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Panasonic
CS-KE18NB4UW, CS-MKE9NB4U, CU-4KE31NBU, CU-4KE24NBU Appendix A, Operating Instructions
Models:
CZ-18BT1U
CS-KE18NB4UW
CS-MKE12NB4U
CU-3KE19NBU
CU-4KE24NBU
CU-4KE31NBU
CS-MKE9NB4U
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Troubleshooting
Specs
Install
Refrigerant Flow Diagram
Dimension
Maintenance
Wired Remote Controller
Remedy for symptom 3 to
2If the self-diagnosticsfunction fails to operate
TIMER lamp
Page 40
Image 40
APPENDIX A
Operating Instructions
CS-MKE9NB4U
&
CZ-18BT1U
CS-MKE12NB4U
&
CZ-18BT1U
(852-6-4181-219-00-2)
A-1
Page 39
Page 41
Page 40
Image 40
Page 39
Page 41
Contents
INDOOR UNIT : CS-MKE9NB4U& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U
TECHNICAL & SERVICE MANUAL
DC INVERTER MULTI-SYSTEMAIR CONDITIONER
SAFETY PRECAUTIONS
which may cause a unit breakdown
TABLE OF CONTENTS
2. SPECIFICATIONS
4. REFRIGERANT FLOW DIAGRAM
6. MAINTENANCE
CZ-RD515U
CZ-RD515U
APPLICABLE MULTI-OUTDOORUNITS
1. OPERATING RANGE
Temperature
Indoor Air Intake Temp
Outdoor Air Intake Temp
2. SPECIFICATIONS
2-1.Unit Specifications
Dimensions & Weight Indoor Unit
2-1-1. Indoor Unit CS-MKE9NB4U& CZ-18BT1U
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>
Type
2-2.Major Component Specifications
2-2-1.Indoor Unit
Control PCB
Fan Motor
Control PCB
Fan Motor
Drain Pump
Heat Exchanger Coil
Control PCB
Fan Motor
Drain Pump
Heat Exchanger Coil
2-3.Other Component Specifications
Temperature F C
Temperature F C
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
3. DIMENSIONAL DATA
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U
Unit inch mm
4-1.Refrigerant Flow Diagram
4. REFRIGERANT FLOW DIAGRAM
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U
5-1.Electric Wiring Diagrams
5. ELECTRICAL DATA
Indoor Unit CS-MKE9NB4U& CZ-18BT1U
CS-MKE12NB4U& CZ-18BT1U CS-KE18NB4UW& CZ-18BT1U
6. MAINTENANCE
6-1.Disassembly Procedure
6-1-1.Remove the air intake grill
Fig.1
6-1-3.Remove the ceiling panel
Fig.6
Fig.7
Fig.8
6-1-4.Remove the indoor air temperature sensor
6-1-5.Remove the power box and control box
Fig.10
Fig.12
Fig.13
Fig.14
Fig.15 24
Screw Ground cable
Fig.17
6-1-6.Remove the main body lower section
Fig.18
6-1-8.Remove the drain pump and float switch
6-1-7.Remove the heat exchanger sensor
Fig.19
Fig.20
6-1-9.Remove the turbo fan and fan motor
6-1-10.Remove the heat exchanger
Fig.23
Fig.25
7. FUNCTIONS
7-1.Operation Functions
Emergency operation
AUTO cooling/heating operation
HIGH POWER
Timer backup
NIGHT SETBACK
Lamp colors
7-2.Protective Functions
Overload prevention during heating
Freeze prevention
Cold-airprevention during heating
8-2.Method of Self-Diagnostics
8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE
PROCEDURE
1 Self-diagnosticsLamps
TIMER lamp
HIGH POWER lamp
REMOTE CONTROL receiver
8-3.Checking the Indoor and Outdoor Units
2If the self-diagnosticsfunction fails to operate
Using the TEST/T-RUNterminals
Check the indoor unit Is the fuse blown?
