Bryant SERIES A 355CAV - Manual (Page 56)

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Table 10 – Orifice Size* and Manifold Pressures for Gas Input Rate
(Tabulated Data Based on 20,000 BTUH High Heat / 13,000 Btuh Med--Heat / 8,000 Btuh Low--Heat per Burner,
Derated 2% / 1000 Ft. (304.8M) Above Sea Level)
AVG. GAS SPECIFIC GRAVITY OF NATURAL GAS
HEAT VALUE 0.58 0.60 0.62 0.64
AT ALTITUDE Orifice Mnfld Press Orifice Mnfld Press Orifice Mnfld Press Orifice Mnfld Press
(Btu/cu ft) No. High/Med/Low No. High/Med/Low No. High/Med/Low No. High/Med/Low
900 43 3.5 / 1.5 /0.55 43 3.6 / 1.5 /0.60 43 3.8 / 1.6 /0.60 42 3.2 / 1.3 /0.50
0 925 44 3.8 / 1.6 /0.60 43 3.5 / 1.5 /0.55 43 3.6 / 1.5 /0.55 43 3.7 / 1.6 /0.60
(0) 950 44 3.6 / 1.5 /0.60 44 3.8 / 1.6 /0.60 43 3.4 / 1.4 /0.55 43 3.5 / 1.5 /0.55
975 44 3.4 / 1.5 /0.55 44 3.6 / 1.5 /0.55 44 3.7 / 1.6 /0.60 44 3.8 / 1.6 /0.60
to 1000 44 3.3 / 1.4 /0.50 44 3.4 / 1.4 /0.55 44 3.5 / 1.5 /0.55 44 3.6 / 1.5 /0.60
1025 45 3.8 / 1.6 /0.60 44 3.2 / 1.4 /0.50 44 3.3 / 1.4 /0.55 44 3.4 / 1.5 /0.55
2000 1050 45 3.6 / 1.5 /0.60 45 3.7 / 1.6 /0.60 45 3.8 / 1.6 /0.60 44 3.3 / 1.4 /0.50
(610) 1075 45 3.4 / 1.4 /0.55 45 3.5 / 1.5 /0.55 45 3.7 / 1.5 /0.60 45 3.8 / 1.6 /0.60
1100 45 3.3 / 1.4 /0.50 45 3.4 / 1.4 /0.55 45 3.5 / 1.5 /0.55 45 3.6 / 1.5 /0.60
U.S.A. 800 43 3.8 / 1.6 /0.60 42 3.2 / 1.4 /0.50 42 3.3 / 1.4 /0.55 42 3.5 / 1.5 /0.55
2001 (611) 825 43 3.6 / 1.5 /0.55 43 3.7 / 1.6 /0.60 43 3.8 / 1.6 /0.60 42 3.2 / 1.4 /0.50
to 850 43 3.4 / 1.4 /0.55 43 3.5 / 1.5 /0.55 43 3.6 / 1.5 /0.60 43 3.7 / 1.6 /0.60
3000 (914) 875 44 3.7 / 1.5 /0.60 44 3.8 / 1.6 /0.60 43 3.4 / 1.4 /0.55 43 3.5 / 1.5 /0.55
900 44 3.5 / 1.5 /0.55 44 3.6 / 1.5 /0.55 44 3.7 / 1.6 /0.60 44 3.8 / 1.6 /0.60
Canada 925 44 3.3 / 1.4 /0.50 44 3.4 / 1.4 /0.55 44 3.5 / 1.5 /0.55 44 3.6 / 1.5 /0.60
2001 (611) 950 45 3.7 / 1.6 /0.60 44 3.2 / 1.4 /0.50 44 3.3 / 1.4 /0.55 44 3.4 / 1.4 /0.55
to 975 45 3.6 / 1.5 /0.55 45 3.7 / 1.6 /0.60 45 3.8 / 1.6 /0.60 44 3.2 / 1.4 /0.50
4500 (1372) 1000 45 3.4 / 1.4 /0.55 45 3.5 / 1.5 /0.55 45 3.6 / 1.5 /0.60 45 3.7 / 1.6 /0.60
775 43 3.7 / 1.6 /0.60 42 3.2 / 1.3 /0.50 42 3.3 / 1.4 /0.55 42 3.4 / 1.4 /0.55
3001 800 43 3.5 / 1.5 /0.55 43 3.6 / 1.5 /0.60 43 3.8 / 1.6 /0.60 42 3.2 / 1.3 /0.50
(915) 825 44 3.8 / 1.6 /0.60 43 3.4 / 1.4 /0.55 43 3.5 / 1.5 /0.55 43 3.7 / 1.5 /0.60
850 44 3.6 / 1.5 /0.55 44 3.7 / 1.6 /0.60 44 3.8 / 1.6 /0.60 43 3.4 / 1.5 /0.55
