Carrier 50TC - Page 38

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Table 12 (cont.) COOLING CAPACITIES 1--STAGE COOLING 6 TONS
5 0 T C 0 7 ( 6 T O N S ) --- U N I T W I T H H U M I D I --- M I Z E R S Y S T E M I N H O T G A S R E H E A T M O D E
A i r E n t e r i n g E v a p o r a t o r --- C F M
Tem p ( F ) A ir E n t
Condenser (Edb)
75 dry bulb 75 dry bulb 75 dry bulb
62.5 wet bulb (50% relative) 64 wet bulb (55% relative) 65.3 wet bulb (60% relative)
2100 2400 2700 2100 2400 2700 1750 2000 2700
80
TC 16.7 19.8 22.5 18.8 21.9 24.7 16.2 19.4 26.7
SHC 0.6 0.6 0.6 --- 0 . 4 --- 0 . 4 --- 0 . 4 --- 1 . 3 --- 1 . 3 --- 1 . 3
kW 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0
75
TC 17.7 20.6 23.1 19.6 22.6 25.3 17.3 20.3 27.1
SHC 0.6 0.6 0.6 --- 0 . 3 --- 0 . 3 --- 0 . 3 --- 1 . 2 --- 1 . 2 --- 1 . 2
kW 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0
70
TC 18.6 21.3 23.7 20.5 23.3 25.8 18.3 21.1 27.6
SHC 0.7 0.7 0.7 --- 0 . 2 --- 0 . 2 --- 0 . 2 --- 1 . 0 --- 1 . 0 --- 1 . 0
kW 4.0 4.0 4.0 4.1 4.1 4.1 4.1 4.1 4.1
60
TC 20.5 22.9 25.0 22.2 24.7 26.8 20.4 22.8 28.5
SHC 0.7 0.7 0.7 --- 0 . 0 --- 0 . 0 --- 0 . 0 --- 0 . 7 --- 0 . 7 --- 0 . 7
kW 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.1 4.1
50
TC 22.4 24.4 26.2 24.0 26.0 27.9 22.4 24.5 29.3
SHC 0.8 0.8 0.8 0.1 0.1 0.1 --- 0 . 4 --- 0 . 4 --- 0 . 4
kW 4.1 4.1 4.1 4.1 4.1 4.1 4.2 4.2 4.2
40
TC 24.3 25.9 27.4 25.7 27.4 28.9 24.5 26.3 30.2
SHC 0.8 0.8 0.8 0.3 0.3 0.3 --- 0 . 1 --- 0 . 1 --- 0 . 1
kW 4.1 4.1 4.1 4.2 4.2 4.2 4.2 4.2 4.2
50TC07 (6 TONS) --- UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE
A i r E n t e r i n g E v a p o r a t o r --- C F M
Tem p ( F ) A ir E n t
Condenser (Edb)
80 dry bulb 80 dry bulb 80 dry bulb
72 wet bulb 67 wet bulb 62 wet bulb
2100 2400 2700 2100 2400 2700 2100 2400 2700
75
TC 86.7 89.9 92.8 79.3 82.3 84.9 71.9 74.6 77.0
SHC 40.1 41.8 43.3 46.9 48.5 49.9 53.7 55.2 56.5
kW 4.3 4.3 4.3 4.2 4.2 4.2 4.2 4.2 4.2
85
TC 79.5 82.6 85.4 72.5 75.3 77.9 65.4 68.0 70.3
SHC 32.1 34.0 35.7 40.7 42.5 44.1 49.4 51.0 52.5
kW 5.0 5.0 5.0 5.0 5.0 5.0 4.9 4.9 4.9
95
TC 72.4 75.3 78.1 65.6 68.3 70.8 58.8 61.3 63.6
SHC 24.1 26.3 28.1 34.6 36.6 38.3 45.1 46.9 48.5
kW 5.8 5.8 5.8 5.7 5.7 5.7 5.6 5.6 5.6
105
TC 65.2 68.1 70.7 58.7 61.4 63.8 52.3 54.7 56.8
SHC 16.2 18.5 20.5 28.5 30.6 32.6 40.7 42.8 44.6
kW 6.5 6.5 6.5 6.4 6.4 6.4 6.3 6.3 6.3
115
TC 58.0 60.8 63.3 51.9 54.4 56.7 45.7 48.0 50.1
SHC 8.2 10.7 13.0 22.3 24.7 26.8 36.4 38.6 40.6
kW 7.2 7.2 7.2 7.1 7.1 7.1 7.0 7.0 7.0
125
TC 50.8 53.5 55.9 45.0 47.4 49.6 39.2 41.4 43.4
SHC 0.2 3.0 5.4 16.2 18.7 21.0 32.1 34.5 36.6
kW 8.0 8.0 8.0 7.8 7.8 7.8 7.7 7.7 7.7
LEGEND
Edb --- E n t e r i n g D r y --- B u l b
Ewb --- E n t e r i n g W e t --- B u l b
kW --- Compressor Motor Power Input
Idb --- L e a v i n g D r y --- B u l b
Iwb --- L e a v i n g W e t --- B u l b
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:
t
ldb
=t
edb
–
sensible capacity (Btuh)
1.10 x cfm
t
lwb
= Wet---bulb temperature corresponding to enthalpy of air
leaving evaporator coil (h
lwb
)
h
lwb
=h
ewb
–
total capacity (Btuh)
4.5 x cfm
Where: h
ewb
= Enthalpy of air entering evaporator coil
50TC