Panasonic CS-MKS24NKU, CS-MKS9NKU, CS-MKS18NKU service manual Refrigerant gas leakage may cause fire

Page 48
•Refrigerant gas leakage may cause fire.

CAUTION

To prevent possible hazards from insulation failure, the unit must be grounded.

Do not clean inside the indoor and outdoor units by users. Engage authorized dealer or specialist for cleaning.

In case of malfunction of this appliance, do not repair by yourself. Contact to the sales dealer or service dealer for a repair.

Refrigerant gas leakage may cause fire.

For safety, be sure to turn the air conditioner off and also to

disconnect the power before cleaning.

Pull off the power plug from a receptacle, or switch off the breaker, or switch off the power disconnecting mean to isolate the air conditioner from the main power supply in case of emergency.

Do not turn the air conditioner on and off from the power mains switch. Use the ON/OFF operation button.

Do not stick anything into the air outlet of the outdoor unit.

This is dangerous because the fan is rotating at high speed.

• Do not touch the air inlet or the sharp aluminum fins of the outdoor unit. You may get injured.

Keep the fire alarm and the air outlet at least 1.5m away from the unit.

Do not let children play with the air conditioner.

Do not cool or heat the room too much if babies or invalids are present.

• Do not sit or step on the unit. You may fall down accidentally.

• Do not stick any object into the FAN CASE. You may be injured and the unit may be damaged.

NOTICE

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

FCC Caution: To assure continued compliance, follow the attached installation instructions. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.

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Contents INDOOR UNIT CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKU CS-MKS24NKUTECHNICAL & SERVICE MANUAL DC INVERTER MULTI-SYSTEM AIR CONDITIONERSAFETY PRECAUTIONS If refrigerant gas leaks during the work, ventilate the room Table of Contents 2. SPECIFICATIONS4. REFRIGERANT FLOW DIAGRAM 8. TROUBLESHOOTING BEFORE CALLING FOR SERVICEAPPLICABLE MULTI-OUTDOOR UNITS 1. OPERATING RANGE TemperatureIndoor Air Intake Temp Outdoor Air Intake TempSPECIFICATIONS Unit SpecificationsFeatures Dimensions & WeightFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures 2-2. Major Component Specifications 2-2-1. Indoor UnitControl PCB 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 6-1. Electric Wiring Diagrams 6. ELECTRICAL DATAASSY LAMP7. FUNCTIONS 7-1. Operation FunctionsEmergency operation SENSOR DRYHIGH POWER Timer backupNIGHT SETBACK Lamp colors7-2. Protective Functions Freeze prevention8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8-1. Precautions before Performing Inspection or Repair8-2. Method of Self-Diagnostics PROCEDUREINDOOR UNIT 1 OPERATION lamp 2 TIMER lamp 3 QUIET lamp OPERATION button REMOTE CONTROL receiverDIAGNOSIS CONTENTS INDICATION ON INDOOR UNIT2 If the self-diagnostics function fails to operate No indicators illuminate and the indoor fan does not rotateCheck the power voltage Blown 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 Motor8-5. Noise Malfunction and Electromagnetic Interference Locations most susceptible to noiseTrouble CorrectionPage APPENDIX A Operating Instructions CS-MKS7NKU CS-MKS9NKU CS-MKS12NKUOperating Instructions Split System Air Conditioner CS-MKS7NKU CS-MKS9NKU CS-MKS12NKUCU-3KS19NBU CU-4KS24NBU CU-4KS31NBU Model No Indoor UnitsFEATURES CONTENTSSAFETY PRECAUTIONS PRODUCT INFORMATIONINSTALLATION 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 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 4. Night Setback Mode SettingIn Cooling and DRY Mode and Night Setback Mode is used for saving energy6. HIGH POWER Mode 5. QUIET ModeRemote Controller SPECIAL REMARKS‘‘DRY’’ Operation Cooling OperationSETTING THE TIMER 1. How to set the present timeSETTING THE TIMER CONTINUED REPEAT timerUSING THE 1-HOUR OFF TIMER TIPS FOR ENERGY SAVINGSetting procedure Cancellation procedureADJUSTING THE AIRFLOW DIRECTION OPERATION WITHOUT THE REMOTE CONTROLLER CARE AND CLEANINGCARE AND CLEANING CONTINUED How to remove the filter 1. Grasp both ends of the airfilter 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 TROUBLESHOOTING BEFORE CALLING FOR SERVICE OPERATING RANGETrouble Possible CauseSPECIFICATIONS Model NoIndoor Unit Outdoor UnitAPPENDIX B Operating Instructions CS-MKS18NKU CS-MKS24NKUCS-MKS18NKU CS-MKS24NKUModel No Indoor UnitsFEATURES CONTENTSSAFETY PRECAUTIONS Simple One-touch Remote ControllerINSTALLATION LOCATION SAFETY INSTRUCTIONSELECTRICAL REQUIREMENTS Refrigerant gas leakage may cause fire Air Intakes INDOOR UNIT Air Outlet Remote Controller Drain Hose Remote ControllerNAMES OF PARTS 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 Remote Controller SPECIAL REMARKS‘‘DRY’’ Operation Cooling OperationSETTING THE TIMER 1. How to set the present timeSETTING THE TIMER CONTINUED REPEAT timerUSING THE 1-HOUR OFF TIMER Setting procedureCancellation 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 CONTINUEDTROUBLESHOOTING BEFORE CALLING FOR SERVICE OPERATING RANGETrouble Possible CauseSPECIFICATIONS APPENDIX C INSTALLATION INSTRUCTIONS CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKU CS-MKS24NKUINSTALLATION INSTRUCTIONS Split System Air Conditioner ContentsNOTE External diameter of service port R410A 5/16 For Indoor UnitSPECIAL PRECAUTIONS When TransportingWhen Installing… In Case of Improper InstallationWhen Servicing Others‡ &KHFNFDUHIXOO\IRUOHDNVEHIRUHVWDUWLQJWKHWHVWUXQ 1. General 1-1. Tools Required for Installation not supplied1-2. Accessories Supplied with Unit Table obtaining wire. Also, check2. Installation Site Selection 1-5. Additional Materials Required for Installation2-1. Indoor Unit AVOID2-2. Embedding the Tubing and Wiring 3. How to Install the Indoor Unit trical wiring or conduits are3-1. Remove the Rear Panel from the Unit 3-2. Make a Hole3-3. Install the Rear Panel on the Wall a If Wooden Wallb If Block, Brick, Concrete or Similar Type Wall Fig. 13a3-4. Removing and Installing the Grille 3-4-1. Indoor unit types 3-4-2. Indoor unit types CS-MKS18NKU, CS-MKS24NKU Fig. 19b-1Fig. 16a-1 Fig. 16b-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 WARNING Loose wiring may cause the terminal to overheat or result How to connect wiring to the terminal a For Indoor Unitb For Outdoor Unit  For solid core wiring or F-cable  For stranded wiring3-8. Mounting  Right-side tubingFig. 37a Fig. 37bSwitching drain hose and drain cap  Left-side tubingDrain hose Drain capDo not supply power to the tubing and wiring to the outTo unmount indoor unit 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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CS-MKS18NKU, CS-MKS9NKU, CS-MKS24NKU specifications

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