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•
To prevent the pipe from sagging, space hanging wires every 39-59in (1-1.5m).
•
If the outlet of the drainpipe is higher than the body's pump joint, provide a lift pipe for the
exhaust outlet of the indoor unit. The lift pipe must be installed no higher than 20.8in (53cm)
from the drain port on the cassette and the distance between the unit and the lift pipe must
be less than 11.8in (30cm) . Incorrect installation could cause water to ow back into the unit
and ood.
•
To prevent air bubbles, keep the drain hose level or slightly tiled up (<3in/75mm).
20.8in
(0-530mm)
≥4in
(100mm)
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
1.9in (50mm) 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.
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39-59in
(1 - 1.5m)
≤11.8in
(30cm)
≤20.8in (53cm)
8.6in (22cm)
3in
(0 - 75mm )
Drill wall hole
1. Using a 2.5in (65mm) or 3.54in (90mm)
core drill, drill a 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 0.2-0.275in
(5mm-7mm). This will ensure proper water
drainage.
2.
protects the edges of the hole and will help
seal it when you nish the installation process.
CAUTION:
When drilling the wall hole, make sure to
avoid wires, plumbing, and other sensitive
components.
Indoor
NOTE: When the gas side connective pipe is
5/8in (16mm) or more, the wall hole should be
3.54in (90mm).
23
≤29.5in
(75cm)
Wall
Outdoor
Fig.3.2
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