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  Trane Company (The)   Packaged Rooftop Air Conditioners -RT-DS-8  

Packaged Rooftop Air Conditioners - RT-DS-8 - Page 833

   

Packaged Rooftop Air Conditioners -RT-DS-8

Performance Data

Table 34.1 -- Natural Gas Heating Capacities

Tons Module (MBh) (MBh) 4000 5000 5760 6000 6284 7000 8000 9000 9792 10000 10682 10830 11200 11750 12000 13500 15000
20 Low 235 192.7 44 36 31 30 28 25 22 20                  
  High 500 410.0     66 63 60 54 47 42                  
25 Low 235 192.7   36 31 30 28 25 22 20 18 18 17 16          
  High 500 410.0     66 63 60 54 47 42 39 38 35 35 34        
30 Low 350 287.0       44 42 38 33 29 27 26 25 24 24 23 22 20  
  High 500 410.0         60 54 47 42 39 38 35 35 34 32 31 28  
40 Low 350 287.0             33 29 27 26 25 24 24 23 22 20 18
  High 850 697.0                 66 64 60 59 57 55 54 48 43
50 Low 500 410.0                   38 35 35 34 32 31 28 25
  High 850 697.0                     60 59 57 55 54 48 43
55 Low 500 410.0                   38 35 35 34 32 31 28 25
  High 850 697.0                           55 54 48 43
60 Low 500 410.0                             31 28 25
  High 850 697.0                             54 48 43
70 Low 500 410.0                             31 28 25
  High 850 697.0                             54 48 43
75 Low 500 410.0                             31 28 25
  High 850 697.0                             54 48 43

 

Tons Module (MBh) (MBh) 16129 18000 20000 22500 230040 25000 27000 29377 30000
20 Low 235 192.7                  
  High 500 410.0                  
25 Low 235 192.7                  
  High 500 410.0                  
30 Low 350 287.0                  
  High 500 410.0                  
40 Low 350 287.0 16                
  High 850 697.0 40 36              
50 Low 500 410.0 23 21 19 17          
  High 850 697.0 40 36 32 29          
55 Low 500 410.0 23 21 19 17 16        
  High 850 697.0 40 36 32 29 28 26      
60 Low 500 410.0 23 21 19 17 16 15 14    
  High 850 697.0 40 36 32 29 28 26 24    
70 Low 500 410.0 23 21 19 17 16 15 14 13 13
  High 850 697.0 40 36 32 29 28 26 24 22  
75 Low 500 410.0 23 21 19 17 16 15 14 13 13
  High 850 697.0 40 36 32 29 28 26 24 22  

Note:

1. All heaters are 82% efficient.

2. Cfm values below the minimums and above the maximums shown in this table are not UL/CSA approved, see RT-EB-104 for further details.

3. Air Temperature Rise = Heat Output (Btu) ÷ (Cfm x 1.085).

 

Table 34.2 -- Natural Gas Heating Capacities

 

Nominal Tons

  

Gas Heat Module

  

Heat Input (MBh)

  

Heat Output (MBh)

 Air Temperature Rise Vs Unit Cfm

CFM
28,350 30,250 32,550 34,750 37,000 39,250 41,500 43,000 46,000
90 High 1000 820 27 25 23 22 20 19 18 18  
105 High 1000 820 - - 23 22 20 19 18 18 16
115 High 1000 820 - - 23 22 20 19 18 18 16
130 High 1000 820 - - 23 22 20 19 18 18 16

Note:

1. All heaters are 82% efficient.

2. Cfm values below the minimums and above the maximums shown in this table are not UL/CSA approved, see RT-EB-104 for further details.

3. Air Temperature Rise = Heat Output (Btu) ÷ (Cfm x 1.085).

 

Table 34.3 -- Steam Heating Heating Capacities (Q/ITD)1

20 Nominal Ton Unit

Steam

Module

Unit Standard Air Volume (Cfm)
4000 6000 8000 10000 10000
Low Heat 0.95 1.18 1.37 1.52
High Heat 1.94 2.47 2.95 3.31

30 Nominal Ton Unit

Steam Module

Unit Standard Air Volume (Cfm)
6000 9000 12000 15000 15000
Low Heat 1.18 1.64 1.69 2.00
High Heat 2.47 3.12 3.59 3.95

25 Nominal Ton Unit

Steam Module

Unit Standard Air Volume (Cfm)
5000 7500 10000 12500 12500
Low Heat 1.06 1.33 1.52 1.74
High Heat 2.20 2.85 3.31 3.65

40 Nominal Ton Unit

Steam Module

Unit Standard Air Volume (Cfm)
8000 12000 16000 20000 20000
Low Heat 1.61 2.01 2.29 2.60
High Heat 3.36 4.28 4.93 5.43

55 Nominal Ton Unit

Steam Module

Unit Standard Air Volume (Cfm
11000 16500 22000 27500 27500
Low Heat 1.91 2.38 2.72 2.92
High Heat 4.09 5.01 5.64 6.41

50 Nominal Ton Unit

Steam Module

Unit Standard Air Volume (Cfm)
10000 15000 20000 25000 25000
Low Heat 1.82 2.21 2.60 2.85
High Heat 3.86 4.79 5.43 5.97

60 Nominal Ton Unit

Steam Module

Unit Standard Air Volume (Cfm)
12000 18000 24000 30000 30000
Low Heat 2.32 2.81 3.33 3.71
High Heat 3.85 4.84 5.62 6.18

90, 105, 115, 130 Nominal Ton Unit

Steam

Module

Unit Standard Air Volume (Cfm)
27000 33000 40000 46000 46000
Low Heat 5.17 5.70 6.19 6.53
High Heat 8.83 8.80 9.04 9.26

70 & 75 Nominal Ton Unit

Steam Module

Unit Standard Air Volume (Cfm)
16000 20000 24000 30000 30000
Low Heat 2.65 2.98 3.33 3.71
High Heat 4.50 5.10 5.62 6.18

Note:

1. Capacities expressed as MBH (Q) per initial temperature difference (ITD) between the entering air temperature to the steam module and the entering steam temperature. Maximum recommended operating pressure is 35 PSIG.

Table 34.4 -- Properties of Steam

Steam Pressure (Psig) 2 5 10 15 20 25 30 40 50
Temperature Of Steam (F) 219 227 239 250 259 267 274 287 298

 

 



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