Mitsubishi Electronics PCA-A24GA service manual Operating Procedure, Removing the fan motor MF

Page 27

OPERATING PROCEDURE

PHOTOS & ILLUSTRATIONS

3. Removing the fan motor <MF>

Photo 2

(1)Remove the intake grille.

(2)Disconnect the fan motor connector.

(3)

Remove the screw for removing the motor support at both

Screws

Motor

set screws

 

 

 

 

left and right side.

 

 

 

(4)

Loosen the set screws at the fan motor side of the con-

 

 

 

 

necting joint.

 

 

 

(5)

Slide the fan motor <MF> to the left side and pull it out.

 

 

 

Motor support

connecting joint

4. Removing the sirocco fan

Photo 3

(1) Remove the air intake grille.

 

(2)Remove 1 beam.

(3)Remove the lower casing while pressing the stoppers at

upper side of the casing.

Motor

Catch

Casing

 

 

Set screw

 

(4)Loosen the set screws at the connecting joint.

(5)Remove the sirocco fan and shaft together by sliding the shaft to the left.

(Note)

Make sure that the upper side casing is snapped to the fan plate securely with catch.

Connecting joint

Shaft

BearingScrews

Sirocco fan

5. Removing the side panel

Figure 3

(1)

Remove the air intake grille.

side panel

(2)

Remove the screw from the side panel, and remove the

 

 

side panel by sliding the panel to the front.

 

sliding the panel to the front

screw

27

Image 27
Contents PCA-A30GA ContentsRevised EDITION-B PCA-A24GATechnical Data Book Technical ChangesReference Manual Always Observe for Safety Safety PrecautionAdditional refrigerant charge When charging directly from cylinderIndoor Unit Part Names and FunctionsDisplay Section Timer display Operation Mode displayMode Select button Temperature setting displayPCA-A36GA, PCA-A36GA1Single phase, 60Hz, 208/230V SpecificationsService Ref PCA-A30GA, PCA-A30GA1Single phase, 60Hz, 208/230VPCA-A36GA1 Noise Criterion CurvesPCA-A24GA1 PCA-A30GA1PCA-A24GA PCA-A24GA1 PCA-A30GA PCA-A30GA1 Outlines and DimensionsUnit inchmm PCA-A36GA PCA-A42GA PCA-A36GA1 PCA-A42GA1Indoor unit Installation Manual Wiring DiagramHeat exchanger Refrigerant System DiagramTroubleshooting TroubleshootingSELF-DIAGNOSIS Action Table Pipe temperature Cause Countermeasure Freezing/overheating protection isWorking ErrorE3/signal receiving errorE5 Cause Countermeasure Pipe temperature thermistorRemote controller transmission ErrorE0/signal receiving errorE4Indoor controller board Error Signal receiving errorError Transmitting error Remote controller control boardPly system Troubleshooting by Inferior PhenomenaPhenomena Cause Countermeasure Is offPerformance failure 4Receiver for wireless remoteIs blinking 3Upward/downward vanePage Vane motor MV Test Point Diagram Between 1 to 3 12.6-13.7V DC Pin1 +Connect to the indoor controller board CN2D PCA-A36GA PCA-A36GA1 Models Functions of DIP Switch and Jumper WireRemoving the electrical box Disassembly ProcedureOperating Procedure Photos & Illustrations Removing the air intake grilleRemove the air intake grille Operating ProcedureRemoving the fan motor MF Removing the sirocco fanRemoving the Under panel Operating Procedure PhotosRemoving the vane motor MV Removing the Indoor coil thermistor TH2/TH5Removing the Auto vane Removing the drain panRemoving the guide vane Remove the intake grille. See the figureRemoving the heat exchanger R01 35J 130 Parts No Parts Name SpecificationsDrawing No R01 29J 130Structural Part PCA-A24GA PCA-A30GA PCA-A36GA PCA-A42GA Electrical Parts PCA-A24GA PCA-A30GA PCA-A36GA PCA-A42GA Parts No Parts Name SpecificationsRoHS RemarksStructural Part PCA-A24GA1PCA-A30GA1PCA-A36GA1PCA-A42GA1 Wiring Recom Electrical Parts PCA-A24GA1PCA-A30GA1PCA-A36GA1PCA-A42GA1RoHS Qty/ set

PCA-A24GA specifications

Mitsubishi Electronics has long been a pioneer in the field of industrial automation, and the PCA-A24GA is a notable addition to its line of high-performance programmable controllers. This compact yet powerful device is designed to optimize processes and increase efficiency across various applications, making it a preferred choice for industries ranging from manufacturing to building automation.

One of the standout features of the PCA-A24GA is its versatility. The controller offers a wide range of input/output (I/O) options, enabling seamless integration with various sensors and actuators. With 24 digital input channels and 16 relay output channels, the PCA-A24GA can handle complex control tasks while maintaining a compact footprint. This flexibility is further enhanced by its support for analog inputs and outputs, allowing for greater precision in monitoring and controlling processes.

The PCA-A24GA is built with cutting-edge technologies that ensure robust performance. It employs Mitsubishi's advanced processing algorithms, which enhance real-time data processing capabilities. This ensures responsive control, reducing lag and improving overall system performance. Additionally, the controller features an intuitive programming environment, making it accessible to both seasoned engineers and those new to automation programming.

Communications are another strong suit of the PCA-A24GA. It offers multiple communication protocols, including Ethernet and RS-232, which allow for easy connectivity to various devices and systems. This ensures that the PCA-A24GA can be integrated into existing networks without significant modifications, facilitating smoother transitions and upgrades.

In terms of reliability and durability, the PCA-A24GA excels. Designed to operate in demanding environments, it is built to withstand temperature fluctuations, vibrations, and dust, which is essential for industrial settings. The controller's long operational life reduces maintenance costs and downtime, contributing to improved productivity.

Energy efficiency is also a key characteristic of the PCA-A24GA. Mitsubishi Electronics has designed this controller with eco-friendly technologies, making it suitable for organizations looking to reduce their carbon footprint while maintaining high levels of productivity.

In summary, the Mitsubishi Electronics PCA-A24GA stands out with its versatile I/O options, advanced processing capabilities, comprehensive communication protocols, and robust build. These features make it an excellent choice for industries seeking reliable and efficient automation solutions, securing Mitsubishi's reputation as a leader in the field.