Mitsubishi Electronics PCA-A24GA Disassembly Procedure, Removing the air intake grille

Page 26

11 DISASSEMBLY PROCEDURE

PCA-A24GA PCA-A30GA

PCA-A36GA

PCA-A42GA

 

PCA-A24GA1PCA-A30GA1

PCA-A36GA1

PCA-A42GA1

 

 

 

 

 

 

OPERATING PROCEDURE

PHOTOS & ILLUSTRATIONS

 

 

 

 

 

 

 

1. Removing the air intake grille

 

Figure 1

 

(1)Slide the intake grille holding 2 knobs backward to open the intake grille.

(2) When the intake grille left open, push the stoppers on the rear 2 hinges to pull out the intake grille.

Intake grille

slide

 

Intake grille

Holding knobs

Hinges

Pull out the intake grille

2. Removing the electrical box

Figure 2

(1)Remove the air intake grille. (See the figure 1)

(2)Remove the screw from the beam and remove the beam.

(3)Remove the screws from the electrical cover, and

remove the electrical cover.

Beam

(4) Disconnect CN6V, CN21 and CN29.

Slide to the left

(5) Remove the screws from the electrical box and pull out

 

the electrical box.

 

<Electrical parts in the electrical box>

Clamp

Terminal block (for indoor / outdoor connecting line)<TB4>

Screw(electrical cover)

Terminal block (for power supply)<TB2>

Electrical cover

Terminal block (for remote controller)<TB5>

 

Fan motor capacitor<C>

Screw(electrical box)

Indoor control board<I.B>

Power board<P.B>

Photo 1

(There might not be TB2 depending on the model.)

 

 

Fan motor

 

capacitor

Power board

 

 

Terminal block

Indoor control

 

(remote control)

board

Terminal block

Terminal block

 

(power supply)

 

(Indoor / outdoor

 

 

 

 

connecting wire)

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Contents PCA-A24GA ContentsRevised EDITION-B PCA-A30GAReference Manual Technical Data BookTechnical Changes Safety Precaution Always Observe for SafetyWhen charging directly from cylinder Additional refrigerant chargePart Names and Functions Indoor UnitDisplay Section Temperature setting display Operation Mode displayMode Select button Timer displayPCA-A30GA, PCA-A30GA1Single phase, 60Hz, 208/230V SpecificationsService Ref PCA-A36GA, PCA-A36GA1Single phase, 60Hz, 208/230VPCA-A30GA1 Noise Criterion CurvesPCA-A24GA1 PCA-A36GA1Outlines and Dimensions PCA-A24GA PCA-A24GA1 PCA-A30GA PCA-A30GA1PCA-A36GA PCA-A42GA PCA-A36GA1 PCA-A42GA1 Unit inchmmWiring Diagram Indoor unit Installation ManualRefrigerant System Diagram Heat exchangerTroubleshooting TroubleshootingSELF-DIAGNOSIS Action Table Working Pipe temperatureCause Countermeasure Freezing/overheating protection is 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 failurePage Vane motor MV Connect to the indoor controller board CN2D Test Point Diagram Between 1 to 3 12.6-13.7V DC Pin1 + PCA-A36GA PCA-A36GA1 Functions of DIP Switch and Jumper Wire ModelsRemoving the air intake grille Disassembly ProcedureOperating Procedure Photos & Illustrations Removing the electrical boxRemoving the sirocco fan Operating ProcedureRemoving the fan motor MF Remove the air intake grilleRemoving the Indoor coil thermistor TH2/TH5 Operating Procedure PhotosRemoving the vane motor MV Removing the Under panelRemove the intake grille. See the figure Removing the drain panRemoving the guide vane Removing the Auto vaneRemoving the heat exchanger R01 29J 130 Parts No Parts Name SpecificationsDrawing No R01 35J 130Structural Part PCA-A24GA PCA-A30GA PCA-A36GA PCA-A42GA Electrical Parts PCA-A24GA PCA-A30GA PCA-A36GA PCA-A42GA Remarks Parts Name SpecificationsRoHS Parts NoStructural Part PCA-A24GA1PCA-A30GA1PCA-A36GA1PCA-A42GA1 RoHS Qty/ set Wiring RecomElectrical Parts PCA-A24GA1PCA-A30GA1PCA-A36GA1PCA-A42GA1
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