Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pliers
- Drill with hole saw
- Vacuum pump
- Manifold gauge set
Step-by-Step Installation
- Choose Installation Location: Select a location with proper wall support, away from direct sunlight and heat sources, with adequate clearance for airflow.
- Mount Indoor Unit Bracket: Securely mount the indoor unit bracket to the wall using appropriate anchors and ensure it is perfectly level.
- Install Outdoor Unit: Place outdoor unit on a stable, level surface with proper vibration pads and ensure adequate clearance for ventilation.
- Connect Refrigerant Pipes: Connect copper pipes between indoor and outdoor units, ensuring proper insulation and leak-free connections.
- Electrical Connection: Connect to a properly grounded 220-240V, 50Hz, dedicated circuit with appropriate circuit breaker protection.
- Vacuum and Charge: Evacuate the system using a vacuum pump and charge with the specified amount of R32 refrigerant.
- Test Run: Run the air conditioner through all modes to check for proper cooling, heating, and drainage operation.
Specifications
| Model Series | AS-12UR4SYDDB |
| Type | Split Type Air Conditioner |
| Color | White |
| Cooling Capacity | 12000 BTU (3.5 kW) |
| Heating Capacity | 13000 BTU (3.8 kW) |
| Noise Level (Indoor) | 19-38 dB |
| Control Type | Remote Control with LED Display |
| Energy Rating | A++ (Energy Efficient) |
| Power Consumption (Cooling) | 980 W |
| Power Requirements | 220-240V, 50Hz, 15A |
| Refrigerant Type | R32 (Eco-friendly) |
| Dimensions Indoor (HxWxD) | 29.5 x 84.5 x 20.5 cm |
| Dimensions Outdoor (HxWxD) | 54 x 78 x 29 cm |
| Weight Indoor/Outdoor | 9 kg / 28 kg |
Warranty Information
- Full Warranty: 2 years parts and labor
- Compressor Warranty: 5 years on rotary compressor
- Extended Coverage: Optional extended warranty available
For warranty service, contact Hisense Customer Service at 1-800-242-0000 or visit Hisense.com
Key Features
Inverter Technology
Advanced inverter compressor adjusts cooling/heating capacity to maintain desired temperature, reducing energy consumption by up to 40% compared to conventional units.
Turbo Cooling/Heating
Rapid cooling and heating function quickly reaches set temperature, providing immediate comfort when needed most.
4D Auto Swing
Wide-angle airflow distribution with automatic vertical and horizontal louvers for even room temperature distribution.
Self-Cleaning Function
Automatically cleans the indoor unit's heat exchanger to prevent mold and bacteria growth, ensuring healthier air quality.
Wi-Fi Smart Control
Connect to home Wi-Fi for remote control via smartphone app, allowing scheduling, monitoring, and voice control compatibility.
Sleep Mode
Intelligent sleep mode automatically adjusts temperature and fan speed for optimal sleeping comfort while saving energy.
Operating Modes Explained
Cool Mode
Standard cooling operation with adjustable temperature and fan speed settings
Heat Mode
Heating operation for cold weather with automatic defrost cycle
Dry Mode
Dehumidification function that removes excess moisture without overcooling
Fan Mode
Air circulation only without cooling or heating
Auto Mode
Automatically selects cooling or heating based on room temperature
Eco Mode
Energy-saving operation that optimizes performance for maximum efficiency
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Air conditioner 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 installation angle |
| Unusual noises | Loose parts, debris in fan, vibration | Tighten components, clear debris, check installation stability |
| Foul odor | Dirty filters, mold growth in unit | Clean filters, run self-cleaning function, professional cleaning |
| Remote not working | Dead batteries, signal obstruction, distance too far | Replace batteries, ensure line of sight, stay within 7 meters |
Error Codes
- E1: Room temperature sensor error - Check sensor connection
- E2: Pipe temperature sensor error - Check sensor connection
- E3: Compressor overcurrent - Check power supply and compressor
- E4: System pressure abnormal - Check refrigerant charge and valves
- E5: Indoor/outdoor communication error - Check wiring connections
- E6: Fan motor error - Check fan motor and blades
- F1: PCB error - Contact service center
Manual Downloads
Current Model Manuals
AS-12UR4SYDDB
12000 BTU Inverter AC
AS-09UR4SYDDB
9000 BTU Inverter AC
AS-18UR4SYDDB
18000 BTU Inverter AC
AS-24UR4SYDDB
24000 BTU Inverter AC
Popular Previous Models
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