Toshiba MMD-AP0484BH-E User Manual

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.

Toshiba MMD-AP0484BH-E Specifications

General

Brand	Toshiba
Model	MMD-AP0484BH-E
Category	Air Conditioner
Language	English

Summary

Wiring Diagrams

Compact 4-way cassette type

Wiring diagram for compact 4-way cassette indoor units.

1-way cassette type (compact type YH)

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

1-way cassette type (SH)

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

Concealed duct standard type

Wiring diagram for concealed duct standard type indoor units.

Concealed duct high static pressure type

Wiring diagram for concealed duct high static pressure type indoor units.

Slim duct type

Wiring diagram for slim duct type indoor units.

Ceiling type

Wiring diagram for ceiling type indoor units.

Floor standing cabinet type

Wiring diagram for floor standing cabinet type indoor units.

Floor standing concealed type

Wiring diagram for floor standing concealed type indoor units.

Floor standing type

Wiring diagram for floor standing type indoor units.

Parts Rating

Indoor unit

Detailed parts rating and specifications for various indoor unit types.

Refrigerant Cycle Diagram

Control Outline

Control specifications

Outlines operational controls and specifications for indoor units.

Applied Control and Functions (Including Circuit Configuration)

Indoor controller block diagram

Block diagram illustrating the indoor unit controller and its connections.

Indoor printed circuit board

Detailed diagram and identification of components on the indoor P.C. board.

Optional connector specifications of indoor P.C. board

Specifications for optional connectors on the indoor P.C. board.

Test operation of indoor unit

Procedure for performing an indoor unit test operation without external communication.

Method to set indoor unit function DN code

Step-by-step guide to set indoor unit functions using DN codes via remote controller.

Applied control of indoor unit

Details on control systems using remote controller interfaces and wiring.

Troubleshooting

Overview

General guide to troubleshooting procedures, required tools, and common issues.

Troubleshooting method

Lists check codes detected by devices and their typical fault sites.

Troubleshooting based on information displayed on remote controller

How to interpret error codes and access error history from remote controllers.

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

Comprehensive list of check codes and troubleshooting steps for remote and outdoor units.

Sensor characteristics

Provides temperature vs. resistance characteristics for indoor unit sensors.

P.C. Board Exchange Procedures

Replacement of indoor P.C. boards

Step-by-step instructions for replacing indoor P.C. boards and handling EEPROM data.

Detachments

1-way cassette (SH)

Procedures for detaching and attaching parts for 1-way cassette (SH) indoor units.

Compact 4-way cassette

Procedures for detaching and attaching parts for compact 4-way cassette indoor units.

Slim duct

Procedures for detaching and attaching parts for slim duct indoor units.

Concealed duct standard

Procedures for detaching and attaching parts for concealed duct standard indoor units.

Concealed duct high static pressure

Procedures for detaching and attaching parts for concealed duct high static pressure units.

Ceiling

Procedures for detaching and attaching parts for ceiling type indoor units.

Floor standing

Procedures for detaching and attaching parts for floor standing indoor units.

Floor standing cabinet

Procedures for detaching and attaching parts for floor standing cabinet indoor units.

Exploded Diagram / Service Parts List

1-way cassette type (YH)

Exploded view and parts list for 1-way cassette (YH) indoor units.

1-Way cassette type (SH)

Exploded view and parts list for 1-way cassette (SH) indoor units.

Compact 4-way cassette type

Exploded view and parts list for compact 4-way cassette indoor units.

Slim duct type

Exploded view and parts list for slim duct indoor units.

Concealed duct standard type

Exploded view and parts list for concealed duct standard indoor units.

Concealed duct high static pressure type

Exploded view and parts list for concealed duct high static pressure indoor units.

Ceiling type

Exploded view and parts list for ceiling type indoor units.

Floor standing type

Exploded view and parts list for floor standing indoor units.

Floor standing concealed type

Exploded view and parts list for floor standing concealed indoor units.

Floor standing cabinet type

Exploded view and parts list for floor standing cabinet indoor units.

WARNINGS ON REFRIGERANT LEAKAGE

Check of Concentration Limit

Discusses refrigerant concentration limits and installation requirements for safety.