Mitsubishi Electronics MSZ-FD09NA service manual Daytime, Nighttime Cold area, Lighted Not lighted

Page 18

Indoor unit installation location and air-conditioning area

Installed at left

Installed at center

Installed at right

 

LEFT

RIGHT

LEFT

RIGHT

LEFT

RIGHT

·Be sure to set the slide switch inside the remote controller to an appropriate position in accordance with the installed position of the indoor unit. If the switch is not set correctly, the air conditioner may not function properly.

(Refer to "Remote controller in SERVICE FUNCTIONS".)

 

 

 

 

To air-condition mainly

To air-condition the entire room

To air-condition mainly

 

 

 

 

the left area of the room

The horizontal air flow direction and in-

the right area of the room

 

 

 

 

 

door unit display are switched accord-

 

 

 

 

 

 

ing to the room temperature (floor/wall).

 

Remote controller button

Press AREA button

Press AREA button to select AUTO.

Press AREA button

to select LEFT.

to select RIGHT.

 

 

 

 

 

Remote controller display

 

 

 

i-see Sensor operation

 

 

 

Control range

Installed

 

 

 

of horizontal air at center

 

 

 

flow

direction.

 

 

 

 

The

vertical air

 

 

 

 

flow direction

Installed

 

 

 

conforms to the

at left

 

 

 

setting on the

 

 

 

 

remote controller.

 

 

 

 

(The horizontal

 

 

 

 

air

flow direction Installed

 

 

 

is

controlled in

at right

 

 

 

this

range.)

 

 

 

 

Indoor unit

AREA

L R

L R or L R or L R

L R

display

 

 

 

 

Lighted Not lighted

When AREA is set to AUTO

The vertical vane is controlled to maintain uniform temperature in the whole room.

The i-see Sensor moves in a range of 150 degrees detecting floor/wall temperature of 3 areas (left, right, center). Therefore, the detected temperatures may be different from the temperatures measured on commercial thermometers depending on the condition or temperature distribution on the floor and/or wall.

Ex.) In COOL mode

Approx. 150 degrees

Moving of horizontal air flow direction

Daytime

Warm area

Nighttime

Cold area

NOTE Indoor unit display

The indoor unit delivers cold air detecting the warm area in the room.

Indication of AREA setting

 

L AREA R

L AREA R

The horizontal air flow direction changes if i-see Sensor detects approx. 5.4 °F(3 °C) temperature difference.

In AUTO of AREA setting, both right and left lamps are lighted when the room is evenly air-conditioned.

L AREA R

Lighted Not lighted

18

Image 18
Contents MSZ-FD09NA MSZ-FD12NA Specification has been corrected New model Accessories Part Names and FunctionsRemote controller Power supply Phase, Hz 208/230Weight External finish Indoor modelOperating Range Outlet AIR Speed and Coverage RangeAir Outlines and DimensionsUnit inch Air outWiring Diagram Refrigerant System Diagram UnitinchRefrigerant flow in cooling Refrigerant flow in heating How to modify the remote controller P.C. board Service FunctionsTimer Short Mode P.C. Board Modification for Individual OperationHow to release Auto Restart Function Auto Restart FunctionOperation Lamp lights during operation Microprocessor ControlRefer to Lamp blinks in abnormal conditionCool Operation DRY OperationHeat Operation Auto Vane Operation Auto Change Over ··· Auto Mode OperationMode selection Outdoor Unit MXZ series Direction Feet, set the horizontalVertical vane See Sensor Area SettingSee Control Operation Enlarged view of i-see SensorDaytime Nighttime Cold areaLighted Not lighted Operation and operating range Center ·····Program Timer Minute Time Delay Operation Changing temperature indication F/CEMERGENCY/TEST Operation Lead wiring Housing point Troubleshooting procedure TroubleshootingBefore troubleshooting, check the following How to replace batteriesFailure Mode Recall Function OFFIndoor unit failure mode table PowerInstruction of Troubleshooting Troubleshooting Check Table Lighted BlinkingArea R Power Trouble Criterion of Main Parts MSZ-FD09NAMSZ-FD12NA Troubleshooting Flow Check of indoor fan motorPage Replace the horizontal vane motor, How to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios Test Point Diagram and Voltage Indoor electronic control P.C. boardSW P.C. Board Power monitor receiver P.C. board Monitor P.C. board Disassembly Instructions Removing the panel PhotoOperating Procedure Photos Open the rear cover of the power monitor receiver P.CPhoto Removing the vertical vane motor unit Removing the nozzle assemblyRemoving the electrical box Photo Correct positionRemoving the horizontal vane motor Photo Removing the indoor fan motor and the line flow fan PhotoMade in Japan