Lennox KG Series Installation Instructions Manual page 2

Install Motorized Damper Assembly
LGH/LCH/KG/KC/KH Units
1- Disconnect all power to unit.
2- On LGH/LCH/KG/KC/KH units equipped with
factory-installed dampers, go to Outdoor Air Hood -
Motorized Damper section.
3- Remove and retain five screws securing end panel to
the unit. See figure 1. Remove and discard end panel.
4- Remove and retain two screws securing the hood top
to the damper assembly (provided in kit). Remove
hood top and retain. See figure 3.
5- Install damper assembly in unit; insert top of panel
first. Secure bottom of assembly with screws retained
from previous panel.
LGH/LCH/KG/KC/KH UNIT
UNIT END
PANEL
J3/P3 BEHIND
THIS PANEL
ACCESS PANEL
FIGURE 1
FIT TOP OF
PANEL UNDER
UNIT TOP FLANGE
DAMPER
ASSEMBLY
REMOVE AND RE­
TAIN TWO SCREWS
AND HOOD TOP
BLOWER
ACCESS PANEL
FILTER
MOTORIZED OUTDOOR AIR DAMPER - LGH/LCH/KG/KC/KH
Install Motorized Damper Assembly
1- Disconnect all power to unit.
2- Remove and discard unit back panel. Retain screws and
two door brackets which secure panel. See figure 2.
3- Remove filter access panel. Retain panel and
screws.
4- Install damper assembly (provided in kit) in unit. Hold
door brackets in place and secure damper assembly
and brackets to unit with retained screws.
5- Secure the bottom of the assembly with retained
screws.
FILTER ACCESS PANEL
UNIT BACK
PANEL
BRACKETS
UNIT
FILTER
ACCESS
PANEL
FIGURE 3
Page 2
ZG/ZC/ZH Units
ZG/ZC/ZH UNIT
DOOR
FIGURE 2
J3/P3 BEHIND
THIS PANEL