Installation Overview
RETURN AIR GRILLE INSTALLATION OPTIONS
arrangements will cause performance problems.
There are three indoor return air grille installation options. Choose the option that best suits your installation
NOTE: Use only one filter in the installation.
UTILITY CLOSET CONNECTION LOCATIONS
IMPORTANT:
drains and thermostat carefully to avoid interference. Hard-to-
reach locations will make installation and service difficult!
Large Chassis
hard conduit for
direct connection
B
E
C
all three sides
minimum for service
and installation
Plan and locate plenum, electrical connection,
bends and tees.
A
C
is required on all large chassis units.
chassis installation
Chassis is
shipped with
vibration isolators
installed.
Reference Dimensions
A
B
C Unit width and depth: 23-
D
E
F Condensate drains:
right side .
be used for
transitions
• On the bottom of the unit
only
condensate water drips from the
drain hole into the drain pan.
Wall Plenum
required for large chassis installs.
plenum prior to the unit being
installed.
• Secondary drain water flows into
plenum from the back of the unit.
Unit slides into wall plenum
8
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