Toshiba RAS-07EAH User Manual

SERVICE MANUAL
AIR-CONDITIONER
SPLIT WALL TYPE
FILE NO. A10-9508
PRINTED IN JAPAN, Dec., 1995 S
TOSHIBA
RAS-07EKH/RAS-07EAH
RAS-09EKH/RAS-09EAH

Toshiba RAS-07EAH Specifications

General

Type	Split System
Cooling Capacity	2.0 kW
Heating Capacity	2.5 kW
Power Supply	220-240V, 50Hz
Refrigerant	R410A

Summary

SPECIFICATIONS

CAUTION IN INSTALLATION

Indoor Unit Installation Precautions

Covers procedures and precautions for installing the indoor unit, including panel removal.

Refrigerant Piping Installation

WIRING DIAGRAM

REFRIGERANT CYCLE DIAGRAM

MICRO-COMPUTER BLOCK DIAGRAM

OPERATION DESCRIPTIONS

Remote Controller Functions

Key Operation Modes

Guides on Automatic, Cooling, Heating, Fan Only, Dry, and ECONO modes.

Timer and Airflow Adjustment

TROUBLESHOOTING CHART

Initial Troubleshooting Checks

Basic checks to perform before diagnosing specific faults, like power supply and connections.

Fault Diagnosis and Self-Diagnosis

Methods for primary fault judgment and interpreting self-diagnosis codes.

Remote Control and PC Board Checks

TROUBLESHOOTING FLOWCHARTS

Power cannot be Turned on (No Operation at All)

Troubleshooting flowchart for when the unit does not operate at all.

Relay RY07, RY08 do not Operate.

Only the Indoor Fan does not Operate.

Compressor does not operate. (Indoor fan also does not turn.)