26
Table 26-1 Gross Cooling Capacities (MBH) 7½ Ton Three Phase YC
✱✱
✱✱
✱090C3, C4, CW
Ambient Temperature
85 95 105 115
Enter.
Dry Entering Wet Bulb
CFM Bulb 61 67 73 61 67 73 61 67 73 61 67 73
Airflow (F) MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC
75 86.3 68.4 95.3 55.9 100.0 36.3 79.3 64.6 90.2 53.2 96.9 34.3 72.0 60.8 83.7 50.1 92.2 31.7 64.7 57.0 75.6 46.5 86.3 29.1
80 87.1 81.1 95.7 65.3 101.0 49.6 80.4 77.4 90.6 63.0 97.6 47.2 72.8 72.8 84.0 59.7 92.7 44.5 66.8 66.8 75.9 55.9 86.6 41.5
2700
85 89.8 89.8 96.3 77.0 102.0 59.5 84.4 84.4 90.9 75.2 98.1 58.3 78.6 78.6 84.4 72.3 93.0 56.5 72.5 72.5 76.6 68.6 86.9 54.1
90 94.3 94.3 97.1 88.8 103.0 69.9 89.8 89.8 91.8 87.4 99.0 69.4 84.4 84.4 85.8 85.1 93.7 68.2 78.3 78.3 78.6 78.6 87.2 66.1
75 88.4 72.2 96.6 55.4 101.0 36.9 81.3 68.4 91.7 52.6 97.7 34.8 72.9 64.6 85.5 49.5 93.1 32.4 66.3 60.7 77.4 45.7 87.4 29.5
80 89.5 86.1 97.1 67.7 102.0 51.3 82.9 82.6 92.0 65.9 98.2 48.5 75.9 75.9 85.7 63.1 93.7 46.2 69.7 69.7 77.6 59.3 87.7 43.3
3000
85 92.7 92.7 97.7 80.3 103.0 65.1 87.9 87.9 92.5 79.1 99.2 62.7 82.0 82.0 86.2 76.8 94.2 58.7 75.7 75.7 78.6 73.2 88.0 56.6
90 97.0 97.0 98.7 92.8 104.0 71.8 92.7 92.7 93.8 92.2 100.0 71.8 87.6 87.6 87.7 87.7 94.9 71.2 81.8 81.8 82.0 82.0 88.5 69.7
75 90.0 75.6 97.5 57.3 102.0 37.5 83.1 72.1 92.8 54.5 98.3 35.4 75.5 68.2 86.7 51.4 93.8 33.0 67.9 64.3 78.8 47.8 88.2 30.1
80 91.3 90.4 98.1 69.8 103.0 53.0 84.8 84.8 93.2 68.6 99.0 49.4 78.6 78.6 86.9 66.1 94.3 47.5 72.2 72.2 79.1 62.6 88.6 45.0
3300
85 95.0 95.0 98.9 83.1 104.0 67.9 90.4 90.4 93.9 82.6 100.0 65.5 84.9 84.9 87.7 80.8 95.2 60.6 78.4 78.4 80.4 77.8 89.0 58.9
90 99.0 99.0 100.0 96.2 105.0 73.5 95.0 95.0 95.0 95.0 101.0 74.0 90.0 90.0 90.2 90.2 96.0 73.9 84.3 84.3 84.5 84.5 89.6 72.9
75 91.3 78.7 98.2 59.2 102.0 38.0 84.7 75.6 93.7 56.4 98.9 35.9 77.0 71.7 87.6 53.3 94.4 33.4 69.3 67.8 80.1 49.8 88.8 30.6
80 92.4 92.4 99.0 71.7 103.0 54.5 87.4 87.4 94.2 71.0 99.6 50.2 81.1 81.1 87.9 69.0 95.0 48.5 74.4 74.4 80.4 65.7 89.2 46.3
3600
85 96.9 96.9 99.9 85.7 104.0 70.6 92.4 92.4 95.1 85.8 101.0 62.9 87.1 87.1 89.0 84.6 95.9 62.3 80.9 80.9 81.2 81.2 89.9 61.1
90 101.0 101.0 101.0 99.3 106.0 75.0 96.8 96.8 96.8 96.8 102.0 75.9 91.0 92.0 92.1 92.1 96.8 76.4 86.4 86.4 86.5 86.5 90.6 75.9
NOTES:
1. All capacities shown are gross and have not considered indoor fan heat. To obtain net cooling subtract indoor fan heat.
