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Daikin Manuals
Air Conditioner
FTKS20CVMB(9)
Service manual
Daikin FTKS20CVMB(9) Service Manual
Inverter pair wall mounted type c-series d-series
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Service manual
(298 pages)
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Pocket manual
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Service manual
(246 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Wall Mounted Type
Table of Contents
Introduction
Safety Cautions
Caution in Repair
Cautions Regarding Products after Repair
Inspection after Repair
Using Icons
Using Icons List
Part 1 List of Functions
List of Functions Part
List of Functions
High Grade Models
Standard Grade Models
Non-Lnverter Models
Part 2 Specifications
Specifications
Cooling Only
Heat Pump
Part 3 Printed Circuit Board Connector Wiring Diagram
Printed Circuit Board Connector Wiring Diagram
Indoor Unit
Outdoor Unit / ARK(X)S-C
Outdoor Unit / RK(X)H-C, ARK(X)H-C, R(Y)N-C
Part 4 Function and Control
Main Functions
Frequency Principle
Power-Airflow Dual Flaps, Wide-Angle Louvres and Auto-Swing
Fan Speed Control for Indoor Units
Programme Dry Function
Automatic Operation
NIGHT SET Mode
Intelligent Eye
HOME LEAVE Operation
Inverter POWERFUL Operation
Other Functions
Function of Thermistor
Heat Pump Model
Cooling Only Model
Control Specification
Mode Hierarchy
Frequency Control
Controls at Mode Changing / Start-Up
Discharge Pipe Control
Input Current Control
Freeze-Up Protection Control
Heating Peak-Cut Control
Fan Control
Liquid Compression Protection Function 2
Defrost Control
Electronic Expansion Valve Control
Target Discharge Pipe Temperature Control
Malfunctions
Forced Operation Mode
Additional Function
Facility Setting Jumper (Cooling at Low Outdoor Temperature)
Part 5 System Configuration
System Configuration
Instruction
Safety Precautions
Installation Site
Electrical Work
Names of Parts
Outdoor Unit
Remote Control
Preparation before Operation
To Set the Clock
Auto Dry Cool Heat Fan Operation
To Change the Air Flow Rate Setting
Adjusting the Air Flow Direction
POWERFUL Operation
OUTDOOR UNIT SILENT Operation
HOME LEAVE Operation
INTELLIGENT EYE Operation
TIMER Operation
To Use on Timer Operation
To Combine on Timer and off Timer
Care and Cleaning
Air Filter
Before a Long Idle Period
Troubleshooting
Part 6 Service Diagnosis
Caution for Diagnosis
Problem Symptoms and Measures
Service Check Function
Troubleshooting
Error Codes and Description
Indoor Unit PCB Abnormality
Freeze-Up Protection Control or High Pressure Control
Fan Motor (AC Motor) or Related Abnormality
Thermistor or Related Abnormality (Indoor Unit)
Signal Transmission Error (between Indoor and Outdoor Unit)
OL Activation (Compressor Overload)
Compressor Lock
DC Fan Lock
Input over Current Detection
Four Way Valve Abnormality
Discharge Pipe Temperature Control
High Pressure Control in Cooling
Position Sensor Abnormality
DC Voltage / Current Sensor Abnormality
Thermistor or Related Abnormality (Outdoor Unit)
Electrical Box Temperature Rise
Radiation Fin Temperature Rise
Output over Current Detection
Insufficient Gas
Over-Voltage Detection
Check
How to Check
Four Way Valve Performance Check
Thermistor Resistance Check
Installation Condition Check
Discharge Pressure Check
Outdoor Unit Fan System Check
Power Supply Waveforms Check
Inverter Units Refrigerant System Check
Power Transistor Check
Hall IC Check
Part 7 Removal Procedure
Indoor Unit
Removal of Air Filter
Removal of Front Grille
Removal of Horizontal Blade and Vertical Blade
Removal of Switch Box, PC Board and Swing Motor
Removal of Heat Exchanger
Install of Drain Plug
Removal of Fan Rotor and Fan Motor
Outdoor Unit / ARK(X)S-C
Removal of Panels and Fan Motor
Removal of Electrical Box
Removal of Reactor and Partition Plate
Removal of Sound Blanket
Removal of Four Way Valve
Removal of Compressor
Removal of PCB
Outdoor Unit / RK(X)H-C, ARK(X)H-C, R(Y)N-C
Removal of External Panels
Removal of Bell Mouth
Removal of PCB
Removal of Electrical Box
Removal of Propeller Fan and Fan Motor
Removal of Compressor Sound Insulation Pad
Removal of Compressor
Removal of Four Way Valve
Removal of Electronic Expansion Valve
Part 8 Others
Others
Test Run from the Remote Control
Jumper Settings
Part 9 Appendix
Piping Diagrams
Indoor Units
Outdoor Units
Wiring Diagrams
Indoor Units
Outdoor Units
Index
Drawings & Flow Charts
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Wall Mounted Type
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Table of Contents
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Specifications
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SiENBE04-512A
Service
Manual
Inverter Pair
Wall Mounted Type
C-Series - D-Series
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