Mitsubishi Electronics MUZ-FD09NA Disassembly Instructions, Removing the cabinet Photo

Page 32

11 DISASSEMBLY INSTRUCTIONS

<"Terminal with locking mechanism" Detaching points>

The terminal which has the locking mechanism can be detached as shown below. There are two types (refer to (1) and (2)) of the terminal with locking mechanism. The terminal without locking mechanism can be detached by pulling it out.

Check the shape of the terminal before detaching.

(1) Slide the sleeve and check if there is a locking lever or not.

Sleeve

Slide the sleeve.

Pull the terminal while

Locking lever pushing the locking lever.

(2)The terminal with this connector has the locking mechanism.

Hold the sleeve, and pull out the terminal slowly.

Connector

11-1. MUZ-FD09NA MUZ-FD12NA

 

 

NOTE : Turn OFF power supply before disassembling.

 

OPERATING PROCEDURE

 

PHOTOS

1. Removing the cabinet

Photo 1

 

 

(1)

Remove the screw fixing the service panel. (See

 

 

 

 

 

 

Photo 1.)

Screws

 

 

(2)

Pull down the service panel and remove it. (See Photo

Screw of the

Screws of

(3)

1.)

of the top

cabinet

Remove the screws fixing the conduit cover. (See

panel

 

the top panel

 

Photo 2.)

 

 

Back

(4)

Remove the conduit cover. (See Photo 2.)

 

 

(5)

Disconnect the power supply wire and indoor/outdoor

 

 

panel

 

connecting wire.

 

 

 

(6) Remove the screws fixing the top panel. (See Photo 1.)

 

 

Screw of

(7)

Remove the top panel. (See Photo 1.)

 

 

 

 

the service

(8)

Remove the screws fixing the cabinet.

 

 

panel

(9)Remove the cabinet.

(10)Remove the screws fixing the back panel.

(11)Remove the back panel.

Photo 2

Hooks

 

Screw of the

 

 

conduit cover

Service

 

Screws of

 

the cabinet

panel

 

Conduit plate

 

Conduit cover

 

32

Image 32
Contents MUZ-FD09NA MUZ-FD09NA- U1 MUZ-FD12NA MUZ-FD12NA- U1 Specification has been corrected Technical Changes Part Names and FunctionsSpecification MUZ-FD09NA MUZ-FD12NATest condition Operating RangeOutlines and Dimensions Required SpaceWiring Diagram Refrigerant System Diagram UnitinchData Performance Curve Cooling MUZ-FD09NAHeating MUZ-FD12NACondensing Pressure Cooling Condensing pressure65 70F Standard Operation Data MSZ-FD09NA MSZ-FD12NATest RUN Operation How to operate fixed-frequency operation Actuator Control Outdoor FAN Motor ControlR.V. Coil Control Relation Between Main Sensor and ActuatorService Functions TroubleshootingChange in Defrost Setting PRE-HEAT Control SettingFailure Mode Recall Function Operational procedure Outdoor unit failure mode table Troubleshooting Check Table Page Trouble Criterion of Main Parts MUZ-FD09NAMUZ-FD12NA BLK WHT WHT REDHow to check inverter/compressor Check of open phaseTroubleshooting Flow Check of compressorCheck of compressor start failure Check of compressor windingCheck of compressor operation time Unit operates Cool mode even if it is set to Heat mode Unit operates Heat mode even if it is set to Cool modeCheck of outdoor thermistors Check of R.V. coilCheck of power supply Check of outdoor fan motorCheck of LEV Expansion valve Check of inverter P.C. board Emergency OperationHow to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios Outdoor unitTest Point Diagram and Voltage Inverter P.C. boardDisassembly Instructions Removing the cabinet PhotoRemoving the inverter assembly, inverter P.C. board Photo Photo 4 Inverter assemblyPhoto Removing the discharge temperature thermistor Removing R.V. coilRemoving outdoor fan motor Photo Removing the compressor and 4-way valvePage Made in Japan
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Manual 36 pages 16.78 Kb

MUZ-FD09NA- U1, MUZ-FD12NA- U1, MUZ-FD12NA, MUZ-FD09NA specifications

The Mitsubishi Electronics MUZ-FD09NA is a highly efficient and versatile air conditioning unit designed for both residential and light commercial applications. This model is part of Mitsubishi's advanced range of split-system air conditioners which emphasize energy efficiency, comfort, and innovative technology.

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Overall, the Mitsubishi Electronics MUZ-FD09NA combines energy efficiency, advanced technology, and user-friendly features, making it a reliable choice for maintaining a comfortable indoor environment. Whether for residential or light commercial use, this air conditioning unit stands out as an effective solution for climate control needs.