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FTXG25EV1BS
Service Manual
Daikin FTXG25EV1BS Service Manual Page 270
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Table of contents
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Outdoor Unit (80 / 90
Class)
SiEBE12-625
260
Removal Procedure
3
Remove the outdoor air
thermistor lead wire
from the groove.
4
Remove each wire
harness, and dismount
the electrical box by
lifting it.
Step
Procedure
Points
Electric
a
l
b
ox
1
2
...
265
266
267
268
269
270
271
272
273
274
275
...
322
323
Ser vice
1
SUPER MULTI NX
2
D-Series / E-Series
2
Table of Contents iii
4
Table of Contents v
6
1. Introduction
7
1.1.3 Inspection after Repair
9
1.1.4 Using Icons
10
1.1.5 Using Icons List
10
List of Functions
11
1. List of Functions
12
SiEBE12-625 List of Functions
13
List of Functions 3
13
List of Functions SiEBE12-625
14
4 List of Functions
14
List of Functions 5
15
6 List of Functions
16
1.2 Heat Pump Models
17
8 List of Functions
18
List of Functions 9
19
10 List of Functions
20
List of Functions 11
21
12 List of Functions
22
Specifications
23
1. Specifications
24
SiEBE12-625 Specifications
25
Specifications 15
25
Specifications SiEBE12-625
26
16 Specifications
26
Specifications 17
27
18 Specifications
28
Duct Connected Type
28
Specifications 19
29
20 Specifications
30
Specifications 21
31
Floor Standing Type
31
22 Specifications
32
1.3 Indoor Units - Heat Pump
33
24 Specifications
34
Specifications 25
35
26 Specifications
36
Specifications 27
37
28 Specifications
38
Specifications 29
39
30 Specifications
40
Specifications 31
41
32 Specifications
42
Floor Standing Type 50Hz 230V
42
1.4 Outdoor Units - Heat Pump
43
34 Specifications
44
Printed Circuit Board
45
Connector Wiring Diagram
45
1.1 Wall Mounted Type
46
PCB(1): Control PCB
47
1.1.2 FTK(X)S20~35C
48
PCB(2): Signal Receiver PCB
50
Connectors
51
1.1.4 FTXG25~35E, CTXG50E
53
1.2 Duct Connected Type
55
PCB (2): Display PCB
56
PCB (2): Power Supply PCB
58
PCB (3): Display PCB
58
PCB (4): Signal Receiver PCB
58
1.4 Floor Standing Type
59
(25, 35 class)
60
PCB (2): Control PCB
61
1.5 Outdoor Units
62
PCB Detail
63
Inverter PCB (MID2)
64
Function and Control
65
1. Main Functions
66
Forced Cooling /
67
Heating Operation
67
Auto-Swing
68
FTK(X)S20-50D
69
FTXG25-35E, CTXG50E
70
Control Flow
70
Timing Chart
70
1.5 Programme Dry Function
72
1.6 Automatic Operation
73
1.7 Thermostat Control
74
1.8 Night Set Mode
75
1.9 ECONO Mode
76
SiEBE12-625 Main Functions
77
Function and Control 67
77
Main Functions SiEBE12-625
78
68 Function and Control
78
Scene <cooling>
79
Scene <Heating>
79
Details of the
80
ON/OFF button
81
72 Function and Control
82
2.1 Main Structural Parts
83
2.2 Function of Thermistor
84
D Indoor Heat
85
Exchanger
85
E Liquid Pipe
85
2.2.2 Cooling Only Model
86
3. Control Specification
88
3.2 Frequency Control
89
Frequency
91
3.4 Discharge Pipe Control
92
3.5 Input Current Control
92
3.7 Heating Peak-cut Control
93
3.8 Fan Control
94
3.10 Defrost Control
95
Outline Heat Pump Only
96
Detail Separate into Zones
96
Function and Control 87
97
3.12.10 Oil Recovery Function
99
3.13 Malfunctions
100
3.14 Forced Operation Mode
101
3.15 Wiring-Error Check
102
Function and Control 93
103
When Inverter
104
HEAT mode (H)
105
5<C>3<H>1
105
COOL mode (C)
105
96 Function and Control
106
System Configuration
107
1. System Configuration
108
Instruction
109
2.2 Safety Precautions
110
Installation site
111
Electrical work
111
System relocation
111
Names of Parts
112
Outdoor Unit
113
Remote control
114
FTK(X)S 20/25/35 C
115
Indoor Unit
115
Oudoor Unit
116
CDK(X)S 50/60/71 E
118
Main unit control panel
118
FLK(X)S 71 B
121
FTXG 25/35 E, CTXG 50 E
124
How to open the front panel
130
FVK(X)S 25/35/50 B
133
Preparation before Operation
136
