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Acson international ALC 20B - 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

  • S
    Sheena HarrisAug 7, 2025
    What to do if my Acson international Air Conditioner does not work?
    • J
      Joseph PettyAug 7, 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.
  • M
    Matthew McphersonAug 12, 2025
    How to increase airflow in my Acson international Air Conditioner?
    • A
      aprilsantosAug 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.
  • C
    Corey KnoxAug 17, 2025
    Why is the remote control light dim on my Acson international Air Conditioner?
    • S
      Sarah AllenAug 17, 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.
  • T
    Taylor HillAug 22, 2025
    How to get rid of bad odor from Acson international Air Conditioner?
    • M
      michaelsheltonAug 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.
  • J
    Jacob HurleyAug 27, 2025
    Why is there condensation on my Acson international Air Conditioner?
    • J
      Justin ThompsonAug 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.
  • M
    Morgan EllisSep 1, 2025
    Why Acson international Air Conditioner compressor does not work after starting?
    • S
      samanthaarnoldSep 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

Specifications

Performance Tables

Outlines and Dimensions

Wiring Diagrams

INDOOR UNIT (COOLING ONLY)

Wiring schematic for indoor cooling units.

OUTDOOR UNIT

Wiring schematic for outdoor units.

Heat Pump Indoor Unit Sections

OUTDOOR UNIT (Heat Pump)

Wiring diagram for outdoor units associated with heat pumps.

3 Phase Outdoor Unit Wiring Details

ALC 20;25 B (Cooling Only)

Wiring for 3-phase outdoor units (Cooling Only).

R407 C Refrigerant Precautions

Indoor Unit Installation Procedures

Outdoor Unit Installation Procedures

Preliminary Site Survey

Site assessment before outdoor unit installation.

Refrigerant Piping Work Guidelines

Piping Length and Elevation

Guidelines for refrigerant piping length and elevation.

Piping Connection Procedures

Procedures for connecting refrigerant pipes.

Additional Refrigerant Charge

Refrigerant quantity based on pipe length.

Electrical Wiring and Precautions

Electrical Connections

Rules for electrical wiring connections.

Accessory Parts and Ducting

Overall Checking and Testing

Remote Control Operation Guide

G8 Remote Controller Operation Guide

Service and Maintenance Procedures

Pre-Start Up Maintenance Procedures

Troubleshooting Guide

Acson international ALC 20B Specifications

General IconGeneral
BrandAcson international
ModelALC 20B
CategoryAir Conditioner
LanguageEnglish

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