Carrier WeatherMaker 48TC Series Product Data page 37
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 16 – COOLING CAPACITIES
48TC05 (4 TONS) --- UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE
Temp (F) Air Ent
Condenser (Edb)
1200
TC
52.5
SHC
22.6
75
kW
TC
48.7
SHC
18.0
85
kW
TC
44.9
SHC
13.4
95
kW
TC
41.1
SHC
105
kW
TC
37.4
SHC
115
kW
48TC05 (4 TONS) --- UNIT WITH HUMIDI---MIZER SYSTEM IN HOT GAS REHEAT MODE
Temp (F) Air Ent
Condenser (Edb)
1200
TC
11.6
SHC
--- 1.0
80
kW
TC
12.5
SHC
--- 0.7
75
kW
TC
13.4
70
SHC
--- 0.5
kW
TC
15.1
SHC
60
kW
TC
16.9
SHC
50
kW
TC
18.7
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
1600
2000
55.9
58.6
25.5
27.8
2.5
2.5
2.5
52.2
54.9
21.3
23.9
2.9
2.9
2.9
48.4
51.2
17.2
20.0
3.4
3.4
3.4
44.7
47.5
8.8
13.0
16.1
3.8
3.8
3.8
41.0
43.9
4.3
8.8
12.2
4.2
4.2
4.2
Air Entering Evaporator --- CFM
75 dry bulb
62.5 wet bulb (50% relative)
1600
2000
13.8
15.5
1.2
3.0
2.5
2.5
2.5
14.6
16.2
1.4
3.0
2.5
2.5
2.5
15.3
16.8
1.5
3.0
2.5
2.5
2.5
16.8
18.1
0.0
1.7
3.1
2.6
2.6
2.6
18.3
19.4
0.6
2.0
3.1
2.6
2.6
2.6
19.8
20.7
1.1
2.2
3.1
2.6
2.6
2.6
80 dry bulb
67 wet bulb
1200
1600
2000
47.1
50.2
52.7
27.1
29.9
32.0
2.5
2.5
2.5
43.4
46.5
49.0
23.6
26.8
29.2
2.9
2.9
2.9
39.6
42.8
45.3
20.2
23.7
26.4
3.3
3.3
3.3
35.9
39.1
41.7
16.7
20.6
23.6
3.7
3.7
3.7
32.1
35.4
38.0
13.3
17.5
20.7
4.2
4.2
4.2
75 dry bulb
64 wet bulb (55% relative)
1200
1600
2000
13.5
15.8
17.6
--- 3.1
--- 0.8
0.9
2.5
2.5
2.5
14.3
16.4
18.1
--- 2.7
--- 0.6
1.1
2.5
2.5
2.5
15.1
17.1
18.7
--- 2.3
--- 0.3
1.2
2.5
2.5
2.5
16.7
18.4
19.8
--- 1.5
0.2
1.5
2.6
2.6
2.6
18.3
19.8
20.9
--- 0.7
0.7
1.8
2.6
2.6
2.6
19.9
21.1
22.0
0.1
1.2
2.1
2.7
2.7
2.7
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
37
80 dry bulb
62 wet bulb
1200
1600
41.7
44.5
31.6
34.2
2.5
2.5
38.0
40.8
29.3
32.2
2.9
2.9
34.3
37.1
27.0
30.2
3.3
3.3
30.6
33.5
24.6
28.2
3.7
3.7
26.8
29.8
22.3
26.2
4.1
4.1
75 dry bulb
65.3 wet bulb (60% relative)
1200
1600
15.2
17.5
--- 4.8
--- 2.6
2.5
2.5
15.9
18.1
--- 4.3
--- 2.2
2.5
2.5
16.6
18.7
--- 3.8
--- 1.9
2.5
2.5
18.1
19.9
--- 2.8
--- 1.1
2.6
2.6
19.6
21.0
--- 1.8
--- 0.4
2.6
2.6
21.0
22.2
--- 0.8
0.4
2.7
2.7
1.10 x cfm
)
lwb
4.5 x cfm
4 TONS
2000
46.8
36.2
2.5
43.1
34.4
2.9
39.4
32.7
3.3
35.8
31.0
3.7
32.1
29.2
4.1
2000
19.3
--- 0.9
2.5
19.8
--- 0.6
2.5
20.3
--- 0.3
2.5
21.2
0.2
2.6
22.2
0.7
2.6
23.2
1.3
2.7
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