Manuals
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Panasonic
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Household Appliance
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Air Conditioner
Panasonic
CS-MKE9NB4U, CU-4KE31NBU, CU-4KE24NBU, CU-3KE19NBU, CS-MKE12NB4U, CS-KE18NB4UW, CZ-18BT1U
Models:
CZ-18BT1U
CS-KE18NB4UW
CS-MKE12NB4U
CU-3KE19NBU
CU-4KE24NBU
CU-4KE31NBU
CS-MKE9NB4U
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Troubleshooting
Specifications
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 77
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Contents
CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U
INDOOR UNIT : CS-MKE9NB4U& CZ-18BT1U
TECHNICAL & SERVICE MANUAL
DC INVERTER MULTI-SYSTEMAIR CONDITIONER
SAFETY PRECAUTIONS
which may cause a unit breakdown
2. SPECIFICATIONS
TABLE OF CONTENTS
4. REFRIGERANT FLOW DIAGRAM
6. MAINTENANCE
CZ-RD515U
CZ-RD515U
APPLICABLE MULTI-OUTDOORUNITS
Temperature
1. OPERATING RANGE
Indoor Air Intake Temp
Outdoor Air Intake Temp
2-1.Unit Specifications
2. SPECIFICATIONS
Dimensions & Weight Indoor Unit
2-1-1. Indoor Unit CS-MKE9NB4U& CZ-18BT1U
CS-MKE9NB4U& CZ-18BT1U
Dimensions & Weight Indoor Unit
<208V>
Type
2-1-2. Indoor Unit CS-MKE12NB4U& CZ-18BT1U
Dimensions & Weight Indoor Unit
<230V>
Type
CS-MKE12NB4U& CZ-18BT1U
Dimensions & Weight Indoor Unit
<208V>
Type
2-1-3. Indoor Unit CS-KE18NB4UW& CZ-18BT1U
Dimensions & Weight Indoor Unit
<230V>
Type
CS-KE18NB4UW& CZ-18BT1U
Dimensions & Weight Indoor Unit
<208V>
Type
2-2-1.Indoor Unit
2-2.Major Component Specifications
Control PCB
Fan Motor
Fan Motor
Control PCB
Drain Pump
Heat Exchanger Coil
Fan Motor
Control PCB
Drain Pump
Heat Exchanger Coil
Temperature F C
2-3.Other Component Specifications
Temperature F C
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
3. DIMENSIONAL DATA
CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U
Unit inch mm
4. REFRIGERANT FLOW DIAGRAM
4-1.Refrigerant Flow Diagram
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U
5. ELECTRICAL DATA
5-1.Electric Wiring Diagrams
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U
6-1.Disassembly Procedure
6. MAINTENANCE
6-1-1.Remove the air intake grill
Fig.1
Fig.6
6-1-3.Remove the ceiling panel
Fig.7
Fig.8
6-1-5.Remove the power box and control box
6-1-4.Remove the indoor air temperature sensor
Fig.10
Fig.12
Fig.14
Fig.13
Fig.15 24
Screw Ground cable
Fig.18
6-1-6.Remove the main body lower section
Fig.17
6-1-7.Remove the heat exchanger sensor
6-1-8.Remove the drain pump and float switch
Fig.19
Fig.20
6-1-10.Remove the heat exchanger
6-1-9.Remove the turbo fan and fan motor
Fig.23
Fig.25
7-1.Operation Functions
7. FUNCTIONS
Emergency operation
AUTO cooling/heating operation
Timer backup
HIGH POWER
NIGHT SETBACK
Lamp colors
Overload prevention during heating
7-2.Protective Functions
Freeze prevention
Cold-airprevention during heating
PROCEDURE
8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE
8-2.Method of Self-Diagnostics
TIMER lamp
1 Self-diagnosticsLamps
HIGH POWER lamp
REMOTE CONTROL receiver
2If the self-diagnosticsfunction fails to operate
8-3.Checking the Indoor and Outdoor Units
Using the TEST/T-RUNterminals
Check the indoor unit Is the fuse blown?
