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CS-MKS9NKU service manual APPENDIX B Operating Instructions, CS-MKS18NKU CS-MKS24NKU
Models:
CS-MKS18NKU
CS-MKS9NKU
CS-MKS24NKU
1
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Specs
Install
Refrigerant Flow Diagram
Dimension
obtaining wire. Also, check
Procedure
TIMER lamp
Adjusting the Fan Speed
Setting
Care And Cleaning
Page 70
Image 70
APPENDIX B Operating Instructions
CS-MKS18NKU
CS-MKS24NKU
(852-6-4181-215-00-1)
A-2
Page 69
Page 71
Page 70
Image 70
Page 69
Page 71
Contents
TECHNICAL & SERVICE MANUAL
INDOOR UNIT CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKU
CS-MKS24NKU
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
SAFETY PRECAUTIONS
If refrigerant gas leaks during the work, ventilate the room
4. REFRIGERANT FLOW DIAGRAM
Table of Contents
2. SPECIFICATIONS
8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE
APPLICABLE MULTI-OUTDOOR UNITS
Indoor Air Intake Temp
1. OPERATING RANGE
Temperature
Outdoor Air Intake Temp
Features
SPECIFICATIONS
Unit Specifications
Dimensions & Weight
Type
Features
Dimensions & Weight
Voltage Rating
Type
Features
Dimensions & Weight
Voltage Rating
Type
Features
Dimensions & Weight
Voltage Rating
Type
Features
Dimensions & Weight
Voltage Rating
Type
Features
Dimensions & Weight
Voltage Rating
Type
Features
Dimensions & Weight
Voltage Rating
Type
Features
Dimensions & Weight
Voltage Rating
Type
Features
Dimensions & Weight
Voltage Rating
Type
Features
Dimensions & Weight
Voltage Rating
Control PCB
2-2. Major Component Specifications
2-2-1. Indoor Unit
Fan Motor
Fan Motor
Indoor Unit CS-MKS9NKU
Control PCB
Flap Motor
Fan Motor
Indoor Unit CS-MKS12NKU
Control PCB
Flap Motor
Fan Motor
Indoor Unit CS-MKS18NKU
Control PCB
Flap Motor
Fan Motor
Indoor Unit CS-MKS24NKU
Control PCB
Flap Motor
Temperature F C
2-3. Other Component Specifications
Resistance k ohm
Resistance k ohm
3. DIMENSIONAL DATA
CS-MKS9NKU CS-MKS12NKU
CS-MKS24NKU
CS-MKS18NKU
4. REFRIGERANT FLOW DIAGRAM
4-1. Refrigerant Flow Diagram
5-1. Air Throw Distance Charts
5. PERFORMANCE DATA
CS-MKS9NKU Room air temp. 80F 26.7C
Indoor Unit
Cooling
Fan speed
Cooling
Cooling
Cooling
ASSY
6-1. Electric Wiring Diagrams
6. ELECTRICAL DATA
LAMP
Emergency operation
7. FUNCTIONS
7-1. Operation Functions
SENSOR DRY
NIGHT SETBACK
HIGH POWER
Timer backup
Lamp colors
Freeze prevention
7-2. Protective Functions
NOTE CLxx models only
8-2. Method of Self-Diagnostics
8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE
8-1. Precautions before Performing Inspection or Repair
PROCEDURE
DIAGNOSIS CONTENTS
INDOOR UNIT 1 OPERATION lamp 2 TIMER lamp 3 QUIET lamp
OPERATION button REMOTE CONTROL receiver
INDICATION ON INDOOR UNIT
Check the power voltage Blown
2 If the self-diagnostics function fails to operate
No indicators illuminate and the indoor fan does not rotate
Check the indoor unit Is the fuse blown?
8-3. Checking the Indoor and Outdoor Units
T-RUN Test run compressor and fan motor turn ON
3 How to Identify a Serial Communication Error
Timer
3-2 Condition E12
8-4. Trouble Diagnosis of Fan Motor
8-4-1. Indoor Fan Motor
Trouble
8-5. Noise Malfunction and Electromagnetic Interference
Locations most susceptible to noise
Correction
Page
APPENDIX A Operating Instructions
CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU
CU-3KS19NBU CU-4KS24NBU CU-4KS31NBU
Operating Instructions Split System Air Conditioner
CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU
Model No Indoor Units
SAFETY PRECAUTIONS
FEATURES
CONTENTS
PRODUCT INFORMATION
SAFETY INSTRUCTIONS
INSTALLATION LOCATION
ELECTRICAL REQUIREMENTS
Refrigerant gas leakage may cause fire
Remote Controller
NAMES OF PARTS
Air Intakes INDOOR UNIT Air Outlet Remote Controller Drain Hose
Refrigerant Tubes OUTDOOR UNIT Air Outlet
UNIT DISPLAY AND OPERATION BUTTON
REMOTE CONTROLLER DISPLAY
REMOTE CONTROLLER
REMOTE CONTROLLER CONTINUED
SWEEP
USING THE REMOTE CONTROLLER
REMOTE CONTROLLER CONTINUED
USING THE REMOTE CONTROLLER CONTINUED
OPERATION WITH THE REMOTE CONTROLLER
1. Operation
2. Adjusting the Fan Speed
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
3. Fan Only
Setting
4. Night Setback Mode
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
In Cooling and DRY Mode and
5. QUIET Mode
6. HIGH POWER Mode
