Mitsubishi Electronics PKH18FL, PKH36FL, PKH24FL, PKH30FL service manual Part Names and Functions

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PART NAMES AND FUNCTIONS

Wireless remote controller

When cover is open.

OPERATION MODE display

OPERATION MODE display

Operation mode display indicates which op- eration mode is in effect.

display

The vertical direction of air flow is indicated.

display

FAN SPEED display indicates which fan speed has been selected.

ON/OFF button

The unit is turned ON and OFF alternately each time the button is pressed.

FAN SPEED SELECT button

Used to change the fan speed.

MODE SELECT button

Used to switch the operation mode between cooling, drying, fan.

CHECK-TEST RUN button

Only press this button to perform an inspec- tion check or test operation.

Do not use it for normal operation.

VANE CONTROL button

Used to change the air flow direction.

CHECK TESTRUN display

CHECK&TEST RUN display indicates that the unit is being checked or test-run.

MODEL SELECT display

Blinks when model is selected.

COOL CHECK

TEST

˚F

MODEL

RUN

˚C

DRY SELECT

 

STOP AMPM

AUTO FAN

SWING

 

FAN

START AMPM

 

HEAT NOT AVAILABLE

 

ON/OFF TEMP

 

FAN

AUTO STOP

MODE

VANE

AUTO START

CHECK

LOUVER

h

TEST RUN

 

min

SET

RESET CLOCK

display

Lights up while transmission to the indoor unit is mode using switches.

88°F display

SET TEMP. display indicates desired temper- ature set.

CLOCK display

Displays the current time.

TIMER display

Displays when in timer operation or when setting timer.

” “ ” display

Displays the order of timer operation.

” “” display

Displays whether timer is on or off.

button

SET TEMPERATURE button sets any desired room temperature.

TIMER CONTROL buttons

AUTO STOP (OFF timer): when this switch is set, the air conditioner will be au- tomatically stopped at the preset time.

AUTO START (ON timer): when this switch is set, the air conditioner will be automatical- ly started at the preset time.

h and min buttons

Buttons used to set the “hour and minute” of the current time and timer settings.

LOUVER button

This switch the horizontal fan motion ON and OFF.

(Not available for this model.)

CLOCK button

RESET button

SET button

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Contents Revised EDITION-A ContentsFeatures Part Names and Functions Models PKH18FL, PKH24FL, PKH30FL, PKH36FL SpecificationsModels PKH18FL, PKH24FL, PKH30FL, PKH36FL Performance Data DataHeating Capacity Performance Curve PKH18FLPKH24FL PKH36FL PKH18FL Cooling Mode Heating ModeCondensing Pressure and Suction Pressure Indoor DB temperature F 80 psi.G Pressure Suction PKH24FL Cooling ModePKH30FL Cooling Mode PKH36FL Cooling Mode SHF PKH18FL PKH24FL PKH30FL PKH36FL Standard Operation DataOperating Range Outlet AIR Speed and Coverage RangeWith wind baffle D.B F if no wind baffle Band Center FREQUENCIES, Hz Noise Criterion CurvesPKH30FL PKH36FLOutlines PKH24FLUnit inch Inch PKH36FL PKH30FLRefrigerant System Diagram Wireless Remote ControllerPKH18FL PKH24FL PKH30FL PKH36FL Models PKH18FL, PKH24FL, PKH30FL, PKH36FL Wiring Diagram Wiring DiagramMain Operation Operation FLOW-CHARTCooling Operation YES DRY OperationYES FAN Speed no Heating OperationOutline of Microprocessor Control Microprocessor ControlCool operation Cool operation time chartHow to operate Indoor Unit ControlTermination conditions Compressor controlStart condition Coil frost protectionAuto Return Auto vane controlDetecting abnormalities in the outdoor unit DRY operation DRY operation time chart How to operateFan control in DRY operation Heat operation time chart How to operate Heat operationDisplay in Heat operation Overheat protection Booster heater controlOverheat prevention Defrosting operation Indoor coil temperature abnormality detectionInitial mode Mode changeTemperature range Auto vane control COOL/DRY operationAuto return Timer operation Timer functionTest run Before emergency operation Emergency operationOn remote controller board On indoor controller board Dip switch and jumper connector functionsIndoor FAN Control Model No Wireless remote controller pair number setting operationSelf-check TroubleshootingOther Troubles and Causes Between remote controller and indoor unit Wrong Wiring on SiteCheck points HOW to Check the PartsPhoto Disassembly ProcedureOperating Procedure PHOTOS&ILLUSTRATION Indoor unit PKH24FLRemoving the vane motor Removing the intake grillesRemoving the drain pan Operating Procedure Photos Removing the line flow fan and the fan motorRemoving the electrical heater Electrical Parts PKH18FL PKH24FL PKH30FL PKH36FL Parts ListR01 12G 621 Qty / set Wiring Parts No Parts Name SpecificationsT7W E13 T7W E14PKH24FL PKH30FL PKH36FL Structural PartsPage Distributed in Dec No.OC276 New publication, effective Nov Specifications are subject to change without notice