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FTXN24KVJU
Service Manual
Daikin FTXN24KVJU Service Manual Page 9
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Table of contents
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SiUS041111
List of Functions
1
Part 1
List of Functions
1.
Functions
.............................
...............................
............................
.............
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
...
243
244
Service
1
Inverter Pair
2
Wall Mounted Type
2
K-Series
2
Table of Contents ii
3
Table of Contents iv
5
Safety Considerations
7
List of Functions
9
1. Functions
10
SiUS041111 Functions
11
List of Functions 3
11
Specifications
12
1. Specifications
13
60 Hz, 208 - 230 V
14
1.2 Heat Pump
16
60 Hz, 208 - 230V
17
Printed Circuit Board
19
Connector Wiring Diagram
19
1. Indoor Unit
20
2P206569-4
21
3P206563-1
21
1.2 15/18/24 Class
22
2P099167-2
23
2. Outdoor Unit
24
3P257381-1
25
2P257375-2
25
2.2 15/18/24 Class
26
3P273862-1
27
2P273854-1
27
Function and Control
28
Target temperature
29
Set temperature
29
Room temperature
29
Room thermistor temperature
29
(R12321)
29
Drawing of
30
Inverter
30
1.3 Airflow Direction Control
31
(R11681)
32
(R14720)
32
(R14659)
32
(R11587)
33
(R14660)
34
(R14663)
35
(R14661)
35
1.8 NIGHT SET Mode
36
1.9 ECONO Operation
37
(R13571)
38
POWERFUL
38
(R14568)
39
ON/OFF button
39
(R14380)
39
(R14721)
40
(R14247)
40
(R14428)
41
(R14248)
41
(R14717)
42
3.3.1 Preheating Operation
44
(R13528)
45
(R13906)
46
(R14722)
47
(R14723)
48
3.7 Heating Peak-cut Control
49
3.8 Outdoor Fan Control
50
3.10 Defrost Control
51
(R14667)
52
(R14458)
53
46 Function and Control
54
Minimum opening (pulse) 52 17
54
(R14213)
55
(R14668)
56
Operation Manual
57
1. System Configuration
58
Name of Parts
59
Open the front cover
60
AUTO · DRY · COOL · HEAT ·
61
FAN Operation
61
Press or
62
To start auto swing
63
Press
64
COMFORT AIRFLOW Operation
65
POWERFUL Operation
66
ECONO Operation
67
OFF TIMER Operation
68
ON TIMER Operation
69
Press or
73
Press
74
Press
75
Service Diagnosis
79
72 Service Diagnosis
80
(R11599)
81
(R14251)
81
Operation lamp (green)
81
(R14669)
83
(R14550)
84
(R14551)
84
(R14552)
84
(R14547)
85
(R14548)
85
(R14549)
85
4. Troubleshooting
86
(R11704)
87
80 Service Diagnosis
88
(R14402)
89
82 Service Diagnosis
90
(R14405)
91
(R14436)
92
(R14406)
93
Outdoor Unit)
94
(R14437)
95
(R11707)
96
(R14253)
97
(R14438)
98
(R14439)
99
(R14410)
100
(R14440)
101
Troubleshooting SiUS041111
102
94 Service Diagnosis
102
(R14441)
103
(R14412)
105
98 Service Diagnosis
106
(R14413)
107
(R11712)
108
SiUS041111 Troubleshooting
109
Service Diagnosis 101
109
Troubleshooting
110
Service Diagnosis 103
111
H9, J3, J6, P4
112
(R14443)
113
(R14671)
115
108 Service Diagnosis
116
09/12 class 15/18/24 class
116
A 99°C (210.2°F) 85°C (185°F)
116
(R14672)
117
110 Service Diagnosis
118
(R14446)
119
4.23 Refrigerant Shortage
120
(R14447)
121
114 Service Diagnosis
122
(R14389)
123
5. Check
124
(R12099)
125
(R11979)
125
(R14245)
126
(R14673)
127
(R14674)
127
(R13940)
128
SiUS041111 Check
129
Service Diagnosis 121
129
(R11907)
130
(R10811)
130
(R14468)
131
5.10 Discharge Pressure Check
132
5.11 Outdoor Fan System Check
132
(R14675)
133
(R14433)
134
Removal Procedure
135
(R11616)
136
(R11617)
136
(R11618)
136
(R14598)
136
(R11620)
137
(R14599)
137
(R11622)
138
(R11623)
138
(R11624)
138
(R11625)
138
(R11626)
139
(R11627)
140
(R11628)
140
(R11629)
140
(R11630)
140
(R11631)
141
(R14618)
141
(R11633)
141
(R12715)
141
(R14676)
142
(R11636)
142
(R11637)
142
(R11638)
142
(R11639)
143
