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Kaysun KAM4-105 DN5 - User Manual

Kaysun KAM4-105 DN5
64 pages
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SERVICE MANUAL
AIRCONDITIONER
DC INVERTER MULTI TYPE
KAM2-42 DN5
KAM2-52 DN5
KAM3-62 DN5
KAM3-80 DN5
KAM4-72 DN
KAM4-80 DN5
KAM4-105 DN5
KAM5-105 DN5
KAM5-120 DN5
DC MULTI OUTDOOR UNITS

Questions and Answers

  • J
    Johnathan ScottAug 18, 2025
    What to do if my Kaysun KAM4-105 DN5 shows voltage protection?
    • J
      Joshua CooperAug 18, 2025
      If your Kaysun Air Conditioner displays a voltage protection error, make sure the voltage supply is within the correct range.
  • J
    Joshua MannAug 20, 2025
    What should I do if my Kaysun KAM4-105 DN5 is showing a low pressure protection?
    • T
      Todd CannonAug 20, 2025
      If your Kaysun Air Conditioner is showing a low pressure protection error, check the refrigerant levels and inspect for leaks.
  • J
    jason74Aug 22, 2025
    Why is my Kaysun KAM4-105 DN5 Air Conditioner showing an indoor/outdoor units communication error?
    • D
      Donald ForbesAug 23, 2025
      If your Kaysun Air Conditioner shows an indoor/outdoor units communication error, verify the wiring connections between the indoor and outdoor units.
  • J
    johnedwardsAug 26, 2025
    How to fix mode conflict on my Kaysun KAM4-105 DN5?
    • R
      Randall SimmonsAug 26, 2025
      If your Kaysun Air Conditioner is experiencing a mode conflict, switch to a compatible mode for operation.
  • K
    Kathryn CummingsAug 28, 2025
    What to do if the indoor fan speed of my Kaysun KAM4-105 DN5 Air Conditioner is out of control?
    • S
      steelevickiAug 28, 2025
      If the indoor fan speed of your Kaysun Air Conditioner is out of control, inspect the fan and replace it if necessary.
  • C
    Cindy PayneAug 30, 2025
    What to do if the outdoor fan speed of my Kaysun KAM4-105 DN5 is out of control?
    • J
      Justin CalhounAug 30, 2025
      If the outdoor fan speed of your Kaysun Air Conditioner is out of control, inspect the outdoor fan and replace it if necessary.
  • S
    suzannetaylorSep 1, 2025
    What to do if my Kaysun Air Conditioner shows an inverter compressor drive protection error?
    • J
      Julie LeeSep 2, 2025
      If your Kaysun Air Conditioner displays an inverter compressor drive protection error, check the inverter compressor connections and troubleshoot.
  • B
    Brian WashingtonSep 4, 2025
    What should I do if my Kaysun Air Conditioner has an open or short circuit of the T1 temperature sensor?
    • K
      Kathleen JonesSep 4, 2025
      If your Kaysun Air Conditioner shows an open or short circuit of the T1 temperature sensor, check the T1 temperature sensor connections.
  • K
    Kristin KellySep 6, 2025
    What should I do if my Kaysun KAM4-105 DN5 has an open or short circuit of the T2 temperature sensor?
    • B
      barbara98Sep 6, 2025
      If your Kaysun Air Conditioner shows an open or short circuit of the T2 temperature sensor, check the T2 temperature sensor connections.
  • E
    Erin BrownSep 9, 2025
    What should I do if my Kaysun Air Conditioner has an open or short circuit of the T3 temperature sensor?
    • S
      Stacey TylerSep 9, 2025
      If your Kaysun Air Conditioner shows an open or short circuit of the T3 temperature sensor, check the T3 temperature sensor connections.

Summary

Outdoor Unit General Information

Product Features

Power Relay Control

Describes the power relay control feature.

Low Noise Air Flow System

Details the low noise air flow system.

Hydrophilic Aluminum Fin

Explains the hydrophilic aluminum fin feature.

4-Way Valve Control

Explains the operation of the 4-way valve.

Anti-Rust Cabinet

Mentions the anti-rust cabinet feature.

Valve Protection Cover

Explains the purpose of the valve protection cover.

Discharge Pipe Temperature Protection

Details discharge pipe temperature protection.

