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FTY25GXV1
Daikin FTY25GXV1 User Manual
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SiBE01-829
I
ndoor Unit
Remo
val P
rocedu
re
73
5
Disconnect
the wi
re
harnesses wit
h pl
iers.
2.
Rem
ov
ing the di
splay
PCB
Preparati
on
Remove the elect
rical
box
accor
ding to t
he “Removal
of Elec
tri
cal
Box”.
1
Lift
t
he lower part
of t
he
displ
ay PCB to
remove.
2
Disconnect
the
connector
[CN_MB]
from t
he displ
ay PCB.
3
The fi
gure shows the
names of the di
spl
ay
PCB component parts.
Step
Procedure
Points
(R8606)
(R8607)
ON/OFF switch
TIMER lamp
Signal receiver
[CN_MB]
Operation lamp
(R8608)
83
85
Table of Contents
Table of Contents
3
Introduction
6
Safety Cautions
6
Used Icons
10
List of Function
12
Part 1 List of Function
12
Functions
13
Part 2 Specifications
16
Specifications
17
Part 3 Printed Circuit Board Connector Wiring Diagram
20
Printed Circuit Board Connector Wiring Diagram
21
Indoor Unit
21
Part 4 Functions and Control
24
Functions
25
Power-Airflow Flap, Wide-Angle Louvers and Auto-Swing
25
Fan Speed Control for Indoor Units
26
Thermostat Control
27
Automatic Operation
28
Programme Dry Function
29
Sleep Operation
31
POWERFUL Operation
32
Other Functions
33
Function of Thermistor
34
Control Specification
35
Four Way Valve Switching
35
3-Minute Standby
35
Compressor Protection Function
35
Freeze-Up Protection Control
35
Heating Peak-Cut Control
36
Defrost Control
37
Part 5 Operation Manual
38
System Configuration
39
Instructions
40
Remote Controller
40
AUTO · DRY · COOL · HEAT · FAN Operation
41
Adjusting the Airflow Direction
43
POWERFUL Operation
44
QUIET Operation
45
TIMER Operation
46
PERSONALIZE Operation
47
SLEEP Operation
48
Part 6 Service Diagnosis
50
Caution for Diagnosis
51
Sibe01
52
Problem Symptoms and Measures
52
Service Check Function
53
Troubleshooting
54
Error Codes and Description
54
Indoor Unit PCB Abnormality
55
Freeze-Up Protection Control, High Pressure Control or
56
Indoor Heat Exchanger Thermistor Abnormality
56
Fan Motor or Related Abnormality (AC Motor)
58
Thermistor or Related Abnormality
59
High Pressure Control in Cooling or
61
Outdoor Heat Exchanger Thermistor Abnormality
61
Hardware Error (Tact Switch Pin Short)
63
Insufficient Gas
64
Check
66
Thermistor Resistance Check
66
Installation Condition Check
67
Outdoor Unit Fan System Check
68
Hall IC Check
68
Part 7 Removal Procedure
70
Indoor Unit
71
Removal of Air Filter
71
Removal of Front Panel
73
Removal of Front Grille
74
Removal of Horizontal / Vertical Blades and Safety Net
76
Removal of Electrical Box
79
Removal of PCB / Swing Motor
83
Removal of Heat Exchanger
87
Removal of Fan Rotor
90
Exchange of Drain Hose
93
Outdoor Unit
95
Removal of Panels and Fan Motor
95
Removal of Solenoid Valve / Electrical Box
104
Removal of Sound Blanket
108
Removal of Compressor
109
Part 8 Others
112
Others
113
Trial Operation and Testing
113
Pump down Operation
113
Part 9 Appendix
114
Piping Diagrams
115
Indoor Units
115
Outdoor Units
116
Wiring Diagrams
118
Indoor Units
118
Outdoor Units
118
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Installation Manual
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Daikin FTY25GXV1 Specifications
General
Brand
Daikin
Model
FTY25GXV1
Category
Air Conditioner
Language
English
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