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Midea MEHSU-18PHH2

Midea MEHSU-18PHH2
90 pages
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Mission 3D Inverter Series
Service Manual 2016
MBSUL-A-1604

Table of Contents

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Midea MEHSU-18PHH2 Specifications

General IconGeneral
RefrigerantR410A
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Noise Level (Indoor)42 dB(A)
Noise Level (Outdoor)54 dB(A)
Operating Temperature (Heating)-7-24°C
Air Flow (Indoor)850 m³/h
TypeSplit
Cooling Capacity18000 BTU/hr
Heating Capacity18000 BTU/h
Operating Temperature (Cooling)18-43 °C

Summary

Precautions and Safety Guidelines

Safety Precaution Measures

Instructions to prevent injury to users and property damage.

Critical Operational Warnings

Important warnings for installation, operation, and electrical safety.

Installation and Refrigerant Handling

Operational Performance Data

Electronic Functions and Controls

Troubleshooting and Fault Diagnosis

Indoor Unit Error Code Reference

List of error codes, their meanings, and initial troubleshooting steps.

Outdoor Unit Error Indicators

Diagram showing troubleshooting points on the outdoor unit PCB.

EEPROM Error Diagnosis & Solution

Steps to diagnose and resolve EEPROM parameter errors (E0/F4).

Refrigerant Leakage Detection Diagnosis & Solution

Troubleshooting procedure for refrigerant leakage detection (EC).

Overload Current Protection Diagnosis & Solution

Steps to diagnose and fix overload current protection issues (F0).

IPMIGBT Over-Current Protection Diagnosis & Solution

Troubleshooting for IPM or IGBT over-strong current protection (P0).

Voltage Protection Diagnosis & Solution

Diagnosing and resolving over/under voltage protection faults (P1).

High Temperature Protection Diagnosis & Solution

Troubleshooting high temperature protection for IPM module or compressor (P2).

Inverter Compressor Drive Error Diagnosis & Solution

Diagnosing errors related to the inverter compressor drive (P4).

Low Pressure Protection Diagnosis & Solution

Troubleshooting issues related to low pressure protection (P6).

Key Component Diagnostics

Component Disassembly Procedures

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