Panasonic CS-MKS24NKU, CS-MKS9NKU, CS-MKS18NKU service manual Adjusting The Airflow Direction

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ADJUSTING THE AIRFLOW DIRECTION

1. Horizontal

CAUTION

The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right.

When the humidity is high, the vertical vanes should be in the front position during the cooling or dehumidifying operation. If the vertical vanes are positioned all of the way to the right or left, condensation may begin to form around the air vent and drip down.

2.Vertical The vertical airflow can be adjusted by moving the flap with the remote controller. Do not move the flap with your hands. Confirm that the remote controller has been turned on. Use the FLAP button to set either the sweep function or one of the six airflow direction settings.

COOL

SWEEP

DRY

FAN

A. Sweep function

The flap starts moving up and down to deliver air over the sweep range.

C. Auto flap function

The flap is set to the recommended position.

B. Setting the airflow manually

Referring to the above illustration, use the FLAP button to set the airflow direction within the range used during the cooling or dehumidifying operation.

NOTE

CAUTION

The flap automatically closes when the unit is off.

Use the FLAP button on the remote controller to adjust the position of the flap. If you move the flap by hand, the flap position according to the remote controller and the actual flap position may no longer match. If this should happen, shut off the unit, wait for the flap to close, and then turn on the unit again; the flap position will now be normal again.

Do not have the flap pointed down during cooling operation. Condensation may begin to form around the air vent and drip down.

