Page 3 of 18507388-01 Issue 1504
The sleeve is not intended as the sole support for the unit.
An addional support must be provided near the return
opening on the unit for adequate support. The use of
vibraon isolaon material between the unit and the support
is recommended.
CAUTION
• The return air duct must be provided and sealed to the
furnace.
• Return air temperature range between 60°F (16°C) and
80°F (27°C) must be maintained.
• Air lters must be installed in the system and must be
maintained during construction.
• Air filters must be replaced upon construction
completion.
• The input rate and temperature rise must be set per the
furnace rating plate.
• One hundred percent (100%) outdoor air must be
provided for combustion air requirements during
construction.
• The furnace heat exchanger, components, duct system,
air lters and evaporator coils must be thoroughly
cleaned following nal construction clean-up.
• All furnace operating conditions (including ignition, input
rate, temperature rise and venting) must be veried
according to these installation instructions.
Installing With a Wall Sleeve
Refer to the installaon instrucons packed with the wall sleeve
and Figure 1 for guidance in assembly and mounng using a
wall sleeve.
Make sure the gaskets aached to the sleeve are not damaged.
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