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Everwell MKTH1823E-16 User Manual

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Air Conditioner Service Manual
1
Inverter air conditioner
Service Manual
Models
MKTC1213E-16/MKTC1213C-16
MKTC1223E-16/MKTC1223C-16
MKTC1823E-16/MKTC1823C-16
MKTC2423E-16/MKTC2423C-16
MKTH1213E-16/
MKTH1213C-16
MKTH1223E-16/ MKTH1223C-16
MKTH1823E-16/
MKTH1823C-16
MKTH2423E-16/ MKTH2423C-16
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Everwell MKTH1823E-16 Specifications

General IconGeneral
BrandEverwell
ModelMKTH1823E-16
CategoryAir Conditioner
LanguageEnglish

Summary

Installation and Maintenance

Electrical Safety Precautions

Critical safety measures related to electrical connections and power supply.

Installation Safety Precautions

Safety measures specific to the physical installation of the unit.

Maintenance Procedures

Details inspections and safety principles for maintenance tasks.

Maintenance Safety Principles

Safety guidelines to follow during the maintenance process.

Refrigerant Filling Requirements

Procedures and precautions for filling refrigerants into the system.

Emergency Accident Handling

Steps to take in case of large refrigerant leaks or other emergencies.

Installation Specifics

Electrical Wiring Requirements

Specifications and safety precautions for electrical connections and wiring.

Refrigerant Piping Connection

Instructions for connecting the refrigerant pipes to the indoor unit.

Connecting Refrigerant Pipes

Procedures for connecting the refrigerant pipes and tightening flare nuts.

Outdoor Unit (ODU) Installation

Guidelines for securely installing the outdoor unit and connecting pipes.

Vacuum, Leakage, and Final Testing

Procedures for creating a vacuum and detecting refrigerant leaks.

Maintenance and Troubleshooting

Failure Code Reference

List of error codes, their reasons, and remarks for diagnosis.

E0: IDU & ODU Communication Failure

Flowchart for diagnosing and resolving IDU/ODU communication errors.

E1/E2: IDU Sensor Failures

Troubleshooting guide for IDU room and coil temperature sensor failures.

E3/E7/E8: ODU Sensor Failures

Guide for diagnosing ODU coil, ambient, and discharge temperature sensor faults.

E4: Cooling System Gas Imbalance

Diagnosing and resolving issues related to insufficient refrigerant in the cooling system.

E6: IDU Ventilation Failure

Troubleshooting steps for IDU fan motor and ventilation issues.

E9: ODU IPM/Compressor Drive Fault

Troubleshooting for ODU IPM or compressor drive malfunctions.

EU: ODU Voltage Sensor Failure

Diagnosing and resolving ODU voltage test sensor failures.

P0: IPM Protection Faults

Troubleshooting for IPM protection, including overheating and overcurrent.

P1: Over/Under Voltage Protection

Troubleshooting for power supply voltage issues causing protection.

P2: Over Current Protection

Diagnosing and resolving issues related to the unit drawing excessive current.

P4: ODU Discharge Temperature Protection

Addresses overheating protection related to the ODU discharge temperature.

Disassembly Procedures

Outdoor Unit (ODU) Assembly

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