40
Table 21 – HEATING CAPACITIES 3 TONS
50HCQA04
RETURN
AIR
(°Fdb)
CFM
(STANDARD AIR)
TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH)
--- 1 0 0 10 17 30 40 47 50 60
55
900
Capacity 13.3 17.2 20.0 26.0 31.3 35.6 37.0 42.7
Int. Cap. 12.3 15.8 18.3 22.8 31.3 35.6 37.0 42.7
kW 1.9 2.0 2.1 2.2 2.4 2.6 2.7 2.9
1200
Capacity 13.8 17.8 20.8 27.0 32.8 36.9 38.3 44.1
Int. Cap. 12.7 16.3 18.9 23.6 32.8 36.9 38.3 44.1
kW 1.8 1.9 2.0 2.1 2.3 2.4 2.4 2.6
1500
Capacity 18.7 21.8 28.2 34.0 38.1 39.4 45.1
Int. Cap. 17.2 19.8 24.7 34.0 38.1 39.4 45.1
kW 2.0 2.1 2.2 2.4 2.4 2.5 2.6
70
900
Capacity 7.5 11.0 14.9 17.8 23.6 28.5 32.7 34.2 40.4
Int. Cap. 6.9 10.2 13.7 16.2 20.7 28.5 32.7 34.2 40.4
kW 2.1 2.2 2.3 2.4 2.6 2.7 2.9 3.0 3.3
1200
Capacity 7.9 11.6 15.6 18.6 24.7 29.9 34.6 36.0 41.9
Int. Cap. 7.3 10.7 14.3 16.9 21.6 29.9 34.6 36.0 41.9
kW 2.0 2.1 2.2 2.3 2.4 2.6 2.8 2.8 3.0
1500
Capacity 8.7 12.4 16.5 19.6 25.8 31.3 35.9 37.3 43.1
Int. Cap. 8.0 11.4 15.1 17.8 22.6 31.3 35.9 37.3 43.1
kW 2.2 2.2 2.3 2.4 2.5 2.6 2.8 2.8 3.0
80
900
Capacity 5.7 9.3 13.2 16.1 21.9 26.8 30.5 32.1 38.4
Int. Cap. 5.3 8.5 12.1 14.7 19.2 26.8 30.5 32.1 38.4
kW 2.3 2.4 2.5 2.6 2.8 3.0 3.2 3.2 3.6
1200
Capacity 6.1 9.8 13.9 16.9 22.9 28.1 32.3 33.9 40.3
Int. Cap. 5.6 9.0 12.7 15.4 20.1 28.1 32.3 33.9 40.3
kW 2.2 2.3 2.4 2.5 2.7 2.8 3.0 3.1 3.3
1500
Capacity 6.8 10.6 14.8 17.9 24.1 29.4 34.0 35.6 41.6
Int. Cap. 6.3 9.8 13.6 16.3 21.1 29.4 34.0 35.6 41.6
kW 2.4 2.5 2.5 2.6 2.7 2.9 3.0 3.1 3.3
--- Indicates operation not permissible
LEGEND
Capacity --- Instantaneous Capacity (1000 Btuh) includes indoor fan motor heat @AHRI static conditions
Int. Cap. --- Integrated Capacity is Instantaneous Capacity minus the effects of frost on the outdoor coil and the heat required to defrost
RH --- Relative Humidity
d b --- D r y B u l b
50HCQ
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