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FT25CV1A
Daikin FT25CV1A Service Manual
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Daikin FT25CV1A Service Manual
Also see for FT25CV1A:
Operation manual
Table of content
Contents
Table Of Contents
Table Of Contents
Table Of Contents
safety cautions
cautions regarding products after repair
inspection after repair
using icons
Part 1 List of Function
Functions
Part 2 Specifications
Specifications
Part 3 Printed Circuit Board Connector Wiring Diagram
Printed Circuit Board Connector Wiring Diagram
FT50/60CV1A
FTY25/35CVMA
RY25/35CVMA
Part 4 Functions and Control
Functions of Cooling Only Models
Programme Dry Function
Freeze-up Protection Control
Air Flow Rate Control
Signal Receiving Sign
Night Set Mode
Auto-restart Function
Functions of Heat Pump Models
Power-Airflow Dual Flaps, Wide-Angle Louvers and Auto-Swing
fan speed control
Automatic Operation
Powerful Operation
Other Functions
Function of Thermistor
Control for Heat Pump Models
Frequency Control
Controls at Mode Changing / Start-up
Input Current Control
Heating Peak-cut Control
Liquid Compression Protection Function 2
Insufficient Gas Control
Forced Operation Mode
Part 5 System Configuration
System Configuration
Instructions
Safety Precautions
installation site
Names of Parts
i outdoor unit
Preparation before Operation
AUTO • DRY • COOL • HEAT • FAN Operation
Adjusting the Air Flow Direction
TIMER Operation
Care and Cleaning
front grille
Troubleshooting
check again
Part 6 Service Diagnosis
Troubleshooting by Lamps
Problem and Solution
Service Check Function
ARC433 Series Remote Controller
Indoor Unit PCB Abnormality
Fan Motor or Related Abnormality
Thermistor or Related Abnormality (Indoor Unit)
Compressor Lock
Input Over Current Detection
Four Way Valve Abnormality
High Pressure Control in Cooling
CT or Related Abnormality
Thermistor or Related Abnormality (Outdoor Unit)
Electrical Box Temperature Rise
Radiation Fin Temperature Rise
Output Over Current Detection
Insufficient Gas
Check
Si01
Installation Condition Check
Discharge Pressure Check
Outdoor Unit Fan System Check
Inverter Units Refrigerant System Check
Power Transistor Check
Hall IC Check
Power Transistor Output Check
Inverter Units Compressor / Refrigerant System Check
Part 7 Removal Procedure
FT25/35CV1A, FTY25/35CVMA
removal of front grille
removal of heat exchanger
install of drain plug
fan motor
Removal of Front Grille
Removal of Horizontal Blades / Vertical Blades
Removal of Electrical Parts Box / PCB / Swing Motor
Removal of Heat Exchanger
Removal of Fan Rotor / Fan Motor
R25/35CV1A, RY25/35CVMA
Removal of Bellmouth and Left Side Plate
Removal of Electrical Device Mounting Plate
Removal of Propeller Fan and Fan Motor
Removal of Compressor Noise Absorption Pad
Removal of Partition Plate
removal of compressor
R50/60CV1A
Removal of Electrical Parts Box
Removal of Compressor
Part 8 Others
Others
Jumper Settings
Part 9 Appendix
Piping Diagrams
Outdoor Units
Wiring Diagrams
Check
Si01-406
118
Service Diagnosis
5.5
Discharge Pressure Check
Check No.8
Discharge pressure check
Replace compessor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R3049)
Not dirty
YES
YES
Dirty
NO
NO
NO
Are the heat exchanger and
air filter dirty?
Is the stop valve open?
Is the
connection pipe deformed?
YES
High
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This manual is suitable for:
FT25CV1A
FT35CV1A
FT50CV1A
FT60CV1A
FTY25CVMA
FTY35CVMA
R25CV1A
R35CV1A
R50CV1A
R60CV1A
RY25CVMA
RY35CVMA
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