1. Introduction
Thank you for choosing the Avalla S-150 Portable Air Conditioner. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your unit. Please read this manual thoroughly before using the appliance and retain it for future reference.
The Avalla S-150 is a versatile 4-in-1 unit, offering powerful cooling, effective dehumidification, air circulation as a fan, and a dedicated sleep mode for enhanced comfort.
2. Safety Information
Important Safety Instructions:
- Always ensure the unit is placed on a stable, level surface.
- Before first use, allow the unit to stand upright for at least 24 hours to allow the refrigerant to settle.
- Do not block air inlets or outlets. Maintain adequate clearance around the unit for proper airflow.
- This appliance uses R-290 refrigerant, which is flammable. Ensure proper ventilation and avoid ignition sources.
- Do not operate the unit with a damaged cord or plug.
- Unplug the unit from the power outlet before cleaning or maintenance.
- Keep children and pets away from the unit during operation.
3. Product Overview
3.1 Components
The Avalla S-150 Portable Air Conditioner typically includes the following components:
- Main Air Conditioner Unit
- Exhaust Hose
- Window Sealing Kit (includes window bracket/slider and hose adapter)
- Remote Control

Figure 1: Avalla S-150 unit and accessories.
3.2 Key Features
- Powerful Cooling: 8000 BTU cooling capacity, capable of cooling rooms up to 80m³ down to 16°C. Air circulation rate of 290m³/h.
- 4-in-1 Functionality: Air Conditioner, Dehumidifier, Fan, and Sleep Mode.
- User-Friendly Controls: Intuitive one-touch controls, clear digital display, and a convenient remote control.
- Quiet Operation: Operates at approximately 52dB, with an enhanced sleep mode for reduced noise during nighttime use.
- Energy Efficient: Class A energy efficiency rating with an 891W motor, designed for low running costs (approx. 19p per hour). Utilizes eco-friendly R-290 refrigerant.
- Dehumidification: Removes up to 22 litres of moisture per day, helping to prevent damp and mould. Can also assist in drying clothes.
- Washable Air Filter: Equipped with a washable air filter to maintain performance and extend unit lifespan.

Figure 2: Control your climate all year round with 4-in-1 functionality.

Figure 3: Powerful cooling performance for large rooms.
4. Setup
Follow these steps for initial setup:
- Unpack and Settle: After unpacking, place the unit upright on a flat, stable surface. Allow it to stand for at least 24 hours before plugging it in. This ensures the refrigerant settles properly.
- Connect Exhaust Hose: Attach the exhaust hose to the designated outlet on the rear of the unit.
- Install Window Kit: Secure the other end of the exhaust hose to the window sealing kit. Install the window kit in a suitable window opening to vent hot air outside. The kit is designed to be adaptable for various window types, including sliding, casement, awning, and sash windows.
- Positioning: Place the air conditioner near a window or opening that allows for easy venting of the exhaust hose. Ensure there is sufficient space around the unit for proper air circulation.

Figure 4: Easy setup and operation.
4.1 Setup Video Guide
Video 1: Welcome to the 2345W Industrial Class S-150 Air Conditioner. This video provides a visual guide to the unit's features and setup.
5. Operating Instructions
5.1 Control Panel and Remote Control
The unit can be operated using the touch-sensitive control panel on top of the unit or the included remote control. The digital display shows the current temperature setting and mode indicators.
5.2 Operating Modes
- Cool Mode: Select this mode for air conditioning. Adjust the desired temperature using the up/down arrows. The unit can cool down to 16°C.
- Dehumidifier Mode: This mode extracts excess moisture from the air, removing up to 22 litres per day. The fan speed is typically fixed in this mode.
- Fan Mode: Circulates air without cooling or dehumidifying. Choose between 2 fan speeds (low/high) for optimal airflow.
- Sleep Mode: Designed for quiet operation during sleep. This mode typically reduces fan speed and dims the display lights.

Figure 5: Quiet operation and sleep mode.
5.3 Timer Function
The programmable timer allows you to set the unit to turn on or off automatically, up to 24 hours in advance. Refer to the remote control or control panel section for specific timer setting instructions.
5.4 Child Lock Feature
Activate the child lock feature to prevent accidental changes to settings by children. Consult the remote control or control panel section for activation/deactivation steps.
5.5 General Operation Video
Video 2: Avalla - Portable Air Conditioners. This video provides a general overview of Avalla portable air conditioners, including operational aspects.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your Avalla S-150.
- Air Filter Cleaning: The unit is equipped with a washable air filter. Regularly remove and clean the filter under running water. Allow it to dry completely before reinserting. Frequency depends on usage and air quality, but generally every 2-4 weeks.
- Water Tank Emptying: In dehumidifier mode, the unit collects water. When the water tank is full, the unit will typically indicate this and stop operation. Drain the collected water as per the instructions in the full manual.
- Exterior Cleaning: Wipe the exterior of the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.

Figure 6: Dehumidifier function for drying clothes.

Figure 7: Dehumidifier function for protecting health and home.
7. Troubleshooting
If you encounter issues with your Avalla S-150, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power supply; Power button not pressed; Water tank full | Check power connection; Press power button firmly; Empty water tank |
| Insufficient cooling | Windows/doors open; Air filter dirty; Exhaust hose blocked/disconnected; Room size too large | Close windows/doors; Clean air filter; Check hose connection; Ensure unit is suitable for room size (up to 80m³) |
| Unit is noisy | Unit not on a level surface; Obstruction in fan; Normal operating noise | Place on a level surface; Check for obstructions; Note that some noise (approx. 52dB) is normal during operation. |
| Damp smell | Water accumulation in tank; Unit needs cleaning | Empty water tank regularly; Perform general cleaning of the unit. |
If the problem persists after attempting these solutions, please contact Avalla customer support for assistance.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | S-150 |
| Part Number | AVS-150 |
| Cooling Capacity | 8000 BTU |
| Dehumidification Capacity | Up to 22 litres/day |
| Power Source | Corded Electric |
| Voltage | 230 Volts (AC) |
| Wattage | 2345 watts (891W motor for operational efficiency) |
| Sound Level | 52 dB |
| Product Dimensions (D x W x H) | 30 x 29.7 x 70 cm |
| Item Weight | 20.2 kg |
| Energy Efficiency Rating | Class A |
| Refrigerant | R-290 (Eco-friendly) |
9. Warranty and Support
Avalla is committed to providing high-quality products and excellent customer service.
- Warranty: Your Avalla S-150 Portable Air Conditioner comes with a 2-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
- Customer Support: For any questions, technical assistance, or warranty inquiries, please contact our UK-based customer support team.
- Online Resources: Visit the official Avalla Store for additional product information, FAQs, and support resources: Avalla Store.