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Toshiba MMD-UP0721HP-E User Manual

Toshiba MMD-UP0721HP-E
295 pages
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AIR CONDITIONER (MULTI TYPE)
SERVICE MANUAL
Indoor unit
<4-way cassette type>
MMU-UP0091HP-E(TR)
MMU-UP0121HP-E(TR)
MMU-UP0151HP-E(TR)
MMU-UP0181HP-E(TR)
MMU-UP0241HP-E(TR)
MMU-UP0271HP-E(TR)
MMU-UP0301HP-E(TR)
MMU-UP0361HP-E(TR)
MMU-UP0481HP-E(TR)
MMU-UP0561HP-E(TR)
<Ceiling type>
MMC-UP0151HP-E(TR)
MMC-UP0181HP-E(TR)
MMC-UP0241HP-E(TR)
MMC-UP0271HP-E(TR)
MMC-UP0361HP-E(TR)
MMC-UP0481HP-E(TR)
MMC-UP0561HP-E(TR)
<Concealed Duct Standard type>
MMD-UP0051BHP-E
MMD-UP0071BHP-E(TR)
MMD-UP0091BHP-E(TR)
MMD-UP0121BHP-E(TR)
MMD-UP0151BHP-E(TR)
MMD-UP0181BHP-E(TR)
MMD-UP0241BHP-E(TR)
MMD-UP0271BHP-E(TR)
MMD-UP0301BHP-E(TR)
MMD-UP0361BHP-E(TR)
MMD-UP0481BHP-E(TR)
MMD-UP0561BHP-E(TR)
<Concealed Duct High Static Pressure type>
MMD-UP0181HP-E(TR)
MMD-UP0241HP-E(TR)
MMD-UP0271HP-E(TR)
MMD-UP0361HP-E(TR)
MMD-UP0481HP-E(TR)
MMD-UP0561HP-E(TR)
MMD-UP0721HP-E(TR)
MMD-UP0961HP-E(TR)
<Concealed Duct High Static Pressure
fresh air intake type>
MMD-UP0481HFP-E(TR)
MMD-UP0721HFP-E(TR)
MMD-UP0961HFP-E(TR)
MMD-UP1121HFP-E(TR)
MMD-UP1281HFP-E(TR)
<Console type>
MML-UP0071NHP-E(TR)
MML-UP0091NHP-E(TR)
MML-UP0121NHP-E(TR)
MML-UP0151NHP-E(TR)
MML-UP0181NHP-E(TR)
<High wall type>
MMK-UP0031HP-E(TR)
MMK-UP0051HP-E(TR)
MMK-UP0071HP-E(TR)
MMK-UP0091HP-E(TR)
MMK-UP0121HP-E(TR)
MMK-UP0151HP-E(TR)
MMK-UP0181HP-E(TR)
MMK-UP0241HP-E(TR)
MMK-UP0031HPL-E(TR)
MMK-UP0051HPL-E(TR)
MMK-UP0071HPL-E(TR)
MMK-UP0091HPL-E(TR)
MMK-UP0121HPL-E(TR)
MMK-UP0151HPL-E(TR)
MMK-UP0181HPL-E(TR)
MMK-UP0241HPL-E(TR)
FILE NO. SVM-20095
January, 2021

Table of Contents

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Toshiba MMD-UP0721HP-E Specifications

General IconGeneral
BrandToshiba
ModelMMD-UP0721HP-E
CategoryAir Conditioner
LanguageEnglish

Summary

Definition of Qualified Installer or Qualified Service Person

Safety Information Definitions

Definition of Protective Gear

Specifies the required protective gear for various work tasks during air conditioner servicing.

Explanation of Safety Indications and Marks

Provides explanations for danger, warning, caution indications and illustrated safety marks.

Warning Indications on the Air Conditioner Unit

PRECAUTIONS FOR SAFETY

Breaker Control and Electric Shock Prevention

Safety steps for turning off the breaker and avoiding electric shock during repairs.

Prohibited Actions and Work Safety Measures

Prohibited actions and safety measures for protection during installation, maintenance, and repair.

General Warnings and Safety Procedures

Protective Gear and Electrical Safety Guidelines

Mandatory protective gear for electrical work and general safety warnings.

Working at Heights and Handling Unit Parts Safety

Safety guidelines for working at heights and handling unit parts.

Safety: Modifications, Parts, Fire, and Refrigerant Handling

Maintenance and Repair Procedures

Assembly, Insulation, and Ventilation Checks

Procedures for assembly, insulation testing, ventilation, and repair checks.

