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Super multi NX E Series
Daikin Super multi NX E Series User Manual
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Service
Manual
SiBE121135_A
E / F / G / K-Series
[Applied Models]
O
Inverte
r Multi : Cooling Only
O
Inver
ter Multi : Heat Pump
2
Table of Contents
Default Chapter
3
Table of Contents
3
Introduction
7
Safety Cautions
7
Used Icons
11
Part 1 List of Functions
12
Cooling Only
13
Outdoor Unit
13
Indoor Unit
14
Function and Control Part
15
Heat Pump
17
Outdoor Unit
17
Indoor Unit
19
Part 2 Specifications
27
Cooling Only
28
Outdoor Unit
28
Specifications
29
Indoor Unit
30
Wall Mounted Type
30
Specifications
30
Ceiling Mounted Cassette Type
32
Ceiling Suspended Type
33
Heat Pump
35
Outdoor Unit
35
Indoor Unit
39
Floor Standing Type
46
Duct Connected Type
49
Part 3 Printed Circuit Board Connector Wiring Diagram
54
Outdoor Unit
55
Indoor Unit
58
Ftxg25/35/50Jv1Bw(A)
58
Ctxs15/35K2V1B, Ftxs20/25K2V1B
60
Ftxs35/42/50K2V1B, Ftxs25/35/42/50J2V1B, Atxs20/25/35/42/50G2V1B
62
Ftxs60/71Gv1B
64
Fvxg25/35/50K2V1B
66
Fvxs25/35/50Fv1B
68
Flxs25/35/50/60Bavmb
70
Fdxs25/35E7Vmb, Fdxs50/60C7Vmb
72
Fcqg35/50/60Fveb
74
Ffq25/35/50/60B9V1B
76
Fhq35/50/60Bwv1B
77
Fdbq25B8V1
78
Fbq35/50/60C8Veb
79
Wired Remote Controller
81
Brc1D528
81
Brc1E52A7, Brc1E52B7
82
Part 4 Function and Control
83
Function of RA Indoor Unit
84
Temperature Control
84
Frequency Principle
84
Operation Starting Control
86
Airflow Direction Control
87
Fan Speed Control for Indoor Unit
91
RADIANT Operation
92
Indoor Unit Fan Control
93
Program Dry Operation
94
Automatic Operation
95
Thermostat Control
96
NIGHT SET Mode
97
ECONO Operation
98
HOME LEAVE Operation
99
INTELLIGENT EYE Operation
101
2-Area INTELLIGENT EYE Operation
102
Inverter POWERFUL Operation
104
Multi-Colored Indicator Lamp / TIMER Lamp
105
Brightness Setting of the Indoor Unit Display
106
Clock Setting
107
WEEKLY TIMER Operation
108
Other Functions
114
Function of SA Indoor Unit
115
Drain Pump Control
115
Thermostat Sensor in Remote Controller
117
Freeze Prevention Control
119
Hot Start Control (in Heating Operation Only)
120
Function of Thermistor
121
Control Specification
123
Mode Hierarchy
123
Frequency Control
124
Controls at Mode Changing / Start-Up
127
Compressor Protection Function
128
Discharge Pipe Temperature Control
128
Input Current Control
129
Freeze-Up Protection Control
129
Heating Peak-Cut Control
130
Outdoor Fan Control
131
Liquid Compression Protection Function
131
Defrost Control
132
Low Hz High Pressure Limit
133
Outdoor Electronic Expansion Valve Control
133
Pressure Equalizing Control
135
Malfunctions
137
Part 5 Remote Controller
139
RA Indoor Unit
140
Ftxg25/35/50Jv1Bw(A), Ctxs15/35K2V1B, Ftxs20/25K2V1B
140
Mode Button
141
Quiet Button
141
Ftxs35/42/50K2V1B
142
Ftxs25/35/42/50J2V1B, Ftxs60/71Gv1B
144
Clock Button
145
Atxs20/25/35/42/50G2V1B
146
Reset Button
147
Fvxg25/35/50K2V1B
148
Fvxs25/35/50Fv1B
150
Flxs25/35/50/60Bavmb
152
Fdxs25/35E7Vmb, Fdxs50/60C7Vmb
154
SA Indoor Unit
156
Brc1D528
156
Part 6 Service Diagnosis
159
Troubleshooting with LED
161
Indoor Unit
161
Outdoor Unit
163
Problem Symptoms and Measures
164
Service Check Function
165
RA Indoor Unit
165
SA Indoor Unit
174
Code Indication on Remote Controller
178
RA Indoor Unit
178
