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FTYN25DV3B ATY20DV2
Daikin FTYN25DV3B ATY20DV2 User Manual
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Printed Circuit Board Connecto
r Wiring Diagram
SiBE01-503
12
Printed Circuit Board
Connector Wiring Diagram
20
22
Table of Contents
Table of Contents
3
Introduction
6
Safety Cautions
6
Caution in Repair
6
Cautions Regarding Products after Repair
7
Inspection after Repair
8
Using Icons
9
Using Icons List
9
Part 1 List of Function
10
Functions
11
Part 2 Specifications
14
Specifications
15
Part 3 Printed Circuit Board Connector Wiring Diagram
18
Printed Circuit Board Connector Wiring Diagram
19
Indoor Unit
19
Control Pcb
20
Signal Receiver Pcb
20
Part 4 Functions and Control
22
Functions
23
Power-Airflow Dual Flaps, Wide-Angle Louvers and Auto-Swing
23
Fan Speed Control for Indoor Units
24
Thermostat Control
25
Automatic Operation
26
Programme Dry Function
27
Night Set Mode
28
POWERFUL Operation
29
Other Functions
30
Function of Thermistor
31
Control Specification
32
Four Way Valve Switching
32
3-Minutes Standby
32
Compressor Protection Function
32
Fan off Delay
32
Freeze-Up Protection Control
32
Heating Peak-Cut Control
33
Liquid Compression Protection Function
33
Defrost Control
34
Part 5 System Configuration
36
System Configuration
37
Instructions
38
Safety Precautions
38
Installation Site
39
Electrical Work
39
Names of Parts
40
Outdoor Unit
41
Remote Controller
42
Preparation before Operation
43
AUTO • DRY • COOL • HEAT • FAN Operation
46
Operation Mode
47
Swing Setting
47
Adjusting the Air Flow Direction
48
POWERFUL Operation
49
TIMER Operation
50
To Use on Timer Operation
51
To Combine on Timer and off Timer
51
Care and Cleaning
52
Air Filter
53
Before a Long Idle Period
54
Troubleshooting
55
Check Again
56
Disposal Requirements
57
Fault Diagnosis
58
Part 6 Service Diagnosis
60
Caution for Diagnosis
61
Problem Symptoms and Measures
62
Service Check Function
63
Troubleshooting
66
Error Codes and Description
66
Indoor Unit PCB Abnormality
67
Freeze-Up Protection Control or High Pressure Control
68
Fan Motor or Related Abnormality (AC Motor)
70
Thermistor or Related Abnormality (Indoor Unit)
71
High Pressure Control in Cooling
72
Thermistor or Related Abnormality (Outdoor Unit)
74
Check
76
Thermistor Resistance Check
76
Installation Condition Check
77
Outdoor Unit Fan System Check
78
Hall IC Check
78
Part 7 Removal Procedure
80
Indoor Unit
81
Removal of Air Filter
81
Removal of Front Grille
84
Removal of Horizontal Blades / Vertical Blades
87
Removal of Electrical Parts Box / PCB / Swing Motor
89
Removal of Heat Exchanger
95
Install of Drain Plug
98
Removal of Fan Rotor / Fan Motor
99
Outdoor Unit
103
Removal of Panels
103
Removal of Bellmouth and Left Side Plate
105
Removal of Electrical Device Mounting Plate
106
Removal of Propeller Fan and Fan Motor
107
Removal of Sound Blanket
108
Removal of Partition Plate
110
Removal of Compressor
112
Part 8 Others
114
Others
115
Trial Operation and Testing
115
Pump down Operation
115
Jumper Settings
116
Part 9 Appendix
118
Piping Diagrams
119
Indoor Units
119
Outdoor Units
121
Wiring Diagrams
123
Indoor Units
123
Outdoor Units
123
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Daikin FTYN25DV3B ATY20DV2 Specifications
General
Brand
Daikin
Model
FTYN25DV3B ATY20DV2
Category
Air Conditioner
Language
English
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