Brand: Haier
Category: Aires Acondicionados
Document Type: Installation Guide
Language: EN
Available Languages: EN , ES
Installation Guide for 1U25YEFFRA-C
Uploaded: Nov. 21, 2025, 6:46 p.m.
Warranty Information
Refer to the warranty information provided with the unit for details.
- Read precautions carefully before operating.
- This appliance is filled with R32 refrigerant.
- Keep the manual for future reference.
- Installation work must be performed by qualified personnel.
- Ensure proper grounding and electrical connections.
- Follow specific installation procedures for indoor and outdoor units.
- Perform leak detection and vacuumizing before charging refrigerant.
- Conduct a test run to ensure normal operation.
- Refer to safety precautions for handling refrigerant and electrical work.
Troubleshooting and error codes
| Items to Be Checked | Consequence of Improper Installation |
|---|---|
| Whether the installation is firm or not | The unit may fall, vibrate or make a noise |
| Whether the inspection on air leakage is completed | The refrigerating capacity (heating capacity) may be insufficient |
| Whether the unit is fully insulated | Condensation or drip may occur |
| Whether the drainage is smooth or not | Condensation or drip may occur |
| Whether the power voltage is identical to that marked on the nameplate | Failure may occur or the parts may be burned |
| Whether the circuit and pipeline are installed correctly | Failure may occur or the parts may be burned |
| Whether the unit is safely earthed | Electric leakage may occur |
| Whether the type of wire is in line with relevant regulations | Failure may occur or the parts may be burned |
| Whether barriers are identified at the air inlet/outlet of the indoor/outdoor unit | The refrigerating capacity (heating capacity) may be insufficient |
| Whether the length of refrigerant pipes and the refrigerant amount charged are recorded | The refrigerant amount charged cannot be confirmed |