Bryant 581A/B manual Cooling CAPACITIES, Standard Units, 150

PERFORMANCE DATA

COOLING CAPACITIES, STANDARD UNITS

	581B036 (3 TONS)
	Temp (F)						Air Entering Evaporator — Cfm/BF
	Air Ent				900/0.14			1200/0.17			1500/0.20
	Condenser						Air Entering Evaporator — Ewb
		(Edb)
				72	67	62	72	67	62	72	67	62
			TC	41.9	38.7	35.7	43.5	40.8	37.7	44.8	41.8	39.0
	75		SHC	20.4	25.2	29.7	21.8	28.2	33.8	23.3	30.7	37.0
			kW	2.19	2.16	2.12	2.21	2.18	2.15	2.23	2.19	2.16
			TC	40.7	37.5	34.5	42.1	39.3	36.4	43.5	40.4	37.6
	85		SHC	19.9	24.7	29.2	21.5	27.7	33.2	23.2	30.3	36.4
			kW	2.46	2.42	2.39	2.47	2.44	2.41	2.50	2.45	2.42
	95		TC	39.3	36.1	33.1	40.8	37.8	34.9	42.0	38.9	36.1
			SHC	19.5	24.1	28.4	21.1	27.2	32.5	22.8	29.9	35.6
			kW	2.75	2.71	2.66	2.77	2.73	2.69	2.79	2.74	2.71
			TC	37.7	34.6	31.7	39.3	36.2	33.4	40.1	37.2	34.7
	105		SHC	18.8	23.5	27.8	20.7	26.6	31.8	22.1	29.3	34.7
150			kW	3.06	3.02	2.98	3.09	3.04	3.01	3.10	3.06	3.03
			TC	36.0	33.0	29.7	37.4	34.5	31.5	38.1	35.5	33.2
581B036-	115		SHC	18.3	22.9	26.7	19.9	26.1	30.9	21.3	28.7	33.2
			kW	3.41	3.36	3.31	3.43	3.39	3.34	3.44	3.41	3.37
			TC	34.2	31.3	27.8	35.6	32.7	29.4	36.3	33.6	31.9
	125		SHC	17.6	22.2	25.8	19.4	25.4	29.4	20.8	28.0	31.8
			kW	3.78	3.73	3.66	3.80	3.76	3.71	3.81	3.78	3.75
	581B048 (4 TONS)
	Temp (F)							Air Entering Evaporator — Cfm/BF
	Air Ent				1200/0.17			1450/0.19			1600/0.21			2000/0.24
	Condenser							Air Entering Evaporator — Ewb (F)
		(Edb)
				72	67	62	72	67	62	72	67	62	72	67	62
			TC	54.0	50.7	44.2	55.9	52.2	47.7	56.4	52.8	49.1	58.1	54.5	50.6
	75		SHC	26.1	32.7	37.5	27.6	35.1	41.8	28.2	36.2	43.8	30.2	39.5	47.5
			kW	2.81	2.80	2.76	2.83	2.81	2.78	2.83	2.80	2.79	2.84	2.82	2.79
			TC	52.2	48.9	41.9	54.1	50.4	45.9	54.5	51.0	47.2	55.3	52.3	48.7
	85		SHC	25.4	32.0	36.4	26.9	34.5	40.8	27.5	35.7	42.8	28.6	38.5	46.6
			kW	3.20	3.19	3.15	3.22	3.20	3.17	3.22	3.20	3.18	3.22	3.20	3.18
	95		TC	50.7	46.9	39.5	51.9	48.4	43.5	52.5	48.9	45.2	53.9	50.1	46.7
			SHC	24.9	31.1	35.0	26.1	33.6	39.6	26.8	34.7	41.8	28.8	37.5	45.6
			kW	3.64	3.61	3.57	3.65	3.62	3.60	3.65	3.62	3.60	3.67	3.63	3.61
			TC	48.8	44.5	36.7	49.8	46.2	40.7	50.2	46.7	42.1	51.5	48.2	44.7
	105		SHC	24.3	30.2	33.6	25.3	32.8	38.2	26.0	33.9	40.3	27.9	37.4	44.4
			kW	4.12	4.09	4.03	4.12	4.09	4.06	4.12	4.09	4.07	4.14	4.11	4.08
			TC	46.5	41.1	34.3	47.7	43.3	37.0	48.0	44.4	38.5	48.9	45.7	42.0
	115		SHC	23.4	28.9	32.4	24.9	31.8	36.3	25.4	33.4	38.3	27.1	36.9	42.0
			kW	4.64	4.59	4.53	4.65	4.62	4.55	4.64	4.63	4.56	4.65	4.63	4.60
