Lennox EL296UHV - Front View

Page 29
TABLE 8
EXHAUST PIPE TERMINATION SIZE REDUCTION
EL296UHV
MODEL
Termination
Pipe Size
*045 and 070
1-1/2” (38MM)
*090 2” (51MM)
110 2” (51MM)
135 2” (51MM)
*EL296UHV-045, -070 and -090 units with the flush mount
termination must use the 1-1/2”accelerator supplied with
the kit.
8 - A multiple furnace installation may use a group of up to
four terminations assembled together horizontally, as
shown in figure 39.
FIGURE 36
2” EXTENSION FOR 2” PVC
PIPE1” EXTENSION FOR 3”
PVC PIPE
1-1/2” ACCELERATOR
(all -45, -070 and -090 units)
FURNACE
EXHAUST
PIPE
FURNACE
INTAKE
PIPE
4''
GLUE EXHAUST
END FLUSH INTO
TERMINATION
FLAT
SIDE
FLUSH-MOUNT SIDE WALL TERMINATION
51W11 (US) or 51W12 (Canada)
FIGURE 37
DIRECT VENT CONCENTRIC ROOFTOP TERMINATION
71M80, 69M29 or 60L46 (US)
44W92 or 44W93 (Canada)
Minimum
Above Average
Snow
Accumulation
SHEET METAL STRAP
(Clamp and sheet metal strap
must be field installed to support
the weight of the termination kit.)
FLASHING
(Not Furnished)
CLAMP
FIELD-PROVIDED
REDUCER MAY BE REQUIRED
TO ADAPT LARGER VENT
PIPE SIZE TO TERMINATION
1 1/2” (38mm) accelerator
provided on 71M80 & 44W92
kits for EL296UHV045P24B,
070P24B & 070P36B
12” (305mm)
INTAKE
AIR
EXHAUST
VENT
12” (305mm) Min.
above grade or
average snow
accumulation.
FIGURE 38
DIRECT VENT CONCENTRIC WALL TERMINATION
71M80, 69M29 or 60L46 (US)
44W92 or 44W93 (Canada)
INTAKE
AIR
INTAKE
AIR
INTAKE
AIR
OUTSIDE
WALL
GRADE
CLAMP
(Not Furnished)
FIELD-PROVIDED
REDUCER MAY BE REQUIRED
TO ADAPT LARGER VENT
PIPE SIZE TO TERMINATION
EXHAUST
VENT
1-1/2” (38mm) accelerator
provided on 71M80 & 44W92
kits for EL296UHV045P24B,
070P24B & 070P36B
EXHAUST
VENT
FIGURE 39
EXHAUST
VENT
INTAKE
AIR
5-1/2”
(140mm)
Front View
12”
(305MM)
5”
(127MM)
18” MAX.
(457MM)
EXHAUST VENT
INTAKE
AIR
OPTIONAL VENT TERMINATION FOR MULTIPLE UNIT
INSTALLATION OF DIRECT VENT WALL TERMINATION KIT
(30G28 or 81J20)
Inches (MM)
Side View
12” (305MM) Min.
above grade or
average snow
accumulation.
optional intake elbow
FIGURE 40
3” - 8”
(76MM-
203MM)
STRAIGHT-CUT OR
ANGLE-CUT IN DIRECTION
OF ROOF SLOPE *
SHOULDER OF FITTINGS
PROVIDE SUPPORT
OF PIPE ON TOP PLATE
ALTERNATE
INTAKE PIPE
INTAKE PIPE
INSULATION (optional)
EXTERIOR
PORTION OF
CHIMNEY
INSULATE
TO FORM
SEAL
SHEET
METAL TOP
PLATE
*SIZE TERMINATION
PIPE PER TABLE 8.
Minimum 12” (305MM)
above chimney top
plate or average snow
accumulation
8” - 12”
(203MM - 305MM)
3”-8”
(76MM-203MM)
EL296UHV DIRECT VENT APPLICATION
USING EXISTING CHIMNEY
NOTE - Do not discharge exhaust gases directly into any
chimney or vent stack. If vertical discharge through an
existing unused chimney or stack is required, insert pip
ing inside chimney until the pipe open end is above top
of chimney and terminate as illustrated. In any exterior
portion of chimney, the exhaust vent must be insulated.