Lennox EL296UHVX Series Unit Information page 76

EL296
0-4500 ft.
Gas
Unit
Low
Fire
045-6*
Natural
1.7
070-6*
090-5*
LP/
110-5*
4.5
propane
135-5*
* And later dash number units.
NOTE - A natural to L.P. propane gas changeover kit is necessary to convert this unit. Refer to the changeover kit installation instruction for the conversion
procedure.
LP/Propane Conversion Kit and Pressure Switch Requirements at Varying Altitudes
Natural to
LP/Propane
EL296
Unit
0 - 7500 ft
(0 - 2286m)
-045
*11K51
-070-1
through -6
-070-7 & later *11K51
-090
-110
*11K51
-135
* Conversion requires installation of a gas valve manifold spring which is provided with the gas conversion kit.
Pressure switch is factory set. No adjustment necessary. All models use the factory-installed pressure switch from 0-4500 feet (0-1370 m).
Manifold and Supply Line Pressure 0-10,000ft.
Manifold Pressure in. wg.
4501-5500 ft. 5501-6500 ft.
High Low High Low
Fire Fire Fire Fire
3.5 1.6 3.3 1.5
10.0 4.2 9.4 4.0
High Altitude
Natural Burner
Orifice Kit
7501 - 10,000 ft
(2286 - 3038m)
73W37
73W37
73W37
TABLE 31
6501 - 7500ft.
High Low High
Fire Fire Fire
3.2 1.5 3.1
9.1 3.9 8.9
TABLE 32
High Altitude
LP/Propane Burner
Orifice Kit
7501 - 10,000 ft
(2286 - 3038m)
*11K46
*11K46
*11K46
Page 76
Supply Line
Pressure
in. w.g.
7501 - 10000ft.
0 - 10000 ft.
Low High
Min
Fire Fire
1.7 3.5 4.5
4.5 10.0 11.0
High Altitude Pressure Switch
4501 - 7500 ft 7501 -10,000 ft
(1373 - 2286m) (2286 - 3048m)
14A47 14A50
93W80 93W85
14A54 14A53
14A57 14A54
14A46 14A51
14A49 14A51
Max
13.0
13.0