HSU-10VXA21 - Air-conditioner HAIER - Free user manual and instructions
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| Brand | Haier |
| Model | HSU-10VXA21 |
| Type | Split air conditioner |
| Cooling Capacity | 10,000 BTU/h |
| Heating Capacity | 10,000 BTU/h (heat pump) |
| Energy Efficiency Ratio (EER) | 11.0 |
| Power Supply | 220-240V ~ 50Hz |
| Indoor Unit Dimensions (W×H×D) | 790 × 275 × 195 mm |
| Outdoor Unit Dimensions (W×H×D) | 700 × 540 × 280 mm |
| Indoor Unit Weight | 9.5 kg |
| Outdoor Unit Weight | 28 kg |
| Refrigerant | R-410A |
| Air Flow (Indoor) | 450 m³/h |
| Noise Level (Indoor) | 28-40 dB(A) |
| Noise Level (Outdoor) | 50 dB(A) |
| Control Type | Remote control |
| Functions | Sleep mode, timer, auto restart, turbo mode |
| Filter | Washable dust filter |
| Installation | Professional installation required |
| Warranty | 5 years (compressor), 1 year (parts) |
| Energy Star | Yes |
Frequently Asked Questions - HSU-10VXA21 HAIER
How often should I clean the air filter?
Clean the washable filter every 2 weeks for optimal performance. A dirty filter reduces airflow and efficiency.
What does the 'Sleep' mode do?
Sleep mode gradually adjusts the temperature during the night to save energy and maintain comfortable sleep. It also reduces fan speed for quieter operation.
How do I reset the remote control?
Remove the batteries, press any button for 5 seconds, then reinsert the batteries. This resets the remote to factory settings.
Why is my air conditioner not cooling?
Check if the filter is dirty, the thermostat is set correctly, and the outdoor unit is not blocked. If the issue persists, contact a technician.
Can I install this unit myself?
No, professional installation is required. Improper installation can void the warranty and cause safety hazards.
What is the recommended temperature setting for energy saving?
Set the thermostat to 24-26°C (75-78°F) for cooling and 20-22°C (68-72°F) for heating. Each degree can save up to 5% on energy costs.
How do I use the timer function?
Press the Timer button on the remote. Use the +/- buttons to set the desired on/off time. The unit will automatically start/stop at the set time.
What does error code E4 mean?
E4 indicates a communication error between indoor and outdoor units. Turn off the unit, wait 5 minutes, and restart. If it persists, call service.
Is the refrigerant R-410A environmentally friendly?
R-410A is not ozone-depleting but has a high global warming potential. Proper disposal and recycling are required.
How do I clean the outdoor unit?
Turn off the unit and disconnect power. Use a soft brush or vacuum to remove dust and debris from the coils and fins. Avoid using water directly.
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