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Contents TECHNICAL & SERVICE MANUAL INDOOR UNIT CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKUCS-MKS24NKU DC INVERTER MULTI-SYSTEM AIR CONDITIONERSAFETY PRECAUTIONS If refrigerant gas leaks during the work, ventilate the room 4. REFRIGERANT FLOW DIAGRAM Table of Contents2. SPECIFICATIONS 8. TROUBLESHOOTING BEFORE CALLING FOR SERVICEAPPLICABLE MULTI-OUTDOOR UNITS Indoor Air Intake Temp 1. OPERATING RANGETemperature Outdoor Air Intake TempFeatures SPECIFICATIONSUnit Specifications Dimensions & WeightType FeaturesDimensions & Weight Voltage RatingType FeaturesDimensions & Weight Voltage RatingType FeaturesDimensions & Weight Voltage RatingType FeaturesDimensions & Weight Voltage RatingType FeaturesDimensions & Weight Voltage RatingType FeaturesDimensions & Weight Voltage RatingType FeaturesDimensions & Weight Voltage RatingType FeaturesDimensions & Weight Voltage RatingType Control PCB 2-2. Major Component Specifications2-2-1. Indoor Unit Fan MotorIndoor Unit CS-MKS9NKU Indoor Unit CS-MKS12NKU Indoor Unit CS-MKS18NKU Indoor Unit CS-MKS24NKU 2-3. Other Component Specifications Resistance k ohmTemperature F C 3. DIMENSIONAL DATA CS-MKS9NKU CS-MKS12NKUCS-MKS24NKU CS-MKS18NKU4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram5-1. Air Throw Distance Charts 5. PERFORMANCE DATACS-MKS9NKU Room air temp. 80F 26.7C Cooling Cooling Cooling ASSY 6-1. Electric Wiring Diagrams6. ELECTRICAL DATA LAMPEmergency operation 7. FUNCTIONS7-1. Operation Functions SENSOR DRYNIGHT SETBACK HIGH POWERTimer backup Lamp colors7-2. Protective Functions Freeze prevention8-2. Method of Self-Diagnostics 8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE8-1. Precautions before Performing Inspection or Repair PROCEDUREDIAGNOSIS CONTENTS INDOOR UNIT 1 OPERATION lamp 2 TIMER lamp 3 QUIET lampOPERATION button REMOTE CONTROL receiver INDICATION ON INDOOR UNITCheck the power voltage Blown 2 If the self-diagnostics function fails to operateNo indicators illuminate and the indoor fan does not rotate Check the indoor unit Is the fuse blown?8-3. Checking the Indoor and Outdoor Units T-RUN Test run compressor and fan motor turn ON3 How to Identify a Serial Communication Error Timer3-2 Condition E12 8-4. Trouble Diagnosis of Fan Motor 8-4-1. Indoor Fan MotorTrouble 8-5. Noise Malfunction and Electromagnetic InterferenceLocations most susceptible to noise CorrectionPage APPENDIX A Operating Instructions CS-MKS7NKU CS-MKS9NKU CS-MKS12NKUCU-3KS19NBU CU-4KS24NBU CU-4KS31NBU Operating Instructions Split System Air ConditionerCS-MKS7NKU CS-MKS9NKU CS-MKS12NKU Model No Indoor UnitsSAFETY PRECAUTIONS FEATURESCONTENTS PRODUCT INFORMATIONINSTALLATION LOCATION SAFETY INSTRUCTIONSELECTRICAL REQUIREMENTS Refrigerant gas leakage may cause fire Remote Controller NAMES OF PARTSAir Intakes INDOOR UNIT Air Outlet Remote Controller Drain Hose Refrigerant Tubes OUTDOOR UNIT Air OutletUNIT DISPLAY AND OPERATION BUTTON REMOTE CONTROLLER DISPLAY REMOTE CONTROLLER REMOTE CONTROLLER CONTINUED SWEEPUSING THE REMOTE CONTROLLER USING THE REMOTE CONTROLLER CONTINUED OPERATION WITH THE REMOTE CONTROLLER 1. OperationOPERATION WITH THE REMOTE CONTROLLER CONTINUED 2. Adjusting the Fan Speed3. Fan Only In Cooling and DRY Mode and 4. Night Setback ModeSetting Night Setback Mode is used for saving energy6. HIGH POWER Mode 5. QUIET Mode‘‘DRY’’ Operation Remote ControllerSPECIAL REMARKS Cooling OperationSETTING THE TIMER 1. How to set the present timeSETTING THE TIMER CONTINUED REPEAT timerSetting procedure USING THE 1-HOUR OFF TIMERTIPS FOR ENERGY SAVING Cancellation procedureADJUSTING THE AIRFLOW DIRECTION OPERATION WITHOUT THE REMOTE CONTROLLER CARE AND CLEANINGfilter CARE AND CLEANING CONTINUEDHow to remove the filter 1. Grasp both ends of the air Groove Pin Air intake grilleWIRED REMOTE CONTROLLER When using a footstool or the like, be careful not to let it tip overWashing the grille with water Trouble TROUBLESHOOTING BEFORE CALLING FOR SERVICEOPERATING RANGE Possible CauseIndoor Unit SPECIFICATIONSModel No Outdoor UnitAPPENDIX B Operating Instructions CS-MKS18NKU CS-MKS24NKUModel No CS-MKS18NKUCS-MKS24NKU Indoor UnitsSAFETY PRECAUTIONS FEATURESCONTENTS Simple One-touch Remote ControllerINSTALLATION LOCATION SAFETY INSTRUCTIONSELECTRICAL REQUIREMENTS Refrigerant gas leakage may cause fire NAMES OF PARTS Air Intakes INDOOR UNIT Air Outlet Remote Controller Drain HoseRemote Controller Refrigerant Tubes OUTDOOR UNIT Air OutletUNIT DISPLAY AND OPERATION BUTTON REMOTE CONTROLLER DISPLAY REMOTE CONTROLLER REMOTE CONTROLLER CONTINUED USING THE REMOTE CONTROLLER REMOTE CONTROLLER CONTINUEDUSING THE REMOTE CONTROLLER CONTINUED OPERATION WITH THE REMOTE CONTROLLER 1. OperationOPERATION WITH THE REMOTE CONTROLLER CONTINUED 2. Adjusting the Fan Speed3. Fan Only OPERATION WITH THE REMOTE CONTROLLER CONTINUED 4. Night Setback ModeOPERATION WITH THE REMOTE CONTROLLER CONTINUED 6. HIGH POWER Mode5. QUIET Mode ‘‘DRY’’ Operation Remote ControllerSPECIAL REMARKS Cooling Operation SETTING THE TIMER 1. How to set the present timeSETTING THE TIMER CONTINUED REPEAT timerCancellation procedure USING THE 1-HOUR OFF TIMERSetting procedure 2. Operation together with the DAILY ON/OFF REPEAT TimerADJUSTING THE AIRFLOW DIRECTION OPERATION WITHOUT THE REMOTE CONTROLLER Groove Pin Air intake grille Air intake grille WIRED REMOTE CONTROLLER CARE AND CLEANING CONTINUEDTrouble TROUBLESHOOTING BEFORE CALLING FOR SERVICEOPERATING RANGE Possible CauseIndoor Unit APPENDIX C INSTALLATION INSTRUCTIONS CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKU CS-MKS24NKUNOTE External diameter of service port R410A 5/16 INSTALLATION INSTRUCTIONS Split System Air ConditionerContents For Indoor UnitWhen Installing… SPECIAL PRECAUTIONSWhen Transporting In Case of Improper InstallationWhen Servicing Others‡ &KHFNFDUHIXOO\IRUOHDNVEHIRUHVWDUWLQJWKHWHVWUXQ 1-2. Accessories Supplied with Unit Table 1. General1-1. Tools Required for Installation not supplied obtaining wire. Also, check2-1. Indoor Unit 2. Installation Site Selection1-5. Additional Materials Required for Installation AVOID2-2. Embedding the Tubing and Wiring 3-1. Remove the Rear Panel from the Unit 3. How to Install the Indoor Unittrical wiring or conduits are 3-2. Make a Holeb If Block, Brick, Concrete or Similar Type Wall 3-3. Install the Rear Panel on the Walla If Wooden Wall Fig. 13a3-4. Removing and Installing the Grille 3-4-1. Indoor unit types Fig. 16a-1 Fig. 16b-1 3-4-2. Indoor unit types CS-MKS18NKU, CS-MKS24NKUFig. 19b-1 Fig. 17a-1 Fig. 17b-13-6. Wiring Instructions General precautions on wiring 3-5. Shape the Indoor Side Tubing3-7. Wiring Instructions for Inter-unit Connections Fig. 26aFig. 26b b For Outdoor Unit  For solid core wiring or F-cable WARNING Loose wiring may cause the terminal to overheat or resultHow to connect wiring to the terminal a For Indoor Unit  For stranded wiringFig. 37a 3-8. Mounting Right-side tubing Fig. 37bDrain hose Switching drain hose and drain cap Left-side tubing Drain capTo unmount indoor unit Do not supply power to thetubing and wiring to the out 3-9. Drain Hose4. How to Test Run the Air Conditioner Fig. 59a Fig. 59bFig. 59c 5. Remote Controller Installation Position 6. Address Switch 6-1. Address Setting of the Remote Controller7. Connecting a Home Automation Device 8. Installation Check SheetPage DC1111-0
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