Toshiba MMC-UP0481HP-E - User Manual

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

Summary

Definition of Qualified Installer or Qualified Service Person

Qualifications and knowledge which the agent must have

Defines qualifications and knowledge required for installation and service personnel.

Definition of Protective Gear

Protective gear worn for various work undertaken

Lists specific protective gear required for different tasks like electrical work or work at heights.

Warning Indications on the Air Conditioner Unit

Confirmation of warning label on the main unit

Explains the various warning labels on the air conditioner unit and their descriptions.

PRECAUTIONS FOR SAFETY

DANGER

Lists critical safety warnings regarding electrical hazards and improper handling.

Prohibition

Details prohibited actions to prevent electric shocks and other hazards.

Stay on protection

Emphasizes protective measures and correct procedures during operation and checks.

SPECIFICATIONS

1-1. 4-way cassette type

Provides detailed technical specifications for 4-way cassette indoor units.

1-2. Ceiling type

Lists technical specifications for ceiling type indoor units.

1-3. Concealed Duct Standard type

Presents technical specifications for concealed duct standard type indoor units.

1-4. Concealed Duct High Static Pressure type

Details technical specifications for concealed duct high static pressure indoor units.

1-5. Concealed Duct High Static Pressure fresh air intake type

Outlines technical specifications for concealed duct high static pressure fresh air intake units.

1-6. Console type

Provides technical specifications for console type indoor units.

1-7. High wall type

Lists technical specifications for high wall type indoor units.

CONSTRUCTION VIEWS (EXTERNAL VIEWS)

2-1. 4-way cassette type

Shows external dimensions and installation details for 4-way cassette units.

2-2. Ceiling type

Illustrates external dimensions and installation for ceiling type units.

2-3. Concealed Duct Standard type

Provides external dimensions and installation for concealed duct standard units.

2-4. Concealed Duct High Static Pressure type

Details external dimensions and installation for high static pressure concealed duct units.

2-5. Concealed Duct High Static Pressure fresh air intake type

Shows external dimensions and installation for concealed duct high static pressure fresh air intake units.

2-6. Console type

Illustrates external dimensions and installation for console type units.

2-7. High wall type

Provides external dimensions and installation for high wall type units.

WIRING DIAGRAMS

3-1. 4-way cassette type

Presents wiring diagram for 4-way cassette type indoor units.

3-2. Ceiling type

Details wiring diagram for ceiling type indoor units.

3-3. Concealed Duct Standard type

Shows wiring diagram for concealed duct standard type indoor units.

3-4. Concealed Duct High Static Pressure type

Illustrates wiring diagram for concealed duct high static pressure type units.

3-5. Concealed Duct High Static Pressure fresh air intake type

Provides wiring diagram for concealed duct high static pressure fresh air intake units.

3-6. Console type

Details wiring diagram for console type indoor units.

3-7. High wall type

Presents wiring diagram for high wall type indoor units.

PARTS RATING

REFRIGERANT CYCLE DIAGRAM

CONTROL OUTLINE

Control Specifications

Outlines general control specifications and functions for the air conditioning system.

Operation mode selection

Explains how to select and operate different modes like COOL, DRY, HEAT, AUTO.

Room temp. control

Details temperature control settings and ranges for wired and wireless controllers.

Automatic capacity control

Describes how the system determines operating capacity based on temperature differences.

Automatic cooling;heating control

Explains the judgment criteria for switching between cooling and heating operations.

Fan speed selection

Details fan speed selection methods and AUTO mode operation based on temperature.

APPLIED CONTROL AND FUNCTIONS (INCLUDING CIRCUIT CONFIGURATION)

8-1. Indoor controller block diagram (MCC-1643)

Provides a block diagram for the MCC-1643 indoor controller and its connections.

8-2. Indoor controller block diagram (MCC-1720)

Illustrates the block diagram for the MCC-1720 indoor controller and its wiring.

8-3. Indoor controller block diagram (MCC-1696)

Shows the block diagram for the MCC-1696 indoor controller and its connectivity.

8-4. Indoor Print Circuit Board

Details the layout and components of the indoor unit's print circuit boards.

Test run of indoor unit

Check function for operation of indoor unit

Method to set indoor unit function DN code

Applied control of indoor unit

Ventilating fan control from remote controller

Auto-off feature control

Notice code signal

Manual address setting using the remote controller

Confirming the indoor unit addresses and the position of an indoor unit using the remote controller

Changing the indoor unit address using a remote controller

Monitoring function of wired remote controller

Indoor service monitor list

TROUBLESHOOTING

9-1. Overview

Provides a general overview of troubleshooting, applicable models, and required tools.

9-2. Troubleshooting method

Details how to identify trouble sites using check codes displayed on various devices.

9-3. Troubleshooting based on information displayed on remote controller

Explains how to troubleshoot based on check codes and trouble history shown on the remote controller.

9-4. Check Codes Displayed on Remote Controller and SMMS series Outdoor Unit (7-Segment Display on I;F Board) and Locations to Be Checked

Lists check codes from remote controllers and outdoor units, along with detection conditions and check items.

9-5. Diagnostic Procedure for Each Check Code (Indoor Unit)

Provides diagnostic flowcharts for various indoor unit check codes.

9-6. Sensor characteristics

Displays resistance characteristics of indoor unit sensors (TA, TC1, TC2, TCJ) at different temperatures.

9-7. Maintenance list

Outlines recommended maintenance procedures for indoor and outdoor units.

P.C. BOARD EXCHANGE PROCEDURES

10-1. Replacement of indoor P.C. boards

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

DETACHMENTS

11-1. 4-way cassette type

Details detachment and attachment procedures for parts of 4-way cassette units.

11-2. Ceiling type

Explains detachment and attachment procedures for ceiling type units.

11-3. Concealed Duct Standard type

Provides detachment and attachment procedures for concealed duct standard type units.

11-4. Concealed Duct High Static Pressure fresh air intake type

Details detachment and attachment procedures for high static pressure fresh air intake units.

11-5. Console type

Outlines detachment and attachment procedures for console type units.

11-6. High wall type

Explains detachment and attachment procedures for high wall type units.

EXPLODED VIEWS AND PARTS LIST

12-1. 4-way cassette type

Shows exploded views and parts list for 4-way cassette type units.

12-2. Ceiling type

Provides exploded views and parts list for ceiling type units.

12-3. Concealed Duct Standard type

Illustrates exploded views and parts list for concealed duct standard type units.

12-4. Concealed Duct High Static Pressure type

Details exploded views and parts list for concealed duct high static pressure type units.

12-5. Concealed Duct High Static Pressure fresh air intake type

Shows exploded views and parts list for concealed duct high static pressure fresh air intake units.

12-6. Console type

Provides exploded views and parts list for console type units.

12-7. High wall type

Lists exploded views and parts for high wall type units.

Toshiba MMC-UP0481HP-E Specifications