48 SEPTEMBER 2019 FAMILYHANDYMAN.COM
1
INSTALL THE
MOUNTING
BRACKET
Mount the evaporator inside the
room on an exterior wall away
from direct sunlight, doorways
and sources of dust. Make sure
this area of the wall is free of
wires, pipes and ducts that
would interfere with making a
hole for the line set. Mark the
stud locations and fasten the
bracket to them with screws.
2
DRILL A
PILOT HOLE
The line set hole must slope
slightly downward to the outside
so condensate from the evapora-
tor can drain outside. Begin by
drilling a pilot hole from inside
to outside. Then go outside
and make sure no trim or other
obstructions will complicate
drilling the full-size hole.
3
BORE THE
FULL-SIZE HOLE
Cut with a hole saw from inside,
move aside any insulation and
inspect the wall cavity for
obstructions. Finish the hole by
drilling from the outside.
b
RUN THE
LINE SET
Carefully uncoil the line set
from the back of the evaporator.
With an assistant outside, feed
the line set through the hole. As
it emerges, the assistant should
gently bend the line set down-
ward and to the side as needed
to reach the condenser. Keep the
rigid plastic collar surrounding
the line set at the end that con-
nects to the condenser. The drain
line is shorter and goes through
last, below the other lines. Add
the drain extension and wrap the
joint with electrical tape to keep
it secure.
5
INSTALL THE
EVAPORATOR
Wrap the foam sleeve around
the section of line set within the
hole and replace any insulation
1
2
3
4
5
Line set