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Daikin Manuals
Air Conditioner
FTXS20D2VMW
Service manual
Daikin FTXS20D2VMW Service Manual
Inverter pair wall mounted type, cooling only, heat pump
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Service manual
(228 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
Safety Cautions
Part 1 List of Functions
List of Functions
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
Part 4 Function and Control
Main Functions
Frequency Principle
Air Flow Direction Control
Fan Speed Control for Indoor Units
Programme Dry Function
Automatic Operation
Thermostat Control
NIGHT SET Mode
ECONO Mode
Intelligent Eye
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
Malfunctions
Forced Operation Mode
Additional Function
Facility Setting Jumper (Cooling at Low Outdoor Temperature)
Part 5 System Configuration
System Configuration
Instruction
Safety Precautions
Names of Parts
Preparation before Operation
AUTO · DRY · COOL · HEAT · FAN Operation
Adjusting the Air Flow Direction
POWERFUL Operation
OUTDOOR UNIT SILENT Operation
ECONO Operation
INTELLIGENT EYE Operation
TIMER Operation
Care and Cleaning
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 (DC Motor) or Related Abnormality
Thermistor or Related Abnormality (Indoor Unit)
Signal Transmission Error (between Indoor and Outdoor Unit)
Unspecified Voltage (between Indoor and Outdoor Units)
Outdoor Unit PCB Abnormality
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
Compressor System Sensor Abnormality
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
Part 7 Removal Procedure
Indoor Unit
Removal of Air Filter
Removal of Front Panel
Removal of Front Grille
Removal of Horizontal Blades and Vertical Blades
Removal of Electrical Box
Removal of PCB
Removal of Drain Pan Unit
Removal of Fan Motor
Removal of Heat Exchanger
Removal of Fan Rotor
Outdoor Unit
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
Part 8 Others
Others
Test Run from the Remote Controller
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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Table of Contents
2
Part 2 Specifications
3
Specifications
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See also:
Service Manual
Service Manual
/ Inverter Pair Wall Mounted Type D-Series
SiEBE04-507
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Troubleshooting
Troubleshooting
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Troubleshooting
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