To Next PageTo Next Page
Need help?Do you have a question about the Hitachi RAK-25PEB and is the answer not in the manual?
General| Brand | Hitachi |
|---|---|
| Model | RAK-25PEB |
| Category | Air Conditioner |
| Language | English |
Essential safety procedures to follow during unit repair and maintenance.
Defines semiconductors and scope for safe handling standards.
Outlines procedures for safely handling semiconductor components.
Advises on safe operation conditions and potential issues like noise or frost.
Illustrates correct placement and clearances for indoor and outdoor units.
Explains the functions of each button and the remote's signal transmission.
Details the Leave Home and Powerful operation modes for enhanced control.
Describes the energy-saving Eco operation mode for reduced power consumption.
Explains how to adjust the vertical and horizontal airflow direction.
Safety guidelines to follow while the unit is in operation.
Safety guidelines to follow during the installation process.
Safety guidelines for unit maintenance and relocation.
Identifies and describes the parts of the indoor unit.
Identifies and describes the parts of the outdoor unit.
Step-by-step guide for cleaning the air filter to maintain performance.
Instructions for cleaning the front panel of the indoor unit.
Procedure for preparing the unit for extended periods of non-operation.
Information on heating and cooling capabilities and limitations.
Points to check during regular periodic inspections of the unit.
Guidance on what to check before requesting service or warranty claims.
Provides detailed dimensions and clearances for the indoor unit.
Provides detailed dimensions and clearances for RAC-18/25/35WEB outdoor units.
Provides detailed dimensions and clearances for the RAC-50WEB outdoor unit.
Details specifications for key internal components like thermostats and motors.
Shows the electrical connections for both indoor and outdoor units.
Provides circuit diagrams for RAK series indoor units.
Provides the circuit diagram for RAC-18/25/35WEB outdoor units.
Provides the circuit diagram for the RAC-50WEB outdoor unit.
Shows the functional blocks and data flow between indoor and outdoor units.
Explains the basic operation of Cooling, Dehumidifying, and Heating modes.
Explains the cooling defrost cycle and its timing.
Details the cooling powerful operation mode and its parameters.
Explains the defrosting process using the reversing valve.
Describes how to set the inhibit period for defrosting cycles.
Details the heating powerful operation mode and its parameters.
Explains the Leave Home operation mode for heating efficiency.
Illustrates the refrigerant flow during cooling operation.
Illustrates the refrigerant flow during heating operation.
Steps for removing the front panel and cover of the indoor unit.
Instructions for removing the control and indicating P.W.B.s from the indoor unit.
Steps for removing the tangential fan and fan motor from the indoor unit.
Instructions for removing electrical parts from the outdoor unit.
Continued instructions for removing electrical parts from the outdoor unit.
Describes the operation of the control power circuit and its components.
Describes the operation of the buzzer circuit.
Explains how the remote control signals are received and processed.
Describes circuits for initial setup and temporary manual operation.
Details the room temperature and heat exchanger thermistor circuits.
Addresses common questions and answers for cooling and dehumidification modes.
Addresses common questions and answers for heating and defrost modes.
Answers questions regarding automatic operation behavior.
Addresses questions about wind speed changes and operational noise.
Answers questions on temperature control accuracy and mold prevention.
Solves problems related to setting and displaying timers on the remote control.
Addresses issues with operation mode settings and remote display feedback.
Steps for removing the electrical parts cover on the indoor unit.
Instructions for detaching the control and indicating P.W.B.s.
Explains how self-diagnosis information is displayed on the unit.
Details the storing and retrieving of failure modes.
How to interpret the blinking frequency of the indoor unit's timer lamp.
Lists fault codes indicated by the indoor unit's timer lamp blinking patterns.
Identifies and addresses interference from lighting equipment.
Addresses interference from other electronic devices and remote controls.
Addresses interference from electrical products and grounding issues.
Addresses interference from grounding, radio waves, and sunlight.
Addresses interference caused by direct sunlight on the receiver.
Explains error codes indicated by blinking once, twice, three, or four times.
Explains the error code indicated by the timer lamp blinking 9 times.
Explains the error code indicated by the timer lamp blinking 10 times.
Explains error codes indicated by blinking 12 or 13 times.
Interprets LD301 blinking codes for RAC-18/25/35WEB units.
Interprets LD301 blinking codes for RAC-50WEB units.
Diagnoses power supply voltage errors indicated by LD301 blinking 10 times.
Diagnoses thermistor abnormalities indicated by LD301 blinking 7 times.
Diagnoses OH thermistor heat-up indicated by LD301 blinking 6 times.
Diagnoses high load stop indicated by LD301 blinking 16 times.
Diagnoses overload lower limit cut indicated by LD301 blinking 5 times.
Diagnoses switchover failures indicated by LD301 blinking 4 times.
Diagnoses slow rotation issues indicated by LD301 blinking 3 times.
Diagnoses peak current cut indicated by LD301 blinking twice.
Diagnoses active voltage abnormalities indicated by LD301 blinking 14 times.
Diagnoses fan lock stop indicated by LD301 blinking 12 times.
Diagnoses fan stop due to strong wind indicated by LD301 blinking 11 times.
A list and exploded view of parts for the indoor unit.
A parts list for RAC-18/25/35WEB outdoor units.
A parts list for the RAC-50WEB outdoor unit.
