27
TABLE 13 – COOLING CAPACITIES 1--STAGE COOLING 4 TONS
581J*05A
AMBIENT TEMPERATU RE
85 95 105 115 125
EA (dB) EA (dB) EA (dB) EA (dB) EA (dB)
75 80 85 75 80 85 75 80 85 75 80 85 75 80 85
1200
Cfm
EA
(wb)
58
TC 43.2 43.2 49.1 41.5 41.5 47.2 39.7 39.7 45.1 37.7 37.7 42.9 35.6 35.6 40.4
SHC 37.3 43.2 49.1 35.9 41.5 47.2 34.3 39.7 45.1 32.6 37.7 42.9 30.7 35.6 40.4
62
TC 45.9 45.9 46.0 43.7 43.7 45.0 41.3 41.3 43.8 38.8 38.8 42.6 36.0 36.0 41.2
SHC 33.5 39.8 46.0 32.5 38.7 45.0 31.3 37.6 43.8 30.1 36.3 42.6 28.8 35.0 41.2
67
TC 50.5 50.5 50.5 48.0 48.0 48.0 45.4 45.4 45.4 42.6 42.6 42.6 39.6 39.6 39.6
SHC 27.9 34.1 40.4 26.8 33.1 39.4 25.7 32.0 38.2 24.5 30.8 37.1 23.2 29.5 35.8
72
TC 55.4 55.4 55.4 52.7 52.7 52.7 49.9 49.9 49.9 46.8 46.8 46.8 43.5 43.5 43.5
SHC 22.0 28.4 34.7 21.0 27.3 33.7 19.9 26.2 32.5 18.7 25.0 31.3 17.4 23.8 30.1
78
TC --- 59.7 59.7 --- 56.8 56.8 --- 53.7 53.7 --- 50.4 50.4 --- 46.8 46.8
SHC --- 23.6 30.2 --- 22.6 29.2 --- 21.5 28.1 --- 20.3 26.8 --- 19.1 25.5
1400
Cfm
EA
(wb)
58
TC 45.6 45.6 51.9 43.8 43.8 49.8 41.9 41.9 47.6 39.7 39.7 45.1 37.3 37.3 42.4
SHC 39.4 45.6 51.9 37.9 43.8 49.8 36.2 41.9 47.6 34.3 39.7 45.1 32.3 37.3 42.4
62
TC 47.4 47.4 50.5 45.1 45.1 49.3 42.6 42.6 48.0 40.0 40.0 46.5 37.4 37.4 44.2
SHC 36.0 43.2 50.5 34.9 42.1 49.3 33.7 40.9 48.0 32.4 39.5 46.5 30.6 37.4 44.2
67
TC 52.1 52.1 52.1 49.5 49.5 49.5 46.7 46.7 46.7 43.7 43.7 43.7 40.5 40.5 40.5
SHC 29.5 36.8 44.0 28.4 35.7 42.9 27.3 34.5 41.8 26.0 33.3 40.5 24.7 32.0 39.2
72
TC 57.1 57.1 57.1 54.3 54.3 54.3 51.2 51.2 51.2 48.0 48.0 48.0 44.5 44.5 44.5
SHC 22.8 30.1 37.4 21.7 29.0 36.3 20.5 27.8 35.1 19.3 26.6 33.9 18.0 25.3 32.6
78
TC --- 61.4 61.4 --- 58.3 58.3 --- 55.1 55.1 --- 51.6 51.6 --- 47.8 47.8
SHC --- 24.6 32.2 --- 23.5 31.1 --- 22.4 29.9 --- 21.2 28.7 --- 19.9 27.4
1600
Cfm
EA
(wb)
58
TC 47.7 47.7 54.2 45.8 45.8 52.0 43.7 43.7 49.6 41.3 41.3 47.0 38.8 38.8 44.1
SHC 41.2 47.7 54.2 39.5 45.8 52.0 37.7 43.7 49.6 35.7 41.3 47.0 33.5 38.8 44.1
62
TC 48.7 48.7 54.5 46.3 46.3 53.2 43.7 43.7 51.7 41.4 41.4 48.9 38.8 38.8 45.9
SHC 38.3 46.4 54.5 37.1 45.2 53.2 35.8 43.7 51.7 33.9 41.4 48.9 31.8 38.8 45.9
67