Unit Operation and Reinstallation Checks

Guidelines for unit operation checks and post-reinstallation verification.

Operational Checks and Procedures

Cooling Checks and Installation Requirements

Procedures for cooling checks, installation steps, and user explanations.

Relocation Safety and General Explanations

Safety guidelines for relocation and general explanations for users.

Declaration of Conformity

1. SPECIFICATIONS

4-Way Cassette Type Specifications

Technical specifications for MMU-UP series 4-way cassette indoor units.

Ceiling Type Specifications

Technical specifications for MMC-UP series ceiling type indoor units.

Concealed Duct Standard Type Specifications

Technical specifications for MMD-UP series concealed duct standard type units.

Concealed Duct High Static Pressure Type Specifications

Technical specifications for MMD-UP series concealed duct high static pressure units.

Concealed Duct High Static Pressure Fresh Air Intake Type Specifications

Technical specifications for MMD-UP series fresh air intake high static pressure units.

Console Type Specifications

Technical specifications for MML-UP series console type indoor units.

High Wall Type Specifications

Technical specifications for MMK-UP series high wall type indoor units.

2. CONSTRUCTION VIEWS (EXTERNAL VIEWS)

4-Way Cassette Type Construction Views

External dimensions and construction details for 4-way cassette indoor units.

Ceiling Type Construction Views

External dimensions and construction details for ceiling type indoor units.

Concealed Duct Standard Type Construction Views

External dimensions and construction details for concealed duct standard type units.

Concealed Duct High Static Pressure Type Construction Views

External dimensions and construction details for high static pressure concealed duct units.

Concealed Duct High Static Pressure Fresh Air Intake Type Construction Views

External dimensions and construction details for fresh air intake high static pressure units.

Console Type Construction Views

External dimensions and construction details for console type indoor units.

High Wall Type Construction Views

External dimensions and construction details for high wall indoor units.

3. WIRING DIAGRAMS

4-Way Cassette Type Wiring Diagram

Wiring diagram for MMU-UP****HP-E(TR) 4-way cassette indoor units.

Ceiling Type Wiring Diagram

Wiring diagram for MMC-UP****HP-E(TR) ceiling type indoor units.

Concealed Duct Standard Type Wiring Diagram

Wiring diagram for MMD-UP****BHP-E(TR) concealed duct standard type units.

Concealed Duct High Static Pressure Type Wiring Diagram

Wiring diagram for MMD-UP****HP-E(TR) concealed duct high static pressure units.

Concealed Duct High Static Pressure Fresh Air Intake Type Wiring Diagram

Wiring diagram for MMD-UP****HFP-E(TR) concealed duct high static pressure fresh air intake units.

Console Type Wiring Diagram

Wiring diagram for MML-UP****NHP-E(TR) console type indoor units.

High Wall Type Wiring Diagram

Wiring diagram for MMK-UP****HP-E(TR) high wall type indoor units.

4. PARTS RATING

5. REFRIGERANT CYCLE DIAGRAM

6. CONTROL OUTLINE

Control Specifications and Operation Mode Selection

Details on power reset behavior and operation mode selection via remote controller.

Room Temperature and Capacity Control

Control specifications for room temperature and automatic capacity control.

Fan Speed Selection Logic

Fan speed selection logic based on temperature differences and operation modes.

Advanced Control Functions

Fan Speed Selection and Mode Switching Details

Tables for fan speed selection and mode change conditions during heating.

Freeze Prevention and Refrigerant Recovery Control

Procedures for freeze prevention and refrigerant recovery control.

Drain Pump and HA Control Operations

Operation details for drain pump control, heat elimination, and HA control.

Filter Sign Display and Central Control Mode

Functionality for filter sign display and selection of central control modes.

Louver Control and DC Motor Operation

Procedures for louver position setup, swing modes, and DC motor operation.

7. COMMUNICATION AND CONNECTABLE UNITS

Communication Types and Model Names

Details on TU2C-Link and TCC-Link communication types and associated model names.

Interoperability and Maximum Unit Connectivity

Wiring specifications and maximum connectable units for system combinations.

8. APPLIED CONTROL AND FUNCTIONS

Indoor Controller Block Diagrams (MCC-1643)

Circuit configuration for MCC-1643 controller with wired and wireless remote connections.

Indoor Controller Block Diagrams (MCC-1720)

Circuit configuration for MCC-1720 controller with wired and wireless remote connections.

Indoor Controller Block Diagrams (MCC-1696)

Circuit configuration for MCC-1696 controller with wired and wireless remote connections.