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
‘‘DRY’’ Operation
Remote Controller
SPECIAL REMARKS
Cooling Operation
SETTING THE TIMER
1. How to set the present time
SETTING THE TIMER CONTINUED
REPEAT timer
Setting procedure
USING THE 1-HOUR OFF TIMER
TIPS FOR ENERGY SAVING
Cancellation procedure
ADJUSTING THE AIRFLOW DIRECTION
OPERATION WITHOUT THE REMOTE CONTROLLER
CARE AND CLEANING
filter
CARE AND CLEANING CONTINUED
How to remove the filter 1. Grasp both ends of the air
Groove Pin Air intake grille
When using a footstool or the like, be careful not to let it tip over
WIRED REMOTE CONTROLLER
CARE AND CLEANING CONTINUED
Washing the grille with water
Trouble
TROUBLESHOOTING BEFORE CALLING FOR SERVICE
OPERATING RANGE
Possible Cause
Indoor Unit
SPECIFICATIONS
Model No
CS-MKS7NKU
APPENDIX B Operating Instructions
CS-MKS18NKU CS-MKS24NKU
Model No
CS-MKS18NKU
CS-MKS24NKU
Indoor Units
SAFETY PRECAUTIONS
FEATURES
CONTENTS
Simple One-touch Remote Controller
SAFETY INSTRUCTIONS
INSTALLATION LOCATION
ELECTRICAL REQUIREMENTS
Refrigerant gas leakage may cause fire
NAMES OF PARTS
Air Intakes INDOOR UNIT Air Outlet Remote Controller Drain Hose
Remote Controller
Refrigerant Tubes OUTDOOR UNIT Air Outlet
UNIT DISPLAY AND OPERATION BUTTON
REMOTE CONTROLLER DISPLAY
REMOTE CONTROLLER
REMOTE CONTROLLER CONTINUED
USING THE REMOTE CONTROLLER
REMOTE CONTROLLER CONTINUED
USING THE REMOTE CONTROLLER CONTINUED
OPERATION WITH THE REMOTE CONTROLLER
1. Operation
2. Adjusting the Fan Speed
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
3. Fan Only
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
4. Night Setback Mode
6. HIGH POWER Mode
OPERATION WITH THE REMOTE CONTROLLER CONTINUED
5. QUIET Mode
‘‘DRY’’ Operation
Remote Controller
SPECIAL REMARKS
Cooling Operation
SETTING THE TIMER
1. How to set the present time
SETTING THE TIMER CONTINUED
REPEAT timer
Cancellation procedure
USING THE 1-HOUR OFF TIMER
Setting procedure
2. Operation together with the DAILY ON/OFF REPEAT Timer
ADJUSTING THE AIRFLOW DIRECTION
OPERATION WITHOUT THE REMOTE CONTROLLER
CARE AND CLEANING
filter
CARE AND CLEANING CONTINUED
How to remove the filter 1. Grasp both ends of the air
Groove Pin Air intake grille Air intake grille
WIRED REMOTE CONTROLLER
CARE AND CLEANING CONTINUED
Trouble
TROUBLESHOOTING BEFORE CALLING FOR SERVICE
OPERATING RANGE
Possible Cause
Indoor Unit
SPECIFICATIONS
Model No
CS-MKS18NKU
APPENDIX C INSTALLATION INSTRUCTIONS
CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKU CS-MKS24NKU
NOTE External diameter of service port R410A 5/16
INSTALLATION INSTRUCTIONS Split System Air Conditioner
Contents
For Indoor Unit
When Installing…
SPECIAL PRECAUTIONS
When Transporting
In Case of Improper Installation
Others
When Servicing
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1-2. Accessories Supplied with Unit Table
1. General
1-1. Tools Required for Installation not supplied
obtaining wire. Also, check
2-1. Indoor Unit
2. Installation Site Selection
1-5. Additional Materials Required for Installation
AVOID
2-2. Embedding the Tubing and Wiring
3-1. Remove the Rear Panel from the Unit
3. How to Install the Indoor Unit
trical wiring or conduits are
3-2. Make a Hole
b If Block, Brick, Concrete or Similar Type Wall
3-3. Install the Rear Panel on the Wall
a If Wooden Wall
Fig. 13a
3-4. Removing and Installing the Grille 3-4-1. Indoor unit types
3-4-2. Indoor unit types CS-MKS18NKU, CS-MKS24NKU
How to remove the grille
How to replace the grille
Fig. 19b-1
3-6. Wiring Instructions General precautions on wiring
3-5. Shape the Indoor Side Tubing
Fig. 26a
3-7. Wiring Instructions for Inter-unit Connections
Fig. 26b
b For Outdoor Unit For solid core wiring or F-cable
WARNING Loose wiring may cause the terminal to overheat or result
How to connect wiring to the terminal a For Indoor Unit
For stranded wiring
Fig. 37a
3-8. Mounting
Right-side tubing
Fig. 37b
Drain hose
Switching drain hose and drain cap
Left-side tubing
Drain cap
To unmount indoor unit
Do not supply power to the
tubing and wiring to the out
3-9. Drain Hose
Fig. 59a Fig. 59b
4. How to Test Run the Air Conditioner
Fig. 59c
5. Remote Controller Installation Position
6. Address Switch
6-1. Address Setting of the Remote Controller
7. Connecting a Home Automation Device
8. Installation Check Sheet
Page
DC1111-0
