Kenmore N8MSL0701412A1 Installation Instructions Manual page 37

80% single stage psc motor category i, gas furnace
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Table 16--Orifice
Size* and Manifold Pressure in. w.c. for Gas Input Rate
(Tabulated data based on 21,000 btuh per burner, derated 4 percent for each 1000 ft. (305 M) above sea level)
ALTITUDE
RANGE
FT. (M)
0 to 2000
U.S.A.
(0 to 610)
2001 to
U.S.A.
3000
(6t 0 to
914)
3001 to
4000
U.S.A.
(914 to
1219)
4001 to
5000
U.S.A.
(1219 to
1524)
5001 to
6000
U.S.A.
(1524 to
1829)
6001 to
7000
U.S.A.
(1829 to
2134)
* Orifice numbers 43 are facton
441 01 1402
02
SPECIFIC GRAVITY OF NATURAL GAS
AVG, GAS
0,58
0,60
0,62
0,64
HEAT VALUE
AT ALTITUDE
Orifice
Manifold
Orifice
Manifold
Orifice
Manifold
Orifice
Manifold
(BTU/CU FT.)
No,
Pressure
No,
Pressure
No,
Pressure
No,
Pressure
900
42
3.2
42
3.3
42
3.4
42
3.5
925
43
3.7
43
3.8
42
3.2
42
3.3
950
43
3.5
43
3.6
43
3.7
43
3.8
975
43
3.3
43
3.4
43
3.5
43
3.7
1000
44
3.6
43
3.3
43
3.4
43
3.5
1025
44
3.4
44
3.6
43
3.2
43
3.3
1050
44
3.3
44
3.4
44
3.5
43
3.2
1075
45
3.8
44
3.2
44
3.3
44
3.4
1100
46
3.8
45
3.7
44
3.2
44
3.3
800
43
3.8
42
3.2
42
3.3
42
3.4
825
43
3.5
43
3.7
43
3.8
42
3.2
850
43
3.3
43
3.5
43
3.6
43
3.7
875
43
3.2
43
3.3
43
3.4
43
3.5
900
43
3.0
43
3.1
43
3.2
43
3.3
925
43
2.8
43
2.9
43
3.0
43
3.1
950
43
2.7
43
2.8
43
2.9
43
2.9
975
43
2.5
43
2.6
43
2.7
43
2.8
1000
43
2.4
43
2.5
43
2.6
43
2.7
775
43
3.5
43
3.7
43
3.8
42
3.2
800
43
3.3
43
3.4
43
3.5
43
3.7
825
43
3.1
43
3.2
43
3.3
43
3.4
850
43
2.9
43
3.0
43
3.1
43
3.2
875
43
2.8
43
2.9
43
3.0
43
3.1
900
43
2.6
43
2.7
43
2.8
43
2.9
925
43
2.5
43
2.6
43
2.7
43
2.7
950
43
2.4
43
2.4
43
2.5
43
2.6
750
43
3.3
43
3.4
43
3.5
43
3.6
775
43
3.1
43
3.2
43
3.3
43
3.4
800
43
2.9
43
3.0
43
3.1
43
3.2
825
43
2.7
43
2.8
43
2.9
43
3.0
850
43
2.6
43
2.7
43
2.8
43
2.8
875
43
2.4
43
2.5
43
2.6
43
2.7
900
43
2.3
43
2.4
43
2.5
43
2.5
925
43
2.2
43
2.2
43
2.3
43
2.4
725
43
3.1
43
3.2
43
3.3
43
3.4
750
43
2.9
43
3.0
43
3.1
43
3.2
775
43
2.7
43
2.8
43
2.9
43
3.0
800
43
2.5
43
2.6
43
2.7
43
2.8
825
43
2.4
43
2.5
43
2.5
43
2.6
850
43
2.2
43
2.3
43
2.4
43
2.5
875
43
2.1
43
2.2
43
2.3
43
2.3
900
43
2.0
43
2.1
43
2.1
43
2.2
675
43
3.1
43
3.2
43
3.3
43
3.4
700
43
2.9
43
3.0
43
3.1
43
3.2
725
43
2.7
43
2.8
43
2.9
43
2.9
750
43
2.5
43
2.6
43
2.7
43
2.8
775
43
2.3
43
2.4
43
2.5
43
2.6
800
43
2.2
43
2.3
43
2.3
43
2.4
825
43
2.1
43
2.1
43
2.2
43
2.3
850
48
3.7
43
2.0
43
2.1
43
2.1
installed.
37

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