26
Table 8 – COOLING CAPACITIES 1--STAGE COOLING 3 TONS
548J*04
AMBIENT TEMPERATURE
85 95 105 115
EA (dB) EA (dB) EA (dB) EA (dB)
75 80 85 75 80 85 75 80 85 75 80 85
900 Cfm
EAT (wb)
58
THC 31.4 31.4 35.7 29.6 29.6 33.6 27.6 27.6 31.5 25.6 25.6 29.1
SHC 27.1 31.4 35.7 25.5 29.6 33.6 23.8 27.6 31.5 22.0 25.6 29.1
62
THC 33.5 33.5 34.4 30.9 30.9 33.2 28.3 28.3 31.9 25.7 25.7 30.4
SHC 24.8 29.6 34.4 23.6 28.4 33.2 22.3 27.1 31.9 20.9 25.7 30.4
67
THC 38.0 38.0 38.0 35.3 35.3 35.3 32.4 32.4 32.4 29.4 29.4 29.4
SHC 21.0 25.8 30.7 19.8 24.6 29.5 18.6 23.4 28.2 17.3 22.2 27.0
72
THC 42.1 42.1 42.1 39.7 39.7 39.7 37.1 37.1 37.1 34.0 34.0 34.0
SHC 16.7 21.6 26.4 15.8 20.6 25.5 14.7 19.6 24.4 13.6 18.4 23.2
76
THC --- 44.9 44.9 --- 43.0 43.0 --- 40.5 40.5 --- 37.5 37.5
SHC --- 17.8 22.7 --- 17.1 22.0 --- 16.2 21.1 --- 15.2 20.1
1050 Cfm
EAT (wb)
58
THC 33.7 33.7 38.3 31.7 31.7 36.0 29.6 29.6 33.6 27.4 27.4 31.2
SHC 29.1 33.7 38.3 27.3 31.7 36.0 25.5 29.6 33.6 23.6 27.4 31.2
62
THC 35.0 35.0 38.1 32.3 32.3 36.7 29.7 29.7 35.1 27.4 27.4 32.5
SHC 26.9 32.5 38.1 25.6 31.2 36.7 24.2 29.7 35.1 22.4 27.4 32.5
67
THC 39.4 39.4 39.4 36.7 36.7 36.7 33.7 33.7 33.7 30.5 30.5 30.5
SHC 22.4 28 33.6 21.2 26.8 32.4 20.0 25.6 31.2 18.7 24.3 29.9
72
THC 43.3 43.3 43.3 41.0 41.0 41.0 38.3 38.3 38.3 35.2 35.2 35.2
SHC 17.2 22.8 28.4 16.4 22.0 27.7 15.3 21.0 26.6 14.2 19.8 25.4
76
THC --- 45.8 45.8 --- 44.0 44.0 --- 41.6 41.6 --- 38.6 38.6
SHC --- 18.4 24.2 --- 17.8 23.5 --- 16.9 22.7 --- 15.9 21.6
1200 Cfm
EAT (wb)
58
THC 35.7 35.7 40.5 33.5 33.5 38.1 31.3 31.3 35.6 28.9 28.9 32.9
SHC 30.8 35.7 40.5 28.9 33.5 38.1 27.0 31.3 35.6 24.9 28.9 32.9
62
THC 36.3 36.3 41.5 33.6 33.6 39.7 31.3 31.3 37.1 29.0 29.0 34.3
SHC 28.9 35.2 41.5 27.4 33.6 39.7 25.6 31.3 37.1 23.6 29.0 34.3
67
THC 40.4 40.4 40.4 37.8 37.8 37.8 34.7 34.7 34.7 31.4 31.4 32.6
SHC 23.6 30.0 36.4 22.5 28.9 35.3 21.3 27.6 34.0 19.9 26.3 32.6
72
THC 44.1 44.1 44.1 42.0 42.0 42.0 39.2 39.2 39.2 36.0 36.0 36.0
SHC 17.7 23.9 30.2 16.9 23.3 29.6 15.9 22.3 28.6 14.7 21.1 27.5
76
THC --- 46.6 46.6 --- 44.4 44.4 --- 42.3 42.3 --- 39.4 39.4
SHC --- 19.0 25.5 --- 18.3 24.7 --- 17.6 24.0 --- 16.6 23.1
1350 Cfm
EAT (wb)
58
THC 37.5 37.5 42.6 35.1 35.1 40.0 32.8 32.8 37.3 30.3 30.3 34.5
SHC 32.4 37.5 42.6 30.3 35.1 40.0 28.3 32.8 37.3 26.1 30.3 34.5
62
THC 37.6 37.6 44.4 35.2 35.2 41.6 32.8 32.8 38.8 30.3 30.3 35.9
SHC 30.7 37.6 44.4 28.8 35.2 41.6 26.8 32.8 38.8 24.8 30.3 35.9
67
THC 41.2 41.2 41.2 38.6 38.6 38.6 35.6 35.6 36.7 32.2 32.2 35.3
SHC 24.8 31.9 39 23.7 30.8 38.0 22.5 29.6 36.7 21.1 28.2 35.3
72
THC 44.7 44.7 44.7 42.7 42.7 42.7 39.9 39.9 39.9 36.7 36.7 36.7
SHC 18.0 24.9 31.8 17.3 24.4 31.5 16.3 23.5 30.6 15.2 22.3 29.5
76
THC --- 47.2 47.2 --- 44.9 44.9 --- 42.9 42.9 --- 39.9 39.9
SHC --- 19.5 26.6 --- 18.7 25.7 --- 18.1 25.2 --- 17.2 24.4
1500 Cfm
EAT (wb)
58
THC 38.8 38.8 44.1 36.6 36.6 41.6 34.1 34.1 38.8 31.5 31.5 35.8
SHC 33.5 38.8 44.1 31.6 36.6 41.6 29.4 34.1 38.8 27.2 31.5 35.8
62
THC 38.8 38.8 45.9 36.6 36.6 43.3 34.1 34.1 40.4 31.6 31.6 37.3
SHC 31.7 38.8 45.9 29.9 36.6 43.3 27.9 34.1 40.4 25.8 31.6 37.3
67
THC 41.8 41.8 41.8 39.2 39.2 40.6 36.3 36.3 39.3 32.8 32.8 37.9
SHC 25.8 33.6 41.4 24.9 32.7 40.6 23.7 31.5 39.3 22.3 30.1 37.9
72
THC 45.2 45.2 45.2 43.2 43.2 43.2 40.5 40.5 40.5 37.2 37.2 37.2
SHC 18.4 25.8 33.3 17.7 25.4 33.2 16.8 24.6 32.5 15.6 23.5 31.4
76
THC --- 47.6 47.6 --- 45.2 45.2 --- 43.2 43.2 --- 40.3 40.3
SHC --- 19.9 27.5 --- 19.1 26.7 --- 18.6 26.3 --- 17.7 25.6
LEGEND
--- --- Do not operate
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
548J