3-1Condition: E01
Before the Operation
Continued from the previous page A
3-2Condition: E12
8-4-1.Indoor Fan Motor
8-4.Trouble Diagnosis of Fan Motor
Diagnostic procedure
Diagnostic results
2 Electromagnetic interference
1 Noise malfunction
Locations most susceptible to noise
Trouble
Page
CS-MKE9NB4U& CZ-18BT1U CS-MKE12NB4U& CZ-18BT1U
APPENDIX A
Operating Instructions
CS-MKE9NB4U CU-3KE19NBU CS-MKE12NB4U CU-4KE24NBU
Split System Air Conditioner
CU-4KE31NBU
CZ-18BT1U
CONTENTS
FEATURES
SAFETY PRECAUTIONS
PRODUCT INFORMATION
SAFETY INSTRUCTIONS
INSTALLATION LOCATION
ELECTRICAL REQUIREMENTS
Avoid
UNIT DISPLAY AND OPERATION BUTTON
NAMES OF PARTS
Air Intake
Air Outlet
Symbols
REMOTE CONTROLLER DISPLAY
HIGH POWER button
REMOTE CONTROLLER
ON TIME/OFF TIME setting buttons Advance button
CANCEL button SENSOR button
Temperature setting buttons TEMP
1 HR. TIMER button 1-HOUROFF TIMER
AUTO
HEAT
HOW TO INSTALL BATTERIES
USING THE REMOTE CONTROLLER
S/M Single/Multiple switch
HOW TO USE THE REMOTE CONTROLLER
1. Automatic Operation
OPERATION WITH THE REMOTE CONTROLLER
2. Manual Operation
STEP STEP
5. HIGH POWER Mode
3. Adjusting the Fan Speed
4. Night Setback Mode
A. Automatic fan speed
Power failure during operation
SETTING THE TIMER
Remote Controller
1. How to set the present time
3. How to set the ON time
2. How to set the OFF time
4. How to set daily ON/OFF repeat timer
Operation
ADJUSTING THE AIRFLOW DIRECTION
USING THE 1-HOUROFF TIMER
1. 1-HourOFF Timer
TIPS FOR ENERGY SAVING
OPERATION WITHOUT THE REMOTE CONTROLLER
CARE AND CLEANING
When the air conditioner is not running
Cleaning the flaps
How to remove the air intake grille
How to remove the filter
Safety cord Air filter
Air intake grille hinge Safety cord
WIRED REMOTE CONTROLLER
TROUBLESHOOTING
BEFORE CALLING FOR SERVICE
OPERATING RANGE
Model No
SPECIFICATIONS
Indoor Unit
CS-MKE9NB4U
Operating Instructions
APPENDIX B
CS-KE18NB4UW& CZ-18BT1U
CU-KE12NK1
CS-KE12NB41
CS-KE18NB4UW
CU-KE18NKU
CONTENTS
FEATURES
SAFETY PRECAUTIONS
PRODUCT INFORMATION
SAFETY INSTRUCTIONS
INSTALLATION LOCATION
ELECTRICAL REQUIREMENTS
Avoid
UNIT DISPLAY AND OPERATION BUTTON
NAMES OF PARTS
Air Intake
Air Outlet
1Operation mode AUTO HEAT MILD DRY COOL FAN
REMOTE CONTROLLER DISPLAY
Symbols
HIGH POWER button
REMOTE CONTROLLER
ON TIME/OFF TIME setting buttons Advance button
CANCEL button SENSOR button
Temperature setting buttons TEMP
1 HR. TIMER button 1-HOUROFF TIMER
AUTO
HEAT
HOW TO INSTALL BATTERIES
USING THE REMOTE CONTROLLER
S/M Single/Multiple switch
HOW TO USE THE REMOTE CONTROLLER
1. Automatic Operation
OPERATION WITH THE REMOTE CONTROLLER
2. Manual Operation
STEP 1 Press the MODE selector button to
4. Fan Only
6. HIGH POWER Mode
5. Night Setback Mode
3. Adjusting the Fan Speed
Power failure during operation
SETTING THE TIMER
Remote Controller
1. How to set the present time
3. How to set the ON time
2. How to set the OFF time
4. How to set daily ON/OFF repeat timer
Operation
ADJUSTING THE AIRFLOW DIRECTION
USING THE 1-HOUROFF TIMER
1. 1-HourOFF Timer
TIPS FOR ENERGY SAVING
OPERATION WITHOUT THE REMOTE CONTROLLER
CARE AND CLEANING
When the air conditioner is not running
Cleaning the flaps
How to remove the air intake grille
How to remove the filter
Safety cord Air filter
Air intake grille hinge Safety cord
WIRED REMOTE CONTROLLER
TROUBLESHOOTING
BEFORE CALLING FOR SERVICE
OPERATING RANGE
Model No
SPECIFICATIONS
Outdoor Unit
Indoor Unit
•For Multiple use
SPECIFICATIONS CONTINUED
•For Multiple use
Model No
Page
APPENDIX C
INSTALLATION INSTRUCTIONS
For Indoor Unit
Contents
3. HOW TO INSTALL THE INDOOR UNIT
5.REMOTE CONTROLLER INSTALLATION
In Case of Improper Installation
SPECIAL PRECAUTIONS
WARNING When Wiring
When Transporting
Others
When Servicing
1-1.Tools Required for Installation not supplied
1. General
1-2.Accessories Supplied with Unit Table
1-3.Optional Copper Tubing Kit
2-1.Indoor Unit
2. Installation Site Selection
AVOID
Fig.