Before the Operation
3-1Condition: E01
Continued from the previous page A
3-2Condition: E12
8-4.Trouble Diagnosis of Fan Motor
8-4-1.Indoor Fan Motor
Diagnostic procedure
Diagnostic results
1 Noise malfunction
2 Electromagnetic interference
Locations most susceptible to noise
Trouble
Page
Operating Instructions
APPENDIX A
CS-MKE9NB4U& CZ-18BT1U CS-MKE12NB4U& CZ-18BT1U
Split System Air Conditioner
CS-MKE9NB4U CU-3KE19NBU CS-MKE12NB4U CU-4KE24NBU
CU-4KE31NBU
CZ-18BT1U
FEATURES
CONTENTS
SAFETY PRECAUTIONS
PRODUCT INFORMATION
INSTALLATION LOCATION
SAFETY INSTRUCTIONS
ELECTRICAL REQUIREMENTS
Avoid
NAMES OF PARTS
UNIT DISPLAY AND OPERATION BUTTON
Air Intake
Air Outlet
REMOTE CONTROLLER DISPLAY
Symbols
REMOTE CONTROLLER
HIGH POWER button
ON TIME/OFF TIME setting buttons Advance button
CANCEL button SENSOR button
1 HR. TIMER button 1-HOUROFF TIMER
Temperature setting buttons TEMP
AUTO
HEAT
USING THE REMOTE CONTROLLER
HOW TO INSTALL BATTERIES
S/M Single/Multiple switch
HOW TO USE THE REMOTE CONTROLLER
OPERATION WITH THE REMOTE CONTROLLER
1. Automatic Operation
2. Manual Operation
STEP STEP
3. Adjusting the Fan Speed
5. HIGH POWER Mode
4. Night Setback Mode
A. Automatic fan speed
SETTING THE TIMER
Power failure during operation
Remote Controller
1. How to set the present time
2. How to set the OFF time
3. How to set the ON time
4. How to set daily ON/OFF repeat timer
Operation
USING THE 1-HOUROFF TIMER
ADJUSTING THE AIRFLOW DIRECTION
1. 1-HourOFF Timer
TIPS FOR ENERGY SAVING
CARE AND CLEANING
OPERATION WITHOUT THE REMOTE CONTROLLER
When the air conditioner is not running
Cleaning the flaps
How to remove the filter
How to remove the air intake grille
Safety cord Air filter
Air intake grille hinge Safety cord
TROUBLESHOOTING
WIRED REMOTE CONTROLLER
BEFORE CALLING FOR SERVICE
OPERATING RANGE
SPECIFICATIONS
Model No
Indoor Unit
CS-MKE9NB4U
CS-KE18NB4UW& CZ-18BT1U
APPENDIX B
Operating Instructions
CS-KE12NB41
CU-KE12NK1
CS-KE18NB4UW
CU-KE18NKU
FEATURES
CONTENTS
SAFETY PRECAUTIONS
PRODUCT INFORMATION
INSTALLATION LOCATION
SAFETY INSTRUCTIONS
ELECTRICAL REQUIREMENTS
Avoid
NAMES OF PARTS
UNIT DISPLAY AND OPERATION BUTTON
Air Intake
Air Outlet
Symbols
REMOTE CONTROLLER DISPLAY
1Operation mode AUTO HEAT MILD DRY COOL FAN
REMOTE CONTROLLER
HIGH POWER button
ON TIME/OFF TIME setting buttons Advance button
CANCEL button SENSOR button
1 HR. TIMER button 1-HOUROFF TIMER
Temperature setting buttons TEMP
AUTO
HEAT
USING THE REMOTE CONTROLLER
HOW TO INSTALL BATTERIES
S/M Single/Multiple switch
HOW TO USE THE REMOTE CONTROLLER
OPERATION WITH THE REMOTE CONTROLLER
1. Automatic Operation
2. Manual Operation
STEP 1 Press the MODE selector button to
6. HIGH POWER Mode
4. Fan Only
5. Night Setback Mode
3. Adjusting the Fan Speed
SETTING THE TIMER
Power failure during operation
Remote Controller
1. How to set the present time
2. How to set the OFF time
3. How to set the ON time
4. How to set daily ON/OFF repeat timer
Operation
USING THE 1-HOUROFF TIMER
ADJUSTING THE AIRFLOW DIRECTION
1. 1-HourOFF Timer
TIPS FOR ENERGY SAVING
CARE AND CLEANING
OPERATION WITHOUT THE REMOTE CONTROLLER
When the air conditioner is not running
Cleaning the flaps
How to remove the filter
How to remove the air intake grille
Safety cord Air filter
Air intake grille hinge Safety cord
TROUBLESHOOTING
WIRED REMOTE CONTROLLER
BEFORE CALLING FOR SERVICE
OPERATING RANGE
SPECIFICATIONS
Model No
Outdoor Unit
Indoor Unit
SPECIFICATIONS CONTINUED
•For Multiple use
•For Multiple use
Model No
Page
INSTALLATION INSTRUCTIONS
APPENDIX C
Contents
For Indoor Unit
3. HOW TO INSTALL THE INDOOR UNIT
5.REMOTE CONTROLLER INSTALLATION
SPECIAL PRECAUTIONS
In Case of Improper Installation
WARNING When Wiring
When Transporting
When Servicing
Others
1. General
1-1.Tools Required for Installation not supplied
1-2.Accessories Supplied with Unit Table
1-3.Optional Copper Tubing Kit
2. Installation Site Selection
2-1.Indoor Unit
AVOID
Fig.
