Trane IntelliPak Installation, Operation And Maintenance Manual page 49

Table 18. Sizing natural gas pipe mains and branches
Gas Input (Cubic Feet/Hour)*
Gas Supply
Pipe Run 1-¼" 1-½"
(ft) Pipe Pipe
10 1050 1600
20 730 1100
30 590 890
40 500 760
50 440 670
60 400 610
70 370 560
80 350 530
90 320 490
100 305 460
125 275 410
150 250 380
175 225 350
200 210 320
* Table is based on a specific gravity of 0.60. Use
gravity of the local gas supply.
Table 19. Modulating gas heat settings
Heater Size (MBH) Gas Orifice
500
850
1000
Heater Size (MBH) Gas Orifice
500
850
1000
Note: Valve actuator settings are approximate and may require "fine tuning" to properly set. Right (fine) settings given are in notches from the "zero"
midpoint location on sight gage.
RT-SVX36K-EN
2" 2-½" 3"
Pipe Pipe Pipe
3050 4800 8500
2100 3300 5900
1650 2700 4700
1450 2300 4100
1270 2000 3600
1150 1850 3250
1050 1700 3000
990 1600 2800
930 1500 2600
870 1400 2500
780 1250 2200
710 1130 2000
650 1050 1850
610 980 1700
Table 23 for the specific
Full Modulation
Air Damper
Actuator Voltage
Range (VDC)
#21 7 - 10
#H 6 - 10
#N 5 - 10
Full Modulation
Air Damper
Actuator Voltage
Range (VDC)
#34 / #53 7 - 10
#32 6 - 10
#29 5 - 10
4"
Pipe
17500
12000
9700
8300
7400
6800
6200
5800
5400
5100
4500
4100
3800
3500
Natural Gas
Partial Modulation
Air Damper
Actuator Voltage
Range (VDC)
7 - 9.7
6 - 8.7
5 - 8.7
LP
Partial Modulation
Air Damper
Actuator Voltage
Range (VDC)
7 - 9.7
6 - 8.7
5 - 8.7
Installation
Gas Valve Settings
Left Setting Right Setting
Pgas/ Pair (Low fire bias)
2.3 -1
1.3 -1
0.9 0
Gas Valve Settings
Left Setting Right Setting
Pgas/ Pair (Low fire bias)
6 1
3.2 1
1.9 0
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