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General| Cooling Capacity (BTU/h) | 24000 |
|---|---|
| Heating Capacity (BTU/h) | 27000 |
| Refrigerant | R410A |
| Cooling Capacity (kW) | 7.0 kW |
| Heating Capacity (kW) | 7.9 kW |
| Phase | 1 |
| Outdoor Unit Dimensions (HxWxD) | 550x800x285 mm |
| Indoor Unit Weight | 9.5 kg |
| Weight (Outdoor Unit) | 37 kg |
Details regarding indoor units, including model names and service references.
General safety guidelines to follow before accessing electrical terminals or performing maintenance.
Specific precautions for handling R410A refrigerant, including pipe and tool requirements.
Guidelines for refrigerant piping work, including pipe thickness and flare nut dimensions for R410A.
Description of the pre-charged refrigerant system for simplified installation and improved reliability.
Table detailing refrigerant charge amounts for various models based on piping length.
Technical specifications for the compressor, including winding resistance and model details.
Graphs illustrating noise levels for different operating modes and frequencies.
Operational data including electrical, refrigerant, and temperature specifications for various models.
Guidelines for outdoor unit installation space, foundation bolts, and piping/wiring directions.
Diagrams illustrating free space, service access, and piping knockout hole details.
Explanation of DIP switch settings for model selection and M-NET adapter connections.
Wiring specifications for systems where indoor units are powered by the outdoor unit.
Wiring specifications for systems with independent power supplies for indoor and outdoor units.
Specifications for the connecting cable between indoor and outdoor units, including length limits.
Guidelines for M-NET communication wiring, address settings, and regulations.
Procedures for refrigerant recovery (pump down) and starting/finishing a test run.
Troubleshooting summaries and pre-test run checks for system issues.
Methods for performing self-diagnosis, including controller and unit specific procedures.
Action tables for abnormalities detected during power-on and unit operation.
Troubleshooting common issues with the remote controller's display and operation.
Diagnosing problems related to unit startup, cooling, heating, and overall operation.
Identifying and addressing unusual sounds coming from the air conditioner.
Procedures for checking the resistance of various components like thermistors and coils.
Procedure for checking the DC fan motor and associated circuitry for faults.
Details on thermistor types, resistance values, and checking procedures.
Steps for activating, releasing, and operating the unit in emergency mode.
Diagrams illustrating test points on the outdoor controller and noise filter circuit boards.
Diagrams illustrating test points on the outdoor power circuit and active filter modules.
Explanation of the functions of various switches, connectors, and jumpers.
Procedures for enabling low-level sound priority and demand control via external signals.
Explanation of LED indicators and display patterns for normal and abnormal conditions.
Guide to entering maintenance mode and performing fixed Hz operation.
Instructions for setting unit functions like temperature display, mode, and timer via remote controller.
Procedure for accessing and viewing operation data using request codes.
List of request codes and their corresponding descriptions for monitoring operation data.
Steps for removing the unit's top, service, front, back panels and the fan motor.
Procedure for accessing and removing the electrical parts box.
Steps for removing various thermistors from the outdoor unit.
Procedures for removing 4-way valve, expansion valve, and bypass valve coils.
Steps for removing high pressure switch, low pressure switch, reactor, and capacitor.
Procedures for removing the compressor and accumulator components.
