Bryant 352AAV Installation, Start-Up, And Operating Instructions Manual page 56

Table 15 - - Model 352AAV Orifice Size and High/Low-Heat Manifold Pressures for Correct Inputs (Continued)
AVG GAS
ALTITUDE
HEAT
RANGE
VALUE
FT (M) Orifice
(BTU/CU FT)
725
750
4001
775
to
800
5000
825
(1219
to
850
1524)
875
9%
900
derate
925
950
AVG GAS
ALTITUDE
HEAT
RANGE
VALUE
Orifice
FT (M)
(BTU/CU FT)
700
725
750
775
5001
800
to
6000
825
(1524
850
to
875
1829)
11%
900
derate
925
950
975
1000
AVG GAS
ALTITUDE
HEAT
RANGE
VALUE
Orifice
FT (M)
(BTU/CU FT)
650
675
6001
700
to
725
7000
750
(1829
to
775
2134)
800
13%
825
derate
850
875
* Orifice numbers shown in shading are factory installed.
NOTE: Percents of derate are based on midpoints of U.S. altitude ranges.
for Use With 060 Through 120 Size Furnaces Only
(Tabulated Data Based on 20,000/13,000 Btuh per Burner,
Derated 2 Percent for Each 1000 ft (305 M) Above Sea Level)*
0.58 0.60
Manifold Orifice
no. Pressure no.
43 3.7/1.5 43
44 3.4/1.4 43
44 3.7/1.6 44
44 3.51.5 44
44 3.2/1.4 44
45 3.5/1.5 45
45 3.3/1.4 45
45 3.3/1.4 45
47 3.7/1.6 45
47 3.5/1.5 47
0.58 0.60
Manifold Orifice
no. Pressure no.
43 3.6/1.5 43
43 3.4/1.4 43
44 3.6/1.5 44
44 3.4/1.4 44
44 3.2/1.3 44
45 3.6/1.5 45
45 3.4/1.4 45
45 3.2/1.4 45
47 3.6/1.5 47
47 3.4/1.4 47
48 3.7/1.6 48
48 3.5/1.5 48
48 3.3/1.4 48
0.58 0.60
Manifold Orifice
no. Pressure no.
42 3.2/1.3 42
43 3.6/1.5 43
44 3.8/1.6 43
44 3.6/1.5 44
44 3.3/1.4 44
45 3.8/1.6 44
45 3.5/1.5 45
45 3.3/1.4 45
47 3.7/1.6 45
47 3.5/1.5 47
SPECIFIC GRAVITY OF NATURAL GAS
0.62
Manifold Orifice Manifold
Pressure no. Pressure
3.8/1.6 42 3.2/1.4
3.5/1.5 43 3.7/1.5
3.8/1.6 43 3.4/1.4
3.6/1.5 44 3.7/1.6
3.4/1.4 44 3.5/1.5
3.8/1.6 44 3.3/1.4
3.6/1.5 45 3.7/1.6
3.4/1.4 45 3.5/1.5
3.2/1.4 45 3.3/1.4
3.6/1.5 45 3.2/1.3
SPECIFIC GRAVITY OF NATURAL GAS
0.62
Manifold Orifice Manifold
Pressure no. Pressure
3.7/1.6 42 3.2/1.3
3.5/1.5 43 3.6/1.5
3.7/1.6 43 3.4/1.4
3.5/1.5 44 3.6/1.5
3.3/1.5 44 3.4/1.4
3.7/1.6 44 3.2/1.4
3.5/1.5 45 3.6/1.5
3.3/1.4 45 3.4/1.5
3.7/1.6 45 3.3/1.4
3.5/1.5 47 3.7/1.5
3.8/1.6 47 3.5/1.5
3.6/1.5 48 3.8/1.6
3.5/1.5 48 3.6/1.5
SPECIFIC GRAVITY OF NATURAL GAS
0.62
Manifold Orifice Manifold
Pressure no. Pressure
3.3/1.4 42 3.4/1.4
3.7/1.6 43 3.8/1.6
3.4/1.5 43 3.6/1.5
3.7/1.6 44 3.8/1.6
3.4/1.5 44 3.6/1.5
3.2/1.4 44 3.3/1.4
3.7/1.5 45 3.8/1.6
3.4/1.5 45 3.6/1.5
3.2/1.4 45 3.4/1.4
3.6/1.5 45 3.2/1.3
56
0.64
Orifice Manifold Orifice
no. Pressure no.
42 3.3/1.4 42
43 3.8/1.6 42
43 3.5/1.5 43
44 3.8/1.6 43
44 3.6/1.5 44
44 3.4/1.4 44
44 3.2/1.3 44
45 3.6/1.5 45
45 3.4/1.5 45
45 3.3/1.4 45
0.64
Orifice Manifold Orifice
no. Pressure no.
42 3.3/1.4 42
43 3.7/1.6 43
43 3.5/1.5 43
44 3.7/1.6 43
44 3.5/1.5 44
44 3.3/1.4 44
45 3.8/1.6 44
45 3.6/1.5 45
45 3.4/1.4 45
45 3.2/1.3 45
47 3.6/1.5 47
47 3.4/1.4 47
48 3.7/1.6 48
0.64
Orifice Manifold Orifice
no. Pressure no.
42 3.5/1.5 42
42 3.2/1.4 42
43 3.7/1.6 43
43 3.4/1.4 43
44 3.7/1.6 44
44 3.4/1.5 44
44 3.2/1.4 44
45 3.7/1.6 45
45 3.5/1.5 45
45 3.3/1.4 45
0.66
Manifold
Pressure
3.4/1.4
3.2/1.4
3.7/1.5
3.4/1.4
3.7/1.6
3.5/1.5
3.3/1.4
3.8/1.6
3.6/1.5
3.4/1.4
0.66
Manifold
Pressure
3.4/1.4
3.8/1.6
3.6/1.5
3.4/1.4
3.6/1.5
3.4/1.4
3.2/1.4
3.7/1.5
3.5/1.5
3.3/1.4
3.7/1.6
3.5/1.5
3.8/1.6
0.66
Manifold
Pressure
3.6/1.6
3.3/1.4
3.8/1.6
3.5/1.5
3.8/1.6
3.5/1.5
3.3/1.4
3.8/1.6
3.6/1.5
3.4/1.4