Unit Dimensions

Wiring Diagrams

Wiring Diagram: KAM2-42 DN5, KAM2-52 DN5

Details the wiring schematic for specific outdoor units.

Wiring Diagram: KAM3-80 DN5, KAM3-62 DN5

Details the wiring schematic for specific outdoor units.

Wiring Diagram: KAM4-80 DN5

Details the wiring schematic for a specific outdoor unit.

Wiring Diagram: KAM4-105 DN5

Details the wiring schematic for a specific outdoor unit.

Wiring Diagram: KAM5-105 DN5, KAM5-120 DN5

Details the wiring schematic for specific outdoor units.

Refrigeration Cycle Diagrams

Refrigeration Cycle: 1-Drive-2 Type

Illustrates the refrigeration circuit for a 1-drive-2 system.

Refrigeration Cycle: 1-Drive-3 Type

Illustrates the refrigeration circuit for a 1-drive-3 system.

Refrigeration Cycle: 1-Drive-4 Type

Illustrates the refrigeration circuit for a 1-drive-4 system.

Refrigeration Cycle: KAM5-105 DN5

Illustrates the refrigeration circuit for the KAM5-105 DN5 model.

Refrigeration Cycle: KAM5-120 DN5

Illustrates the refrigeration circuit for the KAM5-120 DN5 model.

Indoor Unit Combinations

Indoor Combinations: KAM2-42 DN5

Lists possible indoor unit configurations for KAM2-42 DN5.

Indoor Combinations: KAM2-52 DN5

Lists possible indoor unit configurations for KAM2-52 DN5.

Indoor Combinations: KAM3-62 DN5

Lists possible indoor unit configurations for KAM3-62 DN5.

Indoor Combinations: KAM3-80 DN5

Lists possible indoor unit configurations for KAM3-80 DN5.

Indoor Combinations: KAM4-80 DN5

Lists possible indoor unit configurations for KAM4-80 DN5.

Indoor Combinations: KAM4-105 DN5

Lists possible indoor unit configurations for KAM4-105 DN5.

Indoor Combinations: KAM5-105 DN5

Lists possible indoor unit configurations for KAM5-105 DN5.

Installation Details and Procedures

Installation Wrench Torque

Specifies torque values for installation fasteners.

Cable Connection Guide

Guidelines for selecting and connecting power cables.

Piping Length and Elevation Limits

Details maximum piping lengths and height differences for optimal performance.

First-Time Installation Guide

Step-by-step guide for initial system setup, including purging procedures.

Adding Refrigerant After System Run

Procedure for adding refrigerant to a system that has been running for many years.

Re-installation: Indoor Unit Repair

Steps for collecting refrigerant into the outdoor unit before indoor unit repair.

Re-installation: Outdoor Unit Repair

Steps for system evacuation for outdoor unit repair.

Electronic Control Functions

Control Function Abbreviations

Lists abbreviations for various temperature sensors and settings.

Control System Working Environment

Details electrical specifications and working environment requirements.

Outdoor Unit Display Tube Functions

Explains the functions of the digital display tube on the outdoor PCB.

Outdoor Unit Point Check Functionality

Explains the check switch function and display meanings for troubleshooting.

System Protection Mechanisms

Details various protection mechanisms for compressor and system operation.

Troubleshooting Procedures

Indoor Unit Error Codes

Lists and explains error codes for indoor unit malfunctions.

Outdoor Unit Error Codes

Lists and explains error codes for outdoor unit malfunctions.

Indoor Unit Troubleshooting Flowcharts

Provides diagnostic flowcharts for common indoor unit issues.

Outdoor Unit Troubleshooting Flowcharts

Provides diagnostic flowcharts for common outdoor unit issues.

Main Parts Inspection

Temperature Sensor Inspection

Instructions for checking temperature sensor resistance values.

Compressor Inspection

Instructions for measuring compressor winding resistance values.

IPM Module Continuity Check

Procedure for checking IPM module continuity.

Indoor AC Fan Motor Inspection

Instructions for measuring indoor AC fan motor winding resistance.

Kaysun KAM4-105 DN5 Specifications

General IconGeneral
BrandKaysun
ModelKAM4-105 DN5
CategoryAir Conditioner
LanguageEnglish

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