Do you have a question about the Haier 1U12BS3ERA and is the answer not in the manual?
Type | Split System |
---|---|
Cooling Capacity | 12000 BTU/h |
Refrigerant | R410A |
Power Supply | 220-240V, 50Hz |
Operating Temperature (Cooling) | 18°C to 43°C |
Operating Temperature (Heating) | -7°C to 24°C |
Explains the components and meaning of the model number for the air conditioner unit.
Covers general safety warnings, cautions after repair, inspection steps, and icon explanations.
Diagram showing the refrigerant circuit during cooling operation.
Diagram showing the refrigerant circuit during heating operation.
Shows the valid indoor/outdoor temperature range for cooling operation.
Shows the valid indoor/outdoor temperature range for heating operation.
Lists connectors and their functions for the main control board.
Lists connectors and their purposes for the module board.
Outlines key operational parameters, control logic, and protection mechanisms.
Recommendations for choosing locations and mounting the outdoor unit.
Steps for mounting, piping, and connecting the indoor unit.
Ensures correct piping, drainage, power, and gas connections.
Checklist for final verification and initial testing.
Important warnings and preliminary steps before performing diagnosis.
Lists key operating parameters for major electronic components.
Lists common operational problems and recommended troubleshooting steps.
Details common error codes displayed by the unit and their faults.
Troubleshooting for thermistor, EEPROM, and PCB errors.
Diagnosing issues with fan motors, IPM, compressor, and related protections.
Addresses communication faults and power supply voltage problems.
Graphs showing cooling capacity, power, discharge, and suction at different temperatures.
Graphs showing heating capacity, power, discharge, and suction at different temperatures.
Schematic for the outdoor unit's control board.
Schematic for the module board.