(R11640)
143
(R11268)
143
(R11641)
143
Bottom frame
144
Fan guard
145
138 Removal Procedure
146
Step Procedure Points
146
(R14603)
147
(R11649)
147
(R11650)
147
Display
148
(R14604)
149
(R14677)
149
(R11655)
149
(R11656)
150
(R11943)
150
Wooden base
151
Drain hose
151
Extension drain hose
151
Connecting wires
151
Gas piping
152
Liquid piping
152
Auxiliary piping
152
Piping fixture
152
Indoor heat
153
(R8041)(R11269)
153
Right side panel
154
Fan rotor
155
Fan motor
155
148 Removal Procedure
156
Heat insulation fixing screw
157
Drain plug
157
Drain piping (left)
157
(R12786)
158
(R12787)
158
Removal Procedure 151
159
152 Removal Procedure
160
2.2 Removal of Front Grille
161
154 Removal Procedure
162
(R12894)
163
Vertical blade
164
(R14685)
165
(R14686)
165
(R11234)
165
(R14254)
166
(R13224)
167
(R14255)
168
(R14256)
168
(R14257)
169
Swing motor
169
(R13231)
172
(R13232)
172
Fan motor fixing plate
173
Left side plate
174
(R11741)
175
(R14687)
175
(R14688)
175
(R14689)
175
(R11745)
176
(R11746)
176
(R11747)
176
(R11748)
177
(R11749)
177
(R11750)
177
(R11751)
178
(R11752)
178
(R11753)
178
(R14690)
179
(R12236)
179
(R11754)
179
(R11945)
180
(R14724)
180
(R14691)
180
Removal Procedure 173
181
(R11762)
182
(R11763)
182
(R11764)
182
(R11765)
183
(R11740)
183
(R11766)
183
(R11767)
183
(R11768)
184
(R11769)
184
(R11770)
184
(R11771)
185
(R11772)
185
(R11773)
185
(R11774)
186
(R11775)
186
(R11776)
187
(R11946)
187
(R11779)
187
(R11780)
188
(R11777)
188
(R11781)
188
(R11782)
189
(R10717)
189
(R11783)
189
(R11784)
190
(R11785)
190
(R11786)
190
(R11787)
191
(R11788)
191
(R11789)
192
(R11790)
192
(R11791)
192
(R11792)
193
(R11793)
193
(R11794)
194
(R11795)
194
(R11796)
194
(R11799)
195
(R11797)
195
(R14529)
195
(R11798)
196
(R11800)
196
(R11802)
197
(R11804)
197
(R11805)
198
Discharge side
198
(R11806)
198
(R11807)
198
(R11808)
198
(R14281)
199
(R14702)
199
(R14703)
199
(R14283)
199
(R14284)
200
(R14285)
200
(R14286)
200
(R14704)
201
(R14705)
201
(R14287)
202
(R14288)
202
(R14289)
202
(R14304)
203
(R14448)
203
(R14291)
203
(R14292)
203
(R14293)
204
Fan motor fixing frame
204
(R14294)
204
(R14295)
204
(R14296)
205
(R14297)
205
(R14706)
206
(R14734)
206
(R14707)
206
(R14708)
206
(R14709)
206
(R14299)
207
(R14300)
207
(R14301)
207
(R14303)
208
(R14736)
208
(R14375)
208
(R14376)
208
(R14308)
209
(R14309)
210
(R14305)
210
(R14306)
210
(R14307)
210
Removal Procedure 203
211
(R14314)
212
(R14315)
212
(R14726)
212
(R14316)
212
(R14317)
212
(R14318)
213
(R14320)
213
(R14727)
213
(R14321)
213
(R14322)
214
(R14323)
214
(R14324)
214
(R14325)
215
(R14728)
215
(R14326)
215
(R14327)
215
(R14328)
216
(R14329)
216
(R14330)
216
(R14331)
217
(R14332)
217
(R14333)
217
(R14334)
217
(R14735)
218
(R14336)
218
(R14337)
218
(R14364)
218
(R14365)
219
(R14366)
219
(R14367)
219
(R14368)
219
(R14369)
220
(R14370)
220
(R14371)
221
(R14372)
221
(R14373)
221
(R14374)
221
(R14338)
222
(R12287)
222
(R14339)
222
(R14346)
222
(R14347)
223
(R14348)
223
(R14349)
224
(R14350)
224
(R14351)
224
(R14585)
224
(R14340)
225
(R14341)
225
(R14343)
226
(R14344)
226
(R14377)
226
(R14345)
226
(R14353)
227
(R14354)
227
Trial Operation and
228
Field Settings
228
(R13628)
229
(R14578)
230
(R14258)
230
(R14259)
230
(R14476)
231
(R12275)
232
(R14477)
232
(R12008)
233
(R14261)
233
(R13525)
233
Field Settings SiUS041111
234
4.5 Jumper Settings
235
Applicable
236
Appendix
237
1. Piping Diagrams
238
1.2 Outdoor Unit
239
RXN09/12KEVJU
240
RXN15/18/24KEVJU
240
2. Wiring Diagrams
241
FIELD WIRING
242
SiUS041111
244
Printed in U.S.A. 7/2011 B AK
244
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