8-4. Indoor Print Circuit Board Details

MCC-1643 Print Circuit Board Components

Component layout and connector specifications for MCC-1643 indoor P.C. board.

MCC-1720 Print Circuit Board Components

Component layout and connector specifications for MCC-1720 indoor P.C. board.

MCC-1696 Print Circuit Board Components

Component layout and connector specifications for MCC-1696 indoor P.C. board.

8-5. Test Run of Indoor Unit

Indoor Unit Operation Check (Unit Side Functions)

8-6. Setting Indoor Unit Function DN Codes

DN Code Setting Procedure (RBC-AMT)

Step-by-step guide to set indoor unit functions using the RBC-AMT remote controller.

DN Code Setting Procedure (RBC-ASCU11-)

Step-by-step guide to set indoor unit functions using the RBC-ASCU11- remote controller.

Indoor Unit Function Code (DN Code) Table

Table listing DN codes, items, descriptions, and factory-set values for applied control.

8-7. Applied Control of Indoor Unit

Remote Location ON/OFF Control System Wiring

Wiring and settings for controlling the indoor unit via a remote ON/OFF control box.

Ventilating Fan Control via Remote Controller

Auto-Off Feature Control Setup

Setup Method: Wiring and DN Code Configuration

Wiring instructions and DN code configuration for the auto-off feature.

Notice Code Signal Functionality

Manual Address Setting Using Remote Controller

Line (System) Address Setting Procedure

Procedure to set the line (system) address for indoor and outdoor units.

Indoor Unit and Group Address Setting

Steps to set individual indoor unit and group addresses.

Managing Indoor Unit Addresses

Confirming Indoor Unit Addresses and Positions

Procedure to check indoor unit addresses and positions using the remote controller.

Changing Indoor Unit Addresses via Remote Controller

Methods to change individual or group indoor unit addresses using a wired remote controller.

Check Code Clearing Function

Clearing Outdoor Unit Check Codes

Procedure to clear outdoor unit check codes using the service monitoring function.

Clearing Indoor Unit Check Codes

Procedure to clear indoor unit check codes using the remote controller.

Wired Remote Controller Monitoring Function Guide

Guide to using the service monitoring function for checking unit status.

9. TROUBLESHOOTING

Troubleshooting Overview and Initial Checks

General overview of troubleshooting, required tools, and initial checks for normal behaviors.

Troubleshooting Method and Check Code Analysis

Methods for identifying troubles using check codes from various devices and their descriptions.

Diagnostic Procedures for Check Codes (Indoor & Outdoor)

Detailed diagnostic procedures for indoor and outdoor unit check codes.

Sensor Characteristics and Maintenance List

Characteristics of indoor sensors and a list of regular maintenance items.

10. P.C. BOARD EXCHANGE PROCEDURES

Indoor Unit P.C. Board Replacement and EEPROM Handling

Procedures for replacing indoor unit P.C. boards, including EEPROM data handling.

11. DETACHMENTS

4-Way Cassette Type Part Detachments

Procedures for detaching parts like suction grille and electric parts cover for 4-way cassette units.

Ceiling Type Part Detachments

Procedures for detaching parts like air intake grille and electric parts box cover for ceiling type units.

Concealed Duct Standard Type Part Detachments

Procedures for detaching parts like air filter and suction panel for concealed duct standard units.

Concealed Duct High Static Pressure Type Part Detachments

Procedures for detaching parts like electric parts box and control board for high static pressure units.

Console Type Part Detachments

Procedures for detaching parts like front panel and electric parts box assembly for console type units.

High Wall Type Part Detachments

Procedures for detaching parts like air inlet grille and air filters for high wall type units.

12. EXPLODED VIEWS AND PARTS LIST

4-Way Cassette Type Exploded Views

Exploded diagrams and parts list for MMU-UP series 4-way cassette indoor units.

Ceiling Type Exploded Views

Exploded diagrams and parts list for MMC-UP series ceiling type indoor units.

Concealed Duct Standard Type Exploded Views

Exploded diagrams and parts list for MMD-UP series concealed duct standard type units.

Concealed Duct High Static Pressure Type Exploded Views

Exploded diagrams and parts list for MMD-UP series concealed duct high static pressure units.

Concealed Duct High Static Pressure Fresh Air Intake Type Exploded Views

Exploded diagrams and parts list for MMD-UP series fresh air intake high static pressure units.

Console Type Exploded Views

Exploded diagrams and parts list for MML-UP series console type indoor units.

High Wall Type Exploded Views

Exploded diagrams and parts list for MMK-UP series high wall type indoor units.

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