SA Indoor Unit
178
Sub Codes for SA Indoor Unit
179
Outdoor Unit
180
Troubleshooting for RA Indoor Unit
181
Indoor Unit PCB Abnormality
181
Freeze-Up Protection Control or Heating Peak-Cut Control
183
Fan Motor or Related Abnormality
184
Radiant Panel Temperature Rise, Indoor Electronic Expansion Valve (Motor Operated Valve) Abnormality, Freeze-Up Protection Control (FVXG Series Only)
189
Thermistor or Related Abnormality (RA Indoor Unit)
191
Front Panel Open / Close Fault (FTXG Series Only)
192
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
193
Unspecified Voltage (between Indoor Unit and Outdoor Unit)
194
Troubleshooting for SA Indoor Unit
195
Indoor Unit PCB Abnormality
195
Drain Level Control System Abnormality
196
Fan Motor or Related Abnormality
198
Swing Motor Lock (FHQ Series Only)
204
Drain System Abnormality
205
Thermistor or Related Abnormality (SA Indoor Unit)
206
Remote Controller Thermistor Abnormality
207
Signal Transmission Error (between Indoor Unit and Remote Controller)
208
Signal Transmission Error (between MAIN Remote Controller and SUB Remote Controller)
209
Field Setting Abnormality
210
Troubleshooting for Outdoor Unit
211
Refrigerant Shortage
211
Low-Voltage Detection or Over-Voltage Detection
213
Signal Transmission Error (on Outdoor Unit PCB)
215
Unspecified Voltage (between Indoor Unit and Outdoor Unit) / Anti-Icing Function in Other Rooms
216
Anti-Icing Control for Indoor Unit
217
Outdoor Unit PCB Abnormality
219
OL Activation (Compressor Overload)
220
Compressor Lock
222
DC Fan Lock
223
Input Overcurrent Detection
224
Discharge Pipe Temperature Control
225
High Pressure Control in Cooling
226
Compressor Sensor System Abnormality
227
Position Sensor Abnormality
229
CT or Related Abnormality
231
Thermistor or Related Abnormality (Outdoor Unit)
233
Electrical Box Temperature Rise
235
Radiation Fin Temperature Rise
237
Output Overcurrent Detection
239
Check
241
Thermistor Resistance Check
241
Fan Motor Connector Check
242
Hall IC Check
243
Indoor Electronic Expansion Valve Coil Check
243
Power Supply Waveform Check
244
Outdoor Electronic Expansion Valve Check
245
Four Way Valve Performance Check
246
Inverter Unit Refrigerant System Check
246
Inverter Analyzer Check
247
Rotation Pulse Check on the Outdoor Unit PCB
248
Installation Condition Check
249
Discharge Pressure Check
249
Outdoor Fan System Check
250
Capacitor Voltage Check
250
Power Module Check
251
Part 7 Trial Operation and Field Settings
252
Pump down Operation
253
Forced Operation
254
Wiring Error Check Function
255
Trial Operation
257
RA Indoor Unit
257
SA Indoor Unit
259
Check Points
259
Test Operation
259
Field Settings
261
Outdoor Unit
261
RA Indoor Unit
264
Model Type Setting
264
When 2 Units Are Installed in 1 Room
264
Jumper and Switch Settings
268
SA Indoor Unit
269
Silicon Grease on Power Transistor / Diode Bridge
273
Part 8 Appendix
274
Piping Diagrams
275
Outdoor Unit
275
Indoor Unit
280
Wiring Diagrams
287
Outdoor Unit
287
Wiring Diagrams
288
Indoor Unit
292
Removal Procedure (Booklet No.)
300
4
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Daikin Super multi NX E Series Specifications
General
Brand
Daikin
Model
Super multi NX E Series
Category
Air Conditioner
Language
English
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