Receiver
137
To remove, pull it upwards
137
To set the clock
138
Turn the breaker ON
138
SiEBE12-625 Instruction
139
List of Functions 129
139
Instruction SiEBE12-625
140
130 List of Functions
140
FTK(X)E 20/25/35/50 D
141
In DRY mode or COOL mode
142
In HEAT mode
142
In FAN mode
142
In HEAT or FAN mode
144
FLK(X) 25/35/50/60 A
145
List of Functions 137
147
In COOL or DRY mode
148
In COMFORT AIRFLOW mode
148
FTXS 25/35/50/60 B
149
140 List of Functions
150
COOL/DRY
151
Air flow selection
152
POWERFUL Operation
153
OUTDOOR UNIT SILENT Operation
154
ECONO Operation
155
HOME LEAVE Operation
156
Useful in these cases
157
INTELLIGENT EYE Operation
158
Notes on “INTELLIGENT EYE”
159
150 List of Functions
160
152 List of Functions
162
• 20 min. after, start
164
TIMER Operation
166
(Example)
167
158 List of Functions
168
Priority Room Setting
169
Care and Cleaning
170
Fit the key
170
List of Functions 161
171
Before a long idle period
172
Air purifying filter
174
Air filter
174
166 List of Functions
176
List of Functions 167
177
List of Functions 169
179
170 List of Functions
180
172 List of Functions
182
List of Functions 173
183
FDK(X)S 25/35 C
184
Cleaning the air filter
185
176 List of Functions
186
178 List of Functions
188
List of Functions 179
189
Place front panel in grooves
192
Troubleshooting
195
Check again
196
Case Check
196
Disposal requirements
197
Fault diagnosis
198
Diagnosis marked
199
190 List of Functions
200
Service Diagnosis
201
1. Caution for Diagnosis
202
Service Diagnosis 193
203
3. Service Check Function
205
→ See 7.)
206
→ Refer to page 198.)
207
5. Troubleshooting
209
5.2 Outdoor Units
210
Troubleshooting SiEBE12-625
212
202 Service Diagnosis
212
5.5.1 AC Motor
214
5.5.2 DC Motor
215
SiEBE12-625 Troubleshooting
217
Service Diagnosis 207
217
208 Service Diagnosis
218
Service Diagnosis 209
219
210 Service Diagnosis
220
Service Diagnosis 211
221
5 1 4 2 1 3 4 4 4
222
5 1 4 2 1 3 4 4 1
224
5.13 Compressor Lock
225
5.14 DC Fan Lock
226
5 1 1 2 4 3 1 4 4
227
5 1 4 2 1 3 1 4 1
229
5 1 4 2 4 3 1 4 1
234
P4, J3, J6, J8, J9, H9
237
5 1 4 2 4 3 1 4 4
239
5 1 1 2 1 3 1 4 4
241
5 1 1 2 1 3 4 4 1
243
5.25 Insufficient Gas
245
5.26 Low-voltage Detection
247
5 1 1 2 1 3 1 4 1
248
6. Check
249
Check No.05
251
Resistance range
252
Check No.07
253
Check No.08
254
Check No.09
254
Check No.11
255
6.1.12 Power Transistor Check
256
SiEBE12-625 Check
257
Service Diagnosis 247
257
6.1.15 Hall IC Check
258
Removal Procedure
259
Outdoor air
260
Piping connection slot
260
Washer-fitted nut M8
263
1.3 Removal of Electrical Box
264
Glass tube fuse (Soldered)
265
Varister
265
Relay connector
268
Electrical box cover
268
Thermistor presser spring
269
Discharge pipe
269
Electrical box
270
Base bar
271
262 Removal Procedure
272
Procedure Points
272
Partition board
277
Sound blanket
277
1.8 Removal of Shunt
279
1.10 Removal of Compressor
282
Top panel
284
Discharge outlet grill
284
Front panel
284
Piping cover
284
2.2 Removal of Electrical BOX
285
Wiring fixture
287
Drip-proof cover
288
H1 (yellow)
290
H2 (blue)
290
ECN1 (green)
290
Washer-fitted nut
292
2.5 Removal of Sound Blanket
293
Thermistor
295
Brazed part
297
2.9 Removal of Compressor
298
SiEBE12-625
299
Others 289
299
1. Others
300
(R4417) (R4418)
301
Others SiEBE12-625
302
292 Others
302
Appendix
303
1. Piping Diagrams
304
FTKS50D2V1W(L) FTXS50D2V1W(L)
305
CTXG50EV1BW(S)
306
1.1.2 Duct Connected Type
307
1.1.4 Floor Standing Type
308
FVKS50BAVMB FVXS50BAVMB
309
1.2 Outdoor Units
310
1.2.2 Heat Pump
311
2. Wiring Diagrams
312
FTK(X)S50D2V1W(L)
313
2.1.2 Duct Connected Type
314
2.1.4 Floor Standing Type
315
2.2 Outdoor Units
316
Index iii
319
Drawings & Flow Charts
321
SiEBE12-625 • 01/2007
323
Prepared in Belgium by Lannoo
323
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