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Acson international ALC 20BR - User Manual

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Ceiling Cassette
Split Systems
Manual No: TMA-ACK-A-1230B
ACK20 A/AR
ACK25 A/AR
ACK30 A/AR
ACK40 A/AR
ACK50 A/AR
ACK15 B/BR
ACK20 B/BR
ACK25 B/BR
ACK30 B/BR
Models:

Questions and Answers

  • K
    Kelly GallagherAug 8, 2025
    What to do if my Acson international Air Conditioner does not work?
    • M
      Mr. Jeremiah Walsh DDSAug 8, 2025
      If your Acson international Air Conditioner isn't working, start by checking the power supply. It could be a power failure or a blown fuse. Also, ensure the power plug is properly connected. Finally, verify that the delay timer is correctly set.
  • C
    Crystal SullivanAug 12, 2025
    How to increase airflow in my Acson international Air Conditioner?
    • Z
      Zachary BeardAug 12, 2025
      If the airflow from your Acson international Air Conditioner is too low, the first thing you should do is clean or replace the air filter. Also, make sure that doors and windows are closed. Finally, check the suction and discharge for any clogs and clear them.
  • E
    Edward CannonAug 18, 2025
    Why is the remote control light dim on my Acson international Air Conditioner?
    • T
      Tina VangAug 18, 2025
      If the remote control light of your Acson international Air Conditioner is dim, it likely means the batteries are low. Replace the batteries. If that doesn't work, ensure the batteries are correctly inserted.
  • F
    fsmithAug 22, 2025
    How to get rid of bad odor from Acson international Air Conditioner?
    • N
      Natalie RussellAug 22, 2025
      If your Acson international Air Conditioner emits a bad odor, it's likely due to particles like cigarette smoke or perfume that have adhered to the coil. Clean the coil to remove these odors.
  • A
    Andrew FreemanAug 27, 2025
    Why is there condensation on my Acson international Air Conditioner?
    • D
      Diane RoweAug 27, 2025
      Condensation on the front panel of your Acson international Air Conditioner is often due to air humidity after prolonged use. Allow the unit to stabilize. If the condensation persists, the set temperature might be too low. Try increasing the temperature and setting the fan to high.
  • D
    Dr. John HallSep 1, 2025
    Why Acson international Air Conditioner compressor does not work after starting?
    • L
      llindseySep 1, 2025
      If the compressor of your Acson international Air Conditioner doesn't start immediately, it might be due to a built-in protection against frequent starting. Wait for 3 to 4 minutes to see if it starts.

Summary

1. SPECIAL FEATURES

2. SPECIFICATIONS

Indoor Unit Specifications

Technical details for the indoor component of the split systems.

Outdoor Unit Specifications

Technical details for the outdoor component of the split systems.

4. OPERATING RANGE

5. PERFORMANCE TABLE

ACK20 A; ALC20 B Performance Data

Cooling capacity (kW) for various indoor/outdoor conditions.

7. WIRING DIAGRAMS

Indoor Unit Wiring (Cooling Only)

Electrical schematics for indoor units in cooling-only configurations.

Outdoor Unit Wiring (Cooling Only)

Electrical schematics for outdoor units in cooling-only configurations.

Indoor Unit Wiring (Heat Pump)

Electrical schematics for indoor units in heat pump configurations.

Outdoor Unit Wiring (Heat Pump)

Electrical schematics for outdoor units in heat pump configurations.

Indoor Unit Wiring (Universal Board)

Electrical diagrams for indoor units using a universal control board.

Outdoor Unit Wiring (Universal Board)

Electrical diagrams for outdoor units using a universal control board.

8. SPECIAL PRECAUTIONS FOR R407 C

What is New Refrigerant R407 C?

Introduction to R407C refrigerant, its properties, and comparison to R22.

R407 C Components and Characteristics

Details on R407C composition, mixture behavior, and POE oil requirements.

Installation and Servicing Checklist

Essential checks for tubing, compressor oil, refrigerant, and tools.

Handling and Installation Guidelines

Precautions for R407C system handling, including filter-dryer and moisture avoidance.

9. INSTALLATION OF INDOOR UNIT

Unit Installation Procedures

Steps for mounting the indoor unit, including dimensions and ceiling preparation.

Unit Hanging and Adjustment

Detailed steps for hanging the unit, adjusting height, and ensuring stability.

Drain Piping Work and Testing

Instructions for drain pipe installation, insulation, and leak testing.

10. INSTALLATION OF OUTDOOR UNIT

11. REFRIGERANT PIPING WORK

Piping Length, Elevation, and Bends

Recommendations for optimal piping configuration to maintain capacity and reliability.

Piping Connection and Brazing

Procedures for connecting pipes, ensuring cleanliness, and proper brazing techniques.

Refrigerant Additional Charge

Guidelines for calculating and adding refrigerant based on pipe length.

12. WIRING

Electrical Connections and Regulations

Requirements for field wiring, compliance with local codes, and wire diameters.

General Wiring Precautions

Safety guidelines for wiring, grounding, connections, and avoiding contact with hot parts.

15. OVERALL CHECKING

16. STANDARD OPERATION CONDITIONS

17. REMOTE CONTROL OPERATION GUIDE

18. SERVICE AND MAINTENANCE

Air Filter Maintenance

Procedures for cleaning or replacing the air filter.

19. PRE START UP MAINTENANCE

20. TROUBLESHOOTING

Common Faults and Causes

Table listing common malfunctions and their potential causes for quick diagnosis.

Acson international ALC 20BR Specifications

General IconGeneral
BrandAcson international
ModelALC 20BR
CategoryAir Conditioner
LanguageEnglish

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