Mitsumi electronic PLA-A42AA, PLA-A30AA, PLA-A36AA service manual Revised EDITION-B, Contents

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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

SPLIT-TYPE, AIR CONDITIONERS

June 2007

SERVICE MANUAL

No. OC370

REVISED EDITION-B

Indoor unit

[Service Ref.]

[Model names]

PLA-A12AA

PLA-A12AA PLA-A12AA1

PLA-A18AA

PLA-A18AA PLA-A18AA1

PLA-A24AA PLA-A24AA1

PLA-A24AA

PLA-A30AA PLA-A30AA1

PLA-A30AA

PLA-A36AA PLA-A36AA1

PLA-A36AA

PLA-A42AA PLA-A42AA1

PLA-A42AA

 

Revision:

WIRING DIAGRAM has been changed in REVISED EDI- TION-B.

Some descriptions have been modified.

Please void OC370 REVISED EDITION-A.

NOTE:

This manual describes only service data of the indoor units.

RoHS compliant products have <G> mark on the spec name plate.

For servicing RoHS compliant products, refer to the RoHS

PARTS LIST.

Model name indication

ON/OFF TEMP

 

 

CONTENTS

 

 

1. TECHNICAL CHANGES ·············

 

 

2. REFERENCE MANUAL ··············

 

 

3. SAFETY PRECAUTION·············

 

 

4. PART NAMES AND FUNCTIONS ·········

 

 

5. SPECIFICATIONS ················

 

 

6. NOISE CRITERION CURVES ···········

 

 

7. OUTLINES AND DIMENSIONS ··········

 

 

8. WIRING DIAGRAM·················

INDOOR UNIT

 

9. REFRIGERANT SYSTEM DIAGRAM·········

 

 

10. TROUBLESHOOTING ··············

 

 

11. DISASSEMBLY PROCEDURE···········

 

 

12. PARTS LIST ··················

TEMP.

ON/OFF

13. RoHS PARTS LIST ···············

 

 

WIRELESS REMOTE

WIRED REMOTE

3 3 2 2 3

CONTROLLER

CONTROLLER

 

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Contents Revised EDITION-B ContentsTechnical Changes Technical Data BookReference Manual PLA-A12AA PLA-A18AA PLA-A24AA PLA-A30AA PLA-A36AA PLA-A42AAAlways Observe for Safety Safety PrecautionAdditional refrigerant charge Indoor Unit Part Names and FunctionsDisplay Section Wireless remote controller Service Ref SpecificationsPLA-A24AA/ PLA-A24AA1Single phase,60Hz, 208/230V PLA-A36AA/ PLA-A36AA1Single phase,60Hz, 208/230V PLA-A30AA/ PLA-A30AA1Single phase,60Hz, 208/230VPLA-A42AA/ PLA-A42AA1Single phase,60Hz, 208/230V PLA-A12AA Noise Criterion CurvesPLA-A12AA1 PLA-A36AAUnit inchmm Outlines and DimensionsPlease set the voltage using Wiring DiagramHeat exchanger Refrigerant System DiagramTroubleshooting TroubleshootingCase of trouble during operation MALFUNCTION-DIAGNOSIS Method by Remote ControllerOutput pattern B Only A-CONTROL Please Wait SELF-DIAGNOSIS Action Table Cause Countermeasure Freezing/overheating protection is Pipe temperatureWorking Remote controller transmission Cause Countermeasure Pipe temperature thermistorErrorE0/signal receiving errorE4 ErrorE3/signal receiving errorE5Error Transmitting error Error Signal receiving errorRemote controller control board Indoor controller boardPhenomena Cause Countermeasure Troubleshooting by Inferior PhenomenaIs off Ply systemIs blinking 4Receiver for wireless remote3Upward/downward vane Performance failureEmergency Operation Fan motor MF Thermistor for lower temperature Test Point Diagram Indoor controller board SW2 Functions of DIP Switch and Jumper WireOperating Procedure Photos & Illustrations Disassembly ProcedureRemoving the fan motor Removing the drain pump and drain sensor Qty Wiring RecomPLA-A·AA Functional and Structural Parts PLA-A36AA98 PLA-A42AA Mended 12, 18, 24 Symbol Qty556 Functional and Structural Parts PLA-A36AA PLA-A42AA30/36/42AA1 RoHS Parts ListSymbol Qty WiringFunctional and Structural Parts PLA-A18AA1 PLA-A24AA1PLA-A30AA1PLA-A36AA198 RoHS Parts No Parts Name Remarks Functional and Structural Parts PLA-A36AA1 PLA-A42AA1Page 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.