Mitsubishi Electronics MSZ-FD25VAS, MSZ-FD35VAS service manual Daytime

Page 16

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

display

Indoor unit NOTE

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. 3 : 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

16

Image 16
Contents MSZ-FD25VA E1 MSZ-FD25VAS E1 MSZ-FD35VA E1 MSZ-FD35VAS E1 Page Technical Changes Part Names and Functions See control operationSpecifications and rating conditions of main electric parts SpecificationIndoor model Noise Criteria Curves MSZ-FD25VA MSZ-FD25VASWiring Diagram Outlines and DimensionsUnit mm Refrigerant System Diagram Unit mmService Functions Timer Short ModeP.C. Board Modification for Individual Operation J1 J2Auto Restart Function Remote ControllerOperation Microprocessor Control OPERATE/STOPAuto Change Over ··· Auto Mode Operation Cool OperationDRY Operation Heat OperationOutdoor Unit MXZ series Auto Vane OperationHorizontal vane Vertical vane COOL/DRY HeatSee Control Operation Area SettingSee Sensor Daytime Plasma Operation Operation and operating rangeTimer Operation Clean OperationProgram Timer Emergency Operation switch E.O.SW Minute Time Delay OperationEMERGENCY/TEST Operation Troubleshooting Failure Mode Recall Function OFFFlow chart of Plasma operation failure mode recall function Plasma operation checkIndoor unit failure mode table Plasma operation failure mode tableInstruction of Troubleshooting StartTroubleshooting Check Table An abnormality other than above mentioned is detectedPlasma Trouble Criterion of Main Parts Troubleshooting Flow Power lamp flashes 3-time Indoor fan does not operateYes Check of indoor P.C. board and indoor fan motor How to check miswiring and serial signal error Check of installation of the horizontal vane Electromagnetic noise enters into TV sets or radios Indoor electronic control P.C. board Test Point Diagram and VoltageSW P.C. Board CN1 Disassembly Instructions Removing the panel PhotoPower monitor receiver Removing the electrical box Photo Removing the nozzle assembly PhotoRemoving the vertical vane motor unit Photo Removing the horizontal vane motor Photo Removing the indoor fan motor and the line flow fan PhotoSpecifications subject to change without notice