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Panasonic
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Household Appliance
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Air Conditioner
Panasonic
CS-MKE12NB4U, CS-MKE9NB4U, CU-4KE31NBU, CU-4KE24NBU, CU-3KE19NBU, CS-KE18NB4UW, CZ-18BT1U
Models:
CZ-18BT1U
CS-KE18NB4UW
CS-MKE12NB4U
CU-3KE19NBU
CU-4KE24NBU
CU-4KE31NBU
CS-MKE9NB4U
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Troubleshooting
Specification
Install
Refrigerant Flow Diagram
Dimension
Maintenance
Wired Remote Controller
Remedy for symptom 3 to
2If the self-diagnosticsfunction fails to operate
TIMER lamp
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Image 39
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Contents
DC INVERTER MULTI-SYSTEMAIR CONDITIONER
INDOOR UNIT : CS-MKE9NB4U& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U
TECHNICAL & SERVICE MANUAL
SAFETY PRECAUTIONS
which may cause a unit breakdown
6. MAINTENANCE
TABLE OF CONTENTS
2. SPECIFICATIONS
4. REFRIGERANT FLOW DIAGRAM
CZ-RD515U
CZ-RD515U
APPLICABLE MULTI-OUTDOORUNITS
Outdoor Air Intake Temp
1. OPERATING RANGE
Temperature
Indoor Air Intake Temp
2-1-1. Indoor Unit CS-MKE9NB4U& CZ-18BT1U
2. SPECIFICATIONS
2-1.Unit Specifications
Dimensions & Weight Indoor Unit
Type
Dimensions & Weight Indoor Unit
CS-MKE9NB4U& CZ-18BT1U
<208V>
Type
Dimensions & Weight Indoor Unit
2-1-2. Indoor Unit CS-MKE12NB4U& CZ-18BT1U
<230V>
Type
Dimensions & Weight Indoor Unit
CS-MKE12NB4U& CZ-18BT1U
<208V>
Type
Dimensions & Weight Indoor Unit
2-1-3. Indoor Unit CS-KE18NB4UW& CZ-18BT1U
<230V>
Type
Dimensions & Weight Indoor Unit
CS-KE18NB4UW& CZ-18BT1U
<208V>
Fan Motor
2-2.Major Component Specifications
2-2-1.Indoor Unit
Control PCB
Heat Exchanger Coil
Control PCB
Fan Motor
Drain Pump
Heat Exchanger Coil
Control PCB
Fan Motor
Drain Pump
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
2-3.Other Component Specifications
Temperature F C
Temperature F C
Unit inch mm
3. DIMENSIONAL DATA
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U
4-1.Refrigerant Flow Diagram
4. REFRIGERANT FLOW DIAGRAM
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U
5-1.Electric Wiring Diagrams
5. ELECTRICAL DATA
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
Fig.1
6. MAINTENANCE
6-1.Disassembly Procedure
6-1-1.Remove the air intake grill
Fig.8
6-1-3.Remove the ceiling panel
Fig.6
Fig.7
Fig.12
6-1-4.Remove the indoor air temperature sensor
6-1-5.Remove the power box and control box
Fig.10
Screw Ground cable
Fig.13
Fig.14
Fig.15 24
6-1-6.Remove the main body lower section
Fig.17
Fig.18
Fig.20
6-1-8.Remove the drain pump and float switch
6-1-7.Remove the heat exchanger sensor
Fig.19
Fig.25
6-1-9.Remove the turbo fan and fan motor
6-1-10.Remove the heat exchanger
Fig.23
AUTO cooling/heating operation
7. FUNCTIONS
7-1.Operation Functions
Emergency operation
Lamp colors
HIGH POWER
Timer backup
NIGHT SETBACK
Cold-airprevention during heating
7-2.Protective Functions
Overload prevention during heating
Freeze prevention
8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE
8-2.Method of Self-Diagnostics
PROCEDURE
REMOTE CONTROL receiver
1 Self-diagnosticsLamps
TIMER lamp
HIGH POWER lamp
Check the indoor unit Is the fuse blown?
