Toshiba RAV-HM301MUT-E - User Manual

FILE NO. A10-2202
PRINTED IN JAPAN, Apr., 2022 ToMo
SERVICE MANUAL
AIR-CONDITIONER (SPLIT TYPE)
INDOOR UNIT
<Compact 4-way Cassette type>
RAV-HM301MUT-E
RAV-HM401MUT-E
RAV-HM561MUT-E
RAV-HM561MUT-TR

Toshiba RAV-HM301MUT-E Specifications

General

Brand	Toshiba
Model	RAV-HM301MUT-E
Category	Air Conditioner
Language	English

Summary

Definition of Qualified Installer or Qualified Service Person

Definition of Protective Gear

Precaution for Safety

Declaration of Conformity

Specifications

Refrigerant R32

Pipe Materials

Tools

Construction Views (External Views)

RAV-HM301 MUT-E

External views and dimensions for RAV-HM301MUT-E indoor unit.

RAV-HM401 MUT-E, RAV-HM561 MUT-E(TR)

External views and dimensions for RAV-HM401MUT-E and RAV-HM561MUT-E(TR) indoor units.

Wiring Diagrams

Parts Rating

Systematic Refrigerating Cycle Diagram

Indoor Unit

Refrigerating cycle diagrams for single and twin types of indoor units.

Indoor Control Circuit

Indoor Controller Block Diagram

Block diagram of the indoor unit controller and its connections.

Control Specifications

Details on operation modes, temperature control, and fan speed selection.

Indoor Print Circuit Board

Identification of components on the indoor unit's main circuit board.

Optional Connector Specifications of Indoor P.C. Board

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

Troubleshooting

Summary of Troubleshooting

Overview of troubleshooting steps and required tools.

Troubleshooting

Procedures for diagnosing and resolving various operational issues.

Outline of Judgment

Method for judging trouble location using lamp indications and check codes.

Others (Other than Check Code)

Troubleshooting for issues not indicated by specific check codes.

Check Code List (Indoor)

List of indoor unit check codes, their meanings, and representative trouble positions.

Diagnostic Procedure for Each Check Code (Indoor Unit)

Flowcharts to diagnose specific indoor unit check codes.

Replacement of Service P.C. Board

Indoor Unit

Procedures for replacing the indoor unit's service P.C. board.

Setup at Local Site and Others

Indoor Unit

Setup procedures for the indoor unit at the installation site.

Test Run Setup on Remote Controller

How to perform a test run using the wired remote controller.

Forced Defrost Setup of Remote Controller

Procedure for setting up forced defrost using the wired remote controller.

LED Display on P.C. Board

Explanation of the LED indicators on the indoor unit's P.C. board.

Function Selection Setup

How to set various functions using the remote controller.

Wiring and Setting of Remote Controller Control

Wiring and setting procedures for controlling units with multiple remote controllers.

Monitor Function of Remote Controller Switch

How to use the monitor function to check sensor data and operation status.

Setup at Local Site; Others

Setup procedures for local site configurations and external devices.

1:1 Model Connection Interface (TCC-LINK adapter)

Setup and wiring for the 1:1 model connection interface.

How to Set up Central Control Address Number

Procedure to set the central control address number for indoor units.

Address Setup

Address Setup

Procedures for setting line, indoor unit, and group addresses.

Address Setup & Group Control

Details on addressing and group control configurations.

System Configuration

Overview of single, twin, triple, and double twin system configurations.

Automatic Address Example from Unset Address (No Miswiring)

Examples of automatic address setup for various configurations.

Address Setup (Manual Setting from Remote Controller)

Manual address setting procedures using the remote controller.

Maintenance; Check List

Detachments

Exploded Views and Parts List

RAV-HM301 MUT-E, HM401 MUT-E, HM561 MUT-E(TR)

Exploded views and parts list for specific indoor unit models.