Table of Contents
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SERVICE MANUAL
AIR-CONDITIONER
OUTDOOR UNIT
<SUPER DIGITAL INVERTER>
RAV-GP1101AT8-E
RAV-GP1101AT8J-E
RAV-GP1401AT8-E
RAV-GP1401AT8J-E
RAV-GP1601AT8-E
RAV-GP1601AT8J-E
Revision 1: Sep., 2019
Revision 2: Oct., 2019
SPLIT TYPE
RAV-GP1101AT8-TR
RAV-GP1101AT8J-TR
RAV-GP1401AT8-TR
RAV-GP1401AT8J-TR
RAV-GP1601AT8-TR
RAV-GP1601AT8J-TR
PRINTED IN JAPAN, Mar., 2019, TOMO
FILE No. A10-1902
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Table of Contents
Related Manuals for Toshiba RAV-GP1401AT8-E
Summarization of Contents
SERVICE MANUAL AIR-CONDITIONER SPLIT TYPE
OUTDOOR UNIT
Section detailing outdoor unit specifications and components.
Precaution for Safety
DANGER and WARNING Safety Precautions
Critical safety warnings and precautions to avoid severe hazards and risks.
Refrigerant R32 Safety and Handling
Safety Cautions for R32 Installation/Servicing
Specific safety guidelines for handling R32 refrigerant during installation and service.
Refrigerant Piping Installation
Pipe Materials
Specifications and requirements for copper piping used with R32 refrigerant.
Processing of Piping Materials
Instructions on cutting and preparing piping materials for installation.
Tools
Required Installation and Service Tools
List of essential tools required for installation and servicing procedures.
SPECIFICATIONS
1-1. Outdoor Unit Specifications
Detailed technical specifications for the outdoor unit models.
1-2. Operation Characteristic Curve
Graphical representation of unit performance based on operating conditions.
CONSTRUCTION VIEWS (EXTERNAL VIEWS)
2-1. Outdoor Unit Views
External views and dimensional details of the outdoor unit.
OUTDOOR UNIT REFRIGERATING CYCLE DIAGRAM
Pressure and Temperature Data
Table showing operating pressures and temperatures for different models and modes.
WIRING DIAGRAM
4-1. Outdoor Unit Wiring
Electrical wiring schematic for the outdoor unit components.
SPECIFICATIONS OF ELECTRICAL PARTS
5-1. Outdoor Unit Electrical Parts
List of electrical components with their types and specifications.
REFRIGERANT R32 System Operations
6-1. Safety During Installation/Servicing
Crucial safety precautions for installing and servicing R32 refrigerant systems.
Refrigerant Piping Installation
Guidelines and procedures for installing refrigerant piping systems.
Recharging of Refrigerant
Step-by-step guide for safely recharging refrigerant into the system.
Brazing of Pipes
Procedures and materials required for brazing refrigerant pipes.
Brazing Method
Detailed method for brazing pipes while preventing oxidation.
Instructions for Re-use Piping of R22 or R407C
Guidelines for reusing existing R22/R407C piping with R32 systems.
Final Installation Checks for Piping
Essential checks to perform after final installation of the piping.
Handling and Recovering Existing Pipes
Procedures for handling and safely recovering refrigerant from existing pipes.
Charging Additional Refrigerant
Precautions and limitations for adding extra refrigerant.
General Safety Precautions for R32 Refrigerant
6-8-1. Recovery
Safe procedures for recovering R32 refrigerant from systems.
6-8-2. Decommissioning
Safety guidelines for safely decommissioning R32 refrigerant systems.
CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS
7-1. Outdoor Unit Control Systems
Overview of the control system for the outdoor unit.
7-1-2. Print Circuit Board, MCC-1597 (Fan Motor IPDU)
Details and layout of the Fan Motor IPDU print circuit board.
7-1-3. Print Circuit Board, MCC-1599 (Interface (CDB))
Description of the Interface (CDB) print circuit board with connector details.
7-1-4. Print Circuit Board, MCC-1600 (Noise Filter)
Information on the Noise Filter print circuit board and its terminals.
7-2. Outline of Main Controls
Summary of the primary control functions and operations.
Outdoor Fan Control
How the outdoor fan speed is controlled based on temperature and operation frequency.
Coil Heating Control
Function of coil heating to prevent refrigerant stagnation in the compressor.
