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Toshiba MMU-AP0184MH-E - User Manual

Toshiba MMU-AP0184MH-E
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AIR CONDITIONER (MULTI TYPE)
SERVICE MANUAL
FILE No. A10-033-1
This service manual provides relevant explanations about new indoor unit (4 series). Please refer to
the following service manuals for each indoor units.
Indoor unit
<1-way Cassette Type (YH, SH)>
MMU-AP0074YH-E(-TR)
MMU-AP0094YH-E(-TR)
MMU-AP0124YH-E(-TR)
MMU-AP0154SH-E(-TR)
MMU-AP0184SH-E(-TR)
MMU-AP0244SH-E(-TR)
<Concealed Du ct Hig h Static
Pressu re Type>
MMD-AP0184H-E(-TR)
MMD-AP0244H-E(-TR)
MMD-AP0274H-E(-TR)
MMD-AP0364H-E(-TR)
MMD-AP0484H-E(-TR)
MMD-AP0724H-E(-TR)
MMD-AP0964H-E(-TR)
<Floor Standing Concealed Type>
MML-AP0074BH-E(-TR)
MML-AP0094BH-E(-TR)
MML-AP0124BH-E(-TR)
MML-AP0154BH-E(-TR)
MML-AP0184BH-E(-TR)
MML-AP0244BH-E(-TR)
<Comp act 4-way Cas sette Ty pe>
MMU-AP0074MH-E(-TR)
MMU-AP0094MH-E(-TR)
MMU-AP0124MH-E(-TR)
MMU-AP0154MH-E(-TR)
MMU-AP0184MH-E(-TR)
<Ceiling Type>
MMC-AP0154H-E(-TR)
MMC-AP0184H-E(-TR)
MMC-AP0244H-E(-TR)
MMC-AP0274H-E(-TR)
MMC-AP0364H-E(-TR)
MMC-AP0484H-E(-TR)
<Floor Standing Cabinet Type>
MML-AP0074H-E(-TR)
MML-AP0094H-E(-TR)
MML-AP0124H-E(-TR)
MML-AP0154H-E(-TR)
MML-AP0184H-E(-TR)
MML-AP0244H-E(-TR)
<Slim Du ct Type>
MMD-AP0074SPH-E(-TR)
MMD-AP0094SPH-E(-TR)
MMD-AP0124SPH-E(-TR)
MMD-AP0154SPH-E(-TR)
MMD-AP0184SPH-E(-TR)
<Floor Stan ding Type>
MMF-AP0154H-E(-TR)
MMF-AP0184H-E(-TR)
MMF-AP0244H-E(-TR)
MMF-AP0274H-E(-TR)
MMF-AP0364H-E(-TR)
MMF-AP0484H-E(-TR)
MMF-AP0564H-E(-TR)
<Concealed Duct Standard Type>
MMD-AP0074BH-E(-TR),
MMD-AP0124BH-E(-TR),
MMD-AP0154BH-E(-TR),
MMD-AP0184BH-E(-TR),
MMD-AP0274BH-E(-TR),
MMD-AP0364BH-E(-TR),
MMD-AP0564BH-E(-TR)
PRINTED IN JAPAN,
Jul, 2012, ToMo
Indoor unit
Model name:
4-way Cassette Type (MMU-AP
∗∗∗
∗∗∗
∗∗∗
∗∗∗
∗∗∗
2H) A08-004
2-way Cassette Type (2 series) (MMU-AP 2WH) A10-007
Fresh Air Intake Indoor Unit Type (MMD-AP 1HFE) A06-016
High-wall Type (2 series) (MMK-AP 2H) SVM-05052-1
High-wall Type (3 series) (MMK-AP 3H) SVM-09059
Other indoor units (1 series) A03-009, A03-010, A05-006, A05-007, A06-002
MMD-AP0094BH-E(-TR),
MMD-AP0244BH-E(-TR),
MMD-AP0304BH-E(-TR),
MMD-AP0484BH-E(-TR),
REVISION 1 : Mar.2012
Re-edit version.( file volume down)
Contents have NOT been changed.

Table of Contents

Other manuals for Toshiba MMU-AP0184MH-E

Preview: Installation Manual
Installation Manual70 pages

Questions and Answers

  • A
    Andre GrossAug 9, 2025
    Why won't the compressor start on my Toshiba Air Conditioner?
    • P
      Pamela HensleyAug 9, 2025
      If the compressor of your Toshiba Air Conditioner won't start, consider these possibilities: * It might be within the 3-minute delay period after a compressor shutdown. * The air conditioner might have thermo OFF. * It could be operating in fan mode or set on a timer. * The system might be undergoing initial communication.
  • J
    jackiehenryAug 16, 2025
    Why won't the indoor fan stop on my Toshiba Air Conditioner?
    • L
      lhollandAug 16, 2025
      If the indoor fan of your Toshiba Air Conditioner won't stop, it might be performing the elimination of residual heat as part of the air conditioner shutdown process after heating operation.
  • S
    Shawn SparksAug 23, 2025
    Why won't the indoor fan start on my Toshiba MMU-AP0184MH-E?
    • T
      Timothy NortonAug 23, 2025
      If the indoor fan of your Toshiba Air Conditioner won't start, it could be due to cold air discharge prevention control, which is a part of the heating process.
  • D
    Dakota GrantAug 31, 2025
    Why does the outdoor fan on my Toshiba MMU-AP0184MH-E Air Conditioner not start or change speed?
    • D
      Dylan SmithAug 31, 2025
      If the outdoor fan of your Toshiba Air Conditioner doesn't start or changes speed unexpectedly, it might be due to cooling operation under low outside temperature conditions or during a defrosting operation.

