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Toshiba RAV-SM2246AT8-E - User Manual

Toshiba RAV-SM2246AT8-E
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R410A
PRINTED IN JAPAN, Mar., 2017, TOMO
FILE No. A10-1701
SERVICE MANUAL
AIR-CONDITIONER
SPLIT TYPE
OUTDOOR UNIT
<DIGITAL INVERTER>
RAV-SM2246AT8-E RAV-SM2246AT8J-E
RAV-SM2806AT8-E RAV-SM2806AT8J-E
RAV-SM2246AT8-TR
RAV-SM2806AT8-TR

Table of Contents

Questions and Answers

  • I
    Ian DuarteAug 8, 2025
    Why can't I turn on/off my Toshiba RAV-SM2246AT8-E Air Conditioner with the remote?
    • S
      Shelly WilsonAug 9, 2025
      If you cannot turn your Toshiba Air Conditioner on or off with the remote, it may be due to control operations being performed from an external or remote source. Also, check if the automatic address is being set up or if a test run is being carried out by operation of the outdoor controller.
  • D
    Deborah WellsAug 17, 2025
    Why is the outdoor fan of my Toshiba Air Conditioner not rotating or air volume changes?
    • T
      Trevor SpencerAug 17, 2025
      If the outdoor fan of your Toshiba Air Conditioner isn't rotating or the air volume changes, it might be due to high-temperature release operation control working during heating, outside low-temperature operation control working during cooling, or the unit might be performing a defrost operation.
  • L
    Lori HodgeAug 29, 2025
    Why is the indoor fan of my Toshiba RAV-SM2246AT8-E not rotating?
    • P
      Peter SmithAug 29, 2025
      If the indoor fan of your Toshiba Air Conditioner isn't rotating, it may be due to cool air discharge preventive control working in heating operation.

Summary

Safety and General Information

Definition of Qualified Installer or Qualified Service Person

Defines the required qualifications and knowledge for personnel installing, maintaining, or repairing the air conditioner.

Precaution for Safety

Provides essential safety precautions for installation, maintenance, and repair work.

6. REFRIGERANT R410 A

6-1. Safety During Installation;Servicing

Provides safety precautions specific to R410A refrigerant during installation and servicing.

6-2. Refrigerant Piping Installation

Covers piping materials, joints, and processing procedures for refrigerant lines.

6-4. Recharging of Refrigerant

Details the procedure for recharging refrigerant into the system.

7. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS

7-1. Outdoor Unit Control (PC Boards)

Details the outdoor unit's control system, including circuit board diagrams.

8. TROUBLESHOOTING

8-2. Troubleshooting Procedures

Details procedures for diagnosing and resolving issues based on check codes and indicators.

9. SETUP AT LOCAL SITE AND OTHERS

10. ADDRESS SETUP

10-1. Address Setup Procedure

Details the procedure for setting up line, indoor unit, and group addresses.

11. REPLACEMENT OF THE SERVICE P.C. BOARD

11-1. Interface (CDB) P.C. Board (MCC-1675)

Details the replacement procedure for the Interface (CDB) P.C. Board.

11-2. Compressor IPDU P.C. Board (MCC-1698)

Details the replacement procedure for the Compressor IPDU P.C. Board.

12. HOW TO EXCHANGE COMPRESSOR

12-1. Exchanging Procedure (Outline)

Provides an outline of the compressor exchange procedure.

13. DETACHMENTS

Outdoor Unit Component Replacement

Provides procedures for replacing various components of the outdoor unit.

Toshiba RAV-SM2246AT8-E Specifications

General IconGeneral
TypeSplit System
SeriesDigital Inverter
Cooling Capacity (kW)22.4
Heating Capacity (kW)25.0
RefrigerantR410A
Noise Level (Indoor Unit)48 dB(A)
Power Supply50Hz

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