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Air Conditioner
Panasonic
CS-MKE7NKU, CS-MKE9NKU, CS-MKE18NKU, CS-MKE12NKU, CS-MKE24NKU service manual
Models:
CS-MKE24NKU
CS-MKE12NKU
CS-MKE18NKU
CS-MKE7NKU
CS-MKE9NKU
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Troubleshooting
Specifications
Install
Refrigerant Flow Diagram
Dimension
Wired Remote Controller
If the self-diagnostics function fails to operate
Setting procedure
How to Identify a Serial Communication Error
TIMER lamp
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Contents
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
INDOOR UNIT CS-MKE7NKU CS-MKE9NKU CS-MKE12NKU CS-MKE18NKU
CS-MKE24NKU
Wall Mounted Type Indoor Unit
SAFETY PRECAUTIONS
If refrigerant gas leaks during the work, ventilate the room
8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE
Table of Contents
2. SPECIFICATIONS
4. REFRIGERANT FLOW DIAGRAM
APPLICABLE MULTI-OUTDOOR UNITS
Outdoor Air Intake Temp
1. OPERATING RANGE
Temperature
Indoor Air Intake Temp
Unit Specifications
SPECIFICATIONS
CS-MKE7NKU
Indoor Unit
CS-MKE9NKU
Indoor Unit
CS-MKE9NKU
Indoor Unit
CS-MKE12NKU
Indoor Unit
CS-MKE12NKU
Indoor Unit
CS-MKE18NKU
Indoor Unit
CS-MKE18NKU
Indoor Unit
CS-MKE24NKU
Indoor Unit
CS-MKE24NKU
Indoor Unit
2-2-1. Indoor Unit
2-2. Major Component Specifications
Flap Motor
Indoor Unit CS-MKE9NKU
Control PCB
Fan Motor
Flap Motor
Indoor Unit CS-MKE12NKU
Control PCB
Fan Motor
Flap Motor
Indoor Unit CS-MKE18NKU
Control PCB
Fan Motor
Flap Motor
Indoor Unit CS-MKE24NKU
Control PCB
Fan Motor
Resistance k ohm
2-3. Other Component Specifications
Temperature F C
Temperature F C
CS-MKE9NKU CS-MKE12NKU
3. DIMENSIONAL DATA
CS-MKE24NKU
Indoor Unit CS-MKE18NKU
4-1. Refrigerant Flow Diagram
4. REFRIGERANT FLOW DIAGRAM
5. PERFORMANCE DATA
5-1. Air Throw Distance Charts
Cooling
Cooling
Cooling
Cooling
LAMP
6-1. Electric Wiring Diagrams
6. ELECTRICAL DATA
ASSY
Auto Initial Operation Mode Selection
7. FUNCTIONS
7-1. Operation Functions
Emergency operation
Lamp colors
HIGH POWER
Timer backup
NIGHT SETBACK
Cold-air prevention during heating
7-2. Protective Functions
Overload prevention during heating
Freeze prevention
PROCEDURE
8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE
8-1. Precautions before Performing Inspection or Repair
8-2. Method of Self-Diagnostics
DIAGNOSIS CONTENTS
1 Self-diagnostics Lamps
INDOOR UNIT 1 OPERATION lamp 2 TIMER lamp 3 QUIET lamp
OPERATION button REMOTE CONTROL receiver
Check the indoor unit Is the fuse blown?
2 If the self-diagnostics function fails to operate
No indicators illuminate and the indoor fan does not rotate
Check the power voltage Blown
T-RUN Test run compressor and fan motor turn ON
8-3. Checking the Indoor and Outdoor Units
3 How to Identify a Serial Communication Error
3-2 Condition E12
8-4-1. Indoor Fan Motor
8-4. Trouble Diagnosis of Fan Motor
2 Electromagnetic interference
8-5. Noise Malfunction and Electromagnetic Interference
1 Noise malfunction
Page
CS-MKE7NKU CS-MKE9NKU CS-MKE12NKU
APPENDIX A Operating Instructions
Model No Indoor Units
Operating Instructions Split System Air Conditioner
CS-MKE7NKU CS-MKE9NKU CS-MKE12NKU
CU-3KE19NBU CU-4KE24NBU CU-4KE31NBU
PRODUCT INFORMATION
FEATURES
CONTENTS
SAFETY PRECAUTIONS
ELECTRICAL REQUIREMENTS
INSTALLATION LOCATION
SAFETY INSTRUCTIONS
Refrigerant gas leakage may cause fire
Refrigerant Tubes OUTDOOR UNIT Air Outlet
NAMES OF PARTS
Air Intakes INDOOR UNIT Air Outlet Remote Controller Drain Hose
Remote Controller
UNIT DISPLAY AND OPERATION BUTTON
REMOTE CONTROLLER DISPLAY
REMOTE CONTROLLER
REMOTE CONTROLLER CONTINUED
REMOTE CONTROLLER CONTINUED
USING THE REMOTE CONTROLLER
USING THE REMOTE CONTROLLER CONTINUED
1. Automatic Operation
OPERATION WITH THE REMOTE CONTROLLER
2. Manual Operation
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
3. Adjusting the Fan Speed
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
4. Night Setback Mode
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
6. HIGH POWER Mode
5. QUIET Mode
Clicking Sound
Remote Controller
SPECIAL REMARKS
Heating
1. How to set the present time
SETTING THE TIMER
REPEAT timer
SETTING THE TIMER CONTINUED
Cancellation procedure
USING THE 1-HOUR OFF TIMER
TIPS FOR ENERGY SAVING
