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General| Energy Efficiency Ratio (EER) | 12.0 |
|---|---|
| EER (Cooling) | 12.0 |
| Cooling Capacity | 9000 BTU |
| Power Supply | 230V, 60Hz |
| Refrigerant | R410A |
| Noise Level (Indoor) | 19 dB |
| Sound Level (Indoor) | 19 dB |
Inverter technology ensures stable room temperature and comfortable airflow by automatically adjusting compressor speed.
Compressor rotation is optimized to match room load, maximizing efficiency and ensuring accurate temperature control.
Inverter technology enhances SEER and HSPF ratings, leading to greater energy efficiency compared to conventional units.
High-performance rotary compressor and twin rotary compressor design contribute to lower operating costs, longer service life, and reduced noise.
Identifies key parts of the indoor unit, including filters, vanes, and control sections.
Identifies key parts of the outdoor unit, including air inlets, outlets, piping, and service panels.
Details electrical, dimensional, and performance data for the indoor and outdoor units.
Information on refrigerant charge, pipe sizes, and connection methods.
Tables detailing cooling and heating capacity across various operational conditions and piping lengths.
Graphical representation of capacity and power consumption relative to operating frequency and temperature variations.
Comprehensive data on electrical, refrigerant, and operational parameters essential for system servicing and analysis.
Specifies power supply requirements and the operational temperature and humidity limits for cooling and heating modes.
Detailed dimensional drawings and specifications for the indoor units of both models.
Dimensional drawings for the outdoor unit and guidelines for required installation clearance.
Electrical schematics for the indoor units, showing component connections and signals.
Electrical schematic for the outdoor unit, illustrating power supply, control, and component wiring.
Illustrates the path of refrigerant through the indoor and outdoor units for cooling and heating, detailing components.
Explains the layout and functions of the wireless remote controller for managing the air conditioning system.
Detailed description of the "I FEEL CONTROL" feature, including temperature sensing, mode selection, and fan speed adaptation.
Outlines the operational logic, fan speed adjustments, and compressor control specific to DRY and HEAT modes.
Instructions for setting timers and using emergency operation for testing, servicing, or manual control.
Overview of the main power supply circuit, including components like noise filters, capacitors, and IPM for system protection.
Instructions for modifying defrost settings and shortening timer modes using jumper wires or short circuits.
Steps for configuring remote controller P.C. boards for exclusive operation of each indoor unit in multi-unit systems.
Guidance on enabling or disabling the auto restart function, which preserves settings after power interruptions.
Essential safety measures, preliminary checks, and basic troubleshooting steps for diagnosing unit issues.
Guides diagnosis by correlating operation indicator lamp flashing patterns with specific faults and their locations.
Procedures for testing the resistance and voltage of key components like thermistors, motors, and compressors to identify faults.
Detailed steps for diagnosing potential failures in the inverter, compressor, and indoor fan motor systems.
Troubleshooting steps for issues related to the remote controller, receiver P.C. board, and communication signals.
Methods for diagnosing problems with power supply, expansion valve (LEV), and identifying mis-wiring or signal errors.
Visual guide to test points, voltage readings, and component layout on the indoor control P.C. boards for both models.
Diagrams showing the placement of thermistors, connectors, and other components on the outdoor electronic control P.C. board.
Schematic views of the noise filter and relay P.C. boards, highlighting their key components and connections.
Step-by-step instructions for safely disassembling the MSZ09UN indoor unit, covering panels and internal components.
Step-by-step instructions for safely disassembling the MSZ12UN indoor unit, detailing the removal of panels and internal parts.
Detailed procedures for taking apart the outdoor unit, including removal of the cabinet, inverter, and compressor.
Detailed lists of structural components for the indoor units, including part numbers and quantities.
Lists of electrical and functional components for the indoor units, with corresponding part numbers.
Comprehensive lists of structural and functional parts for the outdoor units, with part numbers.
Lists of electrical components used in the outdoor units, including capacitors, resistors, and circuit boards.
Information on optional extension refrigerant pipes, including specifications for length, diameter, and insulation.
Guidance on cleaning and replacing air cleaning and deodorizing filters for optimal air quality and unit performance.
