1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Blue Star 1 Ton 5 Star AI Pro 5-in-1 Convertible Cooling Inverter Split Air Conditioner, model IC512TNUR. Please read this manual thoroughly before using the appliance and retain it for future reference.
The Blue Star IC512TNUR is designed to provide optimal cooling performance for medium-sized rooms (111 to 150 sq.ft). It features an inverter compressor for variable speed operation, adjusting power based on heat load, and a copper condenser coil for enhanced cooling and durability.
2. Safety Information
Important Safety Instructions:
- Ensure the air conditioner is installed by a qualified technician.
- Do not attempt to repair or modify the unit yourself. Contact authorized service personnel.
- Always disconnect power before cleaning or performing maintenance.
- Keep the remote control away from children.
- Do not block the air inlet or outlet vents of either unit.
- Ensure proper grounding to prevent electric shock.
- Use only the specified refrigerant (R-32).
3. Product Overview
Your Blue Star IC512TNUR air conditioner consists of an indoor unit, an outdoor unit, and a remote control. Key features include AI Pro technology, 5-in-1 Convertible Cooling, Turbo Cool, Comfort Sleep, Self Diagnosis, and DigiQ Penta Sensors.
Indoor Unit

Front view of the Blue Star IC512TNUR indoor air conditioner unit. This image shows the sleek white indoor unit of the Blue Star IC512TNUR air conditioner, featuring the Blue Star logo and 'INVERTER' branding.
Outdoor Unit

Front view of the Blue Star IC512TNUR outdoor air conditioner unit. This image displays the outdoor unit with its protective grille and the Blue Star logo, indicating it's an inverter model.
Remote Control

Remote control for Blue Star IC512TNUR air conditioner. The remote control features a digital display and various buttons for controlling modes, temperature, fan speed, and special functions like 5-in-1 convertible cooling and comfort sleep.
DigiQ Penta Sensors

Diagram showing DigiQ Penta Sensors locations: Ambient, Discharge, Condenser, and Indoor Unit Sensors. This diagram highlights the placement of the DigiQ Penta Sensors, including ambient, discharge, condenser, and indoor unit sensors, which collectively monitor various parameters for precise cooling control.
AI Pro Technology

Diagram of an AI Pro chip, representing the artificial intelligence features of the Blue Star AC. A visual representation of the AI Pro chip, symbolizing the advanced artificial intelligence capabilities integrated into the air conditioner for optimized performance.
4. Setup
Professional Installation: The Blue Star IC512TNUR is a split-system air conditioner and requires professional installation. Do not attempt to install the unit yourself. Contact an authorized Blue Star service center or a qualified HVAC technician for proper installation.
Initial Checks After Installation:
- Ensure all connections are secure and leak-free.
- Verify that the power supply matches the unit's requirements (230 Volts AC).
- Confirm that the drainage hose is properly installed and allows for unobstructed water flow.
- Check for any unusual noises or vibrations upon initial power-up.
5. Operating Instructions
Use the provided remote control to operate your air conditioner. Ensure the remote control has batteries installed (included with the product).
Basic Operation
- Power On/Off: Press the Power button to turn the unit on or off.
- Mode Selection: Press the Mode button to cycle through available modes: Cool, Fan, Dry.
- Temperature Adjustment: Use the Up/Down arrows to set your desired temperature.
- Fan Speed: Adjust fan speed using the Fan button.
Special Features
- 5-in-1 Convertible Cooling Mode: This feature allows you to adjust the cooling capacity of the AC to suit your needs, saving energy. Repeatedly press the dedicated '5-in-1' button on the remote to cycle through different capacity levels (e.g., 40%, 60%, 80%, 100%, 110%).

Diagram showing 5-in-1 Convertible Cooling modes of Blue Star AC, adjusting capacity from 40% to 110%. A graphic illustrating the 5-in-1 Convertible Cooling feature, which allows users to adjust the cooling capacity from 40% to 110% with multiple clicks on the remote, adapting to varying cooling needs.
- Turbo Cool: Activates maximum cooling power for rapid temperature reduction.
- Comfort Sleep: Optimizes temperature settings during sleep to ensure comfort and energy efficiency.

