Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pipe cutter
- Vacuum pump
- Manifold gauge set
- Torque wrench
Step-by-Step Installation
- Choose Installation Location: Select a location with proper clearance (minimum 30cm from ceiling, 15cm from walls) on a solid wall.
- Mount Indoor Unit Bracket: Secure the mounting bracket to the wall using appropriate anchors for your wall type.
- Install Outdoor Unit: Place outdoor unit on a stable, level surface with proper ventilation clearance (minimum 50cm all around).
- Connect Refrigerant Pipes: Connect copper pipes between indoor and outdoor units, ensuring proper insulation on suction line.
- Electrical Connection: Connect to a dedicated circuit with proper grounding according to local electrical codes.
- Vacuum and Charge: Evacuate the system using a vacuum pump, then charge with specified refrigerant amount.
- Test Run: Run the air conditioner through all modes to check for proper operation and cooling/heating performance.
Specifications
| Model Series | ASU24RLF |
| Type | Wall Mounted Split System |
| Color | White / Silver |
| Cooling Capacity | 24,000 BTU/h |
| Heating Capacity | 26,000 BTU/h |
| Noise Level (Indoor) | 19 dB - 38 dB |
| Control Type | Remote Control with LCD Display |
| Energy Rating | A++ (Cooling) / A+ (Heating) |
| Power Requirements | 230V, 50Hz, 15A |
| Refrigerant | R32 (850g) |
| Dimensions Indoor (HxWxD) | 29.5 x 79.8 x 24.5 cm |
| Dimensions Outdoor (HxWxD) | 55 x 79.8 x 29.5 cm |
| Weight Indoor/Outdoor | 9.5 kg / 32 kg |
Warranty Information
- Full Warranty: 5 years parts and labor
- Compressor Warranty: 7 years on rotary compressor
- Additional Coverage: Optional extended warranty available
For warranty service, contact Fujitsu Customer Service at 1-800-224-0000 or visit FujitsuGeneral.com
Key Features
Inverter Technology
Advanced DC inverter technology provides precise temperature control, faster cooling/heating, and significant energy savings compared to conventional systems.
Auto Swing Louvers
Automatically adjusts vertical and horizontal airflow direction for optimal air distribution throughout the room, eliminating hot/cold spots.
Quiet Operation
Specialized noise reduction technology ensures ultra-quiet operation as low as 19 dB, perfect for bedrooms and quiet spaces.
3D Airflow
Creates a comfortable airflow pattern that circulates air throughout the entire room, providing uniform temperature distribution.
Wi-Fi Control
Compatible with Fujitsu App for remote control via smartphone, allowing temperature adjustments, scheduling, and energy monitoring.
Self-Cleaning Function
Automatically cleans the indoor unit's heat exchanger to maintain optimal performance and improve indoor air quality.
Operating Modes Explained
Cooling Mode
Standard cooling operation with adjustable temperature range (16°C - 30°C)
Heating Mode
Efficient heating operation with automatic defrost cycle for winter use
Dry Mode
Dehumidifies the air while maintaining comfortable temperature levels
Fan Mode
Circulates air without cooling or heating, with multiple fan speed options
Auto Mode
Automatically selects cooling or heating based on room temperature
Sleep Mode
Gradually adjusts temperature for optimal sleeping comfort and energy savings
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit won't start | Power issue, remote control batteries dead, circuit breaker tripped | Check power supply, replace remote batteries, reset circuit breaker |
| Poor cooling/heating | Dirty filters, blocked airflow, incorrect temperature setting | Clean filters, clear obstructions, set appropriate temperature |
| Water leaking indoors | Clogged drain pipe, improper installation slope | Clear drain pipe, ensure proper drainage slope |
| Unusual noises | Loose parts, debris in fan, ice buildup | Tighten components, clean fan blades, check for ice formation |
| Foul odor | Dirty filters, mold growth in drain pan | Clean filters, use anti-mold treatment, run fan mode |
| Remote not working | Dead batteries, signal obstruction, sensor issue | Replace batteries, ensure line of sight, check sensor window |
Error Codes
- E0: Room temperature sensor error - Check sensor connection
- E1: Indoor coil sensor error - Check coil sensor
- E3: Drain pump/floatswitch error - Check drainage system
- E6: Communication error - Check wiring between units
- E7: Outdoor fan motor error - Check outdoor fan
- H3: High pressure protection - Check for restrictions
- H9: Outdoor temperature sensor error - Check outdoor sensor
Manual Downloads
Current Model Manuals
ASU24RLF
24,000 BTU Wall Mounted
ASU18RLF
18,000 BTU Wall Mounted
ASU30RLF
30,000 BTU Wall Mounted
ASU24RLFW
24,000 BTU Wi-Fi Model
Popular Previous Models
ASU12RLF
12,000 BTU Wall Mounted
ASU24RLS
24,000 BTU Slim Design
ASU36RLF
36,000 BTU Wall Mounted
ASU24RLQ
24,000 BTU Quiet Series