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Midea MPN1-12CRN1-BH9 User Manual

Midea MPN1-12CRN1-BH9
28 pages
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Website: www.mideaaircon.com
Service Manual
AIR CONDITIONER
Portable Type
N portable (AHAM
standard)
MPN-05CRN1-BH2(H)
US-KC15Y1/N1-N(H2H)
MPN-08CRN1-BH2(H)
US-KC23Y1/N1-N(H2H)
MPN-12CRN1-BH9(H)
US-KC35Y1/N1-N(H9H)
N portable (ASHRAE
standard)
MPN-05CRN1-BH9
US-KC15Y1/N1-N(H9)
MPN-08CRN1-BH9
US-KC23Y1/N1-N(H9)
MPN-085CRN1-BH9
US-KC25Y1/N1-N(H9)
MPN-10CRN1-BH9
US-KC30Y1/N1-N(H9)
MPN-12CRN1-BH9
US-KC35Y1/N1-N(H9)
MPN-14CRN1-BI6
US-KC41Y1/N1-N(I6)
N1 portable (AHAM
standard)
MPN1-08CRN1-BH2(H)
US-KC23Y1/N1-N1(H2H)
MPN1-09CRN1-BH2(H)
US-KC26Y1/N1-N1(H2H)
MPN1-10CRN1-BH2(H)
US-KC30Y1/N1-N1(H2H)
MPN1-12CRN1-BH9(H)
US-KC35Y1/N1-N1(H9H)
N1 portable (ARI
standard)
MPN1-08CRN1-BH9
US-KC23Y1/N1-N1(H9)
MPN1-10CRN1-BH9
US-KC30Y1/N1-N1(H9)
MPN1-12CRN1-BH9
US-KC35Y1/N1-N1(H9)
MPN1-14CRN1-BI6
US-KC41Y1/N1-N1(I6)
N series
N1 series
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Midea MPN1-12CRN1-BH9 Specifications

General IconGeneral
BrandMidea
ModelMPN1-12CRN1-BH9
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

Installation Safety

Safety guidelines for installing the unit correctly.

Operational Cautions

Important warnings and precautions during product operation.

Usage Guidelines

Guidelines for safe and correct product usage.

Unit Dimensions

Display and Controls

Control Button Functions

Explains the function of various control buttons on the unit.

Display Indicators and Errors

Details display indicators, temperature settings, and common error codes.

Refrigerant System Diagram

Electrical Schematics

Product Specifications

Installation Guide

Installation Location Requirements

Specifies clearance and location requirements for proper installation.

Exhaust Hose Preparation

Details the initial steps for preparing the exhaust hose.

Double-Hung Window Installation

Window Seal Application

Instructions for cutting and applying foam seal to the window stool.

Window Panel Attachment

Steps to attach and secure the window panel.

Top Window Seal

Instructions for applying foam seal to the top of the window.

Double-Hung Window Installation (Continued)

Securing Window Sash

Securing the window sash after installation.

Sealing Window Gaps

Sealing open gaps between window sashes with foam seal.

Sliding Window Installation

Frame Seal Application

Applying foam seal to the window frame.

Sliding Panel Attachment

Steps to attach and secure the window panel for sliding windows.

Sliding Window Installation (Continued)

Top Window Seal Application

Applying foam seal to the top of the window.

Securing Sliding Sash

Securing the sliding window sash.

Sealing Sliding Gaps

Sealing gaps between window sashes with foam seal.

Key Features

Product Features Overview

Lists key features and design aspects of the portable air conditioner.

Compressor Testing

Defective Compressor Diagnosis

Procedures for identifying and testing compressor issues.

Wiring Continuity Test

Checks continuity of compressor terminals to detect open windings.

Ground Fault Test

Tests for grounding issues in the compressor.

Compressor Efficiency Check

Diagnoses compressor inefficiency by checking system pressures.

Terminal Overload Tests

Explains and tests external and internal overload protection.

Refrigerant System Service

Required Service Equipment

Lists necessary tools and equipment for repairs.

Equipment Capability Requirements

Specifies capabilities required for repair equipment.

Hermetic Compressor Replacement

Step-by-step guide for replacing a hermetic compressor.

Refrigerant System Service (Cont.)

Hermetic Compressor Replacement Steps

Completes the procedure for hermetic compressor replacement.

Compressor Burnout Procedure

Steps for handling compressor motor burnout.

Rotary Compressor Troubleshooting

Specific troubleshooting for rotary compressors.

Refrigerant Charging Guidelines

Procedures and notes for refrigerant charging.

Fan Motor Maintenance

Fan Motor Testing Procedure

Steps to test the fan motor's functionality and speed.

Capacitor Testing

Capacitor Diagnostic Test

Detailed instructions for testing capacitors using an ohmmeter.

Temperature Sensor Characteristics

Troubleshooting Guide

Power and Button Issues

Diagnoses and remedies for power or button issues.

Remote Control Malfunctions

Troubleshooting steps for remote control malfunctions.

Intermittent Fan Motor Operation

Possible causes and solutions when the fan motor runs intermittently.

Troubleshooting Guide (Cont.)

Fan Motor Failure to Run

Troubleshooting guide for when the fan motor fails to operate.

Fan Motor Noise Diagnosis

Identifies causes and solutions for abnormal fan motor noise.

Fan Runs, Compressor Off

Addresses issues where the fan runs but the compressor does not.

Unit Noise Issues

Explains causes and remedies for general excessive unit noise.

Water Full Alarm Troubleshooting

Troubleshooting the water full alarm indicator.

Poor Cooling/Heating Performance

Diagnoses performance issues related to cooling or heating.

Troubleshooting Guide (Cont.)

Unit Sizing Check

Checks if the unit's capacity matches the room size.

No Cooling or Heating

Troubleshooting steps when the unit fails to cool or heat.

Frequent Unit Cycling

Diagnoses and resolves frequent start/stop cycles.

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