Page 6
NOTE – Seal around the exiting drain pipe, liquid and suc-
tion lines to prevent inltration of humid air.
9 - Flip access door and replace it on the unit.
10 - Set unit so that it is sloped 1/4ʺ toward the drain
pan end of the unit. Connect return and supply air
plenums as required using sheet metal screws.
11 - If suspending the unit, it must be supported along the
entire length of the cabinet. If using chain or strap,
use a piece of angle iron or sheet metal attached
to the unit (either above or below) so that the full
length of the cabinet is supported. Use securing
screws no longer than 1/2ʺ to avoid damage to coil
or lter, as illustrated in gure 3. Connect return and
supply air plenums as required using sheet metal
screws.
DOWNFLOW APPLICATION
NOTE – If downow application is required, separately or-
der kit number Y9658 (-018 through -030) or Y9659 (-036
through -060) and install per kit’s instructions. Also use
metal or class I supply and return air plenums.
Use the installation instruction provided with the downow
kit.
IMPORTANT
If electric heat section with circuit breakers (ECBA25) is
installed in a CBA25UHV unit in a downow application,
the circuit breakers must be rotated 180° to the UP
position. See ECBA25 installation instructions for more
details.