Bryant 548J manual Cooling Capacities, Stagecooling, Tons

548J

Table 12 – COOLING CAPACITIES									2-STAGE COOLING									7.5 TONS
											AMBIENT TEMPERATURE
		548J*08				85				95				105				115
							EA (dB)				EA (dB)				EA (dB)				EA (dB)
					75		80	85	75		80	85	75		80	85	75		80	85
			58	TC	77.4		77.4	87.8	74.1		74.1	84.1	69.8		69.8	79.2	65.2		65.2	74.1
				SHC	66.9		77.4	87.8	64.0		74.1	84.1	60.3		69.8	79.2	56.4		65.2	74.1
			62	TC	81.8		81.8	83.7	77.2		77.2	81.4	71.9		71.9	78.9	66.6		66.6	75.9
2250Cfm	(wb)EAT			SHC	60.6		72.1	83.7	58.4		69.9	81.4	55.9		67.4	78.9	53.2		64.5	75.9
			67	TC	90.6		90.6	90.6	86.0		86.0	86.0	80.8		80.8	80.8	75.1		75.1	75.1
				SHC	50.4		62.0	73.5	48.4		60.0	71.6	46.2		57.8	69.3	43.9		55.4	67.0
			72	TC	99.4		99.4	99.4	94.7		94.7	94.7	89.5		89.5	89.5	83.8		83.8	83.8
				SHC	39.6		51.3	62.9	37.7		49.4	61.0	35.8		47.4	59.0	33.6		45.2	56.8
			76	TC	---		105.7	105.7	---		100.8	100.8	---		95.5	95.5	---		89.7	89.7
				SHC	---		42.1	54.5	---		40.4	52.8	---		38.6	50.9	---		36.5	48.8
			58	TC	81.8		81.8	92.8	78.0		78.0	88.6	74.1		74.1	84.2	69.5		69.5	78.9
				SHC	70.7		81.8	92.8	67.5		78.0	88.6	64.1		74.1	84.2	60.1		69.5	78.9
			62	TC	84.7		84.7	91.7	79.9		79.9	89.2	75.2		75.2	86.2	69.8		69.8	81.6
Cfm	(wb)			SHC	65.2		78.5	91.7	62.9		76.1	89.2	60.3		73.3	86.2	56.8		69.2	81.6
2625			67	TC	93.4		93.4	93.4	88.6		88.6	88.6	83.2		83.2	83.2	77.4		77.4	77.4
	EAT			SHC	53.4		66.7	80.1	51.4		64.7	78.1	49.2		62.5	75.9	46.8		60.2	73.5
			72	TC	101.9		101.9	101.9	97.1		97.1	97.1	91.8		91.8	91.8	86.0		86.0	86.0
				SHC	40.8		54.1	67.5	38.9		52.3	65.6	36.9		50.3	63.6	34.8		48.1	61.5
			76	TC	---		107.7	107.7	---		102.6	102.6	---		97.2	97.2	---		91.2	91.2
				SHC	---		43.7	58.1	---		41.9	56.0	---		39.9	53.9	---		37.9	51.6
			58	TC	85.6		85.6	97.2	81.8		81.8	92.9	77.6		77.6	88.0	72.9		72.9	82.8
				SHC	74.1		85.6	97.2	70.7		81.8	92.9	67.1		77.6	88.0	63.0		72.9	82.8
			62	TC	87.0		87.0	98.9	82.5		82.5	95.4	78.0		78.0	90.5	73.3		73.3	85.6
Cfm	(wb)			SHC	69.4		84.1	98.9	66.6		81.0	95.4	63.1		76.8	90.5	59.6		72.6	85.6
3000			67	TC	95.5		95.5	95.5	90.5		90.5	90.5	85.1		85.1	85.1	79.0		79.0	79.6
	EAT			SHC	56.1		71.2	86.2	54.1		69.2	84.2	51.9		67.0	82.1	49.5		64.6	79.6
			72	TC	103.8		103.8	103.8	98.8		98.8	98.8	93.4		93.4	93.4	87.5		87.5	87.5
				SHC	41.8		56.7	71.6	39.9		54.8	69.8	37.9		52.9	67.8	35.8		50.7	65.7
			76	TC	---		109.1	109.1	---		104.0	104.0	---		98.3	98.3	---		92.2	92.2
				SHC	---		44.9	60.6	---		43.1	58.6	---		41.1	56.4	---		39.0	54.2
			58	TC	88.9		88.9	100.9	84.9		84.9	96.4	80.5		80.5	91.4	75.7		75.7	86.0
				SHC	76.9		88.9	100.9	73.4		84.9	96.4	69.6		80.5	91.4	65.5		75.7	86.0
			62	TC	89.6		89.6	103.8	85.1		85.1	100.4	81.0		81.0	94.1	75.8		75.8	89.5
Cfm	(wb)			SHC	72.4		88.1	103.8	69.7		85.0	100.4	65.6		79.8	94.1	62.1		75.8	89.5
3375			67	TC	97.1		97.1	97.1	92.1		92.1	92.1	86.5		86.5	87.9	80.3		80.3	85.4
	EAT			SHC	58.7		75.3	92.0	56.7		73.4	90.1	54.5		71.2	87.9	52.0		68.7	85.4
			72	TC	105.2		105.2	105.2	100.0		100.0	100.0	94.5		94.5	94.5	88.5		88.5	88.5
				SHC	42.6		59.0	75.3	40.7		57.1	73.5	38.8		55.2	71.6	36.6		53.1	69.5
			76	TC	---		110.1	110.1	---		105.0	105.0	---		99.2	99.2	---		92.9	92.9
				SHC	---		45.9	62.8	---		44.1	60.9	---		42.1	58.7	---		40.0	56.4
			58	TC	91.6		91.6	104.0	87.5		87.5	99.4	83.0		83.0	94.3	78.1		78.1	88.7
				SHC	79.2		91.6	104.0	75.7		87.5	99.4	71.8		83.0	94.3	67.6		78.1	88.7
			62	TC	91.7		91.7	108.3	87.7		87.7	103.5	83.1		83.1	98.1	78.2		78.2	92.3
Cfm	(wb)			SHC	75.2		91.7	108.3	71.8		87.7	103.5	68.1		83.1	98.1	64.1		78.2	92.3
3750			67	TC	98.4		98.4	98.4	93.3		93.3	95.6	87.7		87.7	93.4	81.5		81.5	90.9
	EAT			SHC	61.1		79.3	97.5	59.1		77.3	95.6	56.9		75.2	93.4	54.5		72.7	90.9
			72	TC	106.2		106.2	106.2	101.0		101.0	101.0	95.4		95.4	95.4	89.3		89.3	89.3
				SHC	43.4		61.1	78.8	41.5		59.2	76.9	39.5		57.3	75.0	37.4		55.2	73.0
			76	TC	---		111.0	111.0	---		105.8	105.8	---		99.8	99.8	---		93.5	93.5
				SHC	---		46.8	64.9	---		45.1	63.1	---		43.0	60.8	---		40.9	58.4

LEGEND

------ Do not operate in this region

Cfm	--- Cubic feet per minute (supply air)
EAT(db)	--- Entering air temperature (dry bulb)
EAT(wb)	--- Entering air temperature (wet bulb)
SHC	---	Sensible heat capacity
TC	---	Total capacity

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