PERFORMANCE DATA
COOLING CAPACITIES
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| 581B036 (3 TONS) |
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| Temp (F) |
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| Temp (F) Air Entering Evaporator — Cfm/BF |
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| Air Ent |
| 900/0.14 |
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| 1200/0.17 |
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| 1500/0.20 |
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| Condenser |
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| Temp (F) Air Entering Evaporator — Ewb |
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| (Edb) |
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| 72 |
| 67 |
| 62 |
| 72 |
| 67 |
| 62 |
| 72 |
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| 67 |
| 62 |
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| TC |
| 41.9 |
| 38.7 |
| 35.7 |
| 43.5 |
| 40.8 |
| 37.7 |
| 44.8 |
| 41.8 | 39.0 |
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| 75 | SHC |
| 20.4 |
| 25.2 |
| 29.7 |
| 21.8 |
| 28.2 |
| 33.8 |
| 23.3 |
| 30.7 | 37.0 |
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| kW |
| 2.19 |
| 2.16 |
| 2.12 |
| 2.21 |
| 2.18 |
| 2.15 |
| 2.23 |
| 2.19 | 2.16 |
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| TC |
| 40.7 |
| 37.5 |
| 34.5 |
| 42.1 |
| 39.3 |
| 36.4 |
| 43.5 |
| 40.4 | 37.6 |
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| 85 | SHC |
| 19.9 |
| 24.7 |
| 29.2 |
| 21.5 |
| 27.7 |
| 33.2 |
| 23.2 |
| 30.3 | 36.4 |
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| kW |
| 2.46 |
| 2.42 |
| 2.39 |
| 2.47 |
| 2.44 |
| 2.41 |
| 2.50 |
| 2.45 | 2.42 |
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| 95 | TC |
| 39.3 |
| 36.1 |
| 33.1 |
| 40.8 |
| 37.8 |
| 34.9 |
| 42.0 |
| 38.9 | 36.1 |
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| SHC |
| 19.5 |
| 24.1 |
| 28.4 |
| 21.1 |
| 27.2 |
| 32.5 |
| 22.8 |
| 29.9 | 35.6 |
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| kW |
| 2.75 |
| 2.71 |
| 2.66 |
| 2.77 |
| 2.73 |
| 2.69 |
| 2.79 |
| 2.74 | 2.71 |
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| TC |
| 37.7 |
| 34.6 |
| 31.7 |
| 39.3 |
| 36.2 |
| 33.4 |
| 40.1 |
| 37.2 | 34.7 |
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| 105 | SHC |
| 18.8 |
| 23.5 |
| 27.8 |
| 20.7 |
| 26.6 |
| 31.8 |
| 22.1 |
| 29.3 | 34.7 |
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| kW |
| 3.06 |
| 3.02 |
| 2.98 |
| 3.09 |
| 3.04 |
| 3.01 |
| 3.10 |
| 3.06 | 3.03 |
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| TC |
| 36.0 |
| 33.0 |
| 29.7 |
| 37.4 |
| 34.5 |
| 31.5 |
| 38.1 |
| 35.5 | 33.2 |
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| 115 | SHC |
| 18.3 |
| 22.9 |
| 26.7 |
| 19.9 |
| 26.1 |
| 30.9 |
| 21.3 |
| 28.7 | 33.2 |
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| kW |
| 3.41 |
| 3.36 |
| 3.31 |
| 3.43 |
| 3.39 |
| 3.34 |
| 3.44 |
| 3.41 | 3.37 |
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| TC |
| 34.2 |
| 31.3 |
| 27.8 |
| 35.6 |
| 32.7 |
| 29.4 |
| 36.3 |
| 33.6 | 31.9 |
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| 125 | SHC |
| 17.6 |
| 22.2 |
| 25.8 |
| 19.4 |
| 25.4 |
| 29.4 |
| 20.8 |
| 28.0 | 31.8 |
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| kW |
| 3.78 |
| 3.73 |
| 3.66 |
| 3.80 |
| 3.76 |
| 3.71 |
| 3.81 |
| 3.78 | 3.75 |
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581B048 (4 TONS) |
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Temp (F) |
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| Temp (F) Air Entering Evaporator — Cfm/BF |
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Air Ent |
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| 1200/0.17 |
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| 1450/0.19 |
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| 1600/0.21 |
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| 2000/0.24 |
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Condenser |
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| Temp (F) Air Entering Evaporator — Ewb (F) |
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| (Edb) |
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| 72 |
| 67 |
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| 62 |
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| 72 |
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| 67 |
| 62 |
| 72 |
| 67 |
| 62 |
| 72 | 67 | 62 | |||||||||
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| TC |
