1. Introducció
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your LG 1.5 Ton 5 Star DUAL Inverter Split AC, model US-Q19YNZE3. Please read this manual thoroughly before using the appliance and retain it for future reference.
The LG DUAL Inverter Split AC features advanced cooling technology, energy efficiency, and air purification capabilities designed for medium-sized rooms (111 to 150 sq.ft).
Image: The indoor unit of the LG DUAL Inverter Split AC, white in color, mounted on a wall.
2. Configuració i instal·lació
Proper installation is crucial for the performance and longevity of your air conditioner. It is recommended that installation be performed by qualified service personnel.
2.1 Components inclosos
El paquet del producte inclou els articles següents:
- 1 unitat interior
- 1 Unitat exterior
- Inter Connecting Copper Pipe (3 meters length)
- 1 Control remot
- 2 piles (per al comandament a distància)
- Manual d'usuari (aquest document)
- Targeta de garantia
Image: A visual representation of the components included in the package: indoor unit, outdoor unit, remote control with batteries, insulated copper line set, communication wire, and small accessories.
2.2 Dimensions de la unitat
Ensure adequate space for installation and proper airflow around both indoor and outdoor units.
- Indoor Unit (W x H x D): 99.8 cm x 34.5 cm x 21 cm
- Outdoor Unit (W x H x D): 77.0 cm x 54.5 cm x 28.8 cm
Image: Detailed dimensions of the indoor unit, showing width, height, and depth.
Image: Detailed dimensions of the outdoor unit, showing width, height, and depth.
Nota: The inter-connecting copper pipe length is 3 meters. If additional length is required, consult with the installer.
3. Instruccions de funcionament
Your LG DUAL Inverter Split AC offers various modes and features for optimal comfort and energy efficiency.
3.1 DUAL Inverter Compressor
The DUAL Inverter Compressor provides efficient and quiet operation, adapting to cooling needs for faster cooling and energy saving.
Image: Illustration highlighting the fast cooling capability of the LG Dual Inverter AC.
3.2 AI Convertible 6-in-1 Cooling
This feature allows you to adjust the cooling capacity of the AC based on the number of occupants and activity levels in the room, optimizing energy consumption.
- Mode 1 (100% Capacity): For crowded and very active environments.
- Mode 2 (80% Capacity): Suitable for some people and low-activity levels.
- Mode 3 (60% Capacity): For fewer people and low-activity levels.
- Mode 4 (40% Capacity): When fewer people are present without significant activity.
- Mode 5 (AI Mode): Utilizes Artificial Intelligence to automatically adjust cooling based on sensed conditions.
- Mode 6 (VIRAAT Mode - 116% Capacity): Provides maximum cooling capacity for extremely hot conditions.
Image: Visual representation of the AI+ Convertible 6-in-1 cooling modes, showing different capacity levels for various room conditions.
3.3 VIRAAT Mode
Activates 116% cooling capacity for rapid cooling in high-temperature environments.
Image: An illustration demonstrating the VIRAAT Mode, which increases cooling capacity up to 116% for enhanced user comfort.
3.4 Diet Mode+
This mode optimizes energy consumption, reducing power input to as low as 252W, contributing to lower electricity bills.
Image: A graphic illustrating the power consumption comparison, showing Diet Mode+ significantly reducing wattage compared to full operation.
3.5 Swing en 4 direccions
The 4-way swing feature ensures uniform airflow throughout the room, distributing cool air effectively in multiple directions.
Image: An illustration showing the 4-way swing mechanism of the AC, indicating multi-directional airflow for even cooling.
3.6 Funció de silenci
Activates silent operation for minimal noise disturbance, ideal for sleeping or quiet environments.
Image: A remote control displaying the mute function, with a sleeping child in the background, emphasizing quiet operation.
3.7 Other Operating Features
- Cools at 55°C: Designed to deliver effective cooling even in extreme ambient temperatures up to 55°C.
- Funcionament sense estabilitzador: Operates within a voltage range of 120V-290V without the need for an external stabilizer.
- Magic Display (LED): Provides clear temperature and timer mode indications.
- Monsoon Comfort/Fresh Dry: Optimizes cooling during humid conditions.
- Mode de repòs: Ajusta la temperatura per a un son còmode i estalvi d'energia.
- Auto Restart (Memory): Es reinicia amb la configuració anterior després d'una apagadatage.
- Temporitzador d'encesa/apagada: Allows scheduling of AC operation.
4. Manteniment
Regular maintenance ensures optimal performance and extends the lifespan of your AC unit.
4.1 HD Filter with Anti-Virus Protection
The HD filter is equipped with anti-virus protection, utilizing Cationic Silver Ions (AgNPs) to inactivate and destroy viruses, fungi, mold, and bacteria, providing cleaner air.
