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General| Brand | Midea |
|---|---|
| Model | MSG-18HRN2 |
| Category | Air Conditioner |
| Language | English |
Essential safety instructions to prevent injury, fire, and electric shock during installation and operation.
Critical warnings regarding installation, electrical work, product handling, and environmental considerations.
Detailed dimensions (Width, Height, Depth) for the indoor air conditioning unit.
Detailed dimensions (Width, Height, Depth, L1, L2, L3) for the outdoor air conditioning unit.
Chart defining the acceptable outdoor and indoor temperature ranges for efficient cooling.
Chart defining the acceptable outdoor and indoor temperature ranges for efficient heating.
Detailed electrical schematic illustrating the internal components and connections of the unit.
Visual guide showing the electrical wiring connections for different unit configurations.
Table specifying torque values for various pipe diameters during installation.
Guidelines for selecting and connecting power cords based on unit capacity.
Recommendations for maximum pipe length, elevation difference, and refrigerant addition.
Step-by-step instructions for removing air from the refrigeration piping.
Procedure for safely recovering refrigerant during unit re-installation.
Steps for purging air again during re-installation after pumping down.
Procedure to balance refrigerant pressure between the 2-way and 3-way valves.
Method for creating a vacuum in the refrigeration system using a vacuum pump.
Instructions for adding the correct amount of refrigerant to the system.
Cooling and heating capacity (kW) for MSG-07CRN2 across various temperature conditions.
Cooling and heating capacity (kW) for MSG-07HRN2 across various temperature conditions.
Cooling and heating capacity (kW) for MSG-09CRN2 across various temperature conditions.
Cooling and heating capacity (kW) for MSG-09HRN2 across various temperature conditions.
Cooling and heating capacity (kW) for MSG-12CRN2 across various temperature conditions.
Cooling and heating capacity (kW) for MSG-12HRN2 across various temperature conditions.
Specifies the required operating voltage, frequency, and ambient temperature for the control system.
Explanation of symbols, indicators, and abbreviations used in the unit's electronic functions.
Lists and briefly describes the various operational features and functions of the air conditioner.
Details on internal protections like compressor delay, sensor faults, and current protection.
Describes the fan-only operational mode and available fan speeds.
Explains the cooling mode, including 4-way valve status and fan operation based on temperature.
Details the dehumidifying mode, including 4-way valve status and fan actions.
Describes the heating mode, including 4-way valve and fan operation, and compressor timing.
Explains conditions and timing for defrosting mode, applicable during heating operations.
How the unit automatically selects cooling, heating, or fan-only based on temperature.
Procedures for activating and operating the forced cooling function.
Details on how the sleep mode adjusts temperature and fan speed over time.
Functionality that restores previous settings after a power failure.
Information regarding the optional anion feature and its activation.
Explains the meaning of various indicator lights on the unit's display board.
Maps specific failure phenomena to corresponding indicator lamp states for diagnosis.
A step-by-step chart to diagnose operational issues, particularly power and PCB faults.
Troubleshooting steps for units that frequently reset during operation, often due to low voltage.
Diagnosing issues indicated by the operation lamp flashing and timer lamp being off.
Diagnosing issues indicated by operation and timer lamps flashing simultaneously.
Diagnosing issues indicated by the operation lamp being off and the timer lamp flashing.
Diagnosing issues indicated by the operation lamp being on and the timer lamp flashing.
Diagnosing failures related to the main chip's inability to detect over-zero signals.
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