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Hisense AMW2-14U4RRA - User Manual

Hisense AMW2-14U4RRA
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TECHNICAL&SERVICE MANUAL V2.0
—MULTI-SPLIT TYPE AIR CONDITIONERS
R410A
Refrigerant
R410A
Refrigerant
R410A
Refrigerant
R32
Refrigerant
Models:
<Outdoor Unit>
AMW2-14U4RRA
AMW2-18U4RXA
AMW3-24U4RAA
AMW4-27U4RAA
AMW4-36U4RAA
2AMW-42U4RRA
2AMW-50URXA
3AMW-70U4RAA
4AMW-81U4RAA
4AMW-105U4RAA

Questions and Answers

  • E
    Erin MorrisSep 23, 2025
    What to do if my Hisense AMW2-14U4RRA shows IPM and control board communication fault?
    • W
      Wesley JordanSep 23, 2025
      To address an IPM and control board communication fault in your Hisense Air Conditioner, you can try the following steps: * Reconnect the cable between the control board and the driver board. * Replace the communication cable between the control board and the driver board. * Replace the driver board. * Replace the control board.
  • C
    Christina HarveyAug 23, 2025
    What to do for drainage protection in Hisense Air Conditioner?
    • J
      John SkinnerAug 23, 2025
      To troubleshoot a drainage protection issue with your Hisense Air Conditioner, follow these steps: 1. Check the drain hose for blockages or excessive height. 2. Inspect the water pump and replace it if it's faulty. 3. Reconnect the cable of the water level switch, referring to the wiring diagram. 4. Replace the water level switch. 5. Replace the control board.
  • M
    Michael RichardsAug 25, 2025
    How to fix communication fault between indoor and outdoor unit of Hisense AMW2-14U4RRA?
    • S
      samanthaandersonAug 26, 2025
      To resolve communication issues between the indoor and outdoor units of your Hisense Air Conditioner, try the following: * Reconnect the connection cable, referring to the wiring diagram. * Reconnect the communication cable. * Replace the communication cable. * Replace the indoor or outdoor control board. * Check the communication circuit, adjusting the DIP switch and short-circuit fuse. * Ensure you are using a suitable communication cable, referring to the user manual.
  • B
    Barry GonzalezAug 27, 2025
    What to do if my Hisense Air Conditioner shows compressor overheat protector device?
    • O
      otateAug 27, 2025
      If your Hisense Air Conditioner's compressor is overheating, you can try the following steps: 1. Reconnect the wiring of the overload protector. 2. Replace the overload protector. 3. Check for leakage at the welding points and recharge the refrigerant if necessary. 4. Add refrigerant. 5. Replace the expansion valve. 6. Replace the outdoor control board.
  • J
    Jennifer WoodsAug 27, 2025
    What to do if my Hisense AMW2-14U4RRA turns off for high pressure protection?
    • K
      Kimberly FriedmanAug 27, 2025
      To address a high-pressure switch issue or unit shutdown due to high-pressure protection in your Hisense Air Conditioner, try the following: * Reconnect the wiring to the high-pressure protector. * Replace the high-pressure protector. * Replace the outdoor control board.
  • J
    Juan McknightSep 18, 2025
    How to fix Suction temperature sensor fault in Hisense Air Conditioner?
    • J
      johnsongeorgeSep 18, 2025
      To resolve a suction temperature sensor fault in your Hisense Air Conditioner, you can try: * Reconnecting the wiring of the suction temperature sensor. * Replacing the suction temperature sensor. * Replacing the outdoor control board.
  • L
    Laura HarrisSep 14, 2025
    What to do if The outdoor DC fan motor (down fan motor) fault in Hisense AMW2-14U4RRA?
    • C
      Christie FloresSep 14, 2025
      To address the outdoor DC fan motor fault (down fan motor) in your Hisense Air Conditioner, you can try: * Reconnecting the wiring of the down DC fan motor. * Replacing the down DC fan motor. * Replacing the driver board of the fan motor. * Checking the outdoor fan to ensure it can run normally.
  • J
    John RomeroSep 15, 2025
    How to fix Discharge temperature sensor fault in Hisense Air Conditioner?
    • E
      Edward LeeSep 15, 2025
      To resolve a discharge temperature sensor fault in your Hisense Air Conditioner, you can try: * Reconnecting the wiring of the discharge temperature sensor. * Replacing the discharge temperature sensor. * Replacing the outdoor control board.
  • D
    Dr. Mary MaloneSep 6, 2025
    What to do if my Hisense AMW2-14U4RRA Air Conditioner shows voltage absent phase?
    • M
      Michelle BryanSep 6, 2025
      To resolve a voltage absent phase issue in your Hisense Air Conditioner, consider the following: * Check the wiring connection, referring to the wiring diagram. * Replace the outdoor control board.
  • J
    Joshua JimenezSep 3, 2025
    How to fix outdoor coil temperature sensor fault in Hisense Air Conditioner?
    • K
      Kendra BrownSep 3, 2025
      To fix an outdoor coil temperature sensor fault on your Hisense Air Conditioner, you can try: * Reconnecting the outdoor coil temperature sensor. * Replacing the outdoor coil temperature sensor components. * Replacing the outdoor control board components.

