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50
Single Zone High Efciency, Standard, Extended Pipe and Mega Wall Mount Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
REFRIGERANT PIPING CONNECTIONS
Single Zone Wall Mount Outdoor Unit Connections (180HEV)
1. Remove the tubing cover by loosening the fastening screws (Figure 53).
2. Align the center of the refrigerant pipe and corresponding
connection as shown in Figure 52 (on previous page).
3. Refer to Figure 54 for correct liquid and gas pipe attachment onto
outdoor unit.
4. Place a couple of drops of refrigerant oil on the opening rim of the
flare before assembling. Ensure you do not add any
contaminants. Tighten the flare nut initially by hand.
5. Finish tightening the flare nut with a torque wrench until the wrench
clicks. Follow torque guidelines in Table 26 (on previous page).
Figure 53: Outdoor Unit Connection Cover Removal (180HEV)
Figure 54: Outdoor Unit Piping Connection (180HEV)
Terminal Block
Bracket for
Main Power Cables
Tubing
Cover
180HEV
Screw
Outdoor Unit
Torque wrench
Gas Piping
Liquid Piping
Bracket for Main
Power Cables
(Larger diameter)
(Smaller diameter)
180HEV
Do not thread liquid or gas piping through bracket used to hold main
power cables.
Outdoor Unit Connections
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