30
Table 12 – COOLING CAPACITIES 2--STAGE COOLING 7.5 TONS
548J*08
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
2250Cfm
EAT (wb)
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
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
2625 Cfm
EAT (wb)
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
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
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
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
3000 Cfm
EAT (wb)
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
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
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
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
3375 Cfm
EAT (wb)
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
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
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
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
3750 Cfm
EAT (wb)
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
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
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
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
548J
