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Toshiba MMU-AP0244SH-E User Manual

Toshiba MMU-AP0244SH-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-AP0244SH-E

Questions and Answers:

Toshiba MMU-AP0244SH-E Specifications

General IconGeneral
BrandToshiba
ModelMMU-AP0244SH-E
CategoryAir Conditioner
LanguageEnglish

Summary

Precautions for Safety

General Safety Warnings and Practices

Covers DANGER, WARNING, CAUTION, electrical safety, protective gear, work practices, and refrigerant handling.

Operational Safety and Installation Precautions

Details safety measures for operation, maintenance, installation, and relocation.

Specifications

Indoor Unit Specifications

Lists sound power levels and weights for various indoor unit models.

Wiring Diagrams

Compact 4-way cassette type Wiring

Provides the wiring diagram for the Compact 4-way cassette indoor unit.

1-way cassette type Wiring

Covers wiring diagrams for both compact YH and SH types of 1-way cassette units.

Parts Rating

Indoor Unit Parts List

Lists components and part numbers for Compact 4-way, 1-way cassette, Concealed Duct, and Slim Duct indoor units.

Floor Standing Unit Parts List

Details components for Ceiling, Floor Standing Cabinet, Concealed, and Floor Standing units.

Refrigerant Cycle Diagram

Indoor Unit Refrigerant Flow

Illustrates the refrigerant cycle and functional parts within the indoor unit.

Control Outline

Indoor Unit Control Functions

Details system operations, fan speed control, special recovery cycles, and standby modes.

Applied Control and Functions

Indoor Controller Block Diagrams

Shows block diagrams for main/wireless remote and combined controller connections.

P.C. Board Specifications and Settings

Covers optional connector specs, DN code settings, and P.C. board details.

Troubleshooting

Troubleshooting Overview and Procedures

Guides users on initial checks, tools, and troubleshooting steps for common issues.

Error Code Identification

Lists check codes for indoor, outdoor, and central control devices with fault descriptions.

Sensor Characteristics

Provides resistance vs. temperature data for indoor unit sensors (TA, TC1, TC2, TCJ).

P.C. Board Exchange Procedures

Indoor P.C. Board Replacement Steps

Details procedures for replacing P.C. boards, EEPROM data reading, and writing.

Detachments

1-way cassette (SH) Component Removal

Details the procedure for removing and attaching the air intake grille and other parts.

Compact 4-way cassette Component Removal

Explains how to detach and attach the air intake grille and electric parts cover.

Slim duct Component Removal

Covers the removal and attachment of air filters and plate inlets for slim duct units.

Exploded Diagram / Service Parts List

1-way cassette type (YH) Exploded Diagram and Parts

Shows exploded views and lists parts for YH type indoor units.

1-Way cassette type (SH) Exploded Diagram and Parts

Provides exploded views and parts lists for SH type indoor units.

Compact 4-way cassette type Exploded Diagram and Parts

Displays exploded diagrams and parts lists for compact 4-way cassette indoor units.

Warnings on Refrigerant Leakage

Check of Concentration Limit

Details refrigerant concentration limits, room volume standards, and minimum floor area requirements.

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