Trane GRAA Installation, Operation And Maintenance Manual page 27

Table 4. Gas Supply Pressure
MUA-SVX004B-EN
Heating Value
Manifold Pressure
Single Stage Application
Two Stage Application - High Fire
Two Stage Application - Low Fire
Modulating Application - High Fire
Modulating Application - Low Fire
Minimum Supply Pressure
Single Stage Application
Two Stage Application
Modulating Application
Maximum Supply Pressure
Natural Gas
1075 Btu/Ft 3 (40.1 MJ/m 3 )
3.5 inch WC (0.87 kPa)
3.5 inch WC (0.87 kPa)
1.1 inch WC (0.27 kPa)
3.5 inch WC (0.87 kPa)
0.9 inch WC (0.22 kPa)
5.0 inch WC (1.24 kPa)
6.5 inch WC (1.62 kPa)
6.5 inch WC (1.62 kPa)
14.0 inch WC (3.49 kPa)
O O p p e e r r a a t t i i o o n n
Propane Gas
2500 Btu/Ft 3 (93.1 MJ/m 3 )
10.0 inch WC (2.49 kPa)
10.0 inch WC (2.49 kPa)
3.8 inch WC (0.95 kPa)
10.0 inch WC (2.49 kPa)
3.5 inch WC (0.87 kPa)
11.0 inch WC (2.74 kPa)
11.5 inch WC (2.86 kPa)
11.5 inch WC (2.86 kPa)
14.0 inch WC (3.49 kPa)
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