Summary

Wiring Diagrams

1-1. Compact 4-way cassette type

Wiring diagram for compact 4-way cassette indoor units.

1-2. 1-way cassette type (compact type YH)

Wiring diagram for 1-way cassette (YH) indoor units.

1-3. 1-way cassette type (SH)

Wiring diagram for 1-way cassette (SH) indoor units.

1-4. Concealed duct standard type

Wiring diagram for concealed duct standard indoor units.

1-5. Concealed duct high static pressure type

Wiring diagram for concealed duct high static pressure indoor units.

1-6. Slim duct type

Wiring diagram for slim duct indoor units.

1-7. Ceiling type

Wiring diagram for ceiling type indoor units.

1-8. Floor standing cabinet type

Wiring diagram for floor standing cabinet indoor units.

1-9. Floor standing concealed type

Wiring diagram for floor standing concealed indoor units.

1-10. Floor standing type

Wiring diagram for floor standing indoor units.

Parts Rating

2-1. Indoor unit

Parts rating for indoor units, covering various types.

Control Outline

Indoor unit

Control specifications and operational outlines for indoor units.

Applied Control and Functions (Including Circuit Configuration)

5-1. Indoor controller block diagram

Block diagrams illustrating indoor controller configurations with remote controllers.

5-2. Indoor printed circuit board

Detailed diagrams of indoor unit printed circuit boards (MCC-1402, MCC-1403).

5-3. Optional connector specifications of indoor P.C. board

Specifications for optional connectors on indoor unit P.C. boards.

5-4. Test operation of indoor unit

Procedure for checking indoor unit operation independently of external controls.

5-5. Method to set indoor unit function DN code

Steps to set indoor unit functions using DN codes via a wired remote controller.

5-6. Applied control of indoor unit

Details on applied control systems using remote controller interfaces (TCB-IFCB4E2).

Troubleshooting

6-1. Overview

General information, required tools, and common behaviors for troubleshooting.

6-2. Troubleshooting method

Procedure for identifying faults using check codes displayed on controllers and interface boards.

6-3. Troubleshooting based on information displayed on remote controller

Method for troubleshooting using main remote controller (RBC-AMT32E) displays and error history.

6-4. Check codes displayed on remote controller and SMMS outdoor unit (7-segment display on I;F board) and locations to be checked

Detailed fault codes and corresponding check items for remote controllers and outdoor units.

6-5. Sensor characteristics

Temperature sensor characteristics (TA, TC1, TC2, TCJ) with resistance values.

P.C. Board Exchange Procedures

7-1. Replacement of indoor P.C. boards

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

Detachments

8-1. 1-way cassette (SH)

Procedures for detaching parts like air intake grille, electrical parts cover, ceiling panel, and control P.C. board.

8-2. Compact 4-way cassette

Procedures for detaching parts like air intake grille, electric parts cover, and adjust corner cover.

8-3. Slim duct

Procedures for detaching air filter and plate inlets from slim duct units.

8-4. Concealed duct standard

Procedures for detaching electrical control box and sirocco fan assembly.

8-5. Concealed duct high static pressure

Procedures for replacing the fan motor.

8-6. Ceiling

Procedures for detaching intake grille and electrical control cover.

8-7. Floor standing

Procedures for removing electrical component assembly, heat exchanger, and fan assembly.

8-8. Floor standing cabinet

Procedures for removing the electrical control assembly and heat exchanger.

Exploded Diagram; Service Parts List

9-1. 1-way cassette type (YH)

Exploded views and parts lists for 1-way cassette (YH) models.

9-2. 1-Way cassette type (SH)

Exploded views and parts lists for 1-way cassette (SH) models.

9-3. Compact 4-way cassette type

Exploded views and parts lists for compact 4-way cassette models.

9-4. Slim duct type

Exploded views and parts lists for slim duct models.

9-5. Concealed duct standard type

Exploded views and parts lists for concealed duct standard models.

9-6. Concealed duct high static pressure type

Exploded views and parts lists for concealed duct high static pressure models.

9-7. Ceiling type

Exploded views and parts lists for ceiling type models.

9-8. Floor standing type

Exploded views and parts lists for floor standing models.

9-9. Floor standing concealed type

Exploded views and parts lists for floor standing concealed models.

9-10. Floor standing cabinet type

Exploded views and parts lists for floor standing cabinet models.

Toshiba MMU-AP0184MH-E Specifications

General IconGeneral
BrandToshiba
ModelMMU-AP0184MH-E
CategoryAir Conditioner
LanguageEnglish

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