83.5	82.8	83.0	77.7	71.8	67.0
091, 103	82	82.0	62.2	69.3	71.5	74.7	76.2	72.9	68.7	61.5
120	88	87.6	97.6	90.4	85.7	84.8	83.9	77.5	71.3	65.8
121	84	84.0	64.6	71.7	73.3	76.9	77.6	73.7	70.6	63.7
150	87	86.4	83.7	87.2	83.4	82.8	83.0	77.7	71.8	67.0
151	86	86.0	63.7	69.9	72.5	78.2	81.1	77.3	73.3	66.8

NOTE: Indoor sound power is available in Bryant’s Electronic Catalog program (ECAT) for specific operating parameters.

ACCESSORY/FIOP ECONOMIZER IV AND ECONOMI$ER2 STATIC PRESSURE* (in. wg) — 580F036-073

COMPONENT					CFM
	1250	1500	1750	2000		2250	2500	2750	3000
Vertical EconoMi$er IV and EconoMi$er2	0.045	0.065	0.08	0.12		0.145	0.175	0.22	0.255
Horizontal EconoMi$er IV and EconoMi$er2	—	—	0.1	0.125		0.15	0.18	0.225	0.275
LEGEND			*The static pressure must be added to external static pressure. The
FIOP — Factory-Installed Option			sum and the evaporator entering-air cfm should be used in conjunction
			with the Fan Performance tables to determine indoor blower rpm and

watts.

ACCESSORY/FIOP ECONOMISER IV AND ECONOMI$ER2 STATIC PRESSURE* (in. wg) — 580F090-151

COMPONENT							CFM
	2250	2500	2750	3000	3250	3500	3750	4000	4250	4500	4750	5000	5250	6250
Vertical EconoMi$er IV	0.06	0.075	0.09	0.115	0.13	0.15	0.17	0.195	0.22	0.25	0.285	0.325	0.36	—
and EconoMi$er2
Horizontal EconoMi$er IV	—	0.1	0.125	0.15	0.18	0.21	0.25	0.275	0.3	0.34	0.388	—	—	—
and EconoMi$er2

LEGEND

FIOP — Factory-Installed Option

*The static pressure must be added to external static pressure. The sum and the evaporator entering-air cfm should then be used in con- junction with the Fan Performance tables to determine blower rpm and watts.

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