			TC	43.8	37.5	32.4	45.1	39.0	33.8	45.3	40.1	35.4	46.3	42.6	38.8
	125		SHC	22.5	27.4	31.5	24.1	30.2	33.7	24.7	31.9	35.4	26.5	35.9	38.8
			kW	5.19	5.13	5.05	5.20	5.15	5.09	5.19	5.17	5.11	5.20	5.19	5.15
	581B060 (5 TONS)
	Temp (F)							Air Entering Evaporator — Cfm/BF
	Air Ent				1500/0.08			1750/0.09			2000/0.11			2500/0.13
	Condenser							Air Entering Evaporator — Ewb (F)
		(Edb)
				72	67	62	72	67	62	72	67	62	72	67	62
			TC	70.8	65.4	58.5	72.5	67.3	61.1	73.0	68.4	62.8	74.8	70.3	64.8
	75		SHC	34.1	42.7	49.9	35.7	45.5	54.2	36.8	48.0	57.8	39.6	53.0	63.4
			kW	3.53	3.49	3.44	3.55	3.50	3.46	3.55	3.51	3.47	3.57	3.54	3.48
			TC	68.9	63.2	55.3	70.5	65.1	57.9	72.2	66.4	60.2	73.2	68.1	62.9
	85		SHC	33.5	41.8	48.4	35.0	44.8	52.8	37.0	47.6	56.8	39.3	52.5	62.4
			kW	3.98	3.94	3.87	4.00	3.96	3.90	4.03	3.97	3.92	4.04	3.99	3.94
	95		TC	66.8	60.6	52.4	68.3	62.5	54.3	69.3	63.8	56.6	71.2	65.6	60.6
			SHC	32.8	40.7	47.0	34.5	43.8	51.1	36.0	46.7	55.0	39.1	51.8	60.5
			kW	4.48	4.43	4.35	4.50	4.45	4.37	4.51	4.46	4.40	4.55	4.48	4.44
			TC	64.3	57.7	49.9	65.9	59.8	51.7	66.9	61.1	54.1	68.4	62.8	58.4
	105		SHC	32.0	39.6	45.8	33.7	42.8	49.7	35.3	45.7	53.5	38.4	51.0	58.4
			kW	5.03	4.96	4.87	5.05	4.99	4.90	5.06	5.00	4.93	5.08	5.02	4.98
			TC	61.5	54.8	47.3	62.8	56.7	49.1	64.0	58.2	51.6	65.4	59.9	56.1
	115		SHC	31.0	38.4	44.5	32.5	41.6	48.2	34.4	44.6	51.6	37.4	50.0	56.1
			kW	5.61	5.55	5.46	5.62	5.58	5.49	5.65	5.60	5.52	5.67	5.61	5.57
			TC	58.7	51.6	44.5	59.9	53.4	46.2	60.8	54.9	49.0	62.2	56.8	53.5
	125		SHC	30.0	37.2	43.1	31.7	40.4	46.2	33.3	43.4	48.9	36.4	48.9	53.4
			kW	6.27	6.19	6.09	6.28	6.21	6.13	6.29	6.24	6.17	6.31	6.27	6.22

	Standard Ratings
		LEGEND
BF	—	Bypass Factor
Edb	—	Entering Dry Bulb
Ewb	—	Entering Wet Bulb
kW	— Compressor Motor Power Input
SHC	— Sensible Heat Capacity (1000 Btuh) Gross
TC	—	Total Capacity (1000 Btuh) Gross

NOTES:

1.Direct interpolation is permissible. Do not extrapolate.

2.The following formulas may be used:

t		=	t	–	sensible capacity (Btuh)
ldb			edb		1.10 x cfm
tlwb		= Wet-bulb temperature corresponding to enthalpy of air leaving
			evaporator coil (hlwb)
h	lwb	=	h	–	total capacity (Btuh)
			ewb		4.5 x cfm

Where: hewb = Enthalpy of air entering evaporator coil.

3.The SHC is based on 80 F edb temperature of air entering evaporator coil. Below 80 F edb, subtract (corr factor x cfm) from SHC.

Above 80 F edb, add (corr factor x cfm) to SHC. Correction Factor = 1.10 x (1 – BF) x (edb – 80).

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