Carrier WeatherMaker 48TC Series Product Data page 41
Carrier gas heat/electric cooling packaged rooftop 3 to 15 nominal tons
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Also See for WeatherMaker 48TC Series:
- Service and maintenance instructions (112 pages) ,
- Installation instructions manual (64 pages) ,
- User's information manual (8 pages)
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Table 20 – COOLING CAPACITIES
48TC07 (6 TONS) --- UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE
Temp (F) Air Ent
Condenser (Edb)
2100
TC
86.7
SHC
40.1
75
kW
TC
79.5
SHC
32.1
85
kW
TC
72.4
SHC
24.1
95
kW
TC
65.2
SHC
16.2
105
kW
TC
58.0
SHC
115
kW
48TC07 (6 TONS) --- UNIT WITH HUMIDI---MIZER SYSTEM IN HOT GAS REHEAT MODE
Temp (F) Air Ent
Condenser (Edb)
2100
TC
16.7
SHC
80
kW
TC
17.7
SHC
75
kW
TC
18.6
70
SHC
kW
TC
20.5
SHC
60
kW
TC
22.4
SHC
50
kW
TC
24.3
40
SHC
kW
LEGEND
Edb --- Entering Dry--- Bulb
Ewb --- Entering Wet--- Bulb
kW
--- Compressor Motor Power Input
Idb
--- Leaving Dry--- Bulb
Iwb
--- Leaving Wet--- Bulb
SHC --- Sensible Heat Capacity (1000 Btuh) Gross
TC
--- Total Capacity (1000 Btuh) Gross
1- - STAGE COOLING
Air Entering Evaporator --- CFM
80 dry bulb
72 wet bulb
2400
2700
89.9
92.8
41.8
43.3
4.3
4.3
4.3
82.6
85.4
34.0
35.7
5.0
5.0
5.0
75.3
78.1
26.3
28.1
5.8
5.8
5.8
68.1
70.7
18.5
20.5
6.5
6.5
6.5
60.8
63.3
8.2
10.7
13.0
7.2
7.2
7.2
Air Entering Evaporator --- CFM
75 dry bulb
62.5 wet bulb (50% relative)
2400
2700
19.8
22.5
0.6
0.6
0.6
4.0
4.0
4.0
20.6
23.1
0.6
0.6
0.6
4.0
4.0
4.0
21.3
23.7
0.7
0.7
0.7
4.0
4.0
4.0
22.9
25.0
0.7
0.7
0.7
4.1
4.1
4.1
24.4
26.2
0.8
0.8
0.8
4.1
4.1
4.1
25.9
27.4
0.8
0.8
0.8
4.1
4.1
4.1
80 dry bulb
67 wet bulb
2100
2400
2700
79.3
82.3
84.9
46.9
48.5
49.9
4.2
4.2
4.2
72.5
75.3
77.9
40.7
42.5
44.1
5.0
5.0
5.0
65.6
68.3
70.8
34.6
36.6
38.3
5.7
5.7
5.7
58.7
61.4
63.8
28.5
30.6
32.6
6.4
6.4
6.4
51.9
54.4
56.7
22.3
24.7
26.8
7.1
7.1
7.1
75 dry bulb
64 wet bulb (55% relative)
2100
2400
2700
18.8
21.9
24.7
--- 0.4
--- 0.4
--- 0.4
4.0
4.0
4.0
19.6
22.6
25.3
--- 0.3
--- 0.3
--- 0.3
4.0
4.0
4.0
20.5
23.3
25.8
--- 0.2
--- 0.2
--- 0.2
4.1
4.1
4.1
22.2
24.7
26.8
--- 0.0
--- 0.0
--- 0.0
4.1
4.1
4.1
24.0
26.0
27.9
0.1
0.1
0.1
4.1
4.1
4.1
25.7
27.4
28.9
0.3
0.3
0.3
4.2
4.2
4.2
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
t
= t
–
ldb
edb
t
= Wet--- bulb temperature corresponding to enthalpy of air
lwb
leaving evaporator coil (h
total capacity (Btuh)
h
= h
–
lwb
ewb
Where: h
= Enthalpy of air entering evaporator coil
ewb
41
80 dry bulb
62 wet bulb
2100
2400
71.9
74.6
53.7
55.2
4.2
4.2
65.4
68.0
49.4
51.0
4.9
4.9
58.8
61.3
45.1
46.9
5.6
5.6
52.3
54.7
40.7
42.8
6.3
6.3
45.7
48.0
36.4
38.6
7.0
7.0
75 dry bulb
65.3 wet bulb (60% relative)
1750
2000
16.2
19.4
--- 1.3
--- 1.3
4.0
4.0
17.3
20.3
--- 1.2
--- 1.2
4.0
4.0
18.3
21.1
--- 1.0
--- 1.0
4.1
4.1
20.4
22.8
--- 0.7
--- 0.7
4.1
4.1
22.4
24.5
--- 0.4
--- 0.4
4.2
4.2
24.5
26.3
--- 0.1
--- 0.1
4.2
4.2
1.10 x cfm
)
lwb
4.5 x cfm
6 TONS
2700
77.0
56.5
4.2
70.3
52.5
4.9
63.6
48.5
5.6
56.8
44.6
6.3
50.1
40.6
7.0
2700
26.7
--- 1.3
4.0
27.1
--- 1.2
4.0
27.6
--- 1.0
4.1
28.5
--- 0.7
4.1
29.3
--- 0.4
4.2
30.2
--- 0.1
4.2
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