Lennox LF24-100 User Manual

Page 8
FIGURE 3
HORIZONTAL VENTING
COMBUSTION AIR INDUCER
CAN BE ROTATED ON UNITS
LF24−100, −115 and −145 ONLY.
NOTE − FOR LF24−175, −200,
−230, −250 −250, −300, −345 and
400. DO NOT ROTATE THE
COMBUSTION AIR INDUCER;
USE 90
° ELBOW.
COMBUSTION
AIR INDUCER
12 INCHES
MIN.
(30.5 CM)
VENT
TERMINATION
TEE OR 90
°
ELBOW
12" (30.5CM)
MINIMUM ABOVE
HIGHEST
SNOWFALL
DRAIN LOOP WITH
WATER TRAP TO
CONDENSATE TRAP
(Provided by installer)
GROUND LEVEL
UPWARD SLOPE
NOTE − Minimum horizontal length
equals 5 feet (1.53 m). This does not
include termination tee. Refer to
table 6 for maximum length and
number of elbows.
CATEGORY III
ADAPTER
(Make airtight using
high−temperature
sealant provided in kit)
LISTED WALL
THIMBLE
THROUGH
COMBUSTIBLE
WALL
Venting may be single−wall (26
GSG) galvanized or equivalent
stainless steel vent pipe sealed
per these instructions, OR listed
special vent for Category III
appliances.
SLOPE = 1/4 IN. PER FOOT
RUN MAXIMUM.
FIGURE 4
CONDENSATE DRAIN THROUGH TEE PIPE AND DRAIN LOOP
TEE PIPE
SECTION
DOWNWARD SLOPE ON HORIZONTAL VENT
12 INCHES
(30.5 cm)
MINIMUM
VENT TERMINATION
TEE OR 90° ELBOW
NOTE − Minimum horizontal
length equals 5 feet (1.53 m).
This does not include termination
tee. Refer to table 6 for maximum
length and number of elbows.
Venting may be single−wall (26
GSG) galvanized or equivalent
stainless steel vent pipe sealed
per these instructions, OR listed
special vent for Category III
appliances.
SLOPE = 1/4 IN. PER FOOT
RUN MAXIMUM.
DRAIN LOOP WITH
WATER TRAP TO
CONDENSATE TRAP
(Provided by installer)

Lennox LF24-100 Specifications

General

Brand	Lennox
Model	LF24-100
Category	Heater
Language	English