Toshiba MML-UP0091NHP-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

PRECAUTIONS FOR SAFETY

1. SPECIFICATIONS

1-1. 4-way cassette type

Technical specifications for 4-way cassette type indoor units, including capacity, dimensions, and electrical characteristics.

1-2. Ceiling type

Technical specifications for ceiling type indoor units, including capacity, dimensions, and electrical characteristics.

1-3. Concealed Duct Standard type

Technical specifications for concealed duct standard type indoor units, including capacity, dimensions, and electrical characteristics.

1-4. Concealed Duct High Static Pressure type

Technical specifications for concealed duct high static pressure type indoor units, including capacity, dimensions, and electrical characteristics.

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

Technical specifications for concealed duct high static pressure fresh air intake type indoor units, including capacity, dimensions, and electrical characteristics.

1-6. Console type

Technical specifications for console type indoor units, including capacity, dimensions, and electrical characteristics.

1-7. High wall type

Technical specifications for high wall type indoor units, including capacity, dimensions, and electrical characteristics.

3. WIRING DIAGRAMS

3-1. 4-way cassette type

Wiring diagram for 4-way cassette type indoor units, illustrating electrical connections and component layout.

3-2. Ceiling type

Wiring diagram for ceiling type indoor units, illustrating electrical connections and component layout.

3-3. Concealed Duct Standard type

Wiring diagram for concealed duct standard type indoor units, illustrating electrical connections and component layout.

3-4. Concealed Duct High Static Pressure type

Wiring diagram for concealed duct high static pressure type indoor units, illustrating electrical connections and component layout.

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

Wiring diagram for concealed duct high static pressure fresh air intake type indoor units, illustrating electrical connections and component layout.

3-6. Console type

3-7. High wall type

5. REFRIGERANT CYCLE DIAGRAM

Indoor unit

6. CONTROL OUTLINE

Control Specifications

8. APPLIED CONTROL AND FUNCTIONS (INCLUDING CIRCUIT CONFIGURATION)

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

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

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

8-4. Indoor Print Circuit Board

8-5. Test run of indoor unit

8-6. Method to set indoor unit function DN code

8-7. Applied control of indoor unit

9. TROUBLESHOOTING

9-1. Overview

9-2. Troubleshooting method

Method for identifying trouble sites using check codes displayed on remote controllers, outdoor units, and indicator lights.

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

Procedures for troubleshooting based on check codes and trouble history displayed 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

Detailed list of check codes, their locations, descriptions, system status, detection conditions, and check items.

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

Step-by-step diagnostic procedures for various check codes detected on indoor units.

9-7. Maintenance list

10. P.C. BOARD EXCHANGE PROCEDURES

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

Toshiba MML-UP0091NHP-E Specifications