LG CEILING CASSETTE TYPE AIR CONDITIONERS User Manual

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
CEILING CASSETTE TYPE AIR CONDITIONERS
INSTALLATION INSTRUCTIONS
(Refrigerant : R-407C)
• This unit is charged with new refrigerant, R-407C.
• Be sure to use proper tools for R-407C, when installing the unit.
• Please read this instruction sheet completely before installing the product.
• When the power cord is damaged, replacement work shall be performed by authorized
personnel only.
• Installation work must be performed in accordance with the national wiring standards by
authorized personnel only.
P/No.: 3828A20102U
Outdoor Unit
Indoor Unit
Cooling & Heating Model has
included Drain Elbow
Anti-bacteria filter
Air
Intake
Air Outlet
Air Intake
(side, rear)
Connecting Wire
Drain Hose
Power Wire
Connection Tube
Air Outlet
Vents
Air Intake
(side, rear)
Air outlet
Connection Tube
Drain hose
Connecting
wire
Control
cover

LG CEILING CASSETTE TYPE AIR CONDITIONERS Specifications

General

Type	Ceiling Cassette
Refrigerant	R410A
Operation Mode	Cooling, Heating
Control	Remote Control
Cooling Capacity	Varies by model (e.g., 18, 000 BTU/h)
Heating Capacity	Varies by model (e.g., 20, 000 BTU/h)
Power Supply	220-240V, 50/60Hz
Dimensions	Varies by model (e.g., 840 x 840 x 250 mm)

Summary

Ceiling Cassette Air Conditioner Installation

Safety Precautions

Indoor and Outdoor Unit Installation

Electrical Wiring and Connections

Unit Wiring Diagrams

Detailed wiring diagrams for indoor and outdoor units based on capacity.

Cable Specifications and Grounding

Piping and Drainage Systems

Refrigerant Pipe Preparation and Flaring

Procedures for cutting, deburring, and flaring refrigerant pipes.

Piping Connection and Vacuum Drying

Steps for connecting pipes, tightening, and vacuum drying.

Indoor Unit Drain Piping Installation

Guidelines for installing the drain piping, including slope and insulation.

Test Running and Performance

Test Run Precautions and Procedures

Precautions and steps for conducting the unit's test run.

Power Supply and Performance Evaluation