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Toshiba RAS-3M18S3AV-E - User Manual

Toshiba RAS-3M18S3AV-E
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AIR CONDITIONER (MULTI-SPLIT TYPE)
Installation Manual
Outdoor Unit
Model name:
RAS-3M18S3AV-E
RAS-2M18S3AV-E
RAS-2M14S3AV-E
* NOTE:
Descriptions about operations for the 3 indoor units in
this manual are not applicable to RAS-2M18S3AV-E
and RAS-2M14S3AV-E.
English
Installation Manual
Outdoor Unit
1116691099_(01) EN.indd c11116691099_(01) EN.indd c1 9/22/15 5:59 PM9/22/15 5:59 PM

Questions and Answers

  • H
    hcastroSep 9, 2025
    What should I do if my Toshiba RAS-3M18S3AV-E Air Conditioner displays an outdoor air temperature sensor (TO) error?
    • D
      Deanna HartmanSep 9, 2025
      If the air conditioner displays an outdoor air temperature sensor (TO) error, check the outdoor air temperature sensor.
  • K
    Kathryn CrossAug 23, 2025
    What to do if my Toshiba Air Conditioner has a high pressure switch error?
    • T
      tgoodAug 23, 2025
      If there's a high pressure switch error, you should inspect the high pressure switch and related circuits. Another suggested solution is to reset the high pressure switch.
  • J
    Jasmine AlexanderAug 25, 2025
    What to do if my Toshiba RAS-3M18S3AV-E compressor is locked?
    • E
      erictownsendAug 25, 2025
      If the compressor is locked, the suggested solution is to reset the compressor.
  • H
    hensleychristineAug 27, 2025
    What to do if there is a fan system error in my Toshiba RAS-3M18S3AV-E Air Conditioner?
    • D
      Debbie AllenAug 27, 2025
      If you encounter a fan system error, check the fan operation and wiring.
  • N
    Nicholas GarciaAug 27, 2025
    What to do if my Toshiba RAS-3M18S3AV-E Air Conditioner shows a compressor system error?
    • L
      Larry FriedmanAug 27, 2025
      If there is a compressor system error, check the compressor connections and functionality.
  • G
    Gregg AustinAug 29, 2025
    How to troubleshoot a miswiring error in my Toshiba RAS-3M18S3AV-E?
    • J
      Jackie SmithAug 29, 2025
      To address a miswiring (mispiping) check error, inspect the wiring and piping for any errors.
  • R
    Robert DanielsSep 17, 2025
    What should I do if my Toshiba Air Conditioner displays a gas pipe (unit C) temperature sensor (TGc) error?
    • T
      Thomas FernandezSep 18, 2025
      If the air conditioner displays a gas pipe (unit C) temperature sensor (TGc) error, inspect the gas pipe temperature sensor (TGc).
  • U
    uhoganSep 22, 2025
    What should I do if my Toshiba RAS-3M18S3AV-E displays a discharge temperature sensor (TD) error?
    • D
      David SmithSep 22, 2025
      If the air conditioner displays a discharge temperature sensor (TD) error, replace or recalibrate the discharge temperature sensor.
  • A
    Amanda AllenSep 7, 2025
    What to do if my Toshiba Air Conditioner shows a current detection circuit error?
    • D
      David BakerSep 7, 2025
      If a current detection circuit error occurs, check the current detection circuit and sensors.
  • C
    Charles RiveraSep 4, 2025
    What to do if my Toshiba Air Conditioner has a compressor case thermostat error?
    • A
      adamvincentSep 4, 2025
      If you are experiencing a compressor case thermostat error, check the thermostat and wiring connections.

Summary

Outdoor Unit Installation Manual

Safety Precautions and Warnings

General Safety Guidelines

Covers DANGER, WARNING, CAUTION symbols and definitions.

Refrigerant Handling and Installation Safety

Details safety for R410A refrigerant, installation, and potential hazards.

Electrical and Installation Safety

Focuses on electrical work, wiring, grounding, and general installation safety.

Refrigerant Piping

Piping Connection and Flaring

Explains how to cut, flare, and connect refrigerant pipes.

Air Purge and Leak Testing

Details vacuum pump procedures and gas leak inspection.

Refrigerant Handling and Labeling

Covers R410A properties, labels, and safe handling.

Gas Leak Inspection and Pipe Insulation

Details gas leak checks and refrigerant pipe insulation.

Electrical Work

Grounding Procedures

Test Run and Operation Checks

Pump-down Operation

Troubleshooting and Fault Diagnosis

Toshiba RAS-3M18S3AV-E Specifications

General IconGeneral
Power Supply220-240V, 50Hz
RefrigerantR32
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
TypeMulti Split System

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