Lennox Y6760, Service Manual

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30
Installation and Maintenance
Service Manual
(4) Put wiring cover back and then tighten the screw.
(5) Close the panel.
Power connection
wire
Cable-cross
hole
(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.
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)
(2) Make the power connection wire go through the cable-cross
hole at the back of indoor unit and then pull it out from the front
side.(As show in Fig.12)
(3) Remove the wire clip; connect the power connection wire
to the wiring terminal according to the color; tighten the screw
and then fix the power connection wire with wire clip.(As show
in Fig.13)
Note:
Fig.11
Fig.12
Fig.13
Wiring cover
Screw
Panel
Note: the wiring board is for reference only,
please refer to the actual one.
Wire clip
Wiring board Grounding
wire
2 N (1)
Indoor unit
Gas
pipe
Indoor and
outdoor power cord
Liquid
pipe
Drain hose
Band
Drain hose Band
Connection pipe
Indoor power cord
(1) The power cord and control wire can't be crossed or
winding.
(2) The drain hose should be bound at the bottom.
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.
Note:
Fig.14
Fig.15
9. Hang the Indoor Unit
(1) Put the bound pipes in the wall pipe and then make them
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)
Do not bend the drain hose too excessively in order to prevent
blocking.
Note:
Indoor
Outdoor
Wall pipe
Sealing gum
Upper hook
Lower hook of
wall-mounting frame
Fig.16
Fig.17
N(1)
blue black
yellow-
green
Outdoor unit connection
2
N(1)
blue black brown yellow-
green
Outdoor unit connection
2 3
LM024CI-100T432-1
LM009CI-100T432-1
LM012CI-100T432-1
LM018CI-100T432-1