Bryant 4-WAY MULTIPOISE TWO-STAGE CONDENSING GAS FURNACE 352AAV Instrucciones de operaciones Pagina 57

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Table 15 -- Model 352AAV Orifice Size and High/Low-Heat Manifold Pressures for Correct Inputs (Continued)
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)*
ALTITUDE
RANGE
FT (M)
AVG GAS
HEA T
VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NA TURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
U.S.A. Only
7001
to
8000
(2134 to
2438)
15%
derate
625 43 3.8/1.6 42 3.3/1.4 42 3.4/1.4 42 3.5/1.5 42 3.6/1.5
650 43 3.5/1.5 43 3.7/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
675 44 3.8/1.6 43 3.4/1.4 43 3.5/1.5 43 3.6/1.5 43 3.7/1.6
700 44 3.5/1.5 44 3.6/1.5 44 3.8/1.6 43 3.4/1.4 43 3.5/1.5
725 44 3.3/1.4 44 3.4/1.4 44 3.5/1.5 44 3.6/1.5 44 3.7/1.6
750 45 3.7/1.6 45 3.8/1.6 44 3.3/1.4 44 3.4/1.4 44 3.5/1.5
775 45 3.5/1.5 45 3.6/1.5 45 3.7/1.6 45 3.8/1.6 44 3.3/1.4
800 45 3.3/1.4 45 3.4/1.4 45 3.5/1.5 45 3.6/1.5 45 3.7/1.6
825 47 3.6/1.5 45 3.2/1.3 45 3.3/1.4 45 3.4/1.4 45 3.5/1.5
850 47 3.4/1.4 47 3.5/1.5 47 3.7/1.5 45 3.2/1.3 45 3.3/1.4
ALTITUDE
RANGE
FT (M)
AVG GAS
HEA T
VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NA TURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
U.S.A. Only
Altitudes
8001
to 9000
(2438 to
2743)
17%
derate
600 43 3.8/1.6 42 3.3/1.4 42 3.4/1.4 42 3.5/1.5 42 3.6/1.5
625 43 3.5/1.5 43 3.6/1.5 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
650 44 3.7/1.6 43 3.4/1.4 43 3.5/1.5 43 3.6/1.5 43 3.7/1.6
675 44 3.5/1.5 44 3.6/1.5 44 3.7/1.6 44 3.8/1.6 43 3.4/1.5
700 44 3.2/1.4 44 3.3/1.4 44 3.4/1.5 44 3.6/1.5 44 3.7/1.6
725 45 3.6/1.5 45 3.8/1.6 44 3.2/1.4 44 3.3/1.4 44 3.4/1.4
750 45 3.4/1.4 45 3.5/1.5 45 3.6/1.5 45 3.8/1.6 44 3.2/1.4
775 45 3.2/1.3 45 3.3/1.4 45 3.4/1.4 45 3.5/1.5 45 3.6/1.5
800 47 3.6/1.5 47 3.7/1.6 45 3.2/1.3 45 3.3/1.4 45 3.4/1.4
ALTITUDE
RANGE
FT (M)
AVG GAS
HEA T
VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NA TURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
Orifice
no.
Manifold
Pressure
U.S.A. Only
9001
to
10000
(2743
to
3048)
19%
derate
575 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4 42 3.3/1.5 42 3.6/1.5
600 43 3.5/1.5 43 3.6/1.5 43 3.7/1.6 42 3.2/1.3 42 3.3/1.4
625 44 3.7/1.6 44 3.8/1.6 43 3.5/1.5 43 3.6/1.5 43 3.7/1.6
650 44 3.4/1.4 44 3.5/1.5 44 3.7/1.5 44 3.8/1.6 43 3.4/1.4
675 44 3.8/1.6 44 3.3/1.4 44 3.4/1.4 44 3.5/1.5 44 3.6/1.5
700 45 3.6/1.5 45 3.7/1.6 45 3.8/1.6 44 3.3/1.4 44 3.4/1.4
725 45 3.3/1.4 45 3.4/1.5 45 3.6/1.5 45 3.7/1.6 45 3.8/1.6
750 47 3.7/1.6 45 3.2/1.4 45 3.3/1.4 45 3.4/1.5 45 3.5/1.5
775 47 3.5/1.5 47 3.6/1.5 47 3.7/1.6 45 3.2/1.4 45 3.3/1.4
*Orifice numbers shown in shading are factory installed.
NOTE: Percents of derate are based on midpoints of U.S. altitude ranges.
352AAV
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