Mitsubishi Electronics Mitsubishi Air Conditioner Operating Procedures, Part Lists, and Manual for MSY-A24NA and Related Models

Page 28

9-2.MSZ-A24NA MSY-A24NA

 

OPERATING PROCEDURE

 

PHOTOS

1. Removing the front panel

Photo 1

 

 

 

Front panel

 

(1)

Remove the screw caps of the front panel.

 

 

 

Remove the screws.

 

 

 

 

(2)

Pull the panel down to your side slightly and unhook the

 

 

 

 

 

catches at the top.

 

 

 

 

 

 

 

Screws

 

 

 

Corner box

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Removing the electronic control P.C. board, the receiver

Photo 2

 

 

Screw of the ground wire

P.C. board and the display P.C. board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1)

Remove the front panel. (Refer to 1.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor

(2)

Remove the corner box

 

 

 

 

electronic

 

 

 

 

(3)

Remove the screw of the electrical cover.

 

 

 

 

control

 

 

 

 

 

Remove the electrical cover and T.B. SW cover.

 

 

 

 

P.C. board

 

 

 

 

(4)

Remove the screw of the ground wire, which is solder-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

mounted to the electronic control P.C. board.

 

 

 

 

 

 

 

 

 

 

(5)

Remove the R.L holder.

 

 

 

 

 

 

 

 

 

 

(6)

Remove the screw of the conduit cover.

 

 

 

 

T.B. SW cover

 

 

 

 

 

 

 

 

 

 

 

 

 

(7)Remove the conduit cover.

(8)While pulling the electronic control P.C. board forward little

by little, disconnect all the connectors from the board.

 

 

 

 

 

 

Screw of

 

 

 

 

 

 

T.B. SW cover

(9) Remove the electronic control P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(10) Open the R.L holder, remove the receiver P.C. board and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Screw of the

the display P.C. board.

 

 

 

 

 

 

electrical cover

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Conduit cover

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Receiver

 

 

 

 

 

 

 

P.C. board

 

 

R.L

Screw of

 

 

 

 

 

 

 

 

 

 

holder

conduit cover

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Removing the electrical box

Photo 3

 

 

 

 

 

 

 

 

 

 

 

Screw of the

 

 

 

 

 

 

 

 

 

 

(1) Remove the front panel. (Refer to 1.)

 

 

 

 

ground wire

 

 

 

(2) Remove the electrical cover. (Refer to 2.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3)Disconnect the connector of the indoor coil thermistors.

(4)Disconnect the indoor fan motor connector (CN211) and the vane motor connector (CN151 and CN152) on the electronic control P.C. board.

(5)Remove the screw of ground wire to the heat exchanger.

(6)Remove the fan motor lead wire and indoor coil thermistor from the electrical box.

(7)Remove the lead wire of vane motor from the bottom of

electrical box.

Screw of the

(8) Remove the screw fixing the electrical box and remove the

electrical box

electrical box.

 

 

28

Image 28
Contents Contents Revised EDITION-BTechnical Changes Part Names and Functions Specification Operating Range Outlet AIR Speed and Coverage RangeMSZ-A09NA MSY-A15NA MSZ-A12NA MSY-A17NA MSZ-A15NA MSZ-A17NA Outlines and DimensionsUnit inch MSZ-A24NA Wiring Diagram Refrigerant System Diagram MSZ-A09NA MSZ-A12NAMSZ-A15NA MSY-A15NA MSZ-A17NA MSY-A17NAService Functions Timer Short ModeHow to modify the remote controller P.C. board P.C. Board Modification for Individual OperationAuto Restart Function TroubleshootingOperation Troubleshooting procedure How to replace batteriesInformation for Multi System AIR Conditioner Outdoor Unit MXZ seriesFailure mode recall function Those figures show about MSZ-A09/12/15/17Indoor unit failure mode table Instruction of troubleshooting OperationTroubleshooting check table Indicates abnormalitiesTrouble criterion of main parts MXZ typeTroubleshooting flow Check of indoor fan motorCheck 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 Test point diagram and voltage Power monitor receiver P.CIndoor electronic control P.C. board BoardMSZ-A24NA MSY-24NA Display P.C. board Receiver BoardRemoving the panel Photo Disassembly InstructionsMSZ-A09/12/15/17NA MSY-A15/17NA Operating Procedure Photos Photo Removing the electrical boxRemoving the horizontal vane motor unit Photo Removing the indoor fan motor and the line flow PhotoFan Motor bandMSZ-A24NA MSY-A24NA Operating Procedure Photos Removing the front panelRemoving the electronic control P.C. board, the receiver Board and the display P.C. boardRemoving the vane motor Removing the line flow fan and the indoor fan motorParts List Accessory and Remote ControllerNozzle Assembly Switch HolderBearing Mount Sleeve BearingAIR Cleaning Filter ANTI-ALLERGY Enzyme Filter Front Panel Assembly CatchScrew CAP GrilleIndoor Unit Functional Parts and Electrical Parts AIR Cleaning Filter ANTI-ALLERGY Enzyme Filter Remote Controller KM07L Remote Controller KM07JQty/unit RoHS E12 751 509E12 001 504 E12 897 702RoHS Part name E12 A54 E12 A563PCS/ SET 4PCS/ SET11 G E12 A58 620 Indoor Heat Exchanger E12 A58 300 Indoor FAN Motor Assembly W1 Remote Controller KM07KRemote Controller KM07M 11 G E12 408 303 Vane Motor HorizontalAIR Cleaning Filter ANTI-ALLERGY Enzyme Filter Microprocessor Control Indoor Unit Display SectionCool Operation DRY OperationHeat Operation MSZ FAN d Operation MSYMode selection Auto Change Over ··· Auto Mode Operation MSZFuzzy control Auto Vane Operation MSZ-A09/12/15/17 MSY-A15/17MSZ-A24 MSY-A24 Upward3 4 Swing 5 COOL/DRY HeatTimer Operation Program TimerChanging temperature indication F/C EMERGENCY/TEST OperationMSZ-ANA MSY-ANA Made in Japan
Related manuals
Manual 48 pages 59.2 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.

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