Image: A diagram illustrating the three steps of anti-virus protection: microorganisms contact Cationic Silver Ions, dissolution of outer layer, and rupturing of RNA/DNA.
Neteja del filtre: The filter should be cleaned regularly. Refer to the detailed cleaning instructions in the full user manual for your specific model.
4.2 Funció de neteja automàtica
The Auto Clean feature automatically dries the interior of the indoor unit to prevent the growth of mold and bacteria, ensuring fresh air and maintaining efficiency.
Imatge: Una radiografia view of the indoor unit's heat exchanger, showing air circulation during the Auto Clean process to eliminate bacteria.
4.3 Ocean Black Protection & Gold Fin+
The outdoor unit's heat exchanger is coated with Ocean Black Protection, and the condenser fins feature Gold Fin+ technology. These coatings protect against rust and corrosion, enhancing durability, especially in environments with high humidity or salinity.
Imatge: Un retall view of the outdoor unit's condenser, highlighting the Gold Fin+ anti-corrosion coating for long-lasting durability.
Imatge: Un primer pla view of the outdoor unit's heat exchanger with Ocean Black Protection, designed for Indian conditions to prevent corrosion.
5. Solució De Problemes
This section provides guidance on common issues. For complex problems, contact LG customer support.
5.1 Smart Diagnosis System
The Smart Diagnosis system allows for quick and easy troubleshooting of issues. You can use the ThinQ app to diagnose problems and receive guidance, or share diagnostic information with LG service centers.
Image: An illustration showing the Smart Diagnosis system connecting the AC to an LG Call Center via a laptop and a consumer's smartphone with the ThinQ app.
5.2 Low Gas Detection
The unit is equipped with a low gas detection feature that alerts you if the refrigerant level is low, which can impact cooling performance and energy efficiency. Address this promptly to prevent damage to the compressor.
Image: The indoor unit displaying a "CH 38" error code, indicating low gas detection, with a "Saves you money" badge.
5.3 ADC Sensor
The ADC (Ambient, Discharge, Condenser) sensors monitor various parameters to ensure stable performance and safety. If an issue related to these sensors occurs, the Smart Diagnosis system can help identify it.
Image: A diagram showing the location of Ambient, Discharge, and Condenser sensors within the outdoor unit, emphasizing safety and performance.
6. Especificacions
| Característica |
Detall |
| Marca | LG |
| Model | US-Q19YNZE3 |
| Classificació d'eficiència energètica | 5 Star (as per 2025 BEE guidelines) |
| Capacitat | 1.5 tones |
| Consum anual d'energia | 744.75 quilowatts hora per any |
| ISEER Value | 5.20 |
| Nivell de soroll (unitat interior) | 31 decibels |
| Tipus d'instal·lació | Sistema dividit |
| Potència de refrigeració | 5 quilowatts |
| Gas refrigerant | R32 (Environment-Friendly) |
| Voltage | 230 Volts |
| Wattage | 1290 watts |
| Material (Outdoor) | GPSP/GP-DD |
| Material (Indoor) | ABS/HIPS |
| Color | Blanc |
| Pes de l'article | 41 kg (Total) |
| Dimensions de la unitat interior (L x A x A) | 21 x 99.8 x 34.5 centímetres |
| Dimensions de la unitat exterior (L x A x A) | 28.8 x 77.0 x 54.5 centímetres |
| Característiques especials | DUAL Inverter Compressor, AI Convertible 6-in-1, VIRAAT Mode, HD Filter with Anti-Virus Protection, ADC Sensor, Cools at 55°C, Stabilizer free operation (120V-290V), Magic Display, Gold Fin+, Ocean Black Protection, Ez Clean Filter, Low gas detection, 100% Copper Condenser, 6 Fan Speed steps, Hi grooved Copper, Smart Diagnosis System, Comfort Air, Monsoon Comfort/Fresh Dry, Auto Clean, Mute Function, On/Off Timer, Sleep Mode, Auto Restart (Memory), On/Off Indicator, Dehumidifier, Diet Mode Plus, 4 Way Swing, 15 MTS Airthrow. |
Nota: The current star rating is based on 2025 BEE guidelines. Under the new 2026 BEE guidelines (effective from 1st Jan 2026), this product will be rated one star lower.
7. Garantia i Suport
7.1 Garantia del fabricant
- Producte: 1 any de garantia integral
- PCB and Motor: 5 anys de garantia
- Compressor: 10 anys de garantia
*Free Gas charging during the comprehensive period only. Terms and Conditions Apply.
Brand warranty can be availed using the Amazon invoice and the User Manual (this document).
7.2 Atenció al client
For service requests, technical assistance, or warranty claims, please contact LG customer support:
- Telèfon: 08069379999
- WhatsApp: 9711709999
- Correu electrònic: serveiindia@lge.com
You can also access the user manual and other support resources on the official LG weblloc.