34
Table 18 – HEATING CAPACITY 7.5 TONS
548J*08
RETURN
AIR
(°Fdb)
CFM
(STANDARD AIR)
TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db a t 70% rh)
--- 10 0 10 17 30 40 47 50 60
55
2250
Capacity 46.9 53.5 66.3 77.2 86.2 89.4 103.3
Int. Cap. 43.1 48.7 58.1 77.2 86.2 89.4 103.3
3000
Capacity 68.5 80.2 89.8 93.1 106.7
Int. Cap. 60.0 80.2 89.8 93.1 106.7
3750
Capacity 58.9 72.5 84.6 94.5 97.6 110.6
Int. Cap. 53.7 63.5 84.6 94.5 97.6 110.6
70
2250
Capacity 25.9 34.6 43.6 50.2 62.7 73.0 81.4 84.5 98.0
Int. Cap. 23.9 31.8 40.0 45.7 55.0 73.0 81.4 84.5 98.0
3000
Capacity 27.4 36.2 45.5 52.2 65.1 75.9 85.0 88.2 102.1
Int. Cap. 25.3 33.4 41.8 47.6 57.0 75.9 85.0 88.2 102.1
3750
Capacity 31.0 40.0 49.3 56.1 69.1 80.4 89.8 93.2 106.5
Int. Cap. 28.6 36.8 45.3 51.1 60.6 80.4 89.8 93.2 106.5
80
2250
Capacity 22.5 31.5 40.7 47.3 60.1 70.3 78.2 81.2 94.3
Int. Cap. 20.8 29.0 37.3 43.1 52.6 70.3 78.2 81.2 94.3
3000
Capacity 24.1 33.3 42.7 49.5 62.5 73.1 81.6 84.7 98.6
Int. Cap. 22.3 30.6 39.2 45.2 54.8 73.1 81.6 84.7 98.6
3750
Capacity 27.8 37.1 46.6 53.5 66.7 77.5 86.4 89.7 103.4
Int. Cap. 25.7 34.1 42.8 48.8 58.4 77.5 86.4 89.7 103.4
Table 19 – HEATING CAPACITY 8.5 TONS
548J*09
RETURN
AIR
(°Fdb)
CFM
(STANDARD AIR)
TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db a t 70% rh)
--- 10 0 10 17 30 40 47 50 60
55
2550
Capacity 33.1 42.7 52.7 60.0 75.6 87.4 97.5 100.6 113.8
Int. Cap. 30.7 39.3 48.3 54.7 66.2 87.4 97.5 100.6 113.8
3400
Capacity 34.4 44.0 54.2 61.8 77.5 89.9 100.2 103.1 115.7
Int. Cap. 31.8 40.5 49.8 56.4 67.9 89.9 100.2 103.1 115.7
4250
Capacity 38.0 47.7 58.0 65.8 81.5 94.2 103.9 106.6 118.2
Int. Cap. 35.2 43.9 53.2 60.0 71.4 94.2 103.9 106.6 118.2
70
2550
Capacity 29.0 38.6 48.6 55.9 70.7 83.5 93.1 96.2 109.5
Int. Cap. 26.8 35.5 44.6 51.0 61.9 83.5 93.1 96.2 109.5
3400
Capacity 30.3 40.2 50.4 58.0 73.5 86.1 96.5 99.2 111.9
Int. Cap. 28.0 37.0 46.3 52.9 64.4 86.1 96.5 99.2 111.9
4250
Capacity 34.0 44.0 54.4 62.1 77.8 90.5 100.5 103.3 115.2
Int. Cap. 31.5 40.5 50.0 56.6 68.2 90.5 100.5 103.3 115.2
80
2550
Capacity 25.3 35.0 45.2 52.6 67.1 80.0 90.0 93.2 106.5
Int. Cap. 23.4 32.2 41.5 48.0 58.8 80.0 90.0 93.2 106.5
3400
Capacity 26.6 36.7 47.2 54.8 69.8 83.0 93.1 96.2 109.2
Int. Cap. 24.6 33.8 43.3 50.0 61.2 83.0 93.1 96.2 109.2
4250
Capacity 30.4 40.6 51.2 59.0 74.4 87.7 97.7 100.7 112.8
Int. Cap. 28.1 37.4 47.0 53.8 65.1 87.7 97.7 100.7 112.8
--- Indicates operation not permissible
LEGEND
Capacity --- Instantaneous Capacity (1000 Btuh) includes indoor fan motor heat @ARI static conditions
Int. Cap. --- Integrated Capacity is Instantaneous Capacity minus the effects of frost on the outdoor coil a nd the heat required to defrost
rh --- Relative Humidity
db --- Dry Bulb
548J
