39
Table 20 – COOLING CAPACITIES 2--STAGE COOLING 10 TONS
50HCQD12
AMBIENT TEMPERATURE
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
3000 Cfm
EAT (wb)
58
THC 106.0 106.0 119.9 102.0 102.0 115.3 97.6 97.6 110.4 92.9 92.9 105.0 87.5 87.5 98.9
SHC 92.2 106.0 119.9 88.6 102.0 115.3 84.9 97.6 110.4 80.7 92.9 105.0 76.1 87.5 98.9
62
THC 112.3 112.3 113.3 107.1 107.1 110.7 101.5 101.5 107.9 95.4 95.4 104.7 88.9 88.9 100.5
SHC 83.4 98.3 113.3 80.8 95.8 110.7 78.1 93.0 107.9 75.1 89.9 104.7 71.5 86.0 100.5
67
THC 123.3 123.3 123.3 117.6 117.6 117.6 111.4 111.4 111.4 104.5 104.5 104.5 97.0 97.0 97.0
SHC 69.2 84.3 99.3 66.7 81.7 96.8 64.1 79.1 94.1 61.2 76.2 91.2 58.0 73.0 88.0
72
THC 135.2 135.2 135.2 128.8 128.8 128.8 121.9 121.9 121.9 114.4 114.4 114.4 106.2 106.2 106.2
SHC 54.5 69.8 85.0 52.0 67.3 82.5 49.4 64.6 79.8 46.5 61.7 76.8 43.4 58.5 73.6
76
THC --- 145.1 145.1 --- 138.2 138.2 --- 130.7 130.7 --- 122.6 122.6 --- 113.7 113.7
SHC --- 57.9 74.3 --- 55.4 71.8 --- 52.8 69.1 --- 50.0 66.1 --- 46.9 62.8
3500 Cfm
EAT (wb)
58
THC 111.6 111.6 126.2 107.3 107.3 121.4 102.6 102.6 116.0 97.4 97.4 110.2 91.6 91.6 103.6
SHC 97.1 111.6 126.2 93.3 107.3 121.4 89.2 102.6 116.0 84.7 97.4 110.2 79.6 91.6 103.6
62
THC 115.9 115.9 123.6 110.5 110.5 120.7 104.6 104.6 117.4 98.6 98.6 112.5 92.1 92.1 106.9
SHC 89.4 106.5 123.6 86.7 103.7 120.7 83.7 100.5 117.4 79.8 96.1 112.5 75.4 91.2 106.9
67
THC 127.0 127.0 127.0 120.9 120.9 120.9 114.3 114.3 114.3 107.1 107.1 107.1 99.2 99.2 99.2
SHC 73.2 90.5 107.8 70.7 87.9 105.2 67.9 85.1 102.4 64.9 82.2 99.4 61.7 78.9 96.1
72
THC 139.1 139.1 139.1 132.3 132.3 132.3 125.0 125.0 125.0 117.0 117.0 117.0 108.4 108.4 108.4
SHC 56.4 73.8 91.3 53.8 71.2 88.6 51.1 68.4 85.8 48.1 65.4 82.8 44.9 62.2 79.5
76
THC --- 149.0 149.0 --- 141.7 141.7 --- 133.8 133.8 --- 125.2 125.2 --- --- ---
SHC --- 60.3 79.1 --- 57.7 76.3 --- 54.9 73.3 --- 52.0 70.1 --- --- ---
4000 Cfm
EAT (wb)
58
THC 116.5 116.5 131.7 111.8 111.8 126.5 106.8 106.8 120.7 101.2 101.2 114.4 95.0 95.0 107.4
SHC 101.2 116.5 131.7 97.2 111.8 126.5 92.8 106.8 120.7 88.0 101.2 114.4 82.5 95.0 107.4
62
THC 118.9 118.9 133.1 113.5 113.5 128.6 107.8 107.8 123.8 101.7 101.7 118.4 95.1 95.1 111.7
SHC 94.9 114.0 133.1 91.4 110.0 128.6 87.6 105.7 123.8 83.4 100.9 118.4 78.5 95.1 111.7
67
THC 129.9 129.9 129.9 123.5 123.5 123.5 116.6 116.6 116.6 109.1 109.1 109.1 100.9 100.9 103.8