2-2.Embedding the Tubing and Wiring
Table
3. How to Install the Indoor Unit
3-1.Preparation for Suspending
3-2.Suspending the Indoor Unit
3-3.Placing the Unit Inside the Ceiling
3-4.Installing the Drain Piping
Do not use natural drainage
Fig.
Fig.
utes after the FS 3P connector is reconnected
3-6.How to Install the Ceiling Panel
3-6-1.Before Installing the Ceiling Panel
3-5.Checking the Drainage
3-6-2.Installing the Ceiling Panel
Fig.
Fig.
Fig.
3-6-3.Wiring the Ceiling Panel and the Indicator
Fig.
Fig.
A. Attaching the corner cover
3-6-5.Checking After Installation
3-6-7.Adjusting the Auto Flap
3-7.Wiring Instructions
General precautions on wiring
How to connect wiring to the terminal
For solid core wiring or F-cable
For stranded wiring
a For Indoor Unit
Fig. Fig
4. How to Test Run the Air Conditioner
Fig.
5. Remote Controller Installation Position
Rear side Remote control holder
5-1.Mounting on a Wall
Mounting screws 5/32 5/8 4 16 mm included
6. Address Switch
6-1.Address Setting of the Remote Controller
Fig.
Fig.
7. Connecting a Home Automation Device
8. Installation Check Sheet
CZ-RD515U
APPENDIX D
Operating Instructions
Operating Instructions Wired Remote Controller
Model No. CZ-RD515U
FEATURES
CONTENTS
SAFETY PRECAUTIONS
PRODUCT INFORMATION
INSTALLATION LOCATION
SAFETY INSTRUCTIONS
ELECTRICAL REQUIREMENTS
Avoid
REMOTE CONTROLLER
Temperature setting buttons TEMP
Timer and Present Time setting buttons
Display
1 HR. TIMER button 1-HOUROFF TIMER
TIMER SELECT button
AUTO
HEAT
Symbols
REMOTE CONTROLLER DISPLAY
1Operation mode AUTO only for COOL/DRY/HEAT Model
1.Automatic Operation
only for COOL/DRY/HEAT Model
OPERATION WITH THE REMOTE CONTROLLER
2. Manual Operation
Remote Controller Display
3. Adjusting the Fan Speed
Power failure during operation
Remote Controller
5. Backup function
SETTING THE TIMER
1. How to set the present time
2. How to set the OFF time
ADJUSTING THE AIRFLOW DIRECTION
USING THE 1-HOUROFF TIMER
1. 1-HourOFF Timer
Page
INSTALLATION INSTRUCTIONS
APPENDIX E
CZ-RD515U
INSTALLATION INSTRUCTIONS Wired Remote Controller
Parts supplied with the remote controller
Remote controller installation guidelines
How to install the remote controller
A. Installing with in-walljunction box
B. Installing directly onto the wall
Fig. 2-a
Fig. 2-b
How to wire the remote controller
Fig.
Fig. 8-a
Fig. 8-b
How to Test Run the Air Conditioner
Fig.
Fig.
Fig. WI1011-0 Printed in China
Page
DC1111-0
