Lennox G61MP Series Unit Information

Page 21
TYPICAL AIR INTAKE PIPE CONNECTIONS
UPFLOW OR DOWNFLOW DIRECT VENT APPLICATIONS
(Right-Hand Exit in Upflow Application Shown)
FIGURE 15
PLUG
(Must be
glued in
place)
G61MP−36B−045
G61MP−36B−070
G61MP−48C−090
G61MP−60C−090
G61MP−48C−110*
G61MP−60C−110*
G61MP−60C−135*
G61MP−36B−045
G61MP−36B−070
G61MP−48C−090
G61MP−60C−090
G61MP−48C−110*
G61MP−60C−110*
G61MP−36B−045
G61MP−36B−070
G61MP−48C−090
G61MP−60C−090
2
2
2
2*
2
2*
2−1/2",
3" OR
4
REDUCER
2"*
REDUCER
2−1/2",
3" OR
4
*Limit pipe length to 2"
in G61MP−110 and
−135 applications.
FIGURE 16
TYPICAL AIR INTAKE PIPE CONNECTIONS
HORIZONTAL DIRECT VENT APPLICATIONS
(Horizontal Right-Hand Air Discharge Application Shown)
G61MP−36B−045
G61MP−36B−070
G61MP−48C−090
G61MP−60C−090
G61MP−48C−110*
G61MP−60C−110*
G61MP−60C−135*
G61MP−36B−045
G61MP−36B−070
G61MP−48C−090
G61MP−60C−090
G61MP−48C−110*
G61MP−60C−110*
2”*
2”
2”*
2”
2”
REDUCER
REDUCER
2”*
2-1/2”,
3” OR 4”
2-1/2”,
3” OR 4”
*Limit pipe
length to 2" in
G51MP−110
and −135
applications.
2”
G61MP−36B−045
G61MP−36B−070
G61MP−48C−090
G61MP−60C−090
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.
FIGURE 17
PLUG
(Must be
glued in
place)
TYPICAL AIR INTAKE PIPE CONNECTIONS
UPFLOW OR HORIZONTAL NON-DIRECT
VENT APPLICATIONS
(Right-Hand Exit in Upflow Application Shown)
6 in. Max.
INTAKE
DEBRIS
SCREEN
(Provided)
NOTE − Debris screen and elbow may be rotated, so that
screen may be positioned to face forward, backward or
downward.

Lennox G61MP Series Specifications

General

Brand	Lennox
Model	G61MP Series
Category	Furnace
Language	English