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Sharp AE-X3M18JR - User Manual

Sharp AE-X3M18JR
40 pages
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SERVICE MANUAL
AE3XM18JR
S1804AEX3M18J
AE-X3M18JR
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATION............................................ 1-1
[2] EXTERNAL DIMENSION............................... 1-2
[3] CAPACITY TABLE ......................................... 1-3
[4] ELECTRICAL PARTS .................................... 1-3
[5] WIRING DIAGRAMS...................................... 1-4
CHAPTER 2. EXPLANATION OF CIRCUIT AND OP-
ERATION
[1] BLOCK DIAGARM ......................................... 2-1
[2] FUNCTIONS .................................................. 2-2
[3] ACTIVE FILTER CIRCUIT ............................. 2-4
[4] EXPLANATION OF IPM DRIVE CIRCUIT........ 2-6
CHAPTER 3. FUNCTION AND OPERATION OF PRO-
TECTIVE PROCEDURES
[1] PROTECTIVE FUNCTIONS AND OPERA-
TIONS ............................................................ 3-1
[2] TROUBLESHOOTING GUIDE ......................3-2
CHAPTER 4. REFRIGERATION CYCLE
[1] REFRIGERATION SYCLE.............................4-1
[2] REFRIGERANT PIPE INSTALLATION
WORKS .........................................................4-2
CHAPTER 5. DISASSEMBLING PROCEDURE
[1] OUTDOOR UNIT...........................................5-1
Parts List
TopPage
CONTENTS
MULITI SPLIT TYPE
ROOM AIR CONDITIONERS
(OUTDOOR UNIT)
MODEL
In the interests of user-safety (Required by safety regulations in some countries)
the set should be restored to its original condition and only parts identical to those
specified should be used.

Questions and Answers

  • T
    Timothy ChavezAug 16, 2025
    What to do if my Sharp AE-X3M18JR shows low voltage error?
    • A
      Anthony SnyderAug 16, 2025
      If your Sharp Air Conditioner indicates a low voltage error, ensure you connect it to a stable power supply.
  • T
    Terry MartinAug 22, 2025
    What to do if my Sharp AE-X3M18JR Air Conditioner has erroneous wiring?
    • S
      Sean FrederickAug 22, 2025
      If your Sharp Air Conditioner displays an erroneous wiring issue, you should inspect the wires connecting the units.
  • J
    Jeremy CastilloAug 26, 2025
    What to do if my Sharp AE-X3M18JR indoor unit fan shows an error?
    • N
      Nathaniel SchneiderAug 26, 2025
      If the indoor unit fan of your Sharp Air Conditioner is not working, replace the indoor fan motor.
  • T
    tamarajacobsAug 28, 2025
    What to do if my Sharp AE-X3M18JR Air Conditioner compressor doesn't start?
    • R
      russellchaseAug 28, 2025
      If your Sharp Air Conditioner's compressor fails to start, check the compressor cords (red, white, orange) for proper connection on both the PWB side and the compressor side.
  • L
    Lori KellyAug 31, 2025
    What to do if my Sharp Air Conditioner has a drain pump unit error?
    • M
      Mrs. Monica ArmstrongAug 31, 2025
      If your Sharp Air Conditioner is showing a drain pump unit error, you should replace the drain pump unit.
  • J
    Jennifer WilliamsSep 3, 2025
    What to do if my Sharp AE-X3M18JR Air Conditioner has EEPROM data error?
    • K
      Kathryn ShermanSep 3, 2025
      If your Sharp Air Conditioner displays an EEPROM data error, replace the indoor unit control PCB.
  • C
    Christie JohnsonSep 6, 2025
    What to do if my Sharp AE-X3M18JR detects inverter current error?
    • J
      James HansonSep 6, 2025
      If your Sharp Air Conditioner detects an inverter current error, replace the outdoor unit control PCB assembly.
  • K
    kathryn12Sep 9, 2025
    What to do if my Sharp Air Conditioner shows active filter overvoltage error?
    • E
      ellispatriciaSep 9, 2025
      If your Sharp Air Conditioner indicates an active filter overvoltage error, replace the outdoor unit control PCB assembly.
  • T
    Tracey MaldonadoSep 10, 2025
    What to do if my Sharp AE-X3M18JR Air Conditioner shows serial open-circuit error?
    • A
      Amanda JordanSep 12, 2025
      If a serial open-circuit is detected in your Sharp Air Conditioner, check the wiring connections between the units.
  • A
    Audrey GonzalezSep 12, 2025
    What to do if my Sharp AE-X3M18JR Air Conditioner shows clock error?
    • J
      James JonesSep 12, 2025
      If your Sharp Air Conditioner displays a clock error, replace the outdoor unit control PCB assembly.

Summary

Chapter 1: Specifications

Specification Details

Provides detailed specifications for indoor and outdoor units, including electrical data and performance parameters.

External Dimensions

Illustrates the physical size and layout of the outdoor unit with key measurements.

Capacity Tables

Lists cooling and heating capacities for various indoor/outdoor unit combinations.

Electrical Components

Details essential electrical parts like compressors, fuses, and motors with their model numbers.

Wiring Diagrams

Presents schematic diagrams illustrating the electrical connections of the unit.

Chapter 2: Circuit and Operation Explanation

Block Diagram

Visual representation of the unit's major functional blocks and their interconnections.

Unit Functions

Explains various operational modes and control features of the air conditioner.

Active Filter Circuit

Details the active filter circuit for high efficiency and power factor improvement.

IPM Drive Circuit Explanation

Explains the power supply and control circuits for the Intelligent Power Module (IPM).

Chapter 3: Protective Functions and Operations

Protective Functions Overview

Lists and describes various protection mechanisms for the unit's operation.

Troubleshooting Guide

Provides methods for diagnosing and resolving operational errors using self-diagnosis.

Chapter 4: Refrigeration Cycle

Refrigeration Cycle Diagram

Illustrates the refrigerant flow path for cooling and heating modes.

Refrigerant Pipe Installation Works

Details guidelines for refrigerant pipe installation and vacuum procedures.

Chapter 5: Disassembling Procedure

Outdoor Unit Disassembly

Provides a step-by-step guide for disassembling the outdoor unit's components.

SHARP Parts List

Outdoor Unit Parts

Lists all replaceable parts for the outdoor unit with reference numbers.

Control Board Unit Parts

Lists components specific to the control board unit.

IPM30 A Board Parts

Lists components specific to the IPM30A board.

Sharp AE-X3M18JR Specifications

General IconGeneral
BrandSharp
ModelAE-X3M18JR
CategoryAir Conditioner
LanguageEnglish

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