Mitsumi electronic PLA-A30AA, PLA-A42AA, PLA-A36AA, PLA-A12AA, PLA-A24AA, PLA-A18AA Display Section

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Wired remote controller

Display Section

For purposes of this explanation,

Day-of-Week

all parts of the display are shown

Shows the current day of the week.

as lit. During actual operation, only

 

the relevant items will be lit.

Time/Timer Display

Shows the current time, unless the simple or Auto Off timer is set.

If the simple or Auto Off timer is set, the time to be switched off is shown.

Identifies the current operation

Shows the operating mode, etc. *Multilanguage display is available.

 

TIME SUN MON TUE WED THU FRI SAT

 

TIMER

Hr

ON

 

AFTER

AFTER

OFF

 

ERROR CODE

 

FUNCTION

 

˚F˚C

 

FILTER

“Centrally Controlled” indicator

˚F˚C

 

 

WEEKLY

Indicates that operation from the

ONLY1Hr.

 

SIMPLE

 

AUTO OFF

remote controller has been prohib-

 

 

 

ited by a master controller.

 

 

 

 

 

Up/Down Air Direction indica-

 

Room Temperature display

“Timer is Off” indicator

 

 

 

 

tor

 

Shows the room temperature. The room

 

 

 

 

Shows the direction of the

 

temperature display range is 46–102°F.

Indicates that the timer is off.

 

 

 

outcoming airflow.

 

The display blinks if the temperature

 

 

 

 

 

 

 

is less than 46°F or 102°F or more.

 

 

 

 

 

“One Hour Only” indicator

 

Louver display

 

 

 

 

 

Displayed if the airflow is set to

 

Temperature Setting

 

 

 

Low or downward during COOL

 

Indicates the action of the swing louver.

 

 

 

or DRY mode. (Operation varies

 

Does not appear if the louver is not

Shows the target temperature.

 

 

 

according to model.)

 

running.

 

 

 

 

 

The indicator goes off in one hour,

 

(Power On indicator)

 

 

 

 

 

at which time the airflow direction

 

 

 

 

 

 

also changes.

 

Indicates that the power is on.

“Sensor” indication

Displayed when the remote controller sensor is used.

“Locked” indicator

Indicates that remote controller but- tons have been locked.

“Clean The Filter” indicator

To be displayed on when it is time to clean the filter.

Timer indicators

The indicator comes on if the corre- sponding timer is set.

Fan Speed indicator

Shows the selected fan speed.

Ventilation indicator

Appears when the unit is running in Ventilation mode.

Note:

“PLEASE WAIT” message

This message is displayed for approximately 3 minutes when power is supplied to the indoor unit or when the unit is recovering from a power failure.

“NOT AVAILABLE” message

This message is displayed if an invalid button is pressed (to operate a function that the indoor unit does not have).

If a single remote controller is used to operate multiple indoor units simultaneously that are different types, this message will not be displayed as far as any of the indoor units is equipped with the function.

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Contents Contents Revised EDITION-BReference Manual Technical Data BookTechnical Changes PLA-A12AA PLA-A18AA PLA-A24AA PLA-A30AA PLA-A36AA PLA-A42AASafety Precaution Always Observe for SafetyAdditional refrigerant charge Part Names and Functions Indoor UnitDisplay Section Wireless remote controller Specifications Service RefPLA-A24AA/ PLA-A24AA1Single phase,60Hz, 208/230V PLA-A30AA/ PLA-A30AA1Single phase,60Hz, 208/230V PLA-A36AA/ PLA-A36AA1Single phase,60Hz, 208/230VPLA-A42AA/ PLA-A42AA1Single phase,60Hz, 208/230V PLA-A12AA1 Noise Criterion CurvesPLA-A12AA PLA-A36AAOutlines and Dimensions Unit inchmmWiring Diagram Please set the voltage usingRefrigerant System Diagram Heat exchangerTroubleshooting TroubleshootingMALFUNCTION-DIAGNOSIS Method by Remote Controller Case of trouble during operationOutput pattern B Only A-CONTROL Please Wait SELF-DIAGNOSIS Action Table Pipe temperature Cause Countermeasure Freezing/overheating protection isWorking ErrorE0/signal receiving errorE4 Cause Countermeasure Pipe temperature thermistorRemote controller transmission ErrorE3/signal receiving errorE5Remote controller control board Error Signal receiving errorError Transmitting error Indoor controller boardIs off Troubleshooting by Inferior PhenomenaPhenomena Cause Countermeasure Ply system3Upward/downward vane 4Receiver for wireless remoteIs blinking Performance failureEmergency Operation Fan motor MF Thermistor for lower temperature Test Point Diagram Indoor controller board Functions of DIP Switch and Jumper Wire SW2Disassembly Procedure Operating Procedure Photos & IllustrationsRemoving the fan motor Removing the drain pump and drain sensor Wiring Recom QtyPLA-A·AA Functional and Structural Parts PLA-A36AA98 PLA-A42AA 12, 18, 24 Symbol Qty MendedFunctional and Structural Parts PLA-A36AA PLA-A42AA 556RoHS Parts List 30/36/42AA1Functional and Structural Parts WiringSymbol Qty PLA-A18AA1 PLA-A24AA1PLA-A30AA1PLA-A36AA198 RoHS Parts No Parts Name Functional and Structural Parts PLA-A36AA1 PLA-A42AA1 RemarksPage Made in Japan

PLA-A30AA, PLA-A42AA, PLA-A18AA, PLA-A12AA, PLA-A24AA specifications

Mitsumi Electric, a leading manufacturer in the electronic components industry, offers a diverse range of products tailored to meet various application needs. Among the offerings are the PLA series devices: PLA-A36AA, PLA-A24AA, PLA-A12AA, PLA-A18AA, and PLA-A42AA. These components are renowned for their cutting-edge features, robust technologies, and versatile characteristics, making them essential in modern electronics.

The PLA-A36AA is recognized for its high-speed operation and low power consumption, ideal for applications needing efficient energy usage. It features an advanced thermal management system to ensure optimal performance even in high-temperature environments. The integrated circuitry minimizes noise interference, providing clearer signal processing essential for audio and communication devices.

Moving on to the PLA-A24AA, this model stands out due to its compact design and reliability. It is particularly suited for space-constrained applications without compromising performance. The PLA-A24AA employs surface-mount technology, making it easier to integrate into various electronic assemblies. Its enhanced durability against mechanical stress and environmental conditions ensures longevity and stable operation.

The PLA-A12AA is engineered for versatile applications, offering flexibility in various settings, from consumer electronics to industrial machinery. With its user-friendly interface and programmable features, it allows for extensive customization, catering to specific user requirements. Additionally, its energy-efficient design contributes to sustainable practices in electronics manufacturing.

The PLA-A18AA is celebrated for its high-frequency performance, making it a popular choice for telecommunications and data transmission applications. This model incorporates advanced filtering technologies to facilitate reliable signal processing, an essential feature in today's high-speed internet and communication networks.

Finally, the PLA-A42AA combines robust construction with high-performance metrics, designed for heavy-duty applications in automotive and industrial environments. Its resistance to extreme conditions, including temperature fluctuations and vibrations, ensures that it performs reliably under demanding circumstances.

Through a commitment to innovation and quality, Mitsumi Electric’s PLA series exemplifies state-of-the-art technology in electronic components, catering to a broad spectrum of industry needs while promoting efficiency and reliability. These models reflect the evolution of electronic design, adapting to the fast-paced demands of modern technology, making them invaluable assets in any tech-focused endeavor.