Mitsubishi Electronics MSZ-FD09NA service manual Operating Procedure Photos

Page 37

 

OPERATING PROCEDURE

 

 

 

PHOTOS

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

Photo 2

 

 

 

 

 

 

 

 

 

 

 

power monitor receiver P.C. board, i-see Sensor, SW

 

 

 

 

 

 

 

 

 

 

 

 

 

P.C. board and the terminal block

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Screw of the

 

 

 

 

(1)

Remove the panel (refer to 1.) and the corner box.

 

 

 

 

 

 

 

 

 

 

 

 

 

conduit cover

 

 

 

 

(2)

Remove the screw of the conduit cover. Remove the con-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

duit cover and then the indoor/outdoor connecting wire.

 

 

 

 

 

 

Terminal block

 

 

 

 

 

 

 

 

cover

 

 

(See Photo 2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3)

Remove the sensor holder from the electrical cover. (See

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Photo 3)

 

 

 

 

 

 

 

 

 

 

 

 

 

(4)

Remove the screw of the electrical cover, and then the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

electrical cover. (See Photo 3)

 

 

 

 

 

 

 

 

 

 

 

 

 

(5)

Remove the ground wire connected to the indoor electronic

 

 

 

 

 

 

Conduit cover

 

 

control P.C. board from the electrical box. (See Photo 3.)

 

 

 

 

 

 

 

 

 

 

 

 

 

(6) Remove the power monitor receiver P.C. board holder. (See

 

 

 

 

 

 

 

 

 

 

 

Drain hose

Screws of the

 

 

 

 

 

 

 

 

 

 

Photo 4.)

terminal block

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(7)

Pull out the i-see Sensor from the power monitor receiver

cover

 

 

 

 

 

 

 

 

 

 

 

 

 

P.C. board holder.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

( ) Install the i-see Sensor in its former position when assem-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

bling it. (Refer to Photo 5)

Photo 3

 

 

 

 

 

 

 

 

 

 

 

(8)

Open the rear cover of the power monitor receiver P.C.

 

 

 

 

 

 

 

 

 

 

 

Ground wire to the heat exchanger

 

board holder and pull out the power monitor receiver P.C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

(9)

Open the sensor holder and pull out the SW P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

(10) Pull the electronic control P.C. board slightly toward you

 

 

 

 

 

 

 

 

 

 

 

 

 

 

from the electrical box, and disconnect TAB3 and all the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connectors on the electronic control P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

(11) Pull out the electronic control P.C. board from the electrical

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sensor holder

 

 

 

 

 

 

box.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(12)Remove the ground wire connected to the heat exchanger from the electrical box. (See Photo 3)

(13)

Unhook the catches of the electrical box, and pull out the

 

 

 

Screw of the

 

electrical box.

 

 

 

electrical cover

(14)

Remove the screw of the terminal block cover, and then

 

 

 

 

the terminal block cover and the terminal block holder. (See

 

 

 

Photo 2)

 

 

(15)

Remove the terminal block by sliding it.

Sensor holder (inside)

 

 

Photo 4

 

 

 

 

 

 

 

 

 

 

SW P.C. board

 

 

Catches of the

 

 

Holder

 

 

 

 

 

 

 

 

electrical box

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power monitor receiver

i-see Sensor

 

 

P.C. board holder

 

 

 

37

Page 36 Page 38
Image 37
Page 36 Page 38
Contents MSZ-FD09NA MSZ-FD12NA Specification has been corrected New model Part Names and Functions AccessoriesWeight External finish Power supply Phase, Hz 208/230Remote controller Indoor modelOutlet AIR Speed and Coverage Range Operating RangeUnit inch Outlines and DimensionsAir Air outWiring Diagram Unitinch Refrigerant System DiagramRefrigerant flow in cooling Refrigerant flow in heating Timer Short Mode Service FunctionsHow to modify the remote controller P.C. board P.C. Board Modification for Individual OperationAuto Restart Function How to release Auto Restart FunctionOperation Refer to Microprocessor ControlLamp lights during operation Lamp blinks in abnormal conditionDRY Operation Cool OperationHeat Operation Mode selection Auto Change Over ··· Auto Mode OperationAuto Vane Operation Outdoor Unit MXZ seriesFeet, set the horizontal DirectionVertical vane See Control Operation Area SettingSee Sensor Enlarged view of i-see SensorNighttime Cold area DaytimeLighted Not lighted Center ····· Operation and operating rangeProgram Timer Changing temperature indication F/C Minute Time Delay OperationEMERGENCY/TEST Operation Before troubleshooting, check the following TroubleshootingLead wiring Housing point Troubleshooting procedure How to replace batteriesOFF Failure Mode Recall FunctionPower Indoor unit failure mode tableInstruction of Troubleshooting Lighted Blinking Troubleshooting Check TableArea R Power Trouble Criterion of Main Parts MSZ-FD09NAMSZ-FD12NA Check of indoor fan motor Troubleshooting FlowPage Replace the horizontal vane motor, How to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios Indoor electronic control P.C. board Test Point Diagram and VoltageSW P.C. Board Power monitor receiver P.C. board Monitor P.C. board Removing the panel Photo Disassembly InstructionsOpen the rear cover of the power monitor receiver P.C Operating Procedure PhotosRemoving the electrical box Photo Removing the nozzle assemblyPhoto Removing the vertical vane motor unit Correct positionRemoving the indoor fan motor and the line flow fan Photo Removing the horizontal vane motor PhotoMade in Japan

MSZ-FD09NA specifications

The Mitsubishi Electronics MSZ-FD09NA is a wall-mounted split-type air conditioning unit that exemplifies the brand's commitment to efficiency, comfort, and advanced technology. This unit is designed to provide optimal cooling and heating solutions for residential and light commercial spaces, ensuring a comfortable environment year-round.

One of the standout features of the MSZ-FD09NA is its impressive energy efficiency rating. With a high SEER (Seasonal Energy Efficiency Ratio) rating, it utilizes less energy while maintaining high performance, which can lead to significant cost savings on utility bills. This unit adheres to modern energy conservation standards, making it an environmentally friendly choice that appeals to eco-conscious consumers.

The MSZ-FD09NA is equipped with Mitsubishi’s advanced inverter technology, which allows the compressor to adjust its speed according to the desired temperature. This ensures that energy is used efficiently and that fluctuations in temperature are minimized, resulting in enhanced comfort levels. The inverter technology also helps in reducing noise levels, creating a quieter operation compared to traditional HVAC systems.

Another remarkable characteristic of the MSZ-FD09NA is its sleek and modern design, which seamlessly integrates into various interior décors. The unit is available in a clean white finish, making it an unobtrusive addition to any room. Furthermore, it has a compact design that maximizes floor space while providing powerful performance.

The unit also features cutting-edge air filtration systems designed to purify indoor air. With a multi-stage filtration process, including a catechin filter and an anti-allergen enzyme filter, the MSZ-FD09NA effectively captures dust, allergens, and other airborne particles. This feature is particularly beneficial for those with respiratory issues or allergies, contributing to a healthier living environment.

In addition, the MSZ-FD09NA is compatible with smart control options. Users can control their air conditioner remotely through a smartphone app, making it convenient to adjust settings from anywhere. This smart technology allows for programmable scheduling, enabling users to optimize the unit's operation based on their lifestyle.

In summary, the Mitsubishi Electronics MSZ-FD09NA stands out due to its energy efficiency, advanced inverter technology, modern design, high-quality air filtration, and smart control options, making it an excellent choice for those seeking reliable heating and cooling solutions.
Top Page Image Contents