LG LS180HEV2 Installation Manual page 56

ELECTRICAL SYSTEM INSTALLATION
Indoor Unit Electrical Connections
Connecting Indoor Unit Electrical Wiring (HEV2 Only)
• Verify that main power to the unit is completely off before proceeding with these steps as there is a risk of electrical shock, bodily injury, and /
or death.
• Follow all safety and warning information outlined at the beginning and throughout this manual. Failure to do so will cause electrical shock,
bodily injury, and / or death.
• Follow all safety and warning information outlined at the beginning and throughout this manual. Failure to do so will cause unit failure.
• Connect the communication / connection (power) cable to the indoor unit by matching the terminals on the outdoor unit control board. Verify
the color of the wires at the outdoor unit, along with the terminal numbers, match those for the indoor unit.
• Images are representative; actual appearance will vary.
• Refer to the circuit diagram on the indoor unit bottom cover.
1. The bottom panel must have already been removed. If it hasn't
been removed, unsnap the bottom cover at its top left and right
sides (Location 1).
2. Unsnap each of the three (3) or four (4) small C-hooks located in
the middle of the bottom cover (Location 2). Number of C-hooks
present depends on model of indoor unit.
3. Lift the three (3) to four (4) hinges on the bottom cover up and
out of the channels molded to the left, right, and middle of the
indoor unit (Location 3). Number of hinges present depends on
model of indoor unit.
4. Set aside the bottom cover to re-install after all procedures are
complete.
5. Terminal block is located at the front bottom-right—hand side of the
indoor unit. To access the terminals, unscrew the metal control cover
screw (if applicable), and raise the metal control cover.
6. Using a JIS screwdriver, connect the cable terminals to the
terminal block. Ensure wire color and terminal number of the
indoor unit matches those of the outdoor unit. Refer to the wiring
diagram on the inside of the bottom cover.
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Figure 103: Steps to Removing
the Bottom Cover.
3
3
3
Figure 106: Terminal Cover Down.
Figure 104: Removing the Bottom
Cover (Appearances Will Vary De-
pending on Indoor Unit Model).
Figure 105: Location of the Indoor
Unit Terminal Block.
1(L1) 2(L2) 3
Cover
Communication /
Connection
(Power) Cable
Figure 107: Terminal Cover Up.