To Next PageTo Next PageHow to check if the power source breaker or the fuse is blown on a Hitachi FSXN?
To check if the power source breaker or fuse is blown on your Hitachi Air Conditioner, examine the voltage on the secondary side of the breaker. Then, use a multimeter to check the continuity of the fuse.
How to check the transformer's secondary voltage on a Hitachi FSXN?
To check the transformer's secondary voltage on your Hitachi Air Conditioner, first remove the transformer's secondary connection. Then, use a multimeter to measure the voltage.
General| Type | Split |
|---|---|
| Capacity | 1.5 Ton |
| Star Rating | 5 Star |
| Refrigerant | R32 |
| Power Supply | 220-240 V, 50 Hz |
| Energy Efficiency Ratio (EER) | 3.5 |
| Indoor Unit Weight | 9 kg |
Essential safety precautions and guidelines for handling the equipment and ensuring user protection.
Overview of the product line, including outdoor unit classifications and model details.
Detailed instructions for the correct installation of the outdoor unit, including positioning and space requirements.
Specifics on required clearance and ventilation for outdoor units of specific models.
Instructions for installing CH units, including transportation, handling, and installation procedures.
Guidelines for refrigerant piping selection, connection, and insulation for outdoor units.
Guidance on selecting appropriate refrigerant pipe sizes based on system configuration.
Critical procedures and calculations for charging the correct amount of refrigerant for the system.
Piping considerations for CH units, including materials, cautions, and work procedures.
Important warnings and procedures for safe and correct piping connections for CH units.
General information, verifications, and power supply connections for outdoor units.
Detailed specifications for power supply cable sizes and main breaker switches.
Essential visual representation of the electrical connections for outdoor units.
Electrical wiring information specific to CH units.
Step-by-step guide for connecting electrical wiring for CH units.
Overview of the system's control logic, including cycle and compressor operation.
Detailed explanation of the control mechanisms for various components in the refrigeration cycle.
Explanation of compressor operation control, including rotation matching and frequency control.
Description of the unit's behavior during cooling, heating, and dry operations.
Explanation of the defrost operation sequence and conditions.
Details on safety devices and protection mechanisms for outdoor and CH units.
Introduction to the process of setting up optional functions via the outdoor unit PCB.
Configuration of external signals for input and output terminals on the outdoor unit PCB.
Configuration options for various optional functions, including fan control and noise reduction.
Essential checks to perform before initiating the test run to ensure proper installation and safety.
Procedures for conducting test runs using the remote control or directly from the outdoor unit.
A comprehensive checklist to verify the correct state of the refrigerant cycle during testing.
Method for automatically assessing and verifying the refrigerant charge level.
Initial steps to diagnose and resolve common issues, including checking wiring and displays.
Guide to interpreting diagnostic codes displayed on the unit's 7-segment display.
Procedure for accessing and understanding past alarm codes for troubleshooting.
General procedures for systematic troubleshooting of system faults.
A reference list of all system alarm codes and their potential causes.
Detailed troubleshooting steps based on specific alarm codes.
List and diagrams of external cabinet and fan parts for outdoor units.
Identification of internal refrigerant cycle components for outdoor units.
List of electrical components and their locations within the outdoor unit.
Step-by-step instructions for removing the front service cover for access.
Step-by-step instructions for safely removing the compressor for maintenance or replacement.
Procedure for draining, measuring, and refilling refrigerant oil for compressor maintenance.
Instructions for the removal of various coils within the unit.
Steps for removing and replacing pressure sensing components.
Detailed specifications and protection functions of the inverter unit.
Explanation of the various protection mechanisms built into the inverter for safe operation.
Information regarding the structure, principles, and types of scroll compressors used.
Information on thermistor positions and their functions within the system.
Specific details on the compressor upper part thermistor and its role in preventing overheating.
Essential checks for power supply and wiring integrity during abnormal operations.
Analysis of compressor failure caused by low refrigerant charge and recommended countermeasures.
Troubleshooting guide for alarm code 31, related to indoor unit capacity settings.
Safety guidelines and countermeasures to be taken in case of refrigerant leaks.
General maintenance procedures for outdoor and indoor units, including checks for fan, heat exchanger, and electricals.
Step-by-step procedure for safely collecting refrigerant when replacing parts or the unit.