SHC 77.0 96.4 115.9 74.4 93.8 113.2 71.5 90.9 110.3 68.5 87.8 107.2 65.2 84.5 103.8
72
THC 142.0 142.0 142.0 135.0 135.0 135.0 127.3 127.3 127.3 119.1 119.1 119.1 110.1 110.1 110.1
SHC 58.0 77.6 97.2 55.4 74.9 94.5 52.6 72.1 91.6 49.6 69.0 88.5 46.3 65.7 85.1
76
THC --- 152.0 152.0 --- 144.4 144.4 --- 136.2 136.2 --- --- --- --- --- ---
SHC --- 62.4 83.1 --- 59.7 80.2 --- 56.9 77.2 --- --- --- --- --- ---
4500 Cfm
EAT (wb)
58
THC 120.6 120.6 136.3 115.7 115.7 130.8 110.3 110.3 124.7 104.4 104.4 118.0 97.8 97.8 110.5
SHC 104.8 120.6 136.3 100.5 115.7 130.8 95.9 110.3 124.7 90.7 104.4 118.0 85.0 97.8 110.5
62
THC 122.1 122.1 139.4 116.6 116.6 134.6 110.6 110.6 129.9 104.4 104.4 122.7 97.8 97.8 114.9
SHC 98.8 119.1 139.4 95.1 114.9 134.6 91.3 110.6 129.9 86.2 104.4 122.7 80.7 97.8 114.9
67
THC 132.2 132.2 132.2 125.5 125.5 125.5 118.4 118.4 118.4 110.6 110.6 114.6 102.2 102.2 111.0
SHC 80.6 102.1 123.7 77.8 99.4 120.9 74.9 96.4 117.9 71.8 93.2 114.6 68.4 89.7 111.0
72
THC 144.4 144.4 144.4 137.1 137.1 137.1 129.2 129.2 129.2 120.7 120.7 120.7 111.4 111.4 111.4
SHC 59.5 81.2 102.8 56.8 78.4 100.1 54.0 75.5 97.1 50.9 72.4 93.9 47.6 69.1 90.5
76
THC --- 154.4 154.4 --- 146.5 146.5 --- 138.0 138.0 --- --- --- --- --- ---
SHC --- 64.2 86.9 --- 61.5 84.0 --- 58.7 81.0 --- --- --- --- --- ---
5000 Cfm
EAT (wb)
58
THC 124.1 124.1 140.4 119.0 119.0 134.5 113.3 113.3 128.1 107.1 107.1 121.1 100.1 100.1 113.2
SHC 107.9 124.1 140.4 103.4 119.0 134.5 98.5 113.3 128.1 93.1 107.1 121.1 87.0 100.1 113.2
62
THC 124.9 124.9 144.9 119.2 119.2 140.0 113.4 113.4 133.2 107.1 107.1 125.8 100.2 100.2 117.7
SHC 102.2 123.6 144.9 98.4 119.2 140.0 93.6 113.4 133.2 88.4 107.1 125.8 82.7 100.2 117.7
67
THC 134.0 134.0 134.0 127.2 127.2 128.2 119.8 119.8 125.1 111.9 111.9 121.6 103.3 103.3 117.6
SHC 83.9 107.5 131.1 81.1 104.7 128.2 78.2 101.6 125.1 74.9 98.3 121.6 71.3 94.5 117.6
72
THC 146.3 146.3 146.3 138.8 138.8 138.8 130.7 130.7 130.7 121.9 121.9 121.9 112.5 112.5 112.5
SHC 60.9 84.6 108.3 58.1 81.8 105.4 55.2 78.8 102.4 52.2 75.6 99.1 48.8 72.2 95.6
76
THC --- 156.4 156.4 --- 148.2 148.2 --- --- --- --- --- --- --- --- ---
SHC --- 66.0 90.6 --- 63.3 87.6 --- --- --- --- --- --- --- --- ---
LEGEND
--- --- D o n o t o p e r a t e in t h i s r e g i o n
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
THC --- Total capacity
50HCQ
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