Bryant 581B036--072, 581C024--060 581B Fan Rpm at Motor Pulley Setting With High-Static Motor

Table 8—581B and 581C Fan Rpm at Motor Pulley Setting With Standard Motor*

UNIT					MOTOR PULLEY TURNS OPEN
	0	1/	1	11/	2	21/	3	31/	4	41/	5	51/	6
		2		2		2		2		2		2
024	936	906	876	846	816	786	756	726	696	666	639	—	—
036	1044	1008	971	935	898	862	826	789	753	716	680	—	—
048	1185	1144	1102	1061	1019	978	936	895	853	812	770	—	—
060	1460	1425	1389	1354	1318	1283	1248	1212	1177	1141	1106	1070	1035
072	1585	1538	1492	1445	1399	1352	1305	1259	1212	1166	1119	—	—

*Approximate fan rpm shown (standard motor/drive).

Table 9—581B Fan Rpm at Motor Pulley Setting With High-Static Motor*

UNIT						MOTOR PULLEY TURNS OPEN
	0	1/	1	11/	2		21/	3	31/	4	41/	5	51/	6
		2		2			2		2		2		2
036	1455	1423	1392	1360	1328		1297	1265	1233	1202	1170	1138	1107	1075
048	1455	1423	1392	1360	1328		1297	1265	1233	1202	1170	1138	1107	1075
060	1685	1589	1557	1525	1493		1460	1428	1396	1364	1332	1300	—	—
072	1685	1589	1557	1525	1493		1460	1428	1396	1364	1332	1300	—	—

*Approximate fan rpm shown (high-static motor/drive).

Table 10—Evaporator-Fan Motor Data — Standard Motor

UNIT	UNIT	MAXIMUM	MAXIMUM		MAXIMUM
581B				UNIT VOLTAGE
	PHASE	CONTINUOUS BHP*	OPERATING WATTS*		AMP DRAW
581C
024	Single	0.58	580	208/230	2.0
	Single	1.20	1000	208/230	4.9
036				208/230	4.9
	Three	1.20	1000	460	2.2
				575	2.2
	Single	1.20	1000	208/230	4.9
048				208/230	4.9
	Three	1.20	1000	460	2.2
				575	2.2
	Single	1.30	1455	208/230	7.0
060				208/230	6.7
	Three	2.40	2120	460	3.0
				575	3.0
072				208/230	6.7
	Three	2.40	2120	460	3.0
				575	3.0

LEGEND

Bhp — Brake Horsepower

*Extensive motor and electrical testing on these units ensures that the full horsepower and watts range of the motors can be utilized with confidence. Using the fan motors up to the ratings shown in this table will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.

581B,C

Table 11—Accessory Static Pressure

COMPONENT					CFM
	600	800	1000	1250	1500	1750	2000	2250	2500	2750	3000
Vertical EconoMi$er IV	0.010	0.020	0.035	0.045	0.065	0.080	0.120	0.145	0.175	0.220	0.255
Horizontal EconoMi$er IV	—	—	—	—	—	0.100	0.125	0.150	0.180	0.225	0.275

Table 12—Evaporator-Fan Motor Data — High-Static Motors

UNIT	UNIT	MAXIMUM	MAXIMUM	UNIT VOLTAGE	MAXIMUM
581B	PHASE	CONTINUOUS BHP*	OPERATING WATTS*		AMP DRAW
036				208/230	6.7
	Three	2.40	2120	460	3.0
				575	3.0
048				208/230	6.7
	Three	2.40	2120	460	3.0
				575	3.0
060				208/230	8.6
	Three	2.90	2615	460	3.9
				575	3.9
072				208/230	8.6
	Three	2.90	2615	460	3.9
				575	3.9

LEGEND

Bhp — Brake Horsepower

*Extensive motor and electrical testing on these units ensures that the full horsepower and watts range of the motors can be utilized with confidence. Using the fan motors up to the ratings shown in this table will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.

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