Table of Contents
Troubleshooting
Related Manuals for Toshiba RAV-HM901BTP Series
Summarization of Contents
Safety Information and Symbols
Definition of Protective Gear
Details required protective gear for various tasks.
Indication Explanations
Explains warning and caution indications.
Illustrated Mark Explanations
Explains meanings of illustrated marks.
Symbol Meanings
Explains symbols used on the unit.
Precaution for Safety
DANGER Warnings
Specific warnings about immediate danger and severe injury.
General Warnings
General safety instructions and precautions for operation.
Refrigerant (R32) Safety and Handling
Safety Cautions for R32
Key safety concerns when working with R32 refrigerant.
Installation and Service Cautions
Important precautions during installation and service.
Pipe Materials
Recommended pipe materials for R32 systems.
Tools Required for R32 Systems
R32 Exclusive Tools
Tools specifically required for R32 refrigerant work.
General Tools
Commonly used tools applicable to R32 systems.
Installation and Relocation Procedures
Installation Guidelines
Procedures and considerations for installing the unit.
Relocation Information
Steps and precautions for moving the unit.
2. AIR DUCTING WORK
Static Pressure Characteristics
Graphs showing static pressure vs. air volume for different models.
3. CONSTRUCTION VIEWS (EXTERNAL VIEWS)
Unit Dimensions
Table showing unit dimensions (A, B, C, D) for different models.
6. CONTROL BLOCK DIAGRAM
Indoor Controller Block Diagram
Block diagram of the indoor unit's control system.
Remote Controller Connection Types
Diagrams for wired and wireless remote controller connections.
6-2. Control Specifications
Basic Operation Controls
Covers power reset, mode selection, and temperature control.
Advanced Operation Controls
Details automatic capacity, cooling/heating, and fan speed controls.
Specialized Operation Controls
Explains unique operations like freeze protection, self-clean, and energy saving.
System and Communication Settings
Covers communication protocols, rotation, defrost, power shift, and free cooling.
Secondary Heating Control
Logic and settings for secondary heating operations.
6-3. Indoor Print Circuit Board
Optional Connector Specifications
Specifications for optional connectors on the P.C. board.
7. TROUBLESHOOTING
Summary of Troubleshooting
Overview of troubleshooting steps and common problems.
Troubleshooting Procedures
Detailed guides including judgment, check codes, and diagnostic flowcharts.
8. SERVICE P.C. BOARD REPLACEMENT
Indoor Unit P.C. Board Replacement
Step-by-step guide for replacing the indoor unit's P.C. board.
9. LOCAL SITE SETUP AND OTHERS
9-1. Indoor Unit Setup
Procedures for setting up the indoor unit.
9-1-5. Remote Controller Wiring and Setting
Details wiring and settings for multi-remote controller configurations.
9-2. Local Site Setup Procedures
Setup procedures for local site connections and configurations.
10. ADDRESS SETUP
Address Setup Procedure
General steps for setting addresses upon power-on.
Address Setup and Group Control
Detailed guidance on addresses, terminology, and system configurations.
Manual Address Setup via Remote Controller
Steps for manual address configuration using the remote controller.
11. DETACHMENTS
Air Filter Removal and Installation
Steps for detaching and attaching the air filter.
Suction Panel Removal and Installation
Steps for detaching and attaching the suction panel.
Electric Parts Box Cover Removal and Installation
Steps for detaching and attaching the electric parts box cover.
Electric Parts Box Removal and Installation
Steps for detaching and attaching the electric parts box.
Control P.C. Board Removal and Installation
Steps for detaching and attaching the control P.C. board.
Fan Motor, Fan, Fan Case Removal and Installation
Steps for detaching and attaching the fan assembly.
Drain Pan Removal and Installation
Steps for detaching and attaching the drain pan.
Drain Pump & Float Switch Removal and Installation
Steps for detaching and attaching the drain pump and float switch.
Heat Exchanger Removal and Installation
Steps for detaching and attaching the heat exchanger.
12. EXPLODED VIEWS AND PARTS LIST
Indoor Unit Exploded View
Exploded view of the indoor unit assembly.
Electric Parts Diagram
Diagram showing the location of electric parts.
REFRIGERANT LEAKAGE WARNINGS
Concentration Limit Guidelines
Guidelines for acceptable refrigerant concentration limits in rooms.
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