Mitsubishi Electronics MSZ09UN, MSZ12UN Details of display on the indoor unit

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NOTE

COOL: When the room temperature is 4 °F higher than the set temperature, the set temperature may not be changed since the air conditioner is operating to reach the target (set) temperature. In this case, please wait until the room temperature drops to within 4 °F of the set temperature and then change the set temperature.

HEAT: When the room temperature is 4 °F lower than the set temperature, the set temperature may not be changed since the air conditioner is operating to reach the target (set) temperature. In this case, please wait until the room temperature rises to within 4 °F of the set temperature and then change the set temperature.

Details of display on the indoor unit

The operation indicator at the right side of the indoor unit indicates the operation state.

MSZ09UN

Operation

Indicator

MSZ12UN

Lighted

Operation Indicator

Not lighted

Lighted

Not lighted

Operation indicator lamp

MSZ09UN

Indication

Operation state

Difference between target

temperature and room temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This shows that the air conditioner is operating to reach the

 

 

 

 

 

 

target temperature. Please wait until the target temperature

About 4 °F or more

 

 

 

 

 

is obtained.

 

 

 

 

 

 

 

 

 

 

 

 

 

This shows that the room temperature is approaching the

About 4 °F or less

 

 

 

 

 

target temperature.

 

 

 

 

 

 

 

 

 

 

 

 

 

MSZ12UN

 

 

 

 

 

 

 

 

 

Indication

Operation state

Difference between target

temperature and room temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This shows that the air conditioner is operating to reach the

 

 

 

 

 

 

target temperature. Please wait until the target temperature

About 4 °F or more

 

 

 

 

 

 

 

 

 

 

is obtained.

 

 

 

 

 

 

 

 

 

 

 

 

 

This shows that the room temperature is approaching the

About 4 °F or less

 

 

 

 

 

target temperature.

 

 

 

 

 

 

 

 

 

 

 

 

 

Description of “AUTO RESTART FUNCTION”

■These units are equipped with an auto restart function. When the main power is turned on, the air conditioner will start operation automatically in the same mode as the one set with the remote controller before the shutoff of the main power.

■If the unit was set to off with the remote controller before the shutoff of the main power, it will remain stopped even after the main power is turned on.

■If the unit was in the emergency operation before the shutoff of the main power, it will start operation, when main power comes on, in the same mode as the one set with the remote controller before the emergency operation.

■If the unit is operated in “I FEEL ...” mode before power failure, the operation is not stored in the memory. In “I FEEL ...” mode, the operation is decided by the initial room temperature at (re)start.

■Since the air conditioner has been shipped from the factory with the COOL mode saved in the memory for auto restart function, it starts cooling operation when the user turns on the main power for the first time after installation.

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Contents Operating Instructions Contents Safety Precautions Repairs or relocation should not be done by the customer Customer should not install this unitDo not turn the breaker off/on during operation This could damage your healthVentilate well in using the unit with a stove, etc Do not operate switches with wet handsDo not clean the air con- ditioner with water Do not use an insecticide or flammable sprayDo not step or put any- thing on the indoor/out- door unit Replace the 2 batteries with new ones of same typeGround the unit Do not install the unit where flammable gas could leakConsult your dealer for installation of the air conditioner Outdoor unit Name of Each PartIndoor unit Remote controller Mode MIN Open the front lidBreaker for the air conditioner Preparation Before OperaAuto restart function Press the Emergency OPERA- Tion switch AtionTo start operation Press the button.ON/OFF Description of I FEEL... modeFEEL... Auto Operation To stop operation Press the buttonDetails of display on the indoor unit Description of Auto Restart FunctionTo stop operation To select the COOL, DRY or Heat modeManual Operation COOL, D Details of the display on the indoor unit are explained onDRY The humidity at which people feel comfortable RY, HeatCool For effective cooling To change the AIR Flow velocity, press the FAN button Cooling operation, when the air conditioner is opAIR Flow Velocity and Dire Recommended horizontal vane rangeCtion Adjustment Auto air flow direction control operationTo release the OFF timer Press Stop button How to set the on timerSet the time of the timer using the HR. and MIN. buttons Press the Start button during operationClean the air filter and install it in the in- door unit When it is not going to be used for a long timeWhen the air conditioner is to be used again Turn off the breakerCleaning the indoor unit MaintenanceBefore starting maintenance Clean the unit using a soft dry clothRemove the air filter Cleaning the air filter about once every 2 weeksCleaning the deodorizing filter about once every 2 weeks Remove the air cleaning filter White bel- lows type Deodorizing filter replacement about once a yearAir cleaning filter replacement about once every 4 months Remove the deodorizing filter Gray sponge typeCheck the following Following cases, stop operation and consult your dealerWhen YOU Think That Troub Question Answer not a malfunctionBLE has Occurred Electrical work INSTALLATION, Relocation aInstallation place Operating sound considerations Inspection and maintenanceND Inspection RelocationPage Specifications are subject to change without notice

MSZ12UN, MSZ09UN specifications

Mitsubishi Electronics has established itself as a leader in innovative climate control technology, and the MSZ09UN and MSZ12UN air conditioning units exemplify the company's commitment to energy efficiency, advanced technology, and user comfort. Both models are part of the MULTI-ZONE series, designed for residential and commercial spaces seeking an optimal balance between performance and energy savings.

The MSZ09UN, with a cooling capacity of 9,000 BTU, and the MSZ12UN, with a cooling capacity of 12,000 BTU, are ideal for small to medium-sized rooms. Their sleek and modern design allows them to blend seamlessly into any interior, while their quiet operation ensures that occupants can enjoy a comfortable environment without disruptive noise.

One of the standout features of both models is Mitsubishi's advanced inverter technology. This technology allows the units to automatically adjust the compressor's speed to maintain the desired temperature more efficiently. As a result, both units operate with lower energy consumption, which is especially appealing to environmentally conscious consumers. The inverter system not only enhances energy efficiency but also provides faster cooling and heating, ensuring that the desired temperature is reached quickly.

Both the MSZ09UN and MSZ12UN come equipped with a high-efficiency filter that captures dust and allergens, contributing to improved indoor air quality. Some models also feature optional plasma air purification technology, which further enhances air cleanliness by effectively eliminating bacteria and virus particles.

In terms of user convenience, these models offer easy-to-use remote controls, allowing users to adjust settings from a distance. They also support various operational modes, including cooling, heating, dehumidification, and fan-only modes, making them versatile solutions for year-round climate control.

Another notable characteristic is their compatibility with Mitsubishi's Kumo Cloud technology, enabling users to control their units remotely via smartphone apps. This feature provides enhanced convenience, allowing users to monitor and adjust their home's climate from virtually anywhere.

Overall, the Mitsubishi MSZ09UN and MSZ12UN air conditioners represent a perfect blend of technology, efficiency, and user-friendly features, making them excellent choices for anyone seeking reliable climate control solutions for their living or working spaces.
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