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Midea MCA3U-18HRFNX-QRD0W - User Manual

Midea MCA3U-18HRFNX-QRD0W
140 pages
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TM_MULTI_R32_3D INV_EU_S_NA_1909
MULTI SPLIT TYPE
R32 3D INVERTER CONTROL
TECHNICAL MANUAL

Table of Contents

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Midea MCA3U-18HRFNX-QRD0W Specifications

General IconGeneral
BrandMidea
ModelMCA3U-18HRFNX-QRD0W
CategoryAir Conditioner
LanguageEnglish

Summary

Model Reference

Functions

General Specifications

Indoor Unit Combination

Dimensional Drawings

Indoor Unit Dimensional Drawings

Dimensions of A6 Duct type indoor units.

Outdoor Unit Dimensional Drawings

Dimensions of M2OG, M2OC, M2OD outdoor units.

Centre of Gravity

Air Velocity and Temperature Distributions

Electrical Wiring Diagrams

Indoor Unit Electrical Wiring Diagrams

Wiring diagrams for indoor units.

Outdoor Unit Electrical Wiring Diagrams

Wiring diagrams for outdoor units.

Refrigerant Cycle Diagrams

Noise Criterion Curves

Indoor Unit Noise Criterion Curves

Noise curves for A6 Duct type indoor units.

Outdoor Unit Noise Criterion Curves

Noise curves for outdoor units.

Electrical Characteristics

Static Pressure

Display Function

Operation Modes and Functions

Unit Element Abbreviations

List of abbreviations for unit elements.

Safety Features

Safety features and protection mechanisms for the unit.

Mode Operations

Details on various operating modes like Fan, Cooling, Heating, Auto, Drying.

Timer and Sleep Functions

How to use timer and sleep modes for operations.

Advanced Functions

Details on forced operation, auto-restart, follow me, and drain pump control.

Mode Conflict Handling

How to resolve conflicts when units are in different modes.

Remote Controller Functions

Infrared Wireless Remote Controller

Specifications and buttons for the wireless remote.

Wireless Remote Controller Models

Details for various wireless remote models like RG51Q1/BGE and R51M/E.

Aurora Series Remote Controller

Details for the RG51F1/E remote controller for Aurora series.

All Easy Series Remote Controller

Details for the RG51I55/BGEF remote controller for All Easy series.

LCD Wired Remote Controller

Wired Remote Controller KJR-12 BDP(T)

Buttons and functions of the KJR-12B/DP(T) remote.

Wired Remote Controller KJR-120 CTF-E

Buttons and functions of the KJR-120C/TF-E remote.

Wired Remote Controller KJR-120 GTF-E

Buttons and functions of the KJR-120G/TF-E remote.

Centralized Controller

Wire Controller Settings

Set External Static Pressure

How to set external static pressure using the wire controller.

Set Airflow Rate

How to set the airflow rate using the wire controller.

Accessories (A6 Duct Type)

Accessories (Compact Cassette Type)

Accessories (Wall-Mounted Type)

Installation Overview

Location Selection

Indoor Unit Installation (A6 Duct Type)

Adjust Air Inlet Direction

How to adjust the air inlet direction on A6 Duct type units.

Fresh Air Duct Installation

Installation of the fresh air duct for A6 Duct type units.

Indoor Unit Installation (Compact Cassette Type)

Compact Cassette Panel Installation

How to install the front panel of compact cassette units.

Indoor Unit Installation (Wall Mounted Type)

Drill Wall Hole for Piping

How to drill wall holes for connecting pipes.

Prepare Refrigerant Piping

Connect Signal Cable

Electrical Work Regulations

Important safety regulations for electrical work.

Wrap Piping and Cables

Mount Indoor Unit

Outdoor Unit Installation

Drainage Pipe Installation

Refrigerant Pipe Installation

Vacuum Drying and Leakage Checking

Additional Refrigerant Charge

Insulation of Refrigerant Pipe

Guidelines for insulating refrigerant pipes.

Engineering of Electrical Wiring

Insulation of Drainage Pipe

Guidelines for insulating drainage pipes.

Test Operation

Static Pressure Design Introduction

Friction Losses in Round Ducts

Using charts to determine fluid resistance in round ducts.

Dynamic Losses

Rectangular vs. Round Duct Relation

Duct Calculation Method

Unit Conversion Factors

Common conversion factors for duct system calculations.

Recommended Outlet Velocity

Maximum air velocities based on occasion and noise level.

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