Summary

1. GENERAL

1.1 Features

Details key technological features of the air conditioning system.

1.2 Product Lineup

Outlines the available outdoor unit types and their corresponding models.

1.3 Model Identification

Explains the code structure for identifying outdoor unit models.

1.4 Working Range

Specifies the operating voltage and temperature ranges for the units.

1.5 Product Picture

Displays images of the outdoor units for different capacities.

2. SPECIFICATIONS

3. OUTLINES AND DIMENSIONS

4. ELECTRICAL DATA

5. CAPACITIES AND SELECTION DATA

5.1 Capacity Characteristic Charts

Shows outdoor unit capacity based on ambient and indoor temperatures for cooling and heating.

5.2 Piping Length Correction Factor

Provides correction factors based on piping length and diameter for cooling and heating.

5.3 Correction Factors According to Defrosting Operation

Details correction factors for heating capacity considering defrosting operation.

6. SOUND PRESSURE DATA

7. REFRIGERANT CYCLE

8. WIRING DIAGRAM

Electrical Wiring Diagrams

Covers diagrams for 14K/18K, 24K, and 27K/36K models.

Electric Control Boards

Illustrates control boards for 14K/18K and 24K/27K/36K models.

Running Parameter Query

Explains how to check outdoor running parameters using the digital display board.

Common Wiring and Sensor Parameters

Details wiring connections and sensor data for system components.

9. PIPING WORK AND REFRIGERANT CHARGE

9.1 Max. Refrigerant Pipe Length and Height Difference

Details piping requirements, including maximum lengths and height differences for different models.

9.2 Oil Trap

Explains when and how to install oil traps in the refrigerant piping system.

9.3 Additional Refrigerant Charge

Guides on calculating and adding refrigerant based on piping length.

10. CONTROL MODE

Protection Functions

Describes protection mechanisms like anti-freeze, overload, and discharge temperature protection.

Operation Modes and Controls

Details oil-return, operation modes, and valve control.

11. TROUBLE SHOOTING

Identify Fault Codes

Explains how to interpret fault codes displayed on the control board using LED indicators.

Fault Code Lists

Lists and explains fault codes for outdoor, indoor, and drive systems.

Overload Faults

Details causes and corrective measures for overload conditions in cooling and heating modes.

12. CHECKING COMPONENTS

Refrigerant System Check

Provides steps and tools for checking the refrigerant system during cooling and heating runs.

Parts Unit Identification

Lists models for fan motors and compressors for various unit capacities.

Component Testing Procedures

Explains testing methods for compressors, fuses, capacitors, inductors, and motors.

Hisense AMW2-14U4RRA Specifications

General IconGeneral
BrandHisense
ModelAMW2-14U4RRA
CategoryAir Conditioner
LanguageEnglish

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