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Midea MSV1I-12HRDN1 User Manual

Midea MSV1I-12HRDN1
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1
GD Midea Refrigeration Equipment Co.,Ltd
MULTI SPLIT TYPE, HEAT PUMP AIR CONDITIONERS
Technical service manual 2006
R410A Vertu Inverter multi Series
Indoor Models
MSV1I-09HRDN1
MSV1I-12HRDN1
Outdoor Models
M2OA-18HRIN1
M3OA-27HRIN1
M40A-27HRIN1
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Midea MSV1I-12HRDN1 Specifications

General IconGeneral
BrandMidea
ModelMSV1I-12HRDN1
CategoryAir Conditioner
LanguageEnglish

Summary

Product Features Overview

Unit Dimensions and Specifications

Indoor Unit Dimensions

Provides physical dimensions for the indoor air conditioning units.

Outdoor Unit Dimensions

Details physical dimensions for M2OA-18HRIN1 and M3OA-27HRIN1 outdoor units.

Refrigeration Cycle Diagrams

Quadplex Type Refrigeration Circuit

Illustrates the refrigeration circuit for the quadplex inverter type.

Trinary Type Refrigeration Circuit

Shows the refrigeration circuit for the trinary inverter type.

Operation Temperature Limits

Indoor Unit Combination Options

M2OA-18HRIN1 Unit Combinations

Lists possible combinations of indoor units for the M2OA-18HRIN1 model.

M3OA-27HRIN1 Unit Combinations

Details indoor unit combinations for the M3OA-27HRIN1 model.

M4OA-27HRIN1 Unit Combinations

Outlines indoor unit combinations for the M4OA-27HRIN1 model.

Wiring Diagrams

Indoor Unit Wiring Diagram

Electrical schematic for the indoor unit components and connections.

M2OA-18HRIN1 Outdoor Unit Wiring

Wiring diagram for the M2OA-18HRIN1 outdoor unit.

M3OA-27HRIN1 Outdoor Unit Wiring

Electrical connections for the M3OA-27HRIN1 outdoor unit.

M4OA-27HRIN1 Outdoor Unit Wiring

Wiring schematic for the M4OA-27HRIN1 outdoor unit.

Wire Connection Details

Connection Wire Specifications

Details specifications for the wire connecting indoor and outdoor units.

Connection Wire Drawing

Illustrates the physical drawing of the connection wire.

Electronic Control Functions

Protection Mechanisms

Lists various protection functions for the air conditioning system.

Operating Modes

Explains different operating modes like cooling, heating, and dehumidifying.

Mode Conflict Rules

Defines rules for conflicting operation modes between indoor units.

Manual Switch Operations

Describes how to switch between operating modes using the manual switch.

Timer Functionality

Details the available timer settings and operation.

Sleep Mode Operation

Explains the sleep mode feature for enhanced comfort and energy saving.

Auto Restart Functionality

Describes the system's behavior after a power failure.

Capacity Test Frequency Lock

Instructions for locking capacity test frequency during cooling/heating.

Indoor Unit Indicator Displays

Explains the meaning of various indicators on the indoor unit display.

Outdoor Unit LED Display Function

Describes the information displayed on the outdoor unit's LED.

System Check Function

Details the procedure for checking system status via outdoor PCB.

Outdoor Fan Speed Control

Explains how ambient temperature controls outdoor fan speed.

Oil Return Function

Describes the function that ensures proper oil circulation.

Troubleshooting and Error Codes

Safety Precautions for Troubleshooting

Important safety warnings before performing troubleshooting procedures.

Indoor Unit Error Code Display

Lists LED error codes for indoor units and their corresponding meanings.

Outdoor Unit Error Code Display

Explains the error codes displayed by the outdoor unit.

Troubleshooting Steps and Flowcharts

Guides for diagnosing and resolving specific unit malfunctions via flowcharts.

Annex 1: Temperature Sensor Data

Annex 2: Voltage Data and Diode Check

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