To Next PageTo Next PageWhy does my Haier Air Conditioner show a suction temperature sensor failure?
A suction temperature sensor failure in your Haier Air Conditioner might be due to incorrect wiring or poor connection of the compressor.
General| Brand | Haier |
|---|---|
| Model | 1U25BEEFRA |
| Category | Air Conditioner |
| Language | English |
Essential safety rules for installation: qualified personnel, electrical safety, grounding, and refrigerant handling.
Guidelines for safe storage, installation environment, child operation, and product disposal.
Cautions for operation: flammable gas, flare nut, animal deterrence, pipe insulation.
Compliance with EU directives and R32 refrigerant details for safe use.
Guidelines for safe handling during loading, transporting, and storing the unit.
Specifies minimum room area and precautions for connecting lines to prevent refrigerant leakage.
Awareness of procedures, area safety, ventilation, site checks, and fire prevention measures.
Inspect units upon unpacking and check the installation environment for safety.
Principles for installation: ventilation, fire prohibition, anti-static measures, leak handling, and placement.
Ensure proper wiring, copper wire, reliable earthing, and dedicated circuits for safety.
Installers must hold relevant qualification certificates.
Instructions for fixing the wall panel and laying out pipes, drain hose, and wires.
Procedures for nitrogen charging for pressure maintenance and leak detection.
Securely mount and connect the outdoor unit, avoid fire sources, and properly align/tighten pipes.
Process of vacuumizing the system and performing leak detection on connecting pipes.
Steps for relocating the unit, including inspection, refrigerant discharge, recovery, cleaning, and disassembly.
Precautions for maintenance, prohibiting welding indoors, and requirements for qualified personnel.
Requirements for maintenance site setup, safety, and necessary equipment checks.
Methods for leak detection, avoiding ignition sources, using electronic detectors, and precautions during welding.
Safety principles during maintenance: ventilation, no open fire, anti-static measures, leak handling, and refrigerant cylinder safety.
Requirements for maintenance: cleaning, vacuumizing, refrigerant handling, cylinder safety, earthing, and system sealing.
Procedures for maintaining electrical components and intrinsically safe elements, ensuring safety.
Procedures for refrigerant circuit, welding, and guidelines for refrigerant charging.
Requirements for refrigerant storage and procedures for equipment scrapping.
Process for recovering refrigerant using dedicated cylinders and equipment, including transport and compressor handling.
Diagram illustrating indoor unit installation, including placement, piping, and drain hose routing.
Diagram showing outdoor unit installation, emphasizing fixing to foundation, anchor bolts, and required spacing.
Precautions for operating the unit safely, including handling abnormalities and ensuring unit stability.
Safety rules for installation environment, avoiding inflammable gases and ensuring safety in small rooms.
Electrical safety measures including avoiding damp hands, using correct fuses, circuit breakers, and proper earthing.
Emphasizes professional installation, stable placement, correct wiring, grounding, and using specified refrigerant.
Safety during operation and maintenance, including handling fins, leaks, safety features, relocation, and using specified parts.
Precautions for handling R32 refrigerant, including piping, cleanliness, tools, and avoiding other refrigerants.
Guidelines for unit installation environment, avoiding flammable gas, preserving items, and managing humidity and drainage.
Safety for electrical work: proper grounding, wire tension, breakers, and safe disposal of packing materials.
Safety measures before test run: avoid wet hands, touching pipes, operate with panels, delay power off, use air filters.
Key items to check before installation: refrigerant type, unit symptoms, safety precautions, and gas leaks.
List of necessary tools and materials for installation, categorized by compatibility with R32.
Specifications for copper pipes, including material, radial thickness, and compliance with standards.
Details on flare machining dimensions and nut types for R32 units to ensure air tightness.
Procedures for air tightness testing, including detector compatibility, pressurization, and refrigerant state.
Detailed steps for vacuumizing the system and charging refrigerant in liquid state.
Selection criteria for installation place: air circulation, heat sources, drain, noise, obstacles, wind, and required space.
Guidelines for fixing the outdoor unit to a foundation, including concrete, anchor bolts, inclination, and drainage.
Specifications for piping size, bending, connection, and fastening torque.
Impact of standard pipe length on unit function and procedures for charging additional refrigerant.
Performing the air tightness test using a nitrogen tank, checking pressure, and identifying leaks.
Method for vacuumizing using a vacuum pump, connecting service ports and gauge manifold.
Procedures to prevent refrigerant leaks and ensure proper recharging after vacuumizing.
Critical precautions for electrical wiring, including power off, grounding, authorized personnel, and circuit protection.
Step-by-step procedure for electrical wiring, including panel removal and wire connection.
Checks to perform before the initial test run, including power source and crankcase heater.
Procedures for test run and a guide to troubleshoot issues based on LED codes and errors.
