Lennox LF24?200A User Manual

Page 14
TABLE 9
NATURAL GAS MANIFOLD PRESSURES − in. w.g. (kPa)
LF24
UNIT
ALTITUDE – FEET (METERS)
0−2000
(0−610)
2001− 2500
(610−762)
2501 −3500
(763−1067)
3501 − 4500
(1067−1372)
4501 − 5500
(1372−1676)
5501 − 6500
(1677−1981)
6501 − 7500
(1981−2286)
LF24−100**
LF24−115**
LF24−300
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
3.4
(0.84)
3.3
(0.82)**
3.2
(0.79)**
LF24−145** 3.5
(0.87)
3.4
(0.84)
3.3
(0.82)
3.2
(0.79)
3.1
(0.77)
3.0
(0.74)**
2.9
(0.72)**
LF24−175*
LF24−230
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)*
3.5
(0.87)*
3.5
(0.87)*
3.5
(0.87)*
3.5
(0.87)*
LF24−200
LF24−250
LF24−345
LF24−400
3.5
(0.87)
3.5
(0.87)
3.5
(0.87)
3.4
(0.84)
3.3
(0.82)
3.2
(0.79)
3.1
(0.77)
* The LF24−175 unit requires pressure switch change when installed at elevations above 2500 feet (762m). Order pressure switch 36W49. No
adjustment to switch is required.
* LF24 models −100, −115 and −145 require pressure switch change when installed at elevations above 5500 feet (1676m).
Order pressure switch
36W49. No adjustment to switch is required.
TABLE 10
LP/PROPANE GAS MANIFOLD PRESSURES − in. w.g. (kPa)
LF24
UNIT
ALTITUDE – FEET (METERS)
0−2000
(0−610)
2001− 2500
(610−762)
2501 −3500
(763−1067)
3501 − 4500
(1067−1372)
4501 − 5500
(1372−1676)
5501 − 6500
(1677−1981)
6501 − 7500
(1981−2286)
LF24−100**
LF24−115**
LF24−300
9.0
(2.24)
9.0
(2.24)
9.0
(2.24)
9.0
(2.24)
8.7
(2.16)
8.4
(2.09)**
8.1
(2.01)**
LF24−145**
9.0
(2.24)
8.7
(2.16)
8.4
(2.09)
8.1
(2.01
7.8
(1.94)
7.5
(1.86)**
7.2
(1.79)**
LF24−175*
LF24−230
9.0
(2.24)
9.0
(2.24)
9.0
(2.24)*
9.0
(2.24)*
9.0
(2.24)*
9.0
(2.24)*
9.0
(2.24)*
LF24−250 9.0
(2.24)
9.0
(2.24)
9.0
(2.24)
8.7
(2.16)
8.4
(2.08)
8.1
(2.01)
7.8
(1.94)
LF24−200
LF24−345
LF24−400
9.5
(2.37)
9.5
(2.37)
9.5
(2.37)
9.2
(2.28)
8.9
(2.21)
8.6
(2.13)
8.3
(2.06)
* The LF24−175 unit requires pressure switch change when installed at elevations above 2500 feet (762m). Order pressure switch 36W49. No
adjustment to switch is required.
* LF24 models −100, −115 and −145 require pressure switch change when installed at elevations above 5500 feet (1676m).
Order pressure switch
36W49. No adjustment to switch is required.

Lennox LF24?200A Specifications

General

Brand	Lennox
Model	LF24?200A
Category	Heater
Language	English