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General| Brand | Mitsubishi Electric |
|---|---|
| Model | MUZ-FH12NAH |
| Category | Air Conditioner |
| Language | English |
Presents cooling capacity data at various indoor/outdoor conditions and corrections for piping length.
Graphical representation of cooling capacity and power consumption versus outdoor conditions.
Charts showing condensing and suction pressure based on indoor and outdoor temperatures.
Provides standard operating data for electrical circuits, refrigerant, and airflow across models.
Illustrates how inverter frequency affects cooling and heating capacity and input power.
Instructions for performing a test run operation using fixed-frequency settings.
Details the fan motor's ON/OFF operation interlocking with the compressor.
Explains the 4-way valve operation for heating, cooling, and dry modes.
Table showing sensor purpose and its relation to compressor, LEV, fan motor, and valve.
Procedure to adjust the defrost finish temperature by modifying a jumper wire.
Instructions on how to activate pre-heat control to prevent compressor issues in low temperatures.
Important safety and procedural checks before starting troubleshooting.
Guide on how to recall and interpret stored failure codes from the unit's memory.
Table listing outdoor unit failure modes, LED indications, conditions, and remedies.
A comprehensive table correlating symptoms, LED indications, and troubleshooting steps.
Provides resistance and voltage criteria for checking major components like thermistors and motors.
Step-by-step diagnostic flows for checking specific components like the inverter and compressor.
Guidance on diagnosing and resolving electromagnetic noise interference affecting nearby electronic devices.
Diagrams and voltage/resistance values for testing key points on the inverter P.C. board.
