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Toshiba MM-A0280HT User Manual

Toshiba MM-A0280HT
135 pages
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Service Manual
Air Conditioner – Multi Split Type System
Modular Multi System
HFCR407C
A90-0130
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Toshiba MM-A0280HT Specifications

General IconGeneral
TypeSplit System
Cooling Capacity2.8 kW
Heating Capacity3.2 kW
Power Supply220-240V, 50Hz
RefrigerantR410A

Summary

Introduction

Precautions

Important safety notes and cautions to be observed before installing and operating the unit.

Components and Specifications

Outdoor Unit Specifications

Details on model names, capacities, and connectable indoor units for outdoor units.

Parts Specifications

Construction Views

Wiring Diagrams

Refrigerant Piping and Cycle

Systematic Piping Drawings

Shows systematic refrigerant piping diagrams for various outdoor unit models.

Combined Piping Diagrams

Illustrates combined refrigerant piping diagrams for normal and emergency operations.

Refrigeration Cycle Schematic

Presents the refrigeration cycle schematic for indoor units.

Outline of Control

Outdoor Unit Control Logic

Explains the control logic and operation for outdoor units.

Self-Diagnostic Information

Outdoor Unit Diagnostics

Information on self-diagnostic display codes for outdoor units.

Control Circuit Configuration

Troubleshooting and Error Codes

Self-Diagnostic Function

Explains the self-diagnostic function and error codes for system troubleshooting.

Diagnostic Procedures for Check Codes

Detailed step-by-step procedures for diagnosing and resolving various check codes.

Backup and Emergency Operations

Functional Parts Description

Forced Functions

Refrigerant Pipe Installation

Trial Operation

Exploded Views and Service Parts

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