875 44 3.4 / 1.4 /0.55 44 3.5 / 1.5 /0.55 44 3.6 / 1.5 /0.60 44 3.7 / 1.6 /0.60
4000 900 44 3.2 / 1.3 /0.50 44 3.3 / 1.4 /0.55 44 3.4 / 1.4 /0.55 44 3.5 / 1.5 /0.55
(1219) 925 45 3.7 / 1.5 /0.60 45 3.8 / 1.6 /0.60 44 3.2 / 1.4 /0.50 44 3.3 / 1.4 /0.55
950 45 3.5 / 1.5 /0.55 45 3.6 / 1.5 /0.55 45 3.7 / 1.6 /0.60 45 3.8 / 1.6 /0.60
750 43 3.7 / 1.6 /0.60 43 3.8 / 1.6 /0.60 42 3.2 / 1.4 /0.50 42 3.3 / 1.4 /0.55
4001 775 43 3.5 / 1.5 /0.55 43 3.6 / 1.5 /0.55 43 3.7 / 1.6 /0.60 43 3.8 / 1.6 /0.60
(1220) 800 44 3.7 / 1.6 /0.60 43 3.4 / 1.4 /0.55 43 3.5 / 1.5 /0.55 43 3.6 / 1.5 /0.55
825 44 3.5 / 1.5 /0.55 44 3.6 / 1.5 /0.60 44 3.7 / 1.6 /0.60 43 3.4 / 1.4 /0.55
850 44 3.3 / 1.4 /0.55 44 3.4 / 1.4 /0.55 44 3.5 / 1.5 /0.55 44 3.6 / 1.5 /0.60
5000 875 45 3.8 / 1.6 /0.60 44 3.2 / 1.4 /0.50 44 3.3 / 1.4 /0.55 44 3.4 / 1.5 /0.55
(1524) 900 45 3.6 / 1.5 /0.55 45 3.7 / 1.6 /0.60 45 3.8 / 1.6 /0.60 44 3.2 / 1.4 /0.50
925 45 3.4 / 1.4 /0.55 45 3.5 / 1.5 /0.55 45 3.6 / 1.5 /0.60 45 3.7 / 1.6 /0.60
725 43 3.6 / 1.5 /0.60 43 3.8 / 1.6 /0.60 42 3.2 / 1.4 /0.50 42 3.3 / 1.4 /0.55
5001 750 43 3.4 / 1.4 /0.55 43 3.5 / 1.5 /0.55 43 3.6 / 1.5 /0.60 43 3.8 / 1.6 /0.60
(1525) 775 44 3.7 / 1.5 /0.60 44 3.8 / 1.6 /0.60 43 3.4 / 1.4 /0.55 43 3.5 / 1.5 /0.55
800 44 3.4 / 1.5 /0.55 44 3.6 / 1.5 /0.55 44 3.7 / 1.6 /0.60 44 3.8 / 1.6 /0.60
825 44 3.2 / 1.4 /0.50 44 3.3 / 1.4 /0.55 44 3.4 / 1.5 /0.55 44 3.6 / 1.5 /0.55
6000 850 45 3.7 / 1.6 /0.60 45 3.8 / 1.6 /0.60 44 3.2 / 1.4 /0.50 44 3.4 / 1.4 /0.55
(1829) 875 45 3.5 / 1.5 /0.55 45 3.6 / 1.5 /0.55 45 3.7 / 1.6 /0.60 45 3.8 / 1.6 /0.60
900 45 3.3 / 1.4 /0.50 45 3.4 / 1.4 /0.55 45 3.5 / 1.5 /0.55 45 3.6 / 1.5 /0.60
675 42 3.2 / 1.3 /0.50 42 3.3 / 1.4 /0.55 42 3.4 / 1.4 /0.55 42 3.5 / 1.5 /0.55
6001 700 43 3.6 / 1.5 /0.55 43 3.7 / 1.6 /0.60 43 3.8 / 1.6 /0.60 42 3.3 / 1.4 /0.50
(1830) 725 44 3.8 / 1.6 /0.60 43 3.5 / 1.5 /0.55 43 3.6 / 1.5 /0.55 43 3.7 / 1.6 /0.60
750 44 3.6 / 1.5 /0.55 44 3.7 / 1.6 /0.60 44 3.8 / 1.6 /0.60 43 3.5 / 1.5 /0.55
775 44 3.4 / 1.4 /0.55 44 3.5 / 1.5 /0.55 44 3.6 / 1.5 /0.55 44 3.7 / 1.6 /0.60
7000 800 45 3.8 / 1.6 /0.60 44 3.3 / 1.4 /0.50 44 3.4 / 1.4 /0.55 44 3.5 / 1.5 /0.55
(2133) 825 45 3.6 / 1.5 /0.55 45 3.7 / 1.6 /0.60 45 3.8 / 1.6 /0.60 44 3.3 / 1.4 /0.50
850 45 3.4 / 1.4 /0.55 45 3.5 / 1.5 /0.55 45 3.6 / 1.5 /0.60 45 3.7 / 1.6 /0.60
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* Orifice numbers shown in BOLD are factory-installed.
A08202
355C
A
V