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PERFORMANCE DATA (cont)
NET COOLING CAPACITIES (cont)
583A--036
Temp (F)
Air Ent
Condenser
Evaporator Air — Cfm/BF
1050/0.111 1200/0.142 1350/0.181
Evaporator Air — Ewb (F)
62 67 72 62 67 72 62 67 72
85
TC 31.4 36.2 40.6 32.4 37.1 41.2 33.1 37.6 41.5
SHC 28.7 24.4 19.7 30.9 26.0 20.4 33.1 27.3 20.9
kW 2.82 2.88 2.93 2.93 3.01 3.06 3.03 3.16 3.20
95
TC 30.0 34.3 39.0 30.7 35.0 39.6 31.7 35.7 39.9
SHC 28.0 23.7 19.2 30.1 25.2 19.9 31.7 26.7 20.5
kW 3.12 3.21 3.26 3.22 3.37 3.38 3.34 3.48 3.53
105
TC 28.6 32.6 37.3 29.4 33.4 37.9 30.4 34.0 38.2
SHC 27.3 23.1 18.6 29.4 24.7 19.4 30.4 26.1 20.0
kW 3.45 3.56 3.60 3.53 3.68 3.73 3.67 3.83 3.88
115
TC 27.0 30.8 35.7 28.2 31.5 36.2 29.1 32.0 36.4
SHC 26.4 22.4 18.0 28.2 23.9 18.8 29.1 25.4 19.4
kW 3.77 3.93 3.97 3.87 4.06 4.11 4.03 4.20 4.26
125
TC 25.5 29.0 33.9 26.7 29.4 34.4 27.8 29.8 34.6
SHC 25.5 21.7 17.4 26.7 23.2 18.2 27.8 24.6 18.8
kW 4.09 4.29 4.37 4.22 4.44 4.50 4.40 4.58 4.65
583A--042
Temp (F)
Air Ent
Condenser
Evaporator Air — Cfm/BF
1225/0.057 1400/0.075 1575/0.099
Evaporator Air — Ewb (F)
62 67 72 62 67 72 62 67 72
85
TC 39.2 42.9 46.1 39.8 43.3 46.3 40.2 43.3 46.2
SHC 35.4 29.5 23.4 37.4 30.7 23.8 39.1 31.6 24.0
kW 3.81 3.82 3.79 3.93 3.97 3.93 4.06 4.15 4.09
95
TC 37.6 41.6 44.9 38.3 42.0 45.1 38.7 42.0 45.1
SHC 34.4 29.0 23.0 36.6 30.3 23.5 38.7 31.3 23.8
kW 3.80 3.82 3.80 3.91 4.04 3.94 4.03 4.16 4.11
105
TC 35.9 40.0 43.6 36.6 40.3 43.7 37.3 40.3 43.6
SHC 33.6 28.4 22.5 35.6 29.7 23.0 37.3 30.8 23.4
kW 3.79 3.83 3.80 3.89 3.98 3.95 3.99 4.17 4.12
115
TC 34.2 38.2 42.0 34.9 38.5 42.1 35.8 38.5 42.0
SHC 32.7 27.7 21.9 34.9 29.1 22.5 35.8 30.2 22.9
kW 3.77 3.83 3.81 3.86 3.99 3.95 3.93 4.18 4.13
125
TC 32.5 36.4 40.1 33.5 36.6 40.2 34.3 36.6 40.1
SHC 31.8 26.9 21.2 33.5 28.3 21.8 34.3 29.4 22.2
kW 3.75 3.83 3.81 3.82 3.99 3.95 3.91 4.18 4.13
LEGEND
BF — Bypass Factor
Ewb — Entering Wet-Bulb
kW — Total Unit Power Input
SHC — Sensible Heat Capacity (1000 Btuh)
TC — Total Capacity (1000 Btuh) (net)
NOTES:
1. Ratings are net; they account for the effects of the evaporator-fan motor power and heat.
2. Direct interpolation is permissible. Do not extrapolate.
3. The following formulas may be used:
sensible capacity (Btuh)
t=t −
ldb edb
1.10 x cfm
t = Wet-bulb temperature corresponding to enthalpy of air leaving
lwb
evaporator coil (h )
lwb
total capacity (Btuh)
h=h −
lwb ewb
4.5 x cfm
Where: h = Enthalpy of air entering evaporator coil
ewb
4. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 − BF) x (edb − 80).
13