Carrier 160 Series - Page 42

58CV
Table 14 - Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate
(Tabulated Data Based on 22,000 Btuh High-Heat/14,500 Btuh for Low-Heat per Burner, Derated 4 Percent for Each 1000 Ft.
(305 M) Above Sea Level)
SPECIFIC GRAVITY OF NATURAL GAS
AVG. GAS 0.58 0.60 0.62 0.64
AT HEAT VALUE Orifice Manifold Orifice Manifold Orifice Manifold Orifice Manifold
(BTUH/CU FT.) No Pressure No Pressure No Pressure No Pressure
‘ High/Low ‘ High/Low ‘ High/Low ‘ High/Low
900 42 3.5/1.5 42 3.6/1.6 42 3.7/1.6 44 3.5/1.5
925 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5 42 3.7/1.6
950 43 3.8/1.7 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5
Oto 975 43 3.6/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
USA 2000 1000 43 3.5/1.5 43 3.6/1.6 43 3.7/1.6 43 3.8/1.7
(0 to 610) 1025 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6
1050 44 3.6/1.6 43 3.2/1.4 43 3.4/1.5 43 3.5/1.5
1075 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4 43 3.3/1.4
1100 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64
AVG. GAS -
ALTITUDE RANGE : : Manifold :
FT. (M) HEAT VALUE Orifice Manifold Orifice Manifold Orifice Pressure Orifice Manifold
(BTUH/CU FT.) No Pressure No Pressure No High/L. No Pressure
High/Low High/Low ighyLow High/Low
800 42 3.4/1.5 42 3.5/1.5 42 3.6/1.6 42 3.7/1.6
825 42 3.2/1.4 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5
850 43 3.7/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
2001 to 875 43 3.5/1.5 43 3.6/1.6 43 3.7/1.6 43 3.8/1.7
USA 3000 (610 900 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6
to 914) 925 44 3.5/1.5 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5
950 44 3.4/1.5 44 3.5/1.5 44 3.6/1.6 43 3.2/1.4
975 44 3.2/1.4 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5
1000 45 3.7/1.6 45 3.8/1.7 44 3.2/1.4 44 3.4/1.5
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64
AVG. GAS -
ALTITUDE RANGE : : Manifold :
FT. (M) HEAT VALUE Orifice Manifold Orifice Manifold Orifice Pressure Orifice Manifold
(BTUH/CU FT.) No Pressure No Pressure No High/L. No Pressure
High/Low High/Low ighyLow High/Low
775 42 3.2/1.4 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5
800 43 3.6/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
3001 to 825 43 3.4/1.5 43 3.5/1.5 43 3.7/1.6 43 3.8/1.6
USA 4000 850 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5 43 3.6/1.5
(914 to 875 44 3.5/1.5 44 3.6/1.6 43 3.3/1.4 43 3.4/1.5
1219) 900 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4
925 45 3.8/1.6 44 3.2/1.4 44 3.3/1.5 44 3.4/1.5
950 46 3.8/1.6 45 3.7/1.6 45 3.8/1.7 44 3.3/1.4
SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE RANGE ove oe oe oe
AVG. GAS : : Manifold :
FT. (M) HEAT VALUE | Orifice | Manifold | oyificg | Manifold | oritice | Pressure | Orifice | Manifold
(BTUH/CU FT) No Pressure No Pressure No High/Low No Pressure
‘ ‘ High/Low ‘ High/Low ‘ g ‘ High/Low
750 43 3.6/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
775 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6 43 3.8/1.6
4001 to 800 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5
USA 5000 825 44 3.4/1.5 44 3.6/1.5 43 3.2/1.4 43 3.3/1.4
(1219 to 850 44 3.2/1.4 44 3.4/1.5 44 3.5/1.5 44 3.6/1.6
1524) 875 45 3.7/1.6 45 3.8/1.7 44 3.3/1.4 44 3.4/1.5
900 46 3.7/1.6 46 3.8/1.7 45 3.7/1.6 44 3.2/1.4
925 46 3.5/1.5 46 3.6/1.6 46 3.7/1.6 46 3.8/1.7
* Orifice numbers 43 are actory installed