Person sleeping comfortably, illustrating the Comfort Sleep feature of the Blue Star AC. This image depicts a person sleeping peacefully, emphasizing the Comfort Sleep mode designed to maintain optimal temperature for undisturbed rest.
- Self Diagnosis: The unit can detect and display certain operational errors, simplifying troubleshooting.

Blue Star AC IC512TNUR installed in a living room, demonstrating cooling airflow. An image showing the indoor unit installed above a sofa in a living room, with visual cues indicating cool air distribution throughout the space.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your air conditioner. Always disconnect power before performing any maintenance.
Air Filter Cleaning
Clean the air filters every two weeks, or more frequently if the unit is used heavily or in dusty environments.
- Open the front panel of the indoor unit.
- Remove the air filters.
- Clean the filters with a vacuum cleaner or wash them with lukewarm water and mild detergent.
- Rinse thoroughly and allow them to dry completely in a shaded area before reinserting.
- Close the front panel.

Internal view of the Blue Star AC indoor unit, showing the evaporator coil and filter area. An open view of the indoor unit revealing the evaporator coil and the area where air filters are located, essential for maintenance and cleaning.
General Cleaning
- Wipe the indoor and outdoor units with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Ensure the outdoor unit's coils are free from debris (leaves, dust). This should ideally be done by a professional during annual servicing.
7. Troubleshooting
Before contacting customer support, refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply, remote control batteries low | Check power connection, replace remote batteries. |
| Insufficient cooling | Dirty air filters, blocked outdoor unit, wrong mode, room too large | Clean filters, clear obstructions, select 'Cool' mode, ensure room size is within capacity. |
| Unusual noise | Loose parts, foreign objects, unit not level | Check for loose components, remove foreign objects, ensure unit is level. If noise persists, contact service. |
| Water leakage from indoor unit | Blocked drain hose, improper installation | Check and clear drain hose. If issue persists, contact professional service. |
If the problem persists after attempting these solutions, please contact Blue Star customer support.
8. Specifications
The following table outlines the key technical specifications for the Blue Star IC512TNUR air conditioner:
| Specification | Value |
|---|---|
| Brand | Blue Star |
| Model Number | BLUE STAR AC IC512TNUR |
| Capacity | 1 Ton |
| BEE Star Rating | 5 Star |
| Seasonal Energy Efficiency Ratio (ISEER) | 5.05 |
| Annual Energy Consumption | 780.56 Kilowatts |
| Cooling Power | 11942 British Thermal Units |
| Noise Level (Indoor Unit) | 40 Decibels |
| Refrigerant | R-32 |
| Compressor Type | Inverter (Variable Speed) |
| Condenser Coil Material | Copper |
| Power Source | Corded Electric |
| Voltage | 230 Volts (AC) |
| Wattage | 339 Watts |
| Indoor Unit Dimensions (D x W x H) | 20.5D x 99.7W x 34.3H Centimeters |
| Item Weight | 35000 Grams (Indoor + Outdoor) |
| Included Components | Batteries (for remote) |
Energy Efficiency Label

Energy efficiency label for Blue Star IC512TNUR air conditioner, showing 5-star rating and ISEEER 5.05. The energy label details the 5-star BEE rating, ISEEER value of 5.05, cooling capacity, and annual electricity consumption for the Blue Star IC512TNUR model.
Indoor Unit Dimensions

Dimensions of the Blue Star IC512TNUR indoor unit: 99.7cm width, 34.3cm height, 20.5cm depth. This image illustrates the physical dimensions of the indoor unit, showing its width (99.7 cm), height (34.3 cm), and depth (20.5 cm).
9. Warranty Information
Your Blue Star IC512TNUR air conditioner comes with a warranty:
- Product Warranty: 1 Year on the product.
- Compressor Warranty: 10 Years on the Compressor.
Please refer to the official Blue Star website or your warranty card for further details, terms, and conditions.
10. Customer Support
For any queries, service requests, or technical assistance, please contact Blue Star customer support:
- Manufacturer: BLUE STAR LIMITED
- Address: KASTURI BUILDINGS, MOHAN T ADVANI CHOWK, JAMSHEDJI TATA ROAD, CHURCHGATE, MUMBAI 400 020
- Refer to your product documentation or the official Blue Star website for the latest contact numbers and service center locations.




