Mitsubishi Electronics MUZ-GE09NA, MUY-GE12NA, MUY-GE15NA, MUY-GE18NA, MUY-GE09NA, MUZ-GE12NA

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Contents Outdoor Unit Technical Changes Part Names and Functions MUZ-GE09NA MUY-GE09NA MUZ-GE12NA MUY-GE12NA SpecificationRefrigerant charge R410A Lb oz MUZ-GE15NA MUY-GE15NA MUZ-GE18NA MUY-GE18NAHspf Operating RangeARI SeerUnit inch Outlines and DimensionsWiring Diagram MUZ-GE15NA MUY-GE15NA MUZ-GE18NA MUY-GE18NA Ø1/2 GE15NA Refrigerant System DiagramLEV Ø3/8 GE12NAMUZ-GE09/12/15NA MUY-GE09/12/15NA GE15 MUZPerformance Data DataMUZ-GE12NAMUZ-GE15NA MUY-GE12NAMUY-GE15NA Performance Curve CoolingMUZ-GE09NA MUY-GE09NA MUZ-GE15NA MUZ-GE18NA MUZ-GE18NA MUY-GE18NAHeating MUZ MUZ-GE09NA MUZ-GE12NAMUZ-GE15NA MUY-GE15NA Condensing Pressure CoolingMUZ-GE12NA MUY-GE12NA MUZ-GE09NA MUZ-GE15NA MSZ-GE09NA, MSY-GE09NA MSZ-GE12NA, MSY-GE12NA Standard Operation DataMSZ-GE09NA MSZ-GE12NA MSY-GE09NA MSY-GE12NA SHFMUZ-GE15NA MUZ-GE18NA MUY-GE15NA MUY-GE18NA MSZ-GE15NA MSZ-GE18NA MSY-GE15NA MSY-GE18NAMSZ-GE15NA, MSY-GE15NA MSZ-GE18NA, MSY-GE18NA MUZ-GE15NA MUZ-GE18NACorrection of Cooling capacity HOW to Operate FIXED-FREQUENCY Operation Test run operationRelation Between Main Sensor and Actuator Actuator ControlOutdoor FAN Motor Control R.V. Coil Control MUZPRE-HEAT Control Setting Service FunctionsTroubleshooting Change in Defrost Setting MUZFailure Mode Recall Function Operational procedure LED Outdoor unit failure mode tableTroubleshooting Check Table GE09/12 GE15 GE18 Trouble Criterion of Main PartsGE09 GE12 GE15/18 Check of compressor How to check inverter/compressorCheck of open phase Troubleshooting FlowBLK WHT BLK RED WHT RED Check of compressor windingCheck of compressor operation time Check of compressor start failureCheck of R.V. coil MUZ Unit operates Cool mode even if it is set to Heat modeUnit operates Heat mode even if it is set to Cool mode Check of outdoor thermistorsCheck of outdoor fan motor MUZ-GE09/12/15NA MUY-GE09/12/15NACheck of power supply Check of LEV Expansion valve Emergency Operation Check of inverter P.C. boardHow to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios LED LEV Test Point Diagram and VoltageInverter P.C. board LED Removing the cabinet Photo Disassembly InstructionsRemoving R.V. coil MUZ Removing the inverter assembly, inverter P.C. board PhotoPhoto 4 Inverter assembly Photo Removing the discharge temperature thermistorRemoving the compressor and 4-way valve Removing outdoor fan motor PhotoMUZ-GE18NA MUY-GE18NA Operating Procedure Photos Photo5 Removing R.V. coilRemoving outdoor fan motor Page Page Made in Japan New publication, effective JulDistributed in Jul . No. OBH 549

MUZ-GE09NA, MUZ-GE15NA, MUY-GE15NA, MUZ-GE18NA, MUZ-GE12NA specifications

Mitsubishi Electronics offers a range of advanced air conditioning systems, including the MUY-GE12NA, MUY-GE18NA, MUY-GE09NA, MUZ-GE12NA, and MUZ-GE18NA models. These units are designed for optimal energy efficiency and superior comfort, making them ideal for residential and commercial applications.

One of the standout features of these models is their inverter technology. By adjusting the compressor speed according to the cooling or heating demand, inverter systems provide precise temperature control while significantly reducing energy consumption compared to traditional units. This not only translates to lower utility bills but also less environmental impact.

The MUY-GE series units come with a user-friendly remote control that allows for easy adjustments of temperature settings, fan speeds, and operational modes. Smart operation modes include cooling, heating, and dehumidification, thereby catering to various climate needs. The units also include a programmable timer, enabling users to set the air conditioner to operate at specific times, enhancing convenience and efficiency.

Another impressive characteristic is the advanced air filtration system. Mitsubishi integrates a multi-stage filtration mechanism that includes a washable pre-filter, a pleated filter, and a high-performance deodorizing filter. This ensures cleaner indoor air by effectively reducing allergens, dust, and odors, contributing to a healthier living space.

The sleek and modern design of these units also allows for easy installation and compatibility with various interior settings. The MUY-GE09NA, MUY-GE12NA, and MUY-GE18NA indoor units are designed to be compact and unobtrusive, while the outdoor units (MUZ series) are engineered for durability and quiet operation.

Noise levels are another critical aspect where Mitsubishi excels. These air conditioning systems operate quietly, making them suitable for bedrooms, offices, and other noise-sensitive environments. Their Whisper-Quiet technology ensures that sound levels during operation remain low, promoting a peaceful atmosphere.

Mitsubishi Electronics ensures customer satisfaction with robust support and warranty options, emphasizing quality and reliability. In summary, the MUY-GE12NA, MUY-GE18NA, MUY-GE09NA, MUZ-GE12NA, and MUZ-GE18NA models stand out for their energy-efficient inverter technology, user-friendly controls, advanced air filtration, sleek design, and quiet operation, making them a smart choice for modern cooling and heating needs.