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General| Brand | Haier |
|---|---|
| Model | AU042FNERA |
| Category | Air Conditioner |
| Language | English |
Key operational considerations and company responsibilities.
Appliance use by children and general user safety precautions.
Describes simultaneous control, startup, and energy saving.
Guidelines for safe installation, handling, warnings, and prohibitions.
Specific safety advice for installation, wiring, and environmental factors.
Procedure for checking the unit upon arrival for damage and verifying specifications.
Instructions and safety precautions for lifting the outdoor unit using ropes.
Recommendations for safely handling and moving the outdoor unit by hand.
Checks for model, power, pipes, wires, and unit compatibility.
Criteria for choosing a suitable location for the outdoor unit.
Required space around the outdoor unit for installation and maintenance.
Diagrams showing required clearance for single outdoor unit installations.
Diagrams showing required clearance for multi-unit outdoor installations.
Clearance requirements for multi-unit installations in front and back.
Advice on foundation work and protection against strong winds.
Methods, cautions, and specifications for connecting refrigerant pipes.
Step-by-step guide for connecting refrigerant pipes securely.
Important safety and procedural notes during refrigerant piping installation.
Details on selecting appropriate copper pipes and branch pipes.
Ensuring proper drainage and preventing rust around openings.
Details on pipe diameters for indoor, branch, and outdoor connections.
Illustrates how pipes can be connected from different directions.
Permissible lengths and height differences for refrigerant piping.
Specifics on pipe diameters, thickness, and connection torque for outdoor units.
Guidance on selecting branch pipes based on indoor unit capacity.
Requirements for heat insulating gas and liquid pipes.
Methods for securing refrigerant pipes to prevent vibration damage.
Procedures for bending, flaring, and connecting refrigerant pipes with R410A oil.
Steps for performing a nitrogen pressure test to detect refrigerant leaks.
Process for evacuating the system to remove air and moisture.
Instructions for operating stop valves and their required tightening torque.
Guidelines for calculating and adding refrigerant based on pipe length.
Critical safety warnings and inspection points for electrical wiring.
Instructions for connecting power cords, ground wires, and communication lines.
Illustrates communication wiring between outdoor and indoor units.
Details on wiring, power cable sizing, and circuit breaker requirements.
Diagrams showing power supply connections for outdoor and indoor units.
Specifics on indoor power, communication wiring, and prohibited connections.
Details on communication wire dimensions and grounding.
Guidance on setting outdoor unit PCB dipswitches.
Explanation of digital tube display for outdoor unit fault codes and status.
List of outdoor unit fault codes, definitions, and descriptions.
List of indoor unit fault codes and their corresponding indications.
Detailed list of failure codes for the inverter outdoor unit.
Failure codes for valve plate modules, sensors, and current monitoring.
Failure codes for motor issues, IPM overheating, and compressor protection.
Electrical checks and compressor preheating before trial operation.
Conducting trial operation and checking system pressure.
Individual unit control, simultaneous operation, and fixed mode settings.
Indoor fan behavior and defrosting process in heating mode.
High-pressure switch activation causes and effects.
Unit behavior after power outages and electrical interference.
Instructions for moving, disassembly, and environmentally responsible scrapping.
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