TC 53.3 53.3 53.3 50.6 50.6 50.6 47.7 47.7 47.7 44.6 44.6 44.6 41.2 41.2 42.6
SHC 31.0 39.2 47.5 29.9 38.1 46.3 28.7 37.0 45.2 27.5 35.7 43.9 26.2 34.4 42.6
72
TC 58.4 58.4 58.4 55.4 55.4 55.4 52.3 52.3 52.3 48.9 48.9 48.9 45.2 45.2 45.2
SHC 23.4 31.7 39.9 22.3 30.6 38.8 21.1 29.4 37.6 19.9 28.2 36.4 18.6 26.8 35.1
78
TC --- 62.7 62.7 --- 59.5 59.5 --- 56.1 56.1 --- 52.5 52.5 --- 48.6 48.6
SHC --- 25.5 34.0 --- 24.4 32.9 --- 23.2 31.7 --- 22.0 30.4 --- 20.7 29.1
1800
Cfm
EA
(wb)
58
TC 49.5 49.5 56.2 47.4 47.4 53.9 45.2 45.2 51.3 42.7 42.7 48.5 40.1 40.1 45.5
SHC 42.8 49.5 56.2 41.0 47.4 53.9 39.0 45.2 51.3 36.9 42.7 48.5 34.6 40.1 45.5
62
TC 49.8 49.8 58.1 47.5 47.5 56.1 45.2 45.2 53.4 42.8 42.8 50.5 40.1 40.1 47.4
SHC 40.4 49.2 58.1 38.8 47.5 56.1 37.0 45.2 53.4 35.0 42.8 50.5 32.8 40.1 47.4
67
TC 54.3 54.3 54.3 51.5 51.5 51.5 48.5 48.5 48.5 45.3 45.3 47.1 41.8 41.8 45.7
SHC 32.5 41.7 50.8 31.4 40.5 49.7 30.2 39.3 48.5 28.9 38.0 47.1 27.5 36.6 45.7
72
TC 59.4 59.4 59.4 56.3 56.3 56.3 53.1 53.1 53.1 49.6 49.6 49.6 45.8 45.8 45.8
SHC 24.0 33.2 42.4 22.9 32.1 41.3 21.7 30.9 40.1 20.4 29.6 38.8 19.1 28.3 37.5
78
TC --- 63.8 63.8 --- 60.5 60.5 --- 57.0 57.0 --- 53.2 53.2 --- 49.2 49.2
SHC --- 26.3 35.8 --- 25.2 34.6 --- 24.0 33.4 --- 22.8 32.1 --- 21.5 30.8
2000
Cfm
EA
(wb)
58
TC 51.0 51.0 58.0 48.8 48.8 55.5 46.5 46.5 52.8 43.9 43.9 49.9 41.1 41.1 46.7
SHC 44.1 51.0 58.0 42.2 48.8 55.5 40.2 46.5 52.8 37.9 43.9 49.9 35.5 41.1 46.7
62
TC 51.1 51.1 60.4 48.9 48.9 57.8 46.5 46.5 55.0 44.0 44.0 51.9 41.1 41.1 48.6
SHC 41.8 51.1 60.4 40.0 48.9 57.8 38.1 46.5 55.0 36.0 44.0 51.9 33.7 41.1 48.6
67
TC 55.1 55.1 55.1 52.1 52.1 52.9 49.1 49.1 51.6 45.8 45.8 50.2 42.3 42.3 48.7
SHC 33.9 44.0 54.1 32.7 42.8 52.9 31.5 41.5 51.6 30.2 40.2 50.2 28.8 38.8 48.7
72
TC 60.3 60.3 60.3 57.1 57.1 57.1 53.7 53.7 53.7 50.1 50.1 50.1 46.3 46.3 46.3
SHC 24.5 34.7 44.8 23.4 33.5 43.6 22.2 32.3 42.4 21.0 31.1 41.2 19.6 29.7 39.8
78
TC --- 64.6 64.6 --- 61.2 61.2 --- 57.6 57.6 --- 53.8 53.8 --- 49.7 49.7
SHC --- 27.1 37.5 --- 26.0 36.3 --- 24.8 35.1 --- 23.5 33.8 --- 22.2 32.4
LEGEND:
--- --- D o n o t o p e r a t e
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
581J