8-3.Checking the Indoor and Outdoor Units
2If the self-diagnosticsfunction fails to operate
Using the TEST/T-RUNterminals
3-1Condition: E01
Before the Operation
Continued from the previous page A
3-2Condition: E12
Diagnostic results
8-4.Trouble Diagnosis of Fan Motor
8-4-1.Indoor Fan Motor
Diagnostic procedure
Trouble
1 Noise malfunction
2 Electromagnetic interference
Locations most susceptible to noise
Page
APPENDIX A
Operating Instructions
CS-MKE9NB4U& CZ-18BT1U CS-MKE12NB4U& CZ-18BT1U
CZ-18BT1U
Split System Air Conditioner
CS-MKE9NB4U CU-3KE19NBU CS-MKE12NB4U CU-4KE24NBU
CU-4KE31NBU
PRODUCT INFORMATION
FEATURES
CONTENTS
SAFETY PRECAUTIONS
Avoid
INSTALLATION LOCATION
SAFETY INSTRUCTIONS
ELECTRICAL REQUIREMENTS
Air Outlet
NAMES OF PARTS
UNIT DISPLAY AND OPERATION BUTTON
Air Intake
Symbols
REMOTE CONTROLLER DISPLAY
CANCEL button SENSOR button
REMOTE CONTROLLER
HIGH POWER button
ON TIME/OFF TIME setting buttons Advance button
HEAT
1 HR. TIMER button 1-HOUROFF TIMER
Temperature setting buttons TEMP
AUTO
HOW TO USE THE REMOTE CONTROLLER
USING THE REMOTE CONTROLLER
HOW TO INSTALL BATTERIES
S/M Single/Multiple switch
STEP STEP
OPERATION WITH THE REMOTE CONTROLLER
1. Automatic Operation
2. Manual Operation
A. Automatic fan speed
3. Adjusting the Fan Speed
5. HIGH POWER Mode
4. Night Setback Mode
1. How to set the present time
SETTING THE TIMER
Power failure during operation
Remote Controller
Operation
2. How to set the OFF time
3. How to set the ON time
4. How to set daily ON/OFF repeat timer
TIPS FOR ENERGY SAVING
USING THE 1-HOUROFF TIMER
ADJUSTING THE AIRFLOW DIRECTION
1. 1-HourOFF Timer
Cleaning the flaps
CARE AND CLEANING
OPERATION WITHOUT THE REMOTE CONTROLLER
When the air conditioner is not running
Air intake grille hinge Safety cord
How to remove the filter
How to remove the air intake grille
Safety cord Air filter
OPERATING RANGE
TROUBLESHOOTING
WIRED REMOTE CONTROLLER
BEFORE CALLING FOR SERVICE
CS-MKE9NB4U
SPECIFICATIONS
Model No
Indoor Unit
APPENDIX B
CS-KE18NB4UW& CZ-18BT1U
Operating Instructions
CU-KE18NKU
CS-KE12NB41
CU-KE12NK1
CS-KE18NB4UW
PRODUCT INFORMATION
FEATURES
CONTENTS
SAFETY PRECAUTIONS
Avoid
INSTALLATION LOCATION
SAFETY INSTRUCTIONS
ELECTRICAL REQUIREMENTS
Air Outlet
NAMES OF PARTS
UNIT DISPLAY AND OPERATION BUTTON
Air Intake
REMOTE CONTROLLER DISPLAY
Symbols
1Operation mode AUTO HEAT MILD DRY COOL FAN
CANCEL button SENSOR button
REMOTE CONTROLLER
HIGH POWER button
ON TIME/OFF TIME setting buttons Advance button
HEAT
1 HR. TIMER button 1-HOUROFF TIMER
Temperature setting buttons TEMP
AUTO
HOW TO USE THE REMOTE CONTROLLER
USING THE REMOTE CONTROLLER
HOW TO INSTALL BATTERIES
S/M Single/Multiple switch
STEP 1 Press the MODE selector button to
OPERATION WITH THE REMOTE CONTROLLER
1. Automatic Operation
2. Manual Operation
3. Adjusting the Fan Speed
6. HIGH POWER Mode
4. Fan Only
5. Night Setback Mode
1. How to set the present time
SETTING THE TIMER
Power failure during operation
Remote Controller
Operation
2. How to set the OFF time
3. How to set the ON time
4. How to set daily ON/OFF repeat timer
TIPS FOR ENERGY SAVING
USING THE 1-HOUROFF TIMER
ADJUSTING THE AIRFLOW DIRECTION
1. 1-HourOFF Timer
Cleaning the flaps
CARE AND CLEANING
OPERATION WITHOUT THE REMOTE CONTROLLER
When the air conditioner is not running
Air intake grille hinge Safety cord
How to remove the filter
How to remove the air intake grille
Safety cord Air filter
OPERATING RANGE
TROUBLESHOOTING
WIRED REMOTE CONTROLLER
BEFORE CALLING FOR SERVICE
Indoor Unit
SPECIFICATIONS
Model No
Outdoor Unit
Model No
SPECIFICATIONS CONTINUED
•For Multiple use
•For Multiple use
Page
APPENDIX C
INSTALLATION INSTRUCTIONS
5.REMOTE CONTROLLER INSTALLATION
Contents
For Indoor Unit
3. HOW TO INSTALL THE INDOOR UNIT
When Transporting
SPECIAL PRECAUTIONS
In Case of Improper Installation
WARNING When Wiring
Others
When Servicing
1-3.Optional Copper Tubing Kit
1. General
1-1.Tools Required for Installation not supplied
1-2.Accessories Supplied with Unit Table
Fig.
