Lennox LI012CO-230P432 Service Manual page 46

Service Manual
7. Connect Wire of Indoor Unit
(1) Open the panel, remove the screw on the wiring cover and
then take down the cover.(As show in Fig.11)
Panel
(2) Fix the wire crossing board on connection wire sleeve at
the bottom case; let the connection wire sleeve go through the
wire crossing hole at the back of indoor unit, and then pull it out
from the front.(As show in Fig.12)
connection wire sleeve
(3) Remove the wire clip; connect the power connection wire
to the wiring terminal; tighten the screw and then fix the power
connection wire with wire clip.(As show in Fig.13)
Note: the wiring connect is for reference only,
please refer to the actual one.
(4) Put wiring cover back and then tighten the screw.
(5) Close the panel.
Note:
(1) All wires of indoor unit and outdoor unit should be
connected by a professional.
(2) If the length of power connection wire is insufficient, please
contact the supplier for a new one. Avoid extending the wire by
yourself.
(3) For the air conditioner with plug, the plug should be
reachable after finishing installation.
(4) For the air conditioner without plug, an air switch must be
installed in the line. The air switch should be all-pole parting
and the contact parting distance should be more than 3mm.
Installation and Maintenance
Screw
Wiring cover
Fig.11
Fig.12
Cooling only models: Cooling and heating models:
N(1) 2 3 L1' S
green
white black red white black
(yellow-
(blue) (brown) (blue)
green)
Outdoor unit connection Outdoor unit connection
Fig.13
8. Bind up Pipe
(1) Bind up the connection pipe, power cord and drain hose
with the band.(As show in Fig.14)
(2) Reserve a certain length of drain hose and power cord
for installation when binding them. When binding to a certain
degree, separate the indoor power and then separate the drain
hose.(As show in Fig.15)
(3) Bind them evenly.
(4) The liquid pipe and gas pipe should be bound separately at
the end.
Connection pipe
Indoor power cord
Note:
(1) The power cord and control wire cant be crossed or
winding.
(2) The drain hose should be bound at the bottom.
9. Hang the Indoor Unit
L2' G
(1) Put the bound pipes in the wall pipe and then make them
green
red
(yellow-
(brown)
green) pass through the wall hole.
(2) Hang the indoor unit on the wall-mounting frame.
(3) Stuff the gap between pipes and wall hole with sealing gum.
(4) Fix the wall pipe.(As show in Fig.16)
(5) Check if the indoor unit is installed firmly and closed to the
wall.(As show in Fig.17)
Indoor
Wall pipe
Fig.16
Note:
Do not bend the drain hose too excessively in order to prevent
blocking.
Indoor unit
Fig.14
Drain hose
Band
Outdoor
Sealing gum
Indoor and
outdoor power cord
Gas
pipe
Liquid
pipe
Band
Drain hose
Fig.15
Fig.17
Upper hook
Lower hook of
wall-mounting frame
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