1. Introduction
Thank you for choosing the Cooline HAL18 18000 BTU Split Air Conditioner. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your new air conditioning unit. Please read this manual thoroughly before using the appliance and keep it for future reference.
Safety Information
Always follow basic safety precautions to reduce the risk of fire, electric shock, or injury. This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Ensure the power supply matches the unit's specifications.
- 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 objects into the air outlet or inlet.
Package Contents
- Indoor Unit
- Outdoor Unit
- Remote Control with Holder
- 4-meter Copper Pipe Set
- User Manual
2. Setup and Installation
The installation of this split air conditioner requires specialized knowledge and tools. It is strongly recommended that installation be performed by a qualified and certified technician to ensure proper function and safety, and to maintain warranty validity.
Key Installation Considerations
- Location: Choose a location for the indoor unit that allows for even air distribution and is away from direct sunlight or heat sources. The outdoor unit should be placed in a well-ventilated area, away from obstacles.
- Mounting: Securely mount both indoor and outdoor units according to manufacturer guidelines.
- Refrigerant Piping: Connect the indoor and outdoor units using the provided 4-meter copper pipe set. Ensure proper insulation and leak-free connections. This unit uses R410A refrigerant.
- Electrical Wiring: Connect the unit to a dedicated 230 Volt power supply circuit. All electrical work must comply with local codes and regulations.
- Drainage: Ensure proper drainage for condensate water from the indoor unit.

Initial Power-On
After professional installation, ensure all connections are secure and the power supply is stable before turning on the unit for the first time. Refer to the remote control section for initial operation.
3. Operating Instructions
Your Cooline HAL18 air conditioner is designed for powerful and efficient cooling. It features various functions for enhanced comfort and convenience.
Remote Control Functions
The included remote control allows you to manage all functions of your air conditioner. Point the remote control directly at the indoor unit when operating.
- Power Button: Turns the unit On or Off.
- Mode Button: Selects the operating mode. This model supports 'Cool Only' mode.
- Temperature Adjustment: Use the 'Up' and 'Down' arrows to set your desired temperature.
- Fan Speed: Adjusts the fan speed (Low, Medium, High, Auto).
- Swing Function: Activates the four-way swing feature for optimal air distribution.
- Timer: Set the unit to turn on or off automatically after a specified period.

Wi-Fi Control
The Cooline HAL18 features integrated Wi-Fi connectivity, allowing you to control your air conditioner remotely using a smartphone application. Download the official Cooline app from your device's app store and follow the in-app instructions for pairing your unit. This enables you to adjust settings from anywhere, anytime.

Voice Control
For added convenience, the HAL18 supports voice control. Once connected to a compatible smart home system (e.g., Amazon Alexa, Google Assistant), you can use voice commands to adjust temperature, change fan speed, or turn the unit on/off. Refer to your smart home system's documentation for integration instructions.
Triple Airflow
The Triple Airflow design ensures that the conditioned air is distributed further, faster, and stronger throughout the room. This feature helps to avoid direct cold air drafts and ensures a more uniform indoor temperature, enhancing overall comfort.

4. Maintenance
Regular maintenance ensures optimal performance, energy efficiency, and longevity of your air conditioner. Always disconnect power before performing any maintenance.
Air Filter Cleaning
The air filters should be cleaned every two weeks or more frequently depending on usage and air quality. Dirty filters can reduce cooling efficiency and airflow.
- Open the front panel of the indoor unit.
- Remove the air filters.
- Wash the filters with lukewarm water and a mild detergent. Rinse thoroughly.
- Allow the filters to dry completely in a shaded area before reinstalling.
Exterior Cleaning
Wipe the indoor unit's exterior with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. For the outdoor unit, ensure coils are free of debris and obstructions.
Golden Fins and Anti-Corrosion Protection
The indoor unit features golden fins, which are designed to resist corrosion and improve heat exchange efficiency. The unit also includes general anti-corrosion protection for enhanced durability, especially in challenging environments.
UV Light Feature
The integrated UV Light (UVC GENERATOR) helps to inhibit the growth of bacteria and viruses, including Covid-19, with an efficiency of up to 99.998%. This feature contributes to cleaner and healthier air circulation within your space. No specific user maintenance is required for the UV light, but ensure regular filter cleaning to maintain overall air quality.

5. Troubleshooting
Before contacting service, please check the following common issues:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply; Remote control batteries low | Check circuit breaker; Replace remote control batteries |
| Insufficient cooling | Dirty air filters; Blocked outdoor unit; Temperature setting too high | Clean air filters; Clear obstructions; Lower temperature setting |
| Unusual noise | Loose parts; Obstruction in fan | Contact qualified service personnel |
| Water leakage from indoor unit | Blocked drain pipe; Improper installation | Clear drain pipe; Contact qualified service personnel for inspection |
If the problem persists after attempting these solutions, please contact a qualified service technician.
6. Specifications
Detailed technical specifications for the Cooline HAL18 Split Air Conditioner.
| Feature | Specification |
|---|---|
| Brand | Cooline |
| Model | HAL18 |
| Capacity | 1.5 Ton |
| Cooling Power | 18000 BTU |
| Special Feature | Fast Cooling |
| Product Dimensions (Indoor Unit) | 98 cm (Width) x 32 cm (Depth) x 23 cm (Height) |
| SEER (Seasonal Energy Efficiency Ratio) | 16.5 |
| Color | White |
| Voltage | 230 Volt |
| Noise Level | 42 dB |
| Refrigerant Type | R410A |
| Year of Model | 2025 |

7. Warranty and Support
Warranty Information
Your Cooline HAL18 Split Air Conditioner comes with a two-year warranty from the date of purchase. This warranty covers manufacturing defects and faulty workmanship under normal use and service. Please retain your proof of purchase for warranty claims. The warranty does not cover damages resulting from improper installation, misuse, neglect, unauthorized repairs, or acts of nature.
Customer Support
For technical assistance, warranty claims, or service inquiries, please contact Cooline customer support. Refer to your purchase documentation or the Cooline official website for the most current contact information.
- Website: Cooline Official Store
- Service Hotline: (Please refer to local Cooline contact details)
- Email: (Please refer to local Cooline contact details)