37
Table 21 – COOLING CAPACITIES 1--STAGE COOLING 7.5 TONS
580J*08A
(RTPF)
AMBIENT TEMPERATURE
85 95 105 115
EAT (db) EAT (db) EAT (db) EA (db)
75 80 85 75 80 85 75 80 85 75 80 85
2250 Cfm
EAT (wb)
58
TC 81.2 81.2 91.8 77.5 77.5 87.7 73.6 73.6 83.3 69.5 69.5 78.7
SHC 70.5 81.2 91.8 67.3 77.5 87.7 63.9 73.6 83.3 60.4 69.5 78.7
62
TC 86.9 86.9 86.9 82.3 82.3 84.0 77.2 77.2 81.5 71.9 71.9 78.8
SHC 63.6 74.9 86.2 61.4 72.7 84.0 58.9 70.2 81.5 56.3 67.6 78.8
67
TC 95.2 95.2 95.2 90.7 90.7 90.7 85.7 85.7 85.7 79.9 79.9 79.9
SHC 52.8 64.2 75.6 50.9 62.2 73.6 48.8 60.1 71.5 46.3 57.6 68.9
72
TC 103.5 103.5 103.5 98.9 98.9 98.9 93.8 93.8 93.8 87.3 87.3 87.3
SHC 41.5 53.1 64.6 39.7 51.2 62.7 37.7 49.2 60.6 35.3 46.6 57.8
76
TC --- 109.6 109.6 --- 104.8 104.8 --- 99.1 99.1 --- 91.6 91.6
SHC --- 43.7 56.0 --- 42.0 54.3 --- 40.0 52.4 --- 37.4 49.8
2625 Cfm
EAT (wb)
58
TC 85.9 85.9 97.2 82.2 82.2 93.1 78.1 78.1 88.4 73.9 73.9 83.6
SHC 74.6 85.9 97.2 71.4 82.2 93.1 67.9 78.1 88.4 64.1 73.9 83.6
62
TC 89.6 89.6 94.1 85.1 85.1 91.7 80.1 80.1 89.1 74.6 74.6 86.0
SHC 68.1 81.1 94.1 65.9 78.8 91.7 63.4 76.3 89.1 60.6 73.3 86.0
67
TC 97.9 97.9 97.9 93.2 93.2 93.2 88.1 88.1 88.1 82.0 82.0 82.0
SHC 55.7 68.7 81.7 53.7 66.7 79.8 51.6 64.6 77.6 49.0 62.0 74.9
72
TC 106.0 106.0 106.0 101.3 101.3 101.3 95.9 95.9 95.9 89.0 89.0 89.0
SHC 42.7 55.8 68.9 40.9 53.9 67.0 38.8 51.8 64.7 36.2 48.9 61.7
76
TC --- 111.8 111.8 --- 106.9 106.9 --- 100.7 100.7 --- 92.7 92.7
SHC --- 45.3 59.8 --- 43.6 58.0 --- 41.4 55.6 --- 38.7 52.6
3000 Cfm
EAT (wb)
58
TC 89.6 89.6 101.4 85.9 85.9 97.2 81.7 81.7 92.5 77.0 77.0 87.1
SHC 77.9 89.6 101.4 74.6 85.9 97.2 71.0 81.7 92.5 66.9 77.0 87.1
62
TC 91.8 91.8 101.1 87.2 87.2 98.6 82.3 82.3 95.5 77.1 77.1 90.6
SHC 72.2 86.7 101.1 69.9 84.3 98.6 67.2 81.3 95.5 63.5 77.1 90.6
67
TC 99.9 99.9 99.9 95.2 95.2 95.2 89.9 89.9 89.9 83.6 83.6 83.6
SHC 58.3 72.9 87.5 56.4 71.0 85.5 54.2 68.8 83.4 51.6 66.1 80.5
72
TC 107.9 107.9 107.9 103.0 103.0 103.0 97.3 97.3 97.3 90.1 90.1 90.1
SHC 43.7 58.3 72.8 41.9 56.4 70.9 39.7 54.1 68.4 37.0 51.0 65.0
76
TC --- 113.8 113.8 --- 108.4 108.4 --- 102.0 102.0 --- 93.4 93.4
SHC --- 46.7 62.5 --- 44.8 60.4 --- 42.6 57.9 --- 39.6 54.7
3375 Cfm
EAT (wb)
58
TC 92.7 92.7 104.9 88.8 88.8 100.5 84.6 84.6 95.7 79.6 79.6 90.0
SHC 80.5 92.7 104.9 77.1 88.8 100.5 73.4 84.6 95.7 69.1 79.6 90.0
62
TC 93.7 93.7 107.3 89.1 89.1 104.7 84.6 84.6 99.5 79.6 79.6 93.6
SHC 75.8 91.6 107.3 73.5 89.1 104.7 69.8 84.6 99.5 65.6 79.6 93.6
67
TC 101.5 101.5 101.5 96.7 96.7 96.7 91.3 91.3 91.3 84.8 84.8 85.7
SHC 60.8 76.9 93.0 58.8 74.9 91.0 56.7 72.8 88.9 53.9 69.8 85.7
72
TC 109.4 109.4 109.4 104.3 104.3 104.3 98.4 98.4 98.4 90.9 90.9 90.9
SHC 44.6 60.5 76.4 42.8 58.6 74.4 40.5 56.2 71.8 37.7 52.8 68.0
76
TC --- 115.1 115.1 --- 109.5 109.5 --- 102.8 102.8 --- 94.0 94.0
SHC --- 47.8 64.9 --- 45.9 62.7 --- 43.5 60.1 --- 40.4 56.5
3750 Cfm
EAT (wb)
58
TC 95.3 95.3 107.8 91.3 91.3 103.3 86.9 86.9 98.3 81.7 81.7 92.4
SHC 82.7 95.3 107.8 79.3 91.3 103.3 75.5 86.9 98.3 70.9 81.7 92.4
62
TC 95.5 95.5 112.2 91.3 91.3 107.4 87.0 87.0 102.2 81.7 81.7 96.0
SHC 78.7 95.5 112.2 75.3 91.3 107.4 71.7 87.0 102.2 67.4 81.7 96.0
67
TC 102.8 102.8 102.8 97.9 97.9 97.9 92.3 92.3 94.0 85.7 85.7 90.5
SHC 63.1 80.6 98.2 61.2 78.7 96.3 59.0 76.5 94.0 56.0 73.2 90.5
72
TC 110.6 110.6 110.6 105.4 105.4 105.4 99.2 99.2 99.2 91.5 91.5 91.5
SHC 45.5 62.7 79.9 43.5 60.7 77.8 41.3 58.1 75.0 38.3 54.5 70.7
76
TC --- 116.1 116.1 --- 110.3 110.3 --- 103.5 103.5 --- 94.5 94.5
SHC --- 48.9 67.0 --- 46.8 64.8 --- 44.4 62.0 --- 41.1 58.1
LEGEND:
--- --- Do not operate in th is reg ion
Cfm --- Cubic feet per minute (supply air)
EAT(db) --- Entering air temperature (dry bulb)
EAT(wb) --- Entering air temperature (w et bulb)
SHC --- Sensible heat capacity
TC --- Total capacity
580J