2. MBH = Total Gross Capacity
3. SHC = Sensible Heat Capacity
Performance 7½ Ton
Data
Standard Efficiency
Table 26-2 Gross Cooling Capacities (MBH) 7½ Ton Three Phase - Dual Compressor YC
✱✱
✱✱
✱090D3, D4, DW
Ambient Temperature
85 95 105 115
Enter.
Dry Entering Wet Bulb
CFM Bulb 61 67 73 61 67 73 61 67 73 61 67 73
Airflow (F) MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC MBH SHC
75 83.7 66.2 92.5 54.6 97.1 35.5 77.8 62.9 88.3 52.4 94.3 33.7 71.6 59.6 82.8 49.8 90.5 31.7 64.9 56.2 75.7 46.6 85.4 29.3
80 84.5 78.3 92.9 63.2 97.9 48.0 78.9 75.2 88.6 61.2 95.0 46.0 72.6 71.3 83.1 58.5 90.9 43.7 66.4 66.4 76.0 55.2 85.7 41.2
2700
85 87.0 87.0 93.4 74.4 98.6 57.7 82.3 82.3 88.9 72.9 95.5 56.6 77.3 77.3 83.4 70.4 91.3 55.0 71.9 71.9 76.5 67.2 85.9 52.9
90 91.4 91.4 94.2 85.7 99.6 67.6 87.6 87.6 89.8 84.6 96.4 67.1 82.9 82.9 84.2 82.2 91.9 66.1 77.4 77.4 78.4 77.9 86.4 64.3
75 85.8 69.8 93.7 53.7 97.7 35.8 79.8 66.5 89.7 51.3 95.0 34.1 73.4 63.2 84.4 48.7 91.3 32.1 66.6 59.7 77.5 45.4 86.3 29.7
80 86.9 83.0 94.2 65.5 98.5 49.5 80.8 79.3 90.0 64.0 95.8 47.6 75.2 75.0 84.6 61.6 91.8 45.3 69.1 69.1 77.7 58.4 86.7 42.8
3000
85 89.8 89.8 94.8 77.5 99.4 62.7 85.7 85.7 90.5 76.5 96.5 58.2 80.6 80.6 85.1 74.6 92.4 57.0 74.9 74.9 78.5 71.5 87.1 55.2
90 93.9 93.9 95.8 89.4 101.0 69.4 90.3 90.3 91.7 89.0 97.4 69.4 85.9 85.9 86.6 85.9 93.1 68.8 80.7 80.7 80.9 80.9 87.6 67.5
75 87.4 73.0 94.5 55.4 98.1 36.3 81.5 69.9 90.7 53.2 95.5 34.6 75.0 66.5 85.6 50.5 91.8 32.6 68.0 63.0 78.9 47.4 87.0 30.2
80 88.3 86.6 95.2 67.5 99.0 51.0 83.3 82.8 91.2 66.4 96.4 49.1 77.3 77.3 85.8 64.4 92.5 46.8 71.6 71.6 79.1 61.4 87.5 44.3
3300
85 92.0 92.0 95.9 80.3 100.0 62.3 88.2 88.2 91.8 79.8 97.2 61.2 83.3 83.3 86.5 78.3 93.2 58.7 77.6 77.6 80.2 75.8 88.0 57.3
90 95.8 95.8 97.1 92.7 101.0 70.9 92.4 92.4 93.0 91.7 98.3 71.3 88.2 88.2 88.3 88.3 94.0 71.2 83.3 83.3 83.3 83.3 88.6 70.4
75 88.7 76.0 95.2 57.1 98.4 36.7 83.0 73.2 91.5 54.7 95.9 35.1 76.4 69.8 86.5 52.3 92.3 33.1 69.4 66.3 80.1 49.3 87.6 30.6
80 90.0 89.3 96.0 69.3 99.4 52.5 85.2 85.2 92.1 68.7 96.8 50.5 79.7 79.7 86.8 67.0 93.1 48.3 73.8 73.8 80.3 64.3 88.1 45.6
3600
85 93.8 93.8 96.8 82.7 100.0 64.0 90.1 90.1 92.8 82.7 97.8 60.8 85.5 85.5 87.7 81.7 93.9 60.2 80.0 80.0 81.2 79.2 88.7 59.1
90 97.3 97.3 98.1 95.6 102.0 72.3 94.1 94.1 94.5 94.1 98.9 73.1 90.0 90.0 90.1 90.1 94.8 73.4 85.2 85.2 85.2 85.2 89.5 73.0
NOTES:
1. All capacities shown are gross and have not considered indoor fan heat. To obtain net cooling subtract indoor fan heat.
2. MBH = Total Gross Capacity
3. SHC = Sensible Heat Capacity
✲Indicates both downflow and horizontal units.
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