Trane Precedent RT-PRC005 User Manual page 48

Packaged cooling with electric heat rooftop units 3 - 10 tons - 60 hz
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Table PD-63 — 3-5 Tons Air Temperature Rise Across Electric Heaters (Degrees F)
3 Ton
1200 CFM
Single Phase
kW
Stages
T#C036A1
T#C036A3,A4,AW
5.00
1
13.2
6.00
1
7 .50
2
10.00
2
26.3
10.90
2
12.00
2
13.80
2
36.4
14.40
2
17 .40
2
17 .60
2
23.00
2
For minimum design airflow, see airflow performance table for each unit.
To calculate temp rise at different air flow, use following formula:
NOTE:
1. Minimum allowable aiflow with a 17.4 or 17.6 KW heater is 1440 cfm.
Table PD-64 — 6-10 Tons Air Temperature Rise Across Electric Heaters (Degrees F)
2000 CFM
kW
Stages
T#C072A3, A4, AW
9.00
1
14.2
11.30
1
16.90
2
18.00
1
28.5
22.60
2
27 .00
2
42.7
33.80
2
36.00
2
56.9
54.00
2
For minimum design airflow, see airflow performance table for each unit.
To calculate temp rise at different air flow, use following formula:
NOTE:
1. Minimum allowable aiflow with a 17.4 or 17.6 KW heater is 1440 cfm.
Table PD-65— Hot Gas Reheat Temperature Rise
SCFM
Leaving Evaporator Dry Bulb [F]
5 Tons
35
40
1000
23.7
23.6
1200
22.6
22.4
1400
21.4
21.2
1600
20.3
20.1
1800
19.1
18.9
2000
17.9
17.8
2200
16.8
16.6
2400
15.6
15.4
10 Tons
35
40
2000
26.0
26.5
2400
23.5
24.1
2800
21.1
21.8
3200
18.7
19.5
3600
16.2
17.2
4000
13.8
14.9
4400
11.3
12.5
4800
8.9
10.2
NOTES:
1. Temperature rise does not account for indoor fan heat.
2. 70 deg OD Ambient Temperature.
3. For units with the Dehumidification (Hot Gas Reheat) option.
48
Performance
Data
1600 CFM
Three Phase
Single Phase
T#C048A1
9.9
15.8
19.8
31.6
27 .3
45.8
34.8
Temp. Rise across Elect. Htr =
6Ton
T#C090A3, A4, AW
TSC072AK T#C092A3, A4, AW
9.5
14.9
22.3
19.0
29.8
28.5
37 .9
Temp. Rise across Elect. Htr =
3
45
50
55
23.4
23.2
23.0
22.2
22.0
21.8
21.0
20.9
20.7
19.9
19.7
19.5
18.7
18.5
18.4
17.6
17.4
17.2
16.4
16.2
16.0
15.2
15.1
14.9
45
50
55
26.9
27.4
27.9
24.7
25.3
25.9
22.5
23.3
24.0
20.3
21.2
22.0
18.1
19.1
20.1
15.9
17.0
18.1
13.7
14.9
16.1
11.5
12.9
14.2
4 Ton
1
Three Phase
Single Phase
T#C048A3,A4,AW
T#C060A1
7 .9
11.9
15.8
23.7
21.8
34.4
27 .8
KW x 3414
1.08 x CFM
7½Ton
3000 CFM
TSC090AK
T#C102A3, A4, AW
8.4
11.9
17 .8
16.7
23.8
25.1
33.5
kW x 3414
1.08 x CFM
60
65
22.8
22.5
21.6
21.3
20.4
20.2
19.3
19.0
18.1
17.8
16.9
16.6
15.7
15.4
14.6
14.3
60
65
28.3
28.6
26.4
26.9
24.6
25.1
22.7
23.4
20.8
21.6
19.0
19.8
17.1
18.1
15.3
16.3
5 Ton
2000 CFM
Three Phase
T#C060A3,A4,AW
9.5
19.0
27 .5
36.4
8½Ton
1
3400 CFM
4000 CFM
TSC102AK
T#C120A3,A4,AW
15.7
14.2
21.0
21.3
28.5
42.7
TSC060AK
11.9
17 .2
22.8
10 Ton
TSC120AK
13.4
17 .9
26.7
RT -PRC005-EN

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