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Without the drain pump
1. Install horizontal drainpipe with a slope of 1/100 or
more and fix it by hanger space of 1.0~1.5m.
1. Install U-trap at the end of the drainpipe to prevent a
nasty smell to reach the indoor unit.
2. Do not install the drainpipe to upward position. It may
cause water flow back to the unit.
Flexible hose
Ceiling
With the drain pump
1. The drain pipe should be installed within 300mm to
550mm from the flexible hose and then lift down 20mm
or more.
2. Install horizontal drainpipe with a slope of 1/100 or
more and fix it by hanger space of 1.0~1.5m.
3. Install the air vent in the horizontal drainpipe to prevent
water flow back to the indoor unit.
NOTE
• You may not need to install it if there were proper
slope in the horizontal drainpipe.
4. The flexible hose should not be installed upward
position, it may cause water flow back to the indoor unit.
200mm
Air vent
or more
300mm or less
20mm
or more
Within
300~550mm
Flexible hose
Ceiling
1~1.5m
Hanger
Horizontal drainpipe
more than 1/100 slope
1~1.5m
Hanger
Horizontal drainpipe
more than 1/100 slope
Step 11 Performing the drainage test
Prepare a little water about 2 liter.
1. Pour water into the base pan in the indoor unit as shown
in figure.
2. Confirm that the water flows out through the drain hose.
Step 12 Connecting the power and
communication cables
CAUTION
• Always remember to connect the refrigerant pipes
before performing the electric connections. When
disconnecting the system, always disconnect the electric
cables before disconnecting the refrigerant pipes.
• Always remember to connect the air conditioner to the
grounding system before performing the electric connections.
Use a crimp ring terminal at the end of each wire.
The indoor unit is powered through the outdoor unit by
means of a H07 RN-F connection cable (or a more power
model), with insulation in synthetic rubber and a jacket
in polychloroprene (neoprene), in accordance with the
requirements specified in the standard EN 60335-2-40.
1. Remove the screw on the electrical component box and
remove the cover plate.
2. Route the connection cord through the side of the indoor
unit and connect the cable to the terminals refer to the
figure below.
3. Route the other end of the cable to the outdoor unit
through the ceiling & the hole on the wall.
4. Reassemble the electrical component box cover, carefully
tightening the screw.
33
English
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