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General| Brand | Hitachi |
|---|---|
| Model | RAS-6-HVNPE |
| Category | Air Conditioner |
| Language | English |
General notes, introduction, and environment-friendly unit details.
Covers applied symbols and relevant norms and regulations for safe operation.
Details on classifying outdoor and indoor unit models and product guides.
Essential safety precautions for unit installation and handling.
Guidelines for safely transporting the outdoor unit.
Information on the center of gravity for hanging and moving the unit.
List of accessories provided with the RAS-12HN(P/C) unit.
Specifies the required installation space for various models.
Details on selecting and preparing the installation location for units.
Information on installing optional accessories for specific models.
Important general notes and material specifications for piping work.
Procedure for connecting piping to outdoor units for various models.
Guidelines for refrigerant piping length, system configurations, and combinations.
Procedures and cautions for charging refrigerant into the system.
Safety measures and concentration limits for refrigerant leakage.
Procedures for using existing pipes with R22 or R407C.
Information on drain piping and connecting the drain boss.
General safety and compliance notes for electrical wiring.
Detailed instructions for connecting electrical wiring to the outdoor unit.
Configuration of DIP switches for various functions and models.
Guidelines for electrical wiring between indoor and outdoor units, including wire size.
Features, specifications, and connection examples for the H-LINK II system.
Details on individual and simultaneous operation control.
Wiring diagrams for various models and power supply configurations.
Control logic for compressor, valves, and fan based on operating conditions.
Identification of connectors, switches, and LEDs on the outdoor unit PCBs.
Overview of safety devices and their settings for compressor protection.
Flowcharts detailing cooling, dry, heating, and defrost operations.
Functions like freezing protection, high pressure prevention, and preheating controls.
Details on available ports and optional signals for input/output.
Setting and description of optional functions configurable via the 7-segment display.
List of optional functions configurable via remote control switches like PC-ART.
Pre-test run checks for electrical wiring, refrigerant, and unit settings.
Step-by-step guide for performing test runs using the PC-ART remote control.
Procedure for conducting test runs using the PC-ARF remote control.
Steps for performing test runs with the wireless remote control.
Instructions for performing test runs using the outdoor unit's DIP switches.
Checklists for test runs and compressor checks.
Basic troubleshooting steps using the 7-segment display and power supply checks.
General troubleshooting procedures including alarm displays and codes.
Methods for troubleshooting using the remote controller and 7-segment display.
Detailed checks for key components like inverters, capacitors, and motors.
Cycle and structural parts, and parts table for RAS-(2-2.5)HVNP.
Cycle and structural parts, and parts table for RAS-3HVNC.
Cycle, structural, electrical parts, and parts name for RAS-3HVNPE.
Cycle, structural, electrical parts, and parts name for RAS-(4-6)H(V)NPE.
Cycle, structural, electrical parts, and parts name for RAS-(4-6)H(V)NCE.
Cycle, structural, electrical parts, and parts name for RAS-(8-10)HN(P/C)E.
Cycle, structural, electrical parts, and parts name for RAS-12HN(P/C).
Introduction to servicing procedures and safety precautions.
Detailed steps for servicing outdoor units, including part removal.
Servicing procedures specific to the Premium series outdoor units.
Servicing procedures for standard series outdoor units.
Specifications, time chart, protective functions, and overload control of the inverter.
Information and characteristics of thermistors used in outdoor units.
Details on the electronic expansion valve, including specifications and checking procedures.
Explanation of the high pressure protection device and its activation conditions.
Specifications and circuit diagrams for noise filters.
Details on capacitor specifications and usage for the inverter.
Specifications for reactors used in 3-phase and 1-phase power supplies.
Information on scroll compressor mechanisms and principles.
General notes on power source checks, refrigerant charge issues, and performance.
Routine maintenance procedures for indoor and outdoor units.
Forms for recording service and maintenance activities.
Data sheet for checking unit status via the 7-segment display.
Data sheet for checking unit status via remote control switch.
Procedure for pump-down and compressor replacement.