Table
2-2.Embedding the Tubing and Wiring
3-1.Preparation for Suspending
3. How to Install the Indoor Unit
3-2.Suspending the Indoor Unit
3-3.Placing the Unit Inside the Ceiling
Do not use natural drainage
3-4.Installing the Drain Piping
Fig.
Fig.
3-6.How to Install the Ceiling Panel
utes after the FS 3P connector is reconnected
3-6-1.Before Installing the Ceiling Panel
3-5.Checking the Drainage
Fig.
3-6-2.Installing the Ceiling Panel
Fig.
Fig.
Fig.
3-6-3.Wiring the Ceiling Panel and the Indicator
Fig.
A. Attaching the corner cover
3-6-7.Adjusting the Auto Flap
3-6-5.Checking After Installation
3-7.Wiring Instructions
General precautions on wiring
For solid core wiring or F-cable
How to connect wiring to the terminal
For stranded wiring
a For Indoor Unit
Fig.
4. How to Test Run the Air Conditioner
Fig. Fig
Rear side Remote control holder
5. Remote Controller Installation Position
5-1.Mounting on a Wall
Mounting screws 5/32 5/8 4 16 mm included
6-1.Address Setting of the Remote Controller
6. Address Switch
Fig.
Fig.
8. Installation Check Sheet
7. Connecting a Home Automation Device
Operating Instructions
APPENDIX D
CZ-RD515U
Model No. CZ-RD515U
Operating Instructions Wired Remote Controller
CONTENTS
FEATURES
SAFETY PRECAUTIONS
PRODUCT INFORMATION
SAFETY INSTRUCTIONS
INSTALLATION LOCATION
ELECTRICAL REQUIREMENTS
Avoid
Temperature setting buttons TEMP
REMOTE CONTROLLER
Timer and Present Time setting buttons
Display
TIMER SELECT button
1 HR. TIMER button 1-HOUROFF TIMER
AUTO
HEAT
1Operation mode AUTO only for COOL/DRY/HEAT Model
REMOTE CONTROLLER DISPLAY
Symbols
only for COOL/DRY/HEAT Model
1.Automatic Operation
OPERATION WITH THE REMOTE CONTROLLER
2. Manual Operation
3. Adjusting the Fan Speed
Remote Controller Display
Power failure during operation
Remote Controller
SETTING THE TIMER
5. Backup function
1. How to set the present time
2. How to set the OFF time
1. 1-HourOFF Timer
USING THE 1-HOUROFF TIMER
ADJUSTING THE AIRFLOW DIRECTION
Page
CZ-RD515U
APPENDIX E
INSTALLATION INSTRUCTIONS
Parts supplied with the remote controller
INSTALLATION INSTRUCTIONS Wired Remote Controller
Remote controller installation guidelines
How to install the remote controller
B. Installing directly onto the wall
A. Installing with in-walljunction box
Fig. 2-a
Fig. 2-b
Fig.
How to wire the remote controller
Fig. 8-a
Fig. 8-b
Fig.
How to Test Run the Air Conditioner
Fig.
Fig. WI1011-0 Printed in China
Page
DC1111-0
