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