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Step 8: Drill wall hole for connective piping
1.
Determine the location of the wall hole
based on the location of the outdoor unit.
Using a 65-mm (2.5") core drill, drill a
2.
hole in the wall. Make sure that the hole
is drilled at a slight downward angle, so
that the outdoor end of the hole is
lower than the indoor end by about 1cm
(0.4"). This will ensure proper water
drainage. Place the protective wall cuff
in the hole. This protects the edges of
the hole and will help seal it when you
finish the installation process.
Wall
Outdoor
≈ 0.5~1c
/ 0.2~0.4 inch
3. Place the protective wall cuff in the hole.
This protects the edges of the hole
and will help seal it when you finish
the installation process.
CAUTION
When drilling the wall hole, make
sure to avoid wires, plumbing, and
other sensitive components.
Step 9: Connect drain hose
The drainpipe is used to drain water
away from the unit. Improper installation
may cause unit and property damage.
CAUTION
Insulate all piping to prevent conden-
•
sation, which could lead to water
damage.
If the drainpipe is bent or installed
•
incorrectly, water may leak and cause
a malfunction of the water- level
switch.
In HEAT mode, the outdoor unit will
•
discharge water. Ensure that the drain
hose is placed in an appropriate area
to avoid water damage and slippage
due to frozen drain water.
DO NOT pull the drainpipe forcefully
•
as this could cause it to disconnect.
Indoor
NOTE ON PURCHASING PIPES
This installation requires a polyethylene
tube (outside diameter = 3.7 - 3.9cm
(
), inside diameter = 3.2cm(
1.4"-1.5"
which can be obtained at your local
hardware store or from your dealer.
Indoor Drainpipe Installation
Drain pipe
1. Make sure the drain pipe is connected to
the outdoor side downward.
2. The hard polyvinyl chloride(PVC)plastic
pipe (external diameter 26 mm/1") sold in
the market is suitable for the attached
soft drain pipe.
3. Please connect the Soft Drain Pipe with
the Drain Pipe, then fix it with band; if
you have to connect the Drain Pipe
indoors, to avoid condensing caused by
air intake, you must cover the pipe with
heat-insulation material (polyethylene
with Specific Gravity of 0.03, at least 9
mm/0.35" in thickness), and use Glue
Band to fix it.
4. After the Drain Pipe has been
connected, please check if the water
drains out of the pipe efficiently and has
no leakage.
5. Refrigerant Pipe and Drain Pipe should
be heat-insulated to avoid condensing
and water-dropping later on.
6. Pass the drain hose through the wall
hole. Make sure the water drains to a
safe location where it will not cause
water damage or a slipping hazard.
NOTE: The drainpipe outlet should be at
least 5cm (1.9") above the ground. If it
touches the ground, the unit may
become blocked and malfunction. If
you discharge the water directly into a
sewer, make sure that the drain has a U
or S pipe to catch odors that might
otherwise come back into the house.
V.3
)),
1.2"
Glue
Drain pipe
Band for covering the pipe
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