Lennox G61MPVT-36B-070 - Page 15

Page 15
TYPICAL AIR INTAKE PIPE CONNECTIONS
UPFLOW OR DOWNFLOW DIRECT VENT APPLICATIONS
(Right−Hand Exit in Upflow Application Shown)
FIGURE 17
PLUG
(Must be
glued in
place)
*Limit pipe length to
50mm in G61MPVT−110
and −135 applications.
G61MPVT−36B−070
G61MPVT−60C−090
G61MPVT−36B−070
G61MPVT−60C−090
G61MPVT−60C−110*
G61MPVT−36B−070
G61MPVT−60C−090
G61MPVT−60C−110*
G61MPVT−60D−135*
50mm
50mm
50mm*
50mm
80mm
TRANSITION
50mm*
TRANSITION
80mm
50mm*
50mm
FIGURE 18
TYPICAL AIR INTAKE PIPE CONNECTIONS
HORIZONTAL DIRECT VENT APPLICATIONS
(Horizontal Right−Hand Air Discharge Application Shown)
50mm*
50mm*
50mm
TRANSITION
TRANSITION
50mm*
80mm
*Limit pipe
length to 50mm in
G61MPVT−110
and −135
applications.
G61MPVT−36B−070
G61MPVT−60C−090
G61MPVT−60C−110*
G61MPVT−60D−135*
G61MPVT−36B−070
G61MPVT−60C−090
G61MPVT−60C−110*
G61MPVT−36B−070
G61MPVT−60C−090
50mm
50mm
50mm
80mm
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 19
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)
156mm 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.