EasyManua.ls Logo

LG CT18F NQ0 - User Manual

LG CT18F NQ0
150 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
SINGLE CAC
Air Conditioner
SERVICE MANUAL(General)
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
CONFIDENTIAL
Copyright © 2019 - 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.
Question and Answer IconNeed help?

Do you have a question about the LG CT18F NQ0 and is the answer not in the manual?

LG CT18F NQ0 Specifications

General IconGeneral
BrandLG
ModelCT18F NQ0
CategoryAir Conditioner
LanguageEnglish

Summary

Part 1 General Information

1. Safety Precautions

Safety precautions for servicing and operating the unit.

2. Model Line Up

Overview of available single and multi-system air conditioner models.

3. Nomenclature

Explanation of model naming conventions for indoor and outdoor units.

3.3 Decoration panel

Details on decoration panels for ceiling cassette type indoor units.

Minimum floor area

Guidelines for determining the minimum installation floor area based on refrigerant amount.

Part 2 Functions & Controls

1. List of Functions & Accessory

Overview of functions and accessories available for different indoor unit types.

2. Air Flow

Details on various airflow modes like auto swing, chaos swing, and air flow steps.

3. Installation Functions

Explains functions related to unit installation, such as ESP and high ceiling operation.

4. Reliability

Covers reliability features like hot start, self-diagnosis, and soft dry operation.

5. Convenience Functions & Controls

Describes user-friendly functions like auto cleaning, timers, and group control.

6. Special Function & KIT

Information on special functions and kits like low ambient control and space control.

Part 3 Basic Control

1. Normal Operation

Basic principle of controlling motor rpm via compressor frequency.

2. Compressor Control

Maintaining evaporating and condensing temperatures using fuzzy control.

3. EEV (Electronic Expansion Valve) Control

EEV operation with fuzzy control rules for discharge pipe temperature.

Part 4 Trouble Shooting

1. Self-diagnosis Function

Diagnosing errors using indicator lamps and error codes.

2. Pump Down

Step-by-step procedure for pump down operation.

3. Evacuation

Process for evacuating refrigerant, including gauge and pump procedures.

4. Gas Charging

Steps for charging refrigerant into the system after evacuation.

5. Cycle Part

Analysis of temperature differences and pressure to diagnose cycle part issues.

6. Electronic Parts

Troubleshooting steps for electronic components like PCB, power supply, and specific ICs.

Related product manuals