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Air Conditioner
Super Multi NX C-Series
Daikin Super Multi NX C-Series User Manual
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SiE12-411
Printed Circuit Boar
d Connector Wiring Diagram
Printed Circuit Board Connector Wiring Di
agram
65
Power Supply PCB (PCB 2)
Display PCB (PCB 3)
Signal Receiver PCB (P
CB 4)
S3
6
P
b
Fr
ee
S
W1
S3
1
P
b
F
ree
75
77
Table of Contents
Default Chapter
3
Table of Contents
3
Introduction
8
Safety Cautions
8
Caution in Repair
8
Cautions Regarding Products after Repair
9
Inspection after Repair
10
Using Icons
11
Using Icons List
11
Part 1 List of Functions
12
List of Functions
13
Cooling Only Models
13
Heat Pump Models
19
Part 2 Specifications
28
Indoor Units - Cooling Only
29
Outdoor Units - Cooling Only
41
Indoor Units - Heat Pump
47
Outdoor Units - Heat Pump
62
Part 3 Printed Circuit Board Connector Wiring Diagram
68
Printed Circuit Board Connector Wiring Diagram
69
Wall Mounted Type 20 / 25 / 35 Class
69
Pcb Detail
71
Wall Mounted Type 50 / 60 / 71 Class
72
Duct Connected Type
74
Floor / Ceiling Suspended Dual Type
75
Floor Standing Type
77
Outdoor Units
79
Part 4 Function and Control
80
Main Functions
81
Frequency Principle
81
Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing
83
Fan Speed Control for Indoor Units
84
Programme Dry Function
85
Automatic Operation
86
Night Set Mode
87
Intelligent Eye
88
Home Leave Operation
90
Inverter Powerful Operation
91
Other Functions
92
Function of Main Structural Parts
94
Main Structural Parts
94
Function of Thermistor
95
Heat Pump Model
95
Cooling Only Model
97
Control Specification
99
Mode Hierarchy
99
Frequency Control
100
Controls at Mode Changing / Start-Up
102
Discharge Pipe Control
103
Input Current Control
103
Freeze-Up Protection Control
104
Heating Peak-Cut Control
104
Fan Control
105
Moisture Protection Function 2
105
Defrost Control
106
Low Hz High Pressure Limit
106
Electronic Expansion Valve Control
107
Target Discharge Pipe Temperature Control
110
Sc Control
110
Malfunctions
112
Sensor Malfunction Detection
112
Insufficient Gas Control
112
Forced Operation Mode
113
Wiring-Error Check
114
Additional Function
116
Part 5 System Configuration
118
System Configuration
119
Operation Instructions
119
System Configuration Part
119
Instruction
120
Contents and Reference Page
120
Safety Precautions
121
Installation Site
122
Electrical Work
122
Names of Parts
123
Indoor Unit
124
Remote Control
134
Preparation before Operation
135
To Set the Clock
137
AUTO · DRY · COOL · HEAT · FAN Operation
138
To Change the Air Flow Rate Setting
139
Adjusting the Air Flow Direction
140
POWERFUL Operation
146
OUTDOOR UNIT SILENT Operation
147
HOME LEAVE Operation
148
INTELLIGENT EYE Operation
150
TIMER Operation
154
To Use on Timer Operation
155
To Combine on Timer and off Timer
155
Note for Multi System
156
Priority Room Setting
157
Care and Cleaning
158
Air Filter
159
Before a Long Idle Period
160
Front Grille
161
Troubleshooting
168
Check Again
169
Call the Service Shop Immediately
170
Part 6 Service Diagnosis
172
Caution for Diagnosis
173
Troubleshooting with the Operation Lamp
173
Problem Symptoms and Measures
175
Service Check Function
176
Code Indication on the Remote Controller
177
Error Codes and Description of Fault
177
Troubleshooting
178
Indoor Units
178
Outdoor Units
179
Indoor Unit PCB Abnormality
180
Freeze-Up Protection Control or High Pressure Control
181
Fan Motor or Related Abnormality
183
Ac Motor
183
DC Motor
184
Thermistor or Related Abnormality (Indoor Unit)
186
Shutter Drive Motor / Shutter Limit Switch Abnormality
187
Signal Transmission Error (between Indoor and Outdoor Units)
188
Unspecified Voltage (between Indoor and Outdoor Units)
189
Freeze-Up Protection Control
190
OL Activation (Compressor Overload)
192
Compressor Lock
193
DC Fan Lock
194
Input over Current Detection
195
Four Way Valve Abnormality
197
Discharge Pipe Temperature Control
199
Position Sensor Abnormality
200
CT or Related Abnormality
201
Thermistor or Related Abnormality (Outdoor Unit)
203
Electrical Box Temperature Rise
205
Radiation Fin Temperature Rise
207
Output over Current Detection
209
Insufficient Gas
211
Low-Voltage Detection
213
Anti-Icing Function in Other Rooms / Unspecified Voltage (between Indoor and Outdoor Units)
214
Check
215
How to Check
215
Electronic Expansion Valve Check
216
Four Way Valve Performance Check
217
Thermistor Resistance Check
218
Installation Condition Check
219
Discharge Pressure Check
220
Power Supply Waveforms Check
221
Inverter Units Refrigerant System Check
221
Capacitor Voltage Check
222
Power Transistor Check
222
Main Circuit Electrolytic Capacitor Check
223
Hall IC Check
224
Part 7 Removal Procedure
226
Outdoor Unit (80 / 90 Class)
227
Removal of Outer Panels
227
Removal of Propeller Fans
230
Removal of Electrical Box
231
Removal of PCB
238
Removal of Fan Motor
241
Removal of Electronic Expansion Valve and Thermistor
243
Removal of Sound Insulation and Reactor
244
Removal of Shunt
246
Removal of Solenoid Valve and Four Way Valve
247
Removal of Compressor
249
Outdoor Unit (50 / 52 / 58 / 68 / 75 Class)
251
Removal of Outer Panels
251
Removal of Electrical BOX
252
Removal of PCB
256
Removal of Fan Motor
259
Removal of Sound Insulation
260
Removal of Four Way Valve Coil, Solenoid Valve Coil, Electronic Expansion Valve Coil and Thermistor
261
Removal of Four Way Valve, Solenoid Valve and Shunt
263
Removal of Solenoid Valve and Shunt
264
Removal of Compressor
265
Part 8 Others
266
Others
267
Test Run from the Remote Controller
267
Jumper Settings
268
Part 9 Appendix
270
Piping Diagrams
271
Indoor Units
271
Outdoor Units
277
Heat Pump
282
Wiring Diagrams
284
Indoor Units
284
Outdoor Units
287
4
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Daikin Super Multi NX C-Series Specifications
General
Brand
Daikin
Model
Super Multi NX C-Series
Category
Air Conditioner
Language
English
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