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General| Brand | Hitachi |
|---|---|
| Model | RAS-10FS3 |
| Category | Air Conditioner |
| Language | English |
Covers basic checks like switch settings, wiring, and displays for troubleshooting.
Details methods for diagnosing issues using alarm codes and check modes.
Explains how to self-check PCBs, remote controls, and other key components.
Provides procedures for running tests on units via remote control or outdoor unit.
Covers procedures for disassembling and servicing outdoor unit components.
Details servicing steps specific to RPI series in-ceiling units.
Outlines disassembly and servicing procedures for 4-way cassette indoor units.
Outlines disassembly and servicing procedures for 2-way cassette indoor units.
Details disassembly and servicing procedures for wall-mounted indoor units.
Outlines disassembly and servicing procedures for floor-standing indoor units.
Details disassembly and servicing procedures for floor-concealed indoor units.
Outlines disassembly and servicing procedures for ceiling-mounted indoor units.
Covers structure and removal of electrical parts for total heat exchangers.
Provides instructions and tools for cleaning indoor unit heat exchangers.
Details the procedure for safely collecting refrigerant before unit replacement.
Covers inverter specifications, protection functions, and overload control.
Explains the concept, features, and specifications of AC chopper control.
Details the operation and stoppage principles of auto-louver mechanisms.
Explains the structure, mechanism, and principle of scroll compressors.
Lists thermistor positions and resistance characteristics for indoor and outdoor units.
Provides specifications and diagrams for electronic expansion valves.
Explains high and low pressure control mechanisms and sensor characteristics.
Details the function and circuit of the high pressure protection device.
Explains the purpose and specifications of noise filters.
Lists specifications for capacitors used in the inverter.
Lists specifications for reactors used in the inverter.
Covers remote control functions, power supply settings, and thermostat control for indoor units.
Details input/output settings, unit selection, and remote control thermistor function for indoor units.
Explains external signal inputs and outputs for outdoor units like demand and forced stoppage.
Describes the parts and functions of remote control switches PC-P1H and PC-2H2.
Details the parts and identification procedures for wireless remote control switches.
Explains the operation and indicators of the 7-day timer.
Describes the features and operation of the central station unit.
Analyzes compressor burnout caused by low refrigerant charge and provides solutions.
Addresses cooling issues related to long piping installations and required settings.
Investigates causes and countermeasures for high operating sound in ceiling units.
Explains the cause and countermeasures for Alarm Code "31".
Discusses cooling issues arising from inadequate outdoor unit installation space.
Highlights important considerations for system design and installation of SET-FREE FXG/FX3 series.
Provides guidelines for selecting appropriate drain pipe diameters based on flow volume.
Details maximum permissible refrigerant concentrations and countermeasures for leaks.
Outlines routine maintenance checks for indoor and outdoor units, compressors, and electrical parts.
Shows electrical wiring diagrams for RAS-8FXG and RAS-10FXG models.
Illustrates electrical wiring for CH-4.0GE and CH-6.5GE models.
Depicts the refrigerant cycle for the RAS-10FXG model, showing key components.
