Installation Overview
RETURN AIR GRILLE INSTALLATION OPTIONS
arrangements will cause performance problems.
There are four 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!
Small Chassis
Use rigid duct for
hard conduit for
direct connection
6-
3
/
8
3
/
8
Plan and locate plenum, electrical connection,
for transitions only
Outside wall
B
A
C
C
Reference Dimensions
A
B
C Unit width and depth: 23-
D
/
5
8
E
locations (select one location and plug
the other two):
• Secondary drain water flows into
plenum from the back of the unit.
Primary Drains
• A drain connection is located on the back of the unit
• A drain connection is located on the right and left
the unit.
8
/
3
49-7769