| 54.0 |
| 50.7 |
| 44.2 |
| 55.9 |
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| 52.2 |
| 47.7 |
| 56.4 |
| 52.8 |
| 49.1 |
| 58.1 | 54.5 | 50.6 | |||||||||
75 |
| SHC |
| 26.1 |
| 32.7 |
| 37.5 |
| 27.6 |
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| 35.1 |
| 41.8 |
| 28.2 |
| 36.2 |
| 43.8 |
| 30.2 | 39.5 | 47.5 | |||||||||
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| kW |
| 2.81 |
| 2.80 |
| 2.76 |
| 2.83 |
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| 2.81 |
| 2.78 |
| 2.83 |
| 2.80 |
| 2.79 |
| 2.84 | 2.82 | 2.79 | |||||||||
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| TC |
| 52.2 |
| 48.9 |
| 41.9 |
| 54.1 |
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| 50.4 |
| 45.9 |
| 54.5 |
| 51.0 |
| 47.2 |
| 55.3 | 52.3 | 48.7 | |||||||||
85 |
| SHC |
| 25.4 |
| 32.0 |
| 36.4 |
| 26.9 |
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| 34.5 |
| 40.8 |
| 27.5 |
| 35.7 |
| 42.8 |
| 28.6 | 38.5 | 46.6 | |||||||||
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| kW |
| 3.20 |
| 3.19 |
| 3.15 |
| 3.22 |
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| 3.20 |
| 3.17 |
| 3.22 |
| 3.20 |
| 3.18 |
| 3.22 | 3.20 | 3.18 | |||||||||
95 |
| TC |
| 50.7 |
| 46.9 |
| 39.5 |
| 51.9 |
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| 48.4 |
| 43.5 |
| 52.5 |
| 48.9 |
| 45.2 |
| 53.9 | 50.1 | 46.7 | |||||||||
| SHC |
| 24.9 |
| 31.1 |
| 35.0 |
| 26.1 |
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| 33.6 |
| 39.6 |
| 26.8 |
| 34.7 |
| 41.8 |
| 28.8 | 37.5 | 45.6 | ||||||||||
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| kW |
| 3.64 |
| 3.61 |
| 3.57 |
| 3.65 |
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| 3.62 |
| 3.60 |
| 3.65 |
| 3.62 |
| 3.60 |
| 3.67 | 3.63 | 3.61 | |||||||||
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| TC |
| 48.8 |
| 44.5 |
| 36.7 |
| 49.8 |
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| 46.2 |
| 40.7 |
| 50.2 |
| 46.7 |
| 42.1 |
| 51.5 | 48.2 | 44.7 | |||||||||
105 |
| SHC |
| 24.3 |
| 30.2 |
| 33.6 |
| 25.3 |
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| 32.8 |
| 38.2 |
| 26.0 |
| 33.9 |
| 40.3 |
| 27.9 | 37.4 | 44.4 | |||||||||
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| kW |
| 4.12 |
| 4.09 |
| 4.03 |
| 4.12 |
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| 4.09 |
| 4.06 |
| 4.12 |
| 4.09 |
| 4.07 |
| 4.14 | 4.11 | 4.08 | |||||||||
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| TC |
| 46.5 |
| 41.1 |
| 34.3 |
| 47.7 |
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| 43.3 |
| 37.0 |
| 48.0 |
| 44.4 |
| 38.5 |
| 48.9 | 45.7 | 42.0 | |||||||||
115 |
| SHC |
| 23.4 |
| 28.9 |
| 32.4 |
| 24.9 |
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| 31.8 |
| 36.3 |
| 25.4 |
| 33.4 |
| 38.3 |
| 27.1 | 36.9 | 42.0 | |||||||||
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| kW |
| 4.64 |
| 4.59 |
| 4.53 |
| 4.65 |
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| 4.62 |
| 4.55 |
| 4.64 |
| 4.63 |
| 4.56 |
| 4.65 | 4.63 | 4.60 | |||||||||
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| TC |
| 43.8 |
| 37.5 |
| 32.4 |
| 45.1 |
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| 39.0 |
| 33.8 |
| 45.3 |
| 40.1 |
| 35.4 |
| 46.3 | 42.6 | 38.8 | |||||||||
125 |
| SHC |
| 22.5 |
| 27.4 |
| 31.5 |
| 24.1 |
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| 30.2 |
| 33.7 |
| 24.7 |
| 31.9 |
| 35.4 |
| 26.5 | 35.9 | 38.8 | |||||||||
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| kW |
| 5.19 |
| 5.13 |
| 5.05 |
| 5.20 |
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| 5.15 |
| 5.09 |
| 5.19 |
| 5.17 |
| 5.11 |
| 5.20 | 5.19 | 5.15 |
Standard Ratings
LEGEND
BF — Bypass Factor Edb — Entering Dry Bulb Ewb — Entering Wet Bulb
kW — Compressor Motor Power Input
SHC — Sensible Heat Capacity (1000 Btuh) Gross TC — Total Capacity (1000 Btuh) Gross
NOTES:
1.Direct interpolation is permissible. Do not extrapolate.
2.The following formulas may be used:
tldb = tedb – | sensible heat capacity (Btuh) | |
1.10 x cfm | ||
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tlwb =
hlwb = hewb – | total capacity (Btuh) | |
4.5 x cfm | ||
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Where hewb = Enthalpy of air entering indoor coil.
3.The SHC is based on 80 F edb temperature of air entering evap- orator coil.
Below 80 F db, subtract (corr factor x cfm) from SHC. Above 80 F db, add (corr factor x cfm) to SHC. Correction Factor = 1.10 x (1 – BF) x (db – 80).
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