Typical Air Intake Pipe Connections - Lennox G61MPV Service Manual

TYPICAL AIR INTAKE PIPE CONNECTIONS

UPFLOW OR DOWNFLOW DIRECT VENT APPLICATIONS
(Right−Hand Exit in Upflow Application Shown)
PLUG
(Must be
glued in
place)
TYPICAL AIR INTAKE PIPE CONNECTIONS
HORIZONTAL DIRECT VENT APPLICATIONS
(Horizontal Right−Hand Air Discharge Application Shown)
G61MPV−36B−045
G61MPV−36B−070
G61MPV−36B−071
G61MPV−36C−090
*Limit pipe
G61MPV−60C−090
G61MPV−60C−091
length to 2" in
G61MPV−60C−110*
G61MP−110,
G61MPV−60C−111*
−111 and −135
G61MPV−60D−135*
applications.
G61MPV−36B−045
G61MPV−36B−070
G61MPV−36B−071
G61MPV−36C−090
G61MPV−60C−090
G61MPV−60C−091
G61MPV−60C−110*
G61MPV−60C−111*
G61MPV−36B−045
G61MPV−36B−070
G61MPV−36B−071
G61MPV−36C−090
G61MPV−60C−090
G61MPV−60C−091
FIGURE 25
2
2
2
G61MPV−36B−045
G61MPV−36B−070
G61MPV−36B−071
G61MPV−36C−090
G61MPV−60C−090
G61MPV−60C−091
FIGURE 24
2−1/2",
3" OR 4"
TRANSITION
2"*
2−1/2",
3" OR 4"
2"*
2"
TRANSITION
2"*
2"
2"
2"
2−1/2",
3" OR
4
TRANSITION
2 *
TRANSITION
2 *
2
G61MPV−36B−045
G61MPV−36B−070
G61MPV−36B−071
G61MPV−36C−090
G61MPV−60C−090
G61MPV−60C−091
G61MPV−60C−110*
G61MPV−60C−111*
*Limit pipe length to 2"
in G61MPV−110, −111
and −135 applications.
Follow the next three steps when installing the unit in Non-
Direct Vent applications where combustion air is taken
from indoors and flue gases are discharged outdoors.
TYPICAL AIR INTAKE PIPE CONNECTIONS
UPFLOW OR HORIZONTAL NON−DIRECT
VENT APPLICATIONS
(Right−Hand Exit in Upflow Application Shown)
PLUG
(Must be
glued in
place)
NOTE − Debris screen and elbow may be rotated, so that
screen may be positioned to face forward, backward or
downward.
Page 52
2−1/2",
3" OR
4
2"*
G61MPV−36B−045
G61MPV−36B−070
G61MPV−36B−071
G61MPV−36C−090
G61MPV−60C−090
G61MPV−60C−091
G61MPV−60C−110*
G61MPV−60C−111*
G61MPV−60D−135*
6 in. Max.
INTAKE
DEBRIS
SCREEN
(Provided)
FIGURE 26