2. Installation Site Selection
2-1.Indoor Unit
AVOID
Table
2-2.Embedding the Tubing and Wiring
3-3.Placing the Unit Inside the Ceiling
3. How to Install the Indoor Unit
3-1.Preparation for Suspending
3-2.Suspending the Indoor Unit
Fig.
3-4.Installing the Drain Piping
Do not use natural drainage
Fig.
3-5.Checking the Drainage
utes after the FS 3P connector is reconnected
3-6.How to Install the Ceiling Panel
3-6-1.Before Installing the Ceiling Panel
Fig.
3-6-2.Installing the Ceiling Panel
Fig.
Fig.
A. Attaching the corner cover
3-6-3.Wiring the Ceiling Panel and the Indicator
Fig.
Fig.
General precautions on wiring
3-6-5.Checking After Installation
3-6-7.Adjusting the Auto Flap
3-7.Wiring Instructions
a For Indoor Unit
How to connect wiring to the terminal
For solid core wiring or F-cable
For stranded wiring
4. How to Test Run the Air Conditioner
Fig. Fig
Fig.
Mounting screws 5/32 5/8 4 16 mm included
5. Remote Controller Installation Position
Rear side Remote control holder
5-1.Mounting on a Wall
Fig.
6. Address Switch
6-1.Address Setting of the Remote Controller
Fig.
8. Installation Check Sheet
7. Connecting a Home Automation Device
APPENDIX D
CZ-RD515U
Operating Instructions
Model No. CZ-RD515U
Operating Instructions Wired Remote Controller
PRODUCT INFORMATION
FEATURES
CONTENTS
SAFETY PRECAUTIONS
Avoid
INSTALLATION LOCATION
SAFETY INSTRUCTIONS
ELECTRICAL REQUIREMENTS
Display
REMOTE CONTROLLER
Temperature setting buttons TEMP
Timer and Present Time setting buttons
HEAT
1 HR. TIMER button 1-HOUROFF TIMER
TIMER SELECT button
AUTO
REMOTE CONTROLLER DISPLAY
Symbols
1Operation mode AUTO only for COOL/DRY/HEAT Model
2. Manual Operation
1.Automatic Operation
only for COOL/DRY/HEAT Model
OPERATION WITH THE REMOTE CONTROLLER
Remote Controller
Remote Controller Display
3. Adjusting the Fan Speed
Power failure during operation
2. How to set the OFF time
5. Backup function
SETTING THE TIMER
1. How to set the present time
USING THE 1-HOUROFF TIMER
ADJUSTING THE AIRFLOW DIRECTION
1. 1-HourOFF Timer
Page
APPENDIX E
INSTALLATION INSTRUCTIONS
CZ-RD515U
How to install the remote controller
INSTALLATION INSTRUCTIONS Wired Remote Controller
Parts supplied with the remote controller
Remote controller installation guidelines
Fig. 2-b
A. Installing with in-walljunction box
B. Installing directly onto the wall
Fig. 2-a
Fig. 8-b
How to wire the remote controller
Fig.
Fig. 8-a
Fig. WI1011-0 Printed in China
How to Test Run the Air Conditioner
Fig.
Fig.
Page
DC1111-0