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General| Category | Air Conditioner |
|---|---|
| Series | FH Series |
| Cooling Capacity | 6, 000 BTU/h |
| Refrigerant | R410A |
| Indoor Unit Dimensions (H x W x D) | 12.4 x 31.5 x 9.8 inches |
| Outdoor Unit Dimensions (H x W x D) | 21.3 x 26.8 x 11.2 inches |
| Voltage | 208 / 230 V |
| Operating Temperature (Cooling) | 14°F to 115°F |
| Operating Temperature (Heating) | -13°F to 75°F |
| Sound Level | 19 dB (Indoor), 49 dB (Outdoor) |
| Power Supply | 1 Phase, 60 Hz |
Details model additions, name changes, and new service part numbers.
Identifies parts and labels for MUZ-FH06/09/12NA/NAH models.
Identifies parts and labels for MUZ-FH15/18NA/NAH models.
Detailed performance data including capacity, power, COP, sound level, and dimensions.
Provides installation dimensions and required space for smaller unit models.
Provides installation dimensions and required space for larger unit models.
Schematics for outdoor units MUZ-FH06/09/12NA and MUZ-FH06/09/12NAH models.
Schematics for outdoor units MUZ-FH09/12NA and MUZ-FH09/12NAH models.
Schematics for outdoor units MUZ-FH15/18NA models.
Schematics for outdoor unit MUZ-FH18NA2 models.
Schematics for outdoor units MUZ-FH15NAH and MUZ-FH18NAH models.
Schematics for outdoor unit MUZ-FH18NAH2 models.
Diagrams illustrating refrigerant flow for MUZ-FH06/09/12NA/NAH models.
Diagrams illustrating refrigerant flow for MUZ-FH15/18NA/NAH models.
Specifies maximum refrigerant pipe length and height difference limits.
Details how to calculate additional refrigerant charge based on piping length.
Provides cooling capacity ratings under various indoor/outdoor conditions.
Correction factors for cooling capacity based on refrigerant piping length.
Provides heating capacity ratings under various indoor/outdoor conditions.
Graphs showing cooling capacity and power consumption vs. outdoor temperature.
Graphs illustrating heating capacity and power consumption under various conditions.
Charts showing condensing and suction pressures vs. ambient temperature.
Charts showing condensing and suction pressures vs. ambient temperature.
Condensing and suction pressure charts for MUZ-FH06/09/12NA/NAH models.
Condensing and suction pressure charts for MUZ-FH15/18NA/NAH models.
Comprehensive table of operational data including capacity, power, and refrigerant details.
Graphs showing capacity and input correction factors for cooling by inverter frequency.
Graphs showing capacity and input correction factors for heating by inverter frequency.
Details fan motor operation interlocking with the compressor.
Describes R.V. coil operation in different modes (Heating, Cooling, Dry).
Table showing how sensors relate to compressor, LEV, fan motor, and R.V. coil.
Procedure to change the defrost finish temperature setting.
Instructions for activating pre-heat control to prevent start-up issues.
Important safety and preliminary checks before starting troubleshooting.
General steps for identifying and diagnosing abnormalities.
Flowchart for recalling failure modes of indoor and outdoor units.
Detailed flowchart for recalling outdoor unit failure modes.
Table correlating failure modes, LED signals, conditions, and remedies.
Extended table of failure modes, conditions, and remedies for outdoor units.
Table mapping symptoms, LED patterns, conditions to specific remedies.
Additional troubleshooting checks and conditions for specific failure symptoms.
Criteria for checking resistance and voltage of key components.
Step-by-step guide to check the inverter and compressor.
Procedure to check for open phase conditions in the inverter.
Procedures to check compressor winding, operation time, and start failure.
Diagnostic steps for checking outdoor thermistors and related components.
Procedure to check the R.V. coil for proper operation and resistance.
Steps to diagnose issues with the outdoor fan motor.
Procedure to verify power supply voltage and LED indicators.
Diagnostic steps for checking the expansion valve's operation and resistance.
Procedure to check the inverter P.C. board, including fuses and LED indications.
Guide to identify and resolve miswiring and serial signal errors.
Procedure to check the defrost heater and related components.
Steps to diagnose issues related to the outdoor refrigerant circuit.
Steps to diagnose and resolve electromagnetic noise interference with TVs and radios.
Diagrams showing test points and voltage readings on the inverter P.C. board.
Diagrams showing test points for MUZ-FH09/12NA/NAH inverter P.C. boards.
Diagrams showing test points for MUZ-FH15/18NA/NAH inverter P.C. boards.
Step-by-step instructions for disassembling MUZ-FH06/09/12NA/NAH units.
Instructions for removing key electronic components and the R.V. coil.
Procedure for removing various temperature sensors from the unit.
Steps for removing the outdoor fan motor, compressor, and 4-way valve.
Step-by-step instructions for disassembling MUZ-FH15/18NA/NAH units.
Instructions for removing components for MUZ-FH15/18 series units.
Steps for removing sensors, fan motor, and compressor for MUZ-FH15/18 units.
