Bryant 580J manual Cooling Capacities, Stagecooling, Tons

580J

Table 32 – COOLING CAPACITIES								2-STAGE COOLING									15 TONS
										Ambient Temperature
	580J*16D (RTPF)					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	THC	156.6	156.6	175.2	149.4	149.4		169.1	141.6	141.6	160.2	133.3	133.3	150.9
				SHC	134.7	154.9	175.2	129.8	149.4		169.1	123.0	141.6	160.2	115.7	133.3	150.9
			62	THC	166.7	166.7	166.9	158.0	158.0		162.6	147.6	147.6	157.2	136.8	136.8	150.3
Cfm		(wb)		SHC	122.8	144.9	166.9	118.6	140.6		162.6	113.5	135.3	157.2	107.4	128.8	150.3
4500			67	THC	184.1	184.1	184.1	175.6	175.6		175.6	165.6	165.6	165.6	154.5	154.5	154.5
		EAT		SHC	101.6	123.7	145.7	98.1	120.2		142.3	94.0	116.1	138.2	89.4	111.5	133.6
			72	THC	200.3	200.3	200.3	192.0	192.0		192.0	182.9	182.9	182.9	172.2	172.2	172.2
				SHC	78.7	101.1	123.5	75.5	97.9		120.2	72.1	94.4	116.7	68.2	90.5	112.7
			76	THC	-	211.4	211.4	-	203.1		203.1	-	193.8	193.8	-	183.9	183.9
				SHC	-	82.2	107.0	-	79.3		103.8	-	76.0	100.2	-	72.6	96.5
			58	THC	165.2	165.2	186.9	158.2	158.2		179.0	150.0	150.0	169.7	141.3	141.3	160.0
				SHC	143.5	165.2	186.9	137.4	158.2		179.0	130.2	150.0	169.7	122.7	141.3	160.0
			62	THC	172.3	172.3	181.7	163.4	163.4		176.9	153.1	153.1	169.3	143.4	143.4	161.4
5250 Cfm		EAT (wb)		SHC	131.6	156.6	181.7	127.1	152.0		176.9	120.5	144.9	169.3	114.1	137.8	161.4
			67	THC	189.5	189.5	189.5	180.9	180.9		180.9	170.7	170.7	170.7	159.1	159.1	159.1
				SHC	107.2	132.4	157.5	103.8	129.0		154.1	99.9	125.1	150.4	95.3	120.6	145.8
			72	THC	205.0	205.0	205.0	196.5	196.5		196.5	187.1	187.1	187.1	176.4	176.4	176.4
				SHC	80.9	106.1	131.3	77.7	102.9		128.1	74.4	99.5	124.7	70.6	95.8	121.0
			76	THC	-	215.4	215.4	-	206.8		206.8	-	197.1	197.1	-	186.9	186.9
				SHC	-	85.0	113.0	-	82.0		109.8	-	78.8	106.4	-	75.4	102.8
			58	THC	172.7	172.7	195.4	165.5	165.5		187.3	157.1	157.1	177.8	148.1	148.1	167.7
				SHC	150.0	172.7	195.4	143.8	165.5		187.3	136.4	157.1	177.8	128.6	148.1	167.7
			62	THC	176.6	176.6	195.7	168.1	168.1		187.6	158.9	158.9	180.2	148.9	148.9	172.1
6000 Cfm		EAT (wb)		SHC	139.6	167.7	195.7	133.2	160.4		187.6	127.1	153.7	180.2	120.7	146.4	172.1
			67	THC	193.6	193.6	193.6	184.8	184.8		184.8	174.7	174.7	174.7	162.7	162.7	162.7
				SHC	112.3	140.3	168.3	108.9	137.0		165.2	105.2	133.5	161.7	100.7	129.0	157.3
			72	THC	208.4	208.4	208.4	199.6	199.6		199.6	190.2	190.2	190.2	179.5	179.5	179.5
				SHC	82.7	110.5	138.3	79.6	107.3		135.1	76.2	104.0	131.8	72.6	100.6	128.5
			76	THC	-	218.2	218.2	-	209.5		209.5	-	199.5	199.5	-	189.0	189.0
				SHC	-	87.5	118.6	-	84.5		115.2	-	81.1	111.3	-	77.5	107.3
			58	THC	178.8	178.8	202.4	171.6	171.6		194.2	163.1	163.1	184.6	153.8	153.8	174.1
				SHC	155.3	178.8	202.4	149.0	171.6		194.2	141.6	163.1	184.6	133.5	153.8	174.1
			62	THC	181.0	181.0	203.6	173.0	173.0		197.5	163.8	163.8	190.1	153.9	153.9	181.1
6750 Cfm		EAT (wb)		SHC	144.1	173.9	203.6	139.1	168.3		197.5	133.3	161.7	190.1	126.7	153.9	181.1
			67	THC	196.8	196.8	196.8	187.9	187.9		187.9	177.7	177.7	177.7	165.5	165.5	167.9
				SHC	117.0	147.7	178.4	113.7	144.5		175.4	110.1	141.1	172.2	105.6	136.8	167.9
			72	THC	211.0	211.0	211.0	202.2	202.2		202.2	192.5	192.5	192.5	181.8	181.8	181.8
				SHC	84.3	114.5	144.7	81.2	111.5		141.7	77.9	108.1	138.4	74.4	104.9	135.4
			76	THC	-	220.2	220.2	-	211.5		211.5	-	201.3	201.3	-	190.6	190.6
				SHC	-	89.5	122.8	-	86.4		119.4	-	83.0	115.4	-	79.4	111.5
			58	THC	183.9	183.9	208.2	176.6	176.6		199.8	168.2	168.2	190.3	158.6	158.6	179.5
				SHC	159.7	183.9	208.2	153.3	176.6		199.8	146.0	168.2	190.3	137.7	158.6	179.5
			62	THC	185.1	185.1	212.5	177.1	177.1		206.2	168.3	168.3	197.9	158.7	158.7	186.7
Cfm		(wb)		SHC	149.5	181.0	212.5	144.5	175.4		206.2	138.7	168.3	197.9	130.8	158.7	186.7
			67	THC	199.3	199.3	199.3	190.3	190.3		190.3	180.0	180.0	181.7	167.8	167.8	177.8
7500		EAT		SHC	121.3	154.6	187.9	118.1	151.6		185.1	114.4	148.1	181.7	110.1	144.0	177.8
			72	THC	213.0	213.0	213.0	204.1	204.1		204.1	194.2	194.2	194.2	183.5	183.5	183.5
				SHC	85.8	118.2	150.5	82.7	115.2		147.7	79.4	111.9	144.4	76.0	108.8	141.6
			76	THC	-	221.9	221.9	-	213.0		213.0	-	202.7	202.7	-	191.8	191.8
				SHC	-	91.2	126.5	-	88.2		123.1	-	84.7	119.2	-	81.2	115.3

LEGEND
Edb	---	Entering Dry--- Bulb
Ewb	---	Entering Wet--- Bulb
kW	---	Compressor Motor Power Input
Idb	---	Leaving Dry--- Bulb
Iwb	---	Leaving Wet--- Bulb
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:

tldb = tedb –	sensible capacity (Btuh)
	1.10 x cfm

tlwb = Wet--- bulb temperature corresponding to enthalpy of air
leaving evaporator coil (hlwb)
hlwb = hewb –	total capacity (Btuh)
	4.5 x cfm

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