18
20356 Rev R
08-03
G136 SERIES INSTALLATION INSTRUCTIONS
9. Outside Air Kit Installation (strongly
recommended)
Many possible locations on either side of the appliance
are available for your outside air inlet. Figure 16
demonstrates two possible locations. The outside air
kit can terminate at any level with the exception that it
must terminate at least one foot below the vent
termination cap. See Figure 16. Be sure to check vent
height requirements for the appliance before attempting
any basement location. The outside air kit inlet thimble
should be positioned at least four feet above the ground
level in a manner that will not allow snow, leaves, etc.
to block the inlet. Ducting must be ordered separately.
The vent inlet must be connected to an air supply
outside of the building and must not exit higher than
the building soffit.
WARNING!
When locating the appliance in a space
projecting into a garage, the outside air
must not be taken from the garage space.
Exhaust products of gasoline engines are
hazardous. Do not install outside air ducts
such that the air may be drawn from attic
spaces, basements, or above the roofing
where other heating appliances or fans and
chimneys, exhaust or utilize air.
WARNING!
Significant cold air may infiltrate through
the duct or other parts of this system. To
guard against this, check for light leaks with
a flashlight and seal these with duct tape
and/or insulation.
Figure 16 - Outside Air Kit Installation
Figure 17 - Connecting the Control Arm
Figure 18 - Installing the Outside Air Kit
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a. Assembling the Control Arm of the Outside Air
Kit
Connect the control arm onto the damper
assembly. See Figure 17. Remove the access
panel on the side of the appliance in which you
intend to install the air kit.
b. Installing the Damper of the Outside Air Kit
Insert the control arm through the rectangular
opening in the side of the appliance. The notches
on the control arm should be placed downward.
The hinge on the damper should face toward
the front of the appliance.
If the hinge and the
control arm are not positioned in this manner,
the damper will not function correctly. Figure 18
demonstrates the correct order in which the air
kit assembly should take place.
Attach the damper assembly to the appliance
using the screws provided in the fastener
package.
Table 2 - Outside Air Kit Parts