Setting procedure
ADJUSTING THE AIRFLOW DIRECTION
CARE AND CLEANING
OPERATION WITHOUT THE REMOTE CONTROLLER
CARE AND CLEANING CONTINUED
Removing and remounting the air intake grille
WIRED REMOTE CONTROLLER
CARE AND CLEANING CONTINUED
When using a footstool or the like, be careful not to let it tip over
Possible Cause
TROUBLESHOOTING BEFORE CALLING FOR SERVICE
OPERATING RANGE
Trouble
SPECIFICATIONS
Page
CS-MKE18NKU CS-MKE24NKU
APPENDIX B Operating Instructions
Indoor Units
CS-MKE18NKU
CS-MKE24NKU
Model No
PRODUCT INFORMATION
FEATURES
CONTENTS
SAFETY PRECAUTIONS
ELECTRICAL REQUIREMENTS
INSTALLATION LOCATION
SAFETY INSTRUCTIONS
Refrigerant gas leakage may cause fire
Refrigerant Tubes OUTDOOR UNIT Air Outlet
Air Intakes INDOOR UNIT Air Outlet Remote Controller Drain Hose
Remote Controller
NAMES OF PARTS
UNIT DISPLAY AND OPERATION BUTTON
24-hour clock with ON/OFF program Timer
REMOTE CONTROLLER DISPLAY
The temperature
REMOTE CONTROLLER
Temperature display
AUTO
REMOTE CONTROLLER CONTINUED
HIGH POWER button
MODE selector button
Use two fresh leak-proof type-AAA alkaline batteries
USING THE REMOTE CONTROLLER
REMOTE CONTROLLER CONTINUED
To take out the remote controller, pull it forward
USING THE REMOTE CONTROLLER CONTINUED
Remote Controller
Rear Side Remote Control Holder
1. Automatic Operation
OPERATION WITH THE REMOTE CONTROLLER
2. Manual Operation
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
3. Adjusting the Fan Speed
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
4. Night Setback Mode
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
5. QUIET Mode
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
6. HIGH POWER Mode
Clicking Sound
Remote Controller
SPECIAL REMARKS
Heating
1. How to set the present time
SETTING THE TIMER
REPEAT timer
SETTING THE TIMER CONTINUED
2. Operation together with the DAILY ON/OFF REPEAT Timer
USING THE 1-HOUR OFF TIMER
Setting procedure
Cancellation procedure
ADJUSTING THE AIRFLOW DIRECTION
CARE AND CLEANING
OPERATION WITHOUT THE REMOTE CONTROLLER
Groove Pin Air intake grille Air intake grille
CARE AND CLEANING CONTINUED
How to remove the filter 1. Grasp both ends of the air
Filter
CARE AND CLEANING CONTINUED
WIRED REMOTE CONTROLLER
Possible Cause
TROUBLESHOOTING BEFORE CALLING FOR SERVICE
OPERATING RANGE
Trouble
CS-MKE24NKU
SPECIFICATIONS
Indoor Unit
CS-MKE18NKU
Page
CS-MKE7NKU CS-MKE9NKU CS-MKE12NKU CS-MKE18NKU CS-MKE24NKU
APPENDIX C INSTALLATION INSTRUCTIONS
For Indoor Unit
INSTALLATION INSTRUCTIONS Split System Air Conditioner
Contents
NOTE External diameter of service port R410A 5/16
In Case of Improper Installation
SPECIAL PRECAUTIONS
When Transporting
When Installing…
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When Servicing
Others
obtaining wire. Also, check
1. General
1-1. Tools Required for Installation not supplied
1-2. Accessories Supplied with Unit Table
AVOID
2. Installation Site Selection
1-5. Additional Materials Required for Installation
2-1. Indoor Unit
2-2. Embedding the Tubing and Wiring
3-2. Make a Hole
3. How to Install the Indoor Unit
trical wiring or conduits are
3-1. Remove the Rear Panel from the Unit
Fig. 13a
3-3. Install the Rear Panel on the Wall
a If Wooden Wall
b If Block, Brick, Concrete or Similar Type Wall
3-4. Removing and Installing the Grille 3-4-1. Indoor unit types
Fig. 19b-1
How to remove the grille
How to replace the grille
3-4-2. Indoor unit types CS-MKE18NKU, CS-MKE24NKU
3-5. Shape the Indoor Side Tubing
3-6. Wiring Instructions General precautions on wiring
Fig. 26b
3-7. Wiring Instructions for Inter-unit Connections
Fig. 26a
For stranded wiring
WARNING Loose wiring may cause the terminal to overheat or result
How to connect wiring to the terminal a For Indoor Unit
b For Outdoor Unit For solid core wiring or F-cable
Fig. 37b
3-8. Mounting
Right-side tubing
Fig. 37a
Drain cap
Switching drain hose and drain cap
Left-side tubing
Drain hose
3-9. Drain Hose
Do not supply power to the
tubing and wiring to the out
To unmount indoor unit
Fig. 59c
4. How to Test Run the Air Conditioner
Fig. 59a Fig. 59b
5. Remote Controller Installation Position
6-1. Address Setting of the Remote Controller
6. Address Switch
8. Installation Check Sheet
7. Connecting a Home Automation Device
Page
DC1111-0
