LG Electronics LS120HEV2 Engineering Manual

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36 | PRODUCT DATA

Single Zone Mega Wall Mounted Engineering Manual

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ELECTRICAL CONNECTIONS

Controller Options

Single Zone Mega and Mega 115V Wall Mount systems include a wireless handheld remote controller

(Model Nos. AKB74955602 [Mega] and AKB73456121 [Mega 115V]). Optional LG-suppled wired control-

lers are available for the Mega 115V units. See “Functions, Controls, Options”, or contact an LG repre-

sentative for more information.

Wireless Handheld Remote Controller features:

• Display Panel: Displays operation conditions.

• On / Off Button: Turns system operation on and off.

• Mode Button: Selects the operation mode: Cooling, Heating, Auto, Dry

(Dehumidification), or Fan.

• Temp Up / Down Buttons: Adjusts the desired room temperature in the different modes.

• Fan Speed Button: Sets desired fan speed.

• Reset: Initializes the handheld remote control settings.

Wired Controller Connections

Optional controllers (see “Functions, Controls, Options”, or contact an LG representative for more infor-

mation) can connect to the Single Zone Mega 115V Wall Mount indoor unit in one of two different ways.

1. LG Wired Remote Extension Cable with Molex plug (PZCWRC1; sold separately) that connects to the

CN-REMO terminal on the indoor unit PCB.

2. Field-supplied controller cable that connects to the indoor unit terminal block (must be at least

UL2547 or UL1007, and at least FT-6 rated if local electric and building codes require plenum cable

usage). Communication cable from indoor unit to remote controller(s) is to be 22 AWG, 3-conductor,

twisted, stranded, unshielded. Wiring must comply with all applicable local and national codes.

Figure 20: Terminal Block Wiring Diagram LS180HEV2, LS240HEV2.

Display

Screen

Button

RESET

• Use a conduit for the communications cable / power wiring from the outdoor unit to the indoor units.

• Make sure the communications cable / power wiring from the outdoor units to the indoor units, and the power wiring to the outdoor unit are

separate, otherwise, the outdoor unit operation will be affected by electrical noise and will malfunction or fail.

LSU090HXV, LSU120HXV

115 VAC

LS180HEV2, LS240HEV2

Figure 21: Terminal Block Wiring Diagram LS090HXV, LS120HXV

Figure 22: AKB74955602 Wire-

less Handheld Remote Controller.

Buttons on the AKB73456121 will

differ.

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LG Electronics LS120HEV2 12,000 BTU Mega Single Zone Wall-Mount Ductless Split System with 12,000 BTU