International comfort products H8UH5050B12C2, Installation Instructions Manual

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Specifications are subject to change without notice
MANIFOLD PRESSURE AND ORIFICE SIZE FOR HIGH ALTITUDE APPLICATIONS
Table 5
NATURAL GAS MANIFOLD PRESSURE (in wc) For Models 050 thru 125
MEAN ELEVATION FEET ABOVE SEA LEVEL
HEATING
VALUE
at ALTITUDE
BTU/CU. FT.
0 to
2000
2001 to
3000
3001 to
4000
4001 to
5000
5001 to
6000
6001 to
7000
7001 to
8000
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
700 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 41 3.7
725 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 41 3.7 41 3.4
750 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 41 3.5 42 3.6
775 ---- ---- ---- ---- ---- ---- ---- ---- 41 3.6 42 3.6 42 3.3
800 ---- ---- ---- ---- ---- ---- 41 3.6 42 3.7 42 3.4 42 3.1
825 ---- ---- ---- ---- 41 3.7 41 3.4 42 3.5 42 3.2 42 2.9
850 ---- ---- ---- ---- 41 3.5 42 3.6 42 3.3 42 3.0 42 2.8
875 ---- ---- 41 3.6 42 3.6 42 3.4 42 3.1 42 2.8 42 2.6
900 ---- ---- 42 3.7 42 3.4 42 3.2 42 2.9 42 2.7 42 2.5
925 41 3.7 42 3.5 42 3.3 42 3.0 42 2.8 42 2.5 44 3.3
950 41 3.5 42 3.3 42 3.1 42 2.9 42 2.6 42 2.4 44 3.1
975 42 3.7 42 3.2 42 2.9 42 2.7 42 2.5 44 3.2 45 3.6
1000 42 3.5 42 3.0 42 2.8 42 2.6 42 2.4 45 3.7 45 3.4
1050 42 3.2 42 2.7 42 2.5 44 3.3 45 3.6 ---- ---- ---- ----
1100 43 3.6 42 2.5 44 3.2 45 3.6 ---- ---- ---- ---- ---- ----
Conversion: 1 in wc = .25 kPa
NOTE: Natural gas data is based on 0.60 specific gravity. For fuels with different specific gravity consult the National Fuel Gas Code
ANSI Z223.1--2006/NFPA 54--2006 or National Standard of Canada, Natural Gas And Propane Installation Code CSA B149.1--05.
Table 6 PROPANE GAS MANIFOLD PRESSURE (in wc) For Models 050 thru 125
HEATING VALUE
at ALTITUDE
BTU/CU. FT.
MEAN ELEVATION FEET ABOVE SEA LEVEL
0 to
2000
2001 to
3000
3001 to
4000
4001 to
5000
5001 to
6000
6001 to
7000
7001 to
8000
2500 10.0 10.0 9.0 10.0 9.4 8.5 10.0
Orifice Size #54 #54 #54 #55 #55 #55 #56
Conversion: 1 in wc = .25 kPa
NOTE: Propane data is based on 1.53 specific gravity. For fuels with different specific gravity consult the National Fuel Gas Code ANSI Z223.1--2006/NFPA
54--2006 or National Standard Of Canada, Natural Gas And Propane Installation Code CSA B149.1--05.
Table 7
NATURAL GAS MANIFOLD PRESSURE (in wc) For Models 140
MEAN ELEVATION FEET ABOVE SEA LEVEL
HEATING
VALUE
at ALTITUDE
BTU/CU. FT.
0 to
2000
2001 to
3000
3001 to
4000
4001 to
5000
5001 to
6000
6001 to
7000
7001 to
8000
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
700 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 42 3.6
725 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 42 3.6 42 3.3
750 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 42 3.4 42 3.1
775 ---- ---- ---- ---- ---- ---- ---- ---- 42 3.4 42 3.2 42 2.9
800 ---- ---- ---- ---- ---- ---- 42 3.5 42 3.2 42 3.0 42 2.7
825 ---- ---- ---- ---- 42 3.6 42 3.3 42 3.0 42 2.8 42 2.6
850 ---- ---- ---- ---- 42 3.4 42 3.1 42 2.8 42 2.6 42 2.4
875 ---- ---- 42 3.4 42 3.2 42 2.9 42 2.7 42 2.5 44 3.2
900 ---- ---- 42 3.2 42 3.0 42 2.8 42 2.6 44 3.3 45 3.6
925 42 3.6 42 3.1 42 2.8 42 2.6 42 2.4 44 3.1 46 3.6
950 42 3.4 42 2.9 42 2.7 42 2.5 44 3.2 45 3.6 46 3.4
975 42 3.2 42 2.8 42 2.6 42 2.4 45 3.7 46 3.5 47 3.7
1000 42 3.1 42 2.6 42 2.4 44 3.1 46 3.7 46 3.4 47 3.5
1050 43 3.4 42 2.4 45 3.7 46 3.6 46 3.3 ---- ---- ---- ----
1100 44 3.6 45 3.7 46 3.6 47 3.7 ---- ---- ---- ---- ---- ----
Conversion: 1 in wc = .25 kPa
NOTE: Natural gas data is based on 0.60 specific gravity. For fuels with different specific gravity consult the National Fuel Gas Code
ANSI Z223.1--2006/NFPA 54--2006 or National Standard of Canada, Natural Gas And Propane Installation Code CSA B149.1--05.