LG LA090HYV3 Installation Manual page 39

Piping Installation When Piping is on the Left Side
• See the Electrical System Installation section for information on
how to connect the communication / connection (power) cable from
the outdoor unit.
• For left-side piping, it is recommended that the communication /
power connections are complete before starting the piping connec-
tions.
1. Insert drain hose (feature could differ depending on model of
indoor unit).
2. Align the center of the refrigerant piping and corresponding con-
nection as shown on the "Connecting the Indoor Unit Refrigerant
Piping Page".
3. Place a couple of drops of refrigerant oil on outside of the flare
before assembling. Do not add any contaminants. Tighten
the flare nut initially by hand.
4. Finish tightening the flare nut with a torque wrench until the
wrench clicks. Follow torque guidelines in the table as shown on
the "Connecting the Indoor Unit Refrigerant Piping Page".
for tightening follows the arrow on the wrench.
5. Bundle the refrigerant piping, drain hose, and communication /
connection (power) cable together. Ensure that the drain hose is
located at the bottom of the bundle.
• If using a conduit for the power wiring / communications cable,
see the conduit information in the Electrical System Installation
section.
Positioning the drain hose at the top of the bundle can cause condensate
REFRIGERANT PIPING CONNECTIONS
Due to our policy of continuous product innovation, some specifications may change without notification.
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Indoor Unit Connections
Figure 50: Piping Installation When Piping is on the Left Side (Appear-
ances Will Vary Depending on Indoor Unit Model).
Left Side Piping
Drain Hose
Tape
Connection
Cable
Drain Hose
Piping
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