1. Product Overview
The LG 1.5 Ton 5 Star DUAL Inverter Split AC (Model US-Q19QNZE1) is designed to provide efficient and powerful cooling for medium-sized rooms. This unit features a Dual Inverter Compressor for energy efficiency and quiet operation, AI Convertible 6-in-1 cooling modes for customized comfort, and a VIRAAT Mode for faster cooling. It also includes an HD Filter with Anti-Virus Protection for improved air quality and a 4-way air swing for uniform air distribution.
Image: LG Dual Inverter Split AC indoor unit, showcasing its sleek design.
2. Safety Information
Please read all safety instructions carefully before installing or operating the air conditioner. Keep this manual for future reference. Failure to follow these instructions may result in electric shock, fire, injury, or property damage.
- Ensure the power supply matches the specifications of the unit.
- Do not attempt to repair or modify the unit yourself. Contact qualified service personnel.
- Keep the area around the outdoor unit clear of obstructions.
- Do not insert fingers or objects into the air inlet/outlet.
- Ensure proper grounding to prevent electric shock.
3. Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, contact your retailer immediately.
- 1 Indoor Unit
- 1 Outdoor Unit
- 1 Inter Connecting Copper Pipe (3 meters length)
- 1 Remote Control
- 2 Batteries for Remote Control
- 1 User Manual (this document)
- 1 Warranty Card
- Communication wire and small accessories (screws, ties, etc.)
Image: A visual representation of the items included in the LG AC package, such as the indoor unit, outdoor unit, remote control, copper piping, and other accessories.
4. Installation Guide
Installation should only be performed by qualified service technicians. Improper installation can lead to water leakage, electric shock, or fire.
4.1 Unit Dimensions
Refer to the dimensions below to ensure adequate space for installation and maintenance.
- 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 cm x 54.5 cm x 28.8 cm
- Indoor Unit Weight: 11 Kg
- Outdoor Unit Weight: 28.5 Kg
Image: A diagram illustrating the precise dimensions of both the indoor and outdoor units of the LG air conditioner, crucial for proper installation planning.
4.2 Indoor Unit Placement
- Choose a location where the airflow is not obstructed.
- Ensure the wall is strong enough to support the unit's weight.
- Avoid direct sunlight or heat sources.
4.3 Outdoor Unit Placement
- Install in a well-ventilated area, away from direct sunlight or rain.
- Ensure sufficient space around the unit for air circulation.
- Minimize the length of the refrigerant piping between indoor and outdoor units.
4.4 Electrical Connections
The unit operates within a 120V-290V voltage range, allowing for stabilizer-free operation. Ensure all electrical connections are secure and comply with local regulations.
5. Operating Instructions
Familiarize yourself with the remote control and various operating modes to optimize your comfort.
5.1 Remote Control Functions
The remote control allows you to adjust temperature, fan speed, mode, and other special features. Insert the two provided batteries into the remote control before use.
5.2 AI Convertible 6-in-1 Cooling
This feature allows you to adjust the cooling capacity based on your needs, saving energy and providing customized comfort. Press the 'AI Convertible' button on your remote to cycle through the modes:
- 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): Ideal for fewer people and low-activity levels.
- Mode 4 (40% Capacity): For few people without activity.
- Mode 5 (AI Convertible): The AC intelligently adjusts capacity based on ambient conditions.
- Mode 6 (116% Capacity VIRAAT Mode): For extremely hot conditions, providing maximum cooling.
Image: A visual guide to the AI Convertible 6-in-1 cooling modes, detailing how each mode adjusts cooling capacity for different user needs and room occupancy.
5.3 VIRAAT Mode
Activate VIRAAT Mode for instant and powerful cooling. This mode increases the cooling capacity up to 116% to provide maximum user comfort, especially in very hot conditions.
Image: An illustration of the VIRAAT Mode in action, depicting the air conditioner delivering powerful, fast cooling.
5.4 Diet Mode Plus
The Diet Mode Plus feature helps reduce electricity consumption by optimizing the AC's operation. It can lower energy consumption significantly, contributing to energy savings.
Image: A graph illustrating the energy efficiency of Diet Mode Plus, showing reduced power input compared to standard operation, leading to lower electricity bills.
5.5 4 Way Swing
The 4 Way Swing function ensures uniform airflow throughout the room by automatically adjusting the horizontal and vertical louvers. This helps in faster and more consistent cooling.
Image: A visual representation of the 4 Way Swing feature, demonstrating how air is distributed evenly across the room for enhanced comfort.
5.6 Mute Function
Activate the Mute Function for silent operation, ideal for sleeping or quiet environments. This reduces the indoor unit's noise level to a minimum.
