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SET UP & USE
Step 4: Prepare refrigerant piping
The refrigerant piping is inside an
insulating sleeve attached to the back of
the unit. You must prepare the piping
before passing it through the hole in the
wall.
1. Based on the position of the wall hole
relative to the mounting plate, choose
the side from which the piping will exit
the unit.
2. If the wall hole is behind the unit, keep
the knock-out panel in place. If the wall
hole is to the side of the indoor unit,
remove the plastic knock-out panel
from that side of the unit. This will
create a slot through which your piping
can exit the unit. Use needle nose
pliers if the plastic panel is too difficult
to remove by hand.
3. If existing connective piping is already
embedded in the wall, proceed directly
to the Connect Drain Hose step. If there
is no embedded piping, connect the
indoor unit's refrigerant piping to the
connective piping that will join the
indoor and outdoor units. Refer to the
Refrigerant Piping Connection section
of this manual for detailed instructions.
NOTE ON PIPING ANGLE
Refrigerant piping can exit the indoor unit
from four different angles: Left-hand side,
Right-hand side, Left rear, Right rear.
Knock-out Panel
CAUTION
Be extremely careful not to dent or damage
the piping while bending them away from the
unit. Any dents in the piping will affect the
unit's performance.
Step 5: Connect drain hose
To ensure proper drainage, attach a drain
hose on the same side that your refrigerant
piping exits the unit. Attach drain hose
extension (purchased separately) to the
end of drain hose.
• Wrap the connection point firmly with
Teflon tape to ensure a good seal and to
prevent leaks.
• For the portion of the drain hose that
will remain indoors, wrap it with foam
pipe insulation to prevent condensation.
• Remove the air filter and pour a small
amount of water into the drain pan to
make sure that water flows from the
unit smoothly.
NOTE ON DRAIN HOSE PLACEMENT
Make sure to arrange the drain hose
according to the following figures.
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