Current Release Value Shift Control
Control logic for adjusting current limits based on sensor values.
Defrost Control
Mechanism and conditions for performing defrost operations.
TROUBLESHOOTING
General Troubleshooting Summary and Procedures
Overview of troubleshooting steps and general procedures.
Indoor Unit Lamp Indication Troubleshooting
Interpreting LED indications for self-diagnosis of indoor unit faults.
Remote Controller Monitor Function
Procedure to display sensor temperatures via the remote controller's service mode.
Outdoor Unit Check Code List
Comprehensive list of outdoor unit error codes and their causes/solutions.
Indoor Unit Check Code Table
Table detailing indoor unit error codes, causes, and troubleshooting measures.
Outdoor Unit Diagnostic Procedures
Step-by-step methods for diagnosing outdoor unit check codes.
Sensor Characteristics for Diagnostics
Table showing resistance values of temperature sensors at various temperatures.
SETUP AT LOCAL SITE AND OTHERS
9-1. Calling of check Code History
How to retrieve past error codes and troubleshoot history.
9-2. Group Control Operation
Procedure for setting up and operating multiple indoor units in a group.
9-3. Outdoor Unit Setup Options
Outdoor unit settings adjustable via DIP switches and jumpers.
Service Support Functions
Explanation of service functions controlled by DIP switches and LED indicators.
LED Display Selection and Operation
How to select and interpret LED displays for various parameters.
Trouble Display Interpretation
Interpreting LED displays for current and historical troubles.
Sensor and Operation Value Display
Displaying sensor values, current, and compressor operation via LEDs.
Maintenance Check Operations
Performing specific maintenance checks using DIP switches and buttons.
Outdoor Application Operations
Details on optional connector kits for advanced outdoor unit functions.
ADDRESS SETUP
10-1. Address Setup Procedure
Step-by-step process for setting up unit addresses for communication.
10-2. Address Setup & Group Control
Understanding address structure and configuring group control operations.
10-2-1. System Configuration
Diagrams illustrating different system configurations for indoor/outdoor unit connections.
10-2-2. Automatic Address Example from Unset Address
Examples of automatic address assignment for various system setups.
10-3. Remote Controller Wiring
Wiring instructions for connecting remote controllers to indoor and outdoor units.
10-4. Address Setup (Manual setting from remote controller)
Procedure for manually configuring unit addresses using the remote controller.
10-5. Confirmation of Indoor Unit No. Position
How to verify indoor unit addresses and their positions within the system.
Maintenance and Check List
Unit Maintenance Procedures
Recommended checks and maintenance tasks for ensuring unit longevity and performance.
REPLACEMENT OF THE SERVICE P.C. BOARD MCC-1599
PC Board Replacement Settings
Instructions for setting jumpers and DIP switches during PC board replacement.
HOW TO EXCHANGE COMPRESSOR
Compressor Exchange Procedure
General outline of the steps involved in replacing the compressor.
DETACHMENTS
13-1. Outdoor Unit General Detachment
Procedures for detaching and reattaching the outdoor unit's service panel and top plate.
Discharge Port Cabinet Detachment
Steps for detaching and attaching the discharge port cabinet assembly.
Side Cabinet Detachment
Procedure for removing and installing the side cabinet of the outdoor unit.
Inverter Assembly Detachment
Steps for detaching and attaching the inverter assembly unit.
Interface Board (Control Board) Replacement
Procedure for replacing the main control interface board.
Fan-IPDU Board Replacement
Instructions for detaching and attaching the Fan IPDU board.
Noise Filter Board Replacement
Procedure for replacing the noise filter board.
Compressor IPDU Board Replacement
Steps for detaching and attaching the compressor IPDU board.
Fan Motor Replacement
Procedure for removing and installing the outdoor unit's fan motor assembly.
Compressor and Lead Replacement
Steps for removing and replacing the compressor and its associated leads.
PMV Coil and Fan Guard Detachment
Procedures for detaching and attaching the PMV coil and fan guard.
EXPLODED VIEWS AND PARTS LIST
14-1. Outdoor Unit Exploded View
Exploded view diagram of the outdoor unit with numbered parts.
Inverter Assembly Exploded View
Inverter Assembly Components
Diagram showing numbered components within the inverter assembly.
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