Indoor Unit
Installation
Step 8: 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 condensation,
which could lead to water damage.
•
If the drainpipe is bent or installed
incorrectly, water may leak and cause a
water-level switch malfunction.
•
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.
•
DO NOT
pull the drainpipe forcefully. This
could disconnect it.
NOTE ON PURCHASING PIPES
Installation requires a polyethylene tube
(exterior diameter = 3.7-3.9cm, interior
diameter = 3.2cm), which can be obtained at
your localhardware store or dealer.
Indoor Drainpipe Installation
Install the drainpipe as illustrated in the following
Figure.
1.
2.
Drainpipe
connecting port
Drain hose
Pipe clasp
Insulation
Cover the drainpipe with heat insulation to
prevent condensation and leakage.
Attach the mouth of the drain hose to the
unit’s outlet pipe. Sheath the mouth of the
hose and clip it firmly with a pipe clasp.
(39-59”)
1-1.5m
1-1
Lean over 1/50
Ceiling
(39-59”)
(7.9”)
<20cm
(21.7”)
<
55cm
Lean over 1/50
1-1.5m
1-1
Drainpipe installation for units with a pump
Ceiling
NOTE ON DRAINPIPE INSTALLATION
•
When using an extended drainpipe,
tightenthe indoor connection with an
additionalprotection tube. This prevents
it from pulling loose.
•
The drainpipe should slope downward at a
gradient of at least 1/100 to prevent water
from flowing back into the air conditioner.
•
To prevent the pipe from sagging, space
hanging wires every 1-1.5m (39-59”).
•
If the outlet of the drainpipe is higher than
the body’s pump joint, use a lift pipe for
the indoor unit’s exhaust outlet. The lift
pipe must be installed no higher than
55cm (21.7”) from the ceiling board. The
distance between the unit and the lift pipe
must be less than 20cm (7.9”). Incorrect
installation could cause water to flow back
into the unit and flood.
NOTE:
When connecting multiple drainpipes,
install the pipes as illustrated.
•
To prevent air bubbles, keep the drain
hose level or slightly tiled up (<75mm / 3”).
≥10cm
(4”)
Units with a pump
Units without a pump
Page 24
0-55cm
(21.7”)