5.7 Monsoon Comfort / Fresh Dry
This mode is designed to provide comfortable cooling and dehumidification during humid conditions, such as the monsoon season, preventing excessive moisture in the air.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your air conditioner. Always turn off the power supply before performing any maintenance.
6.1 HD Filter with Anti-Virus Protection
The HD Filter with Anti-Virus Protection uses Cationic Silver Ions (AgNPs) to deactivate viruses and bacteria, providing cleaner air. Clean the filter regularly to maintain air quality and efficiency.
- Cleaning Frequency: Clean the filter every two weeks or more often if the environment is dusty.
- Cleaning Steps:
- Open the front panel of the indoor unit.
- Remove the HD filter.
- Gently vacuum or wash the filter with lukewarm water.
- Allow the filter to dry completely in a shaded area before reinserting.
Image: A step-by-step diagram illustrating how the HD Filter with Anti-Virus Protection works to deactivate viruses and bacteria using Cationic Silver Ions.
6.2 Auto Clean Function
The Auto Clean function automatically dries the interior of the indoor unit to prevent the growth of mold and bacteria, ensuring fresh and healthy air. Activate this function periodically.
6.3 General Cleaning
- Wipe the exterior of the indoor unit with a soft, dry cloth.
- Do not use harsh detergents, solvents, or abrasive cleaners.
- Ensure the outdoor unit's coils are free from dust and debris.
7. Troubleshooting
Before contacting service, refer to the following common issues and solutions.
7.1 Smart Diagnosis System
The Smart Diagnosis System allows you to quickly troubleshoot issues with your AC using the ThinQ app. If a problem occurs, the system can help identify the cause and suggest solutions or facilitate contact with customer service.
Image: A diagram illustrating the Smart Diagnosis system, where the AC communicates with a smartphone via the ThinQ app to assist in identifying and resolving operational issues.
7.2 Low Gas Detection
The unit is equipped with a Low Gas Detection feature that alerts you if the refrigerant level is low. If this alert appears, contact qualified service personnel for inspection and recharging.
7.3 Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| AC not cooling effectively | Dirty air filter, blocked outdoor unit, incorrect mode setting, low refrigerant. | Clean air filter, clear obstructions, select appropriate mode, contact service for refrigerant check. |
| Unit not turning on | No power, remote control batteries dead, circuit breaker tripped. | Check power supply, replace remote batteries, reset circuit breaker. |
| Unusual noise | Loose parts, fan obstruction, compressor issue. | Check for loose parts, clear obstructions, contact service if noise persists. |
8. Product Specifications
Detailed technical specifications for the LG 1.5 Ton 5 Star DUAL Inverter Split AC (Model US-Q19QNZE1).
| Feature | Specification |
|---|---|
| Brand | LG |
| Model Number | US-Q19QNZE1 |
| Capacity | 1.5 Tons |
| Cooling Power | 5 Kilowatts |
| Energy Rating | 5 Star (BEE 2025 guidelines) |
| Annual Energy Consumption | 744.75 units |
| ISEER Value | 5.20 |
| Refrigerant | R-32 (Environment-Friendly) |
| Compressor Type | Dual Inverter Rotary Screw |
| Noise Level (Indoor Unit) | 31 Decibels |
| Air Circulation (Indoor/Outdoor) | 653/1236 CFM |
| Max Ambient Temperature | 55 degree Celsius |
| Voltage | 230 Volts |
| Wattage | 1310 Watts |
| Filter Type | HD Filter with Anti-Virus Protection |
| Special Features | AI Convertible 6-in-1 Cooling, VIRAAT Mode, 4 Way Swing, Gold Fin+, Ocean Black Protection, Ez Clean Filter, Low Gas Detection, Smart Diagnosis System, Stabilizer Free Operation (120V-290V), ADC Sensor, Monsoon Comfort, Auto Clean, Mute Function, Sleep Mode |
| Recommended Room Size | 111 to 150 sq.ft |
| Copper Condenser Coil | 100% Copper Tubes with Ocean Black Protection |
9. Warranty and Support
LG provides comprehensive warranty and support for your air conditioner.
9.1 Manufacturer Warranty
- Product: 1 Year Comprehensive Warranty
- PCB and Motor: 5 Years Warranty
- Compressor: 10 Years Warranty
*Free Gas charging during comprehensive period only. Terms and Conditions Apply.
To avail warranty services, please retain your Amazon invoice as proof of purchase.
9.2 Customer Support
For any queries, assistance, or to schedule service, please contact LG customer support:
- Telephone: 08069379999
- WhatsApp: 9711709999
- Email: serviceindia@lge.com
When contacting support, please provide your product's model name (US-Q19QNZE1) and seller's details as mentioned on your invoice.