Mitsubishi Electronics MSZ-A17NA, MSY-A24NA Check of remote controller and receiver P.C. board

Page 19

Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller.

B Check of remote controller and receiver P.C. board

wCheck if the remote controller is exclusive for this air conditioner.

Switch ON the remote controller.

Is LCD display on the the remote

No

 

controller visible?

 

(not clear)

Yes

Replace the batteries. (Refer to 8-1.4.)

Remove the batteries, then set them back and press RESET button. (Refer to 8-1.4.) Check if the unit operates with the remote controller.

Does the unit operate with the

No

remote controller?

 

Yes

 

OK

 

Turn ON a radio to AM and press switch

ON the remote controller.

No

Is noise heard from radio?

Yes

Replace the remote controller.

Are there any fluorescent lights of

Yes

inverter or rapid-start type within

 

 

 

 

the range of 3.28ft.?

 

 

No

 

 

 

MSZ-A24NA

MSZ-A09/12/15/17NA

MSY-A24NA

MSY-A15/17NA

 

 

 

 

 

 

 

 

 

Measure the voltage between receiver P.C. board connector CN301 No.2(+) and No.3(-) when the remote controller button is pressed.

●Reinstall the unit away from lights.

●Attach a filter on receiving part.

Yes

Is the voltage approx. 4V DC?

No (5V or 0V DC)

Replace the indoor electronic control P.C. board.

Replace the receiver P.C. board.

19

Page 18 Page 20
Image 19
Page 18 Page 20
Contents Revised EDITION-A ContentsTechnical Changes MSY-A15NA MSZ-A24NA MSY-A17NA MSY-A24NA MSZ-A24NA MSY-A24NA AccessoriesPart Names and Functions MSZ-A09NA MSZ-A12NA MSZ-A15NA MSZ-A17NASpecification Outlet AIR Speed and Coverage Range Operating RangeMSZ-A09NA MSY-A15NA MSZ-A12NA MSY-A17NA MSZ-A15NA MSZ-A17NA Outlines and DimensionsUnit inch MSZ-A24NA Wiring Diagram MSZ-A17NA MSY-A17NA Refrigerant System DiagramMSZ-A09NA MSZ-A12NA MSZ-A15NA MSY-A15NAP.C. Board Modification for Individual Operation Service FunctionsTimer Short Mode How to modify the remote controller P.C. boardAuto Restart Function TroubleshootingOperation Outdoor Unit MXZ series Troubleshooting procedureHow to replace batteries Information for Multi System AIR ConditionerThose figures show about MSZ-A09/12/15/17 Failure mode recall functionIndoor unit failure mode table Operation Instruction of troubleshootingIndicates abnormalities Troubleshooting check tableMXZ type Trouble criterion of main partsCheck of indoor fan motor Troubleshooting flowCheck of remote controller and receiver P.C. board Indoor electronic control P.C.Board How to check mis-wiring and serial signal error Electromagnetic noise enters into TV sets or radios SW P.C. board Test point diagram and voltagePower monitor receiver P.C. board Indoor electronic control P.C. boardDisplay P.C. board Receiver Board MSZ-A24NA MSY-24NARemoving the panel Photo Disassembly InstructionsPhoto Removing the electrical box Operating Procedure PhotosMotor band Removing the horizontal vane motor unit PhotoRemoving the indoor fan motor and the line flow Photo FanBoard and the display P.C. board MSZ-A24NA MSY-A24NA Operating Procedure PhotosRemoving the front panel Removing the electronic control P.C. board, the receiverRemoving the line flow fan and the indoor fan motor Removing the vane motorAccessory and Remote Controller Parts ListSleeve Bearing Nozzle AssemblySwitch Holder Bearing MountAIR Cleaning Filter ANTI-ALLERGY Enzyme Filter Grille Front Panel AssemblyCatch Screw CAPIndoor Unit Functional Parts and Electrical Parts AIR Cleaning Filter ANTI-ALLERGY Enzyme Filter Catechin AIR Filter Right AIR Cleaning Filter MAC-415FT-E E12 A54 235 RoHSQty/unit Part name E12 751E12 A56 RoHS Part name E12 A5410 G E12 888 007 Lamp Panel Diagram Symbol Wiring Qty/unit Remarks E1211 G E12 A58 620 Indoor Heat Exchanger Right & Left UP & Down E12 A58 300 Indoor FAN Motor Assembly W111 G E12 408 303 Vane Motor Horizontal MV2 MV1AIR Cleaning Filter ANTI-ALLERGY Enzyme Filter Indoor Unit Display Section Microprocessor ControlFAN d Operation MSY Cool OperationDRY Operation Heat Operation MSZMode selection Auto Change Over ··· Auto Mode Operation MSZFuzzy control Upward Auto Vane OperationMSZ-A09/12/15/17 MSY-A15/17 MSZ-A24 MSY-A24COOL/DRY Heat 3 4 Swing 5Program Timer Timer OperationMade in Japan EMERGENCY/TEST Operation
Related manuals
Manual 48 pages 11.54 Kb Manual 27 pages 7.37 Kb

MSY-A15NA, MSZ-A09NA, MSZ-A17NA, MSZ-A12NA, MSZ-A24NA specifications

Mitsubishi Electronics is a renowned name in the HVAC (heating, ventilation, and air conditioning) industry, known for innovative, efficient air conditioning solutions. The MSY-A17NA, MSY-A24NA, MSZ-A15NA, MSZ-A24NA, and MSZ-A12NA models exemplify this legacy, offering advanced features and cutting-edge technology. These models cater to various room sizes and requirements, providing comfortable and reliable climate control.

The MSY-A series, including the MSY-A17NA and MSY-A24NA, is designed for both cooling and heating. They feature inverter technology, which optimizes energy use by adjusting compressor speed based on demand, resulting in significant energy savings. The units come equipped with high-performance filters that capture dust and allergens, ensuring cleaner air.

Additionally, the MSY models incorporate a quiet operation mode, making them ideal for residential use. The user-friendly remote control allows for easy adjustments, while the programmable timer adds convenience for scheduling operation times to align with the user's lifestyle. Both models are built with durability in mind, featuring rust-resistant cabinets and high-quality components that extend the lifespan of the unit.

On the other hand, the MSZ-A models, which include the MSZ-A15NA, MSZ-A24NA, and MSZ-A12NA, are wall-mounted indoor units that complement the MSY outdoor models. With their sleek design, they blend seamlessly into any interior decor. The MSZ-A units also utilize inverter technology, enhancing energy efficiency and providing fast cooling and heating performance.

One notable feature of the MSZ-A series is the advanced air purification system, which goes beyond standard filtration. It includes technologies that neutralize odors and harmful gases, creating a healthier indoor environment. The models also come with a quiet operation mode, making them suitable for bedrooms and other quiet spaces.

All Mitsubishi MSY and MSZ models have been built with proactive environmental considerations, complying with high energy efficiency standards. They contribute to lower electricity bills and reduced carbon footprints. Furthermore, their compact design ensures easy installation in various settings without sacrificing performance.

In summary, Mitsubishi Electronics' MSY-A17NA, MSY-A24NA, MSZ-A15NA, MSZ-A24NA, and MSZ-A12NA models stand out in the competitive HVAC market. With features like inverter technology, advanced air purification, and user-friendly controls, these air conditioners deliver outstanding performance, comfort, and reliability while promoting energy efficiency and sustainability.
Top Page Image Contents