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Samsung AQ24B1QE - User Manual

Samsung AQ24B1QE
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SERVICE
Manual
CONTENTSAIR CONDITIONER
1. Pre c a u t i o n s
2. Product Specifications
3. Operating Instructions and
I n s t a l l a t i o n
4. Disassembly and Reassembly
5. Tro u b l e s h o o t i n h
5. Exploded Views and Parts List
6. Block Diagrams
7. PCB Diagrams
8. Wiring Diagrams
9. Schematic Diagrams
ROOM AIR CONDITIONER
INDOOR
AQ24A1QE
AQ24B1QE
AQ18A1QE
AQ18B1QE
OUTDOOR
UQ24A1QE
UQ24B1QE
UQ18A1QE
UQ18B1QE

Questions and Answers

  • T
    thomas79Aug 8, 2025
    Why does my Samsung AQ24B1QE compressor and indoor fan stop in HEAT mode?
    • H
      Heather JohnsonAug 8, 2025
      In HEAT mode, the compressor and indoor fan of your Samsung Air Conditioner may stop intermittently if the room temperature exceeds the set temperature. This protects the compressor from overheating.
  • M
    Meghan BakerAug 14, 2025
    Why do the fans on my Samsung Air Conditioner stop in HEAT mode?
    • S
      Sean SchroederAug 14, 2025
      If the indoor and outdoor fans of your Samsung Air Conditioner stop intermittently in HEAT mode, the compressor is operating in a reverse cycle to remove exterior ice.
  • I
    ioliverAug 20, 2025
    What to do if the indoor and outdoor unit of my Samsung AQ24B1QE are not linked properly?
    • K
      Kristin RogersAug 20, 2025
      If the indoor and outdoor units of your Samsung Air Conditioner aren't linked correctly, check the link cable. Verify that the terminals are properly connected using the same number of cables for both units.
  • B
    brian94Aug 26, 2025
    Why does the compressor stop intermittently on my Samsung AQ24B1QE Air Conditioner?
    • F
      Frances BryantAug 27, 2025
      If the compressor in your Samsung Air Conditioner stops intermittently in COOL or DRY mode, and the indoor unit fan speed decreases, this is likely to prevent the inside/outside air from freezing.
  • D
    davisjonathanSep 1, 2025
    Why is the compressor on my Samsung AQ24B1QE Air Conditioner running when turned off?
    • G
      galvaradoSep 1, 2025
      If the compressor of your Samsung Air Conditioner's outdoor unit runs even when turned off in HEAT mode, it's likely because the de-ice function is active. The compressor will continue for up to 9 minutes to complete de-icing.

Summary

Precautions

Product Specifications

Specifications Table

Comprehensive table listing electrical, performance, and dimensional data.

Major Component Specifications

Specifications for key internal components like PCB, fan motor, and compressor.

Indoor Unit Dimensions

Technical drawings and dimensions for the indoor unit.

Outdoor Unit Dimensions (UQ24)

Technical drawings and dimensions for the UQ24A1QE/UQ24B1QE outdoor unit.

Outdoor Unit Dimensions (UQ18)

Technical drawings and dimensions for the UQ18A1QE/UQ18B1QE outdoor unit.

Pressure Graphs

Graphs showing low pressure vs. outdoor inlet air temperature.

Operating Instructions and Installation

Remote Control Operation

Explanation of remote control keys and their functions for various modes.

Selecting Installation Area

Guidelines for selecting installation locations for indoor, outdoor, and remote units.

Installation Diagram

Visual guide for installing indoor and outdoor units, including piping layout.

Installation Plate Fixing and Purging

Steps for fixing plates, purging inert gas, and connecting cables.

Drain Hose and Outdoor Unit Installation

Instructions for installing the drain hose and outdoor unit.

Flare Modification and Refrigerant Handling

Procedures for flare modification, air purging, and refrigerant refill/adjustment.

Pump Down and Relocation

Procedures for refrigerant pump down and unit relocation.

Disassembly and Reassembly

Indoor Unit Disassembly

Procedures for disassembling the indoor unit, including front grille and tray drain.

Outdoor Unit Disassembly

Procedures for disassembling the outdoor unit, including cabinet and fan motor.

Troubleshooting and Fault Diagnosis

Initial Checks

Initial checks before diagnosing problems with the unit.

No Power Fault Diagnosis

Diagnostic steps for a unit with no power.

Indoor Unit Fan Fault Diagnosis

Troubleshooting steps for a non-operating indoor unit fan.

Outdoor Unit Fault Diagnosis

Troubleshooting steps for a non-operating outdoor unit.

Louver Motor and Heat Mode Faults

Diagnosis for louver motor failure and lack of warm air in heat mode.

Remote Control Operation Faults

Troubleshooting for remote control operation issues.

PCB Inspection and Cautions

Safety precautions and procedures for inspecting PCB components.

PCB Detailed Diagnosis

Detailed procedures for troubleshooting specific PCB-related issues.

Major Parts Fault Diagnosis

Methods for diagnosing faults in major parts like sensors and motors.

Exploded Views and Parts List

Indoor Unit Parts

Exploded diagrams and parts list for the indoor unit.

Outdoor Unit Parts

Exploded diagrams and parts list for outdoor unit models.

Remote Control & PCB Box Parts

Exploded diagrams and parts for remote control and PCB box.

Block Diagrams

Refrigerating Cycle Block Diagram

Diagram illustrating the refrigerant flow and component relationships.

PCB Diagrams

Main PCB Diagrams

Detailed diagrams of the main PCB for 24K and 18K BTU models.

Display and Module PCB Diagrams

Diagrams for display and module PCB assemblies.

Wiring Diagrams

Indoor Unit Wiring Diagram

Electrical wiring diagram for the indoor unit.

Outdoor Unit Wiring Diagram

Electrical wiring diagram for the outdoor unit.

Schematic Diagrams

Indoor Unit Schematic Diagram

Detailed electrical schematic of the indoor unit showing component connections.

Samsung AQ24B1QE Specifications

General IconGeneral
Cooling Capacity24000 BTU/h
RefrigerantR410A
Power Supply220-240V, 50Hz
Air Flow (Indoor)1200 m³/h
TypeSplit
Energy Efficiency Ratio (EER)3.21 W/W
Operating Temperature (Cooling)16°C to 43°C

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