Carrier 50YX - Manual (Page 8)

10
i) IS eia'
50YX042 (3V2 Tons)
COOLING CAPACITIES (cont)
50YX060 (5 Tons)
Evap Air — Cfm/BF
Temp (F)
1225/0.05 1400/0.06 1650/0.07 Temp (F)
Air Fnt
1750/0.02 _ 1 2000/0.02 2250/0.03
Cond Evap Air - Ewb (F) Cond Evap Air - Ewb (F)
72 67 63* 62 72 67 63* 62 72 67 63* 62 72 67 63* 62 72 67 63* 62 72 67 63* 62
TC 46.5 42.7 39 9 39.3 47 1 43.3 40 5 40 1 47.7 43.9 41 3 41.4 TC 67.5 61.5 57 0 56 0 68.4 62.3 57.9 57 2 68 9 62 8 58.4 58 9
85 SHC 23.6 30.3 29.5 36.8 24.8 32.3 31.4 39.4 26.4 35.1 34 0 41.4 85 SHC 33.8 43.8 42.4 53.4 35.5 46 8 45 3 57.1 37.1 49 7 48 0 58.9
kW 3.56 3.50 3 47 3.46 3.62 3.57 3.53 3 53 3.71 3 66 3 63 3 63 kW 5 90 5.79 5.72 5 69 6.07 5 96 5.88 5.87 6.23 6.12 6 04 6.05
TC 44 4 40 9 38 2 37.5 44 9 41 5 38.8 38 5 45 7 42 1 39.3 40.0 TC 64.8 59.0 54 7 53.7 65.8 60 0 55 4 55 2 66.3 60.5 56 1 56 8
95 SHC 22.9 29.6 28 8 36.0 24 0 31 6 30.7 38.4 25 7 34 4 33 2 40 0 95 SHC 32 9 42.8 41.4 52.3 34.6 45.9 44 2 55 2 36.3 48.8 47.0 56 8
kW 3.89 3.85 3 81 3 79 3.96 3 91 3.87 3.87 4.06 4 00 3 96 3 98 kW 6.39 6.29 6.21 6.18 6.59 6 48 6.37 6 36 6 75 6 63 6 56 6 55
TC 42.4 39 1 36 5 35 9 42 9 39 6 37 0 37 0 43 6 40 1 37.5 38.5 TC 62.1 58 5 52 2 51.4 62 8 57 3 53 1 53 3 63.2 57 7 53.5 54 8
105 SHC 22.2 28 9 28.1 35.1 23 3 30.9 29.9 37.0 25.0 33.6 32.4 38.5 105 SHC 31 9 41.8 40.4 51.1 33 6 44 8 43 2 53 3 35.2 47.7 45 9 54.8
kW 4 27 4.23 4 18 4 16 43.4 4 29 4 25 4 25 4.44 4 38 4 34 4 36 kW 6 98 6 86 6.74 6.72 7 14 7.02 6 94 6.95 7 30 7 19 7 10 7 12
TC 40.3 37 0 34 5 34 2 40 7 37 4 34.9 35 3 41 4 38.1 35 5 36 7 TC 59 1 53 7 49 6 49 2 59 7 54 4 50 3 51.0 60 0 54.7 50 7 52.4
115 SHC 21.5 28.1 27.2 34.1 22.6 30.0 29.0 35.3 24 3 32.8 31.6 36.7 115 SHC 30.9 40.7 39 2 49 2 32.5 43.7 42 1 51.0 34 2 46 6 44.7 52.4
kW 4 68 4 62 4 57 4 57 4 75 4 68 4 63 4 65 4 86 4.79 4.74 4 77 kW 7.58 7 46 7 33 7.31 7 74 7.62 7 53 7 55 7 90 7 78 7.68 7.72
Evap Air — Cfm/BF
50YX048 (4 Tons)
Temp (F)
Air Ent
Cond
1400/0.05
Evap Air — Cfm/BF
] ilsooToTos
Evap Air — Ewb (F)
1800/0.06
72 67 63* 62 72 67 63* 62 72 67 63* 62
TC 53 5 49 0 45.6 44.8 54 4 49 9 46.5 45.8 55 1 50 5 47.1 46 7
85 SHC 26 4 33.6 32 7 40.6 27.7 35 8 34 8 43.5 28.9 37.9 36.7 46.0
kW
4.35 4 27 4.22 4 21 4.45 4.38 4 33 4 31 4.55 4 48 4 43 4 42
TC 51 4 47.1 43 8 43.0 52.3 47.9 44 6 44.0 52 9 48 5 45.2 44 9
95 SHC 25.7 32.8 31.9 39 7 26 9 35.0 33.9 42.5 28 1 37.1 35 9 44 8
kW
4 77 4.69 4 64 4 62 4.88 4 80 4 74 4.73 4 98 4 90 4 84 4 83
TC 49.3 45.0 41 9 41 2 50.0 45 8 42 6 42 2 50 4 46.3 43 0 43.2
105 SHC 24.9 32 0 31 1 38 8 26 1 34 2 33.1 41 5 27.2 36 2 35.0 43.2
kW
5 24 5.15 5.09 5 07 5 35 5.26 5 20 5.18 5 42 5 36 5.28 5 30
TC 47 0 42 9 39 9 39 3 47 7 43 5 40.4 40 2 47.9 43.9 40 8 41 3
115 SHC 24.1 31 1 30.2 37.8 25.3 33.3 32.1 40.2 26 4 35.3 34.0 41.3
kW
5 74 5 65 5.58 5.56 5 85 5 76 5 66 5.68 5 93 5 83 5.76 5.78
LEGEND
Bypass Factor
Entering Dry-Bulb
Entering Wet-Bulb
Total Unit Power Input
Leaving Dry-Bulb
Leaving Wet-Bulb
Sensible Heat Capacity (1000 Btuh) Net
Total Capacity (1000 Btuh) Net
BF
Edb
Ewb
kW
Ldb
Lwb
SHC
TC
*At 75 F entering dry buib (Tennessee Vaiiey Authority [TVA] rating con­
ditions); aii others at 80 F entering dry buib.
NOTES:
1 Direct interpolation is permissible Do not extrapolate
2 The following formulas may be used:
sensible capacity (Btuh)
’edb ~ 7TT ;
1.10 X cfm
Wet-bulb temperature corresponding to enthalpy of air leaving
evaporator coil (hj^^jj)
total capacity (Btuh)
’ldb =
lwb
’'lwb ’'ewb
4 5 X cfm
Where: hg^jj = Enthalpy of air entering evaporator coil
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).