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FTX15NMVJU
Daikin FTX15NMVJU Service Manual
242 pages
Manual
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[Applied Models]
In
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Heat Pump
Se
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Manual
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2
Table of Contents
Default Chapter
2
Table of Contents
2
Introduction
6
Safety Cautions
7
Warnings and Cautions Regarding Safety of Workers
7
Warnings and Cautions Regarding Safety of Users
9
Icons Used
12
Revision History
13
Part 1 General Information
14
Applicable Models
15
Functions
16
Part 2 Specifications
18
Specifications
19
Part 3 Printed Circuit Board Connector Wiring Diagram
26
Indoor Unit
27
Ftx09/12Nmvju
27
Ftx15Nmvju
29
Ftx18/24Uvju
31
Fvxs09/12/15Nvju
33
Fdmq12/18/24Rvju
35
Wireless Remote Controller Receiver
37
Brc082A43
37
Wired Remote Controller
38
Brc1E73
38
Outdoor Unit
39
Rxl09Qmvju
39
Rxl12Qmvju(9)
41
Rxl15Qmvju
43
Rxl18/24Umvju
44
Optional Adaptor
47
BRP072A43 Wireless LAN Adaptor
47
KRP067A41/KRP980B2 Remote Control PC-Board Set
47
Part 4 Functions and Control
48
Common Functions
49
Temperature Control
49
Frequency Principle
49
Functions for FTX, FVXS Series
51
Airflow Direction Control
51
COMFORT AIRFLOW Operation
54
Fan Speed Control for Indoor Unit
55
Program Dry Operation
56
Automatic Cooling/Heating Changeover
57
Thermostat Control
58
NIGHT SET Mode
59
ECONO Operation
60
INTELLIGENT EYE Operation
61
POWERFUL Operation
62
Clock Setting
63
WEEKLY TIMER Operation
64
Other Functions
70
Functions for FDMQ Series
71
Fan Speed Control for Indoor Unit
71
Program Dry Operation
72
Clock and Calender Setting (with BRC1E73)
73
Schedule Timer Operation (with BRC1E73)
75
Drain Pump Control
78
Hot Start Control (in Heating Operation Only)
80
Other Functions
81
Thermistor Functions
82
Control Specification
83
Mode Hierarchy
83
Frequency Control
83
Controls at Mode Changing/Start-Up
85
Discharge Pipe Temperature Control
87
Input Current Control
88
Freeze-Up Protection Control
89
Heating Peak-Cut Control
89
Outdoor Fan Control
90
Liquid Compression Protection Function
90
Defrost Control
91
Electronic Expansion Valve Control
92
Malfunctions
95
Part 5 Remote Controller
96
Applicable Remote Controller
97
Arc466A21
98
Arc466A37
100
Arc480A8
102
Brc082A43
103
Brc1E73
105
Part 6 Service Diagnosis
111
General Problem Symptoms and Check Items
113
Troubleshooting with LED
114
Indoor Unit
114
Outdoor Unit
115
Service Diagnosis
116
ARC480 Series
116
ARC466 Series
119
Brc1E73
122
Brc082A43
124
Error Codes and Description
128
Troubleshooting for FTX, FVXS Series
129
Indoor Unit PCB Abnormality
129
Freeze-Up Protection Control/Heating Peak-Cut Control
131
Indoor Fan Motor (DC Motor) or Related Abnormality
133
Thermistor or Related Abnormality
137
Low-Voltage Detection or Over-Voltage Detection
138
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
140
Unspecified Voltage (between Indoor Unit and Outdoor Unit)
142
Troubleshooting for FDMQ Series
143
Indoor Unit PCB Abnormality
143
Drain Level Control System Abnormality
144
Indoor Fan Motor (DC Motor) or Related Abnormality
145
Indoor Fan PCB Abnormality
147
Humidifier or Related Abnormality
148
Thermistor or Related Abnormality
149
Remote Controller Thermistor Abnormality
150
Low-Voltage Detection or Over-Voltage Detection
151
Signal Transmission Error (between Indoor and Outdoor Unit)
153
Signal Transmission Error (between Indoor Unit and Remote Controller)
155
Signal Transmission Error (between MAIN/SUB Remote Controllers)
156
Mismatching of Indoor Unit and Outdoor Unit
157
Troubleshooting for Outdoor Unit
158
Outdoor Unit PCB Abnormality
158
OL Activation (Compressor Overload)
159
Compressor Lock
162
DC Fan Lock
163
Input Overcurrent Detection
164
Four Way Valve Abnormality
166
Discharge Pipe Temperature Control
168
High Pressure Control in Cooling
170
System Shutdown Due to Temperature Abnormality in the Compressor
172
Compressor Sensor System Abnormality
173
Position Sensor Abnormality
174
Thermistor or Related Abnormality (Outdoor Unit)
177
Electrical Box Temperature Rise
179
Radiation Fin Temperature Rise
181
Output Overcurrent Detection
183
Signal Transmission Error on Outdoor Unit PCB
185
Check
186
Thermistor Resistance Check
186
Indoor Fan Motor Connector Check
187
Power Supply Waveform Check
189
Electronic Expansion Valve Check
189
Four Way Valve Performance Check
190
Inverter Unit Refrigerant System Check
190
Inverter Analyzer Check
191
Rotation Pulse Check on the Outdoor Unit PCB
194
Installation Condition Check
195
Discharge Pressure Check
195
Outdoor Fan System Check
196
Main Circuit Short Check
196
Power Module Check
199
Part 7 Trial Operation and Field Settings
202
Pump down Operation
203
Forced Cooling Operation
204
Trial Operation
207
Field Settings for FTX, FVXS Series
211
Temperature Display Switch
211
When 2 Units Are Installed in 1 Room
212
Jumper and Switch Settings
214
Field Settings for FDMQ Series
215
How to Change the Field Settings
215
Overview of Field Settings
218
MAIN/SUB and Address Setting for Wireless Remote Controller
219
Field Settings for Outdoor Unit
222
Facility Setting (Cooling at Low Outdoor Temperature)
222
Drain Pan Heater
223
Silicone Grease on Power Transistor/Diode Bridge
224
Part 8 Appendix
225
Piping Diagrams
226
Indoor Unit
226
Outdoor Unit
228
Wiring Diagrams
231
Indoor Unit
231
Outdoor Unit
236
Operation Limit
241
Other manuals for Daikin FTX15NMVJU
Operation Manual
32 pages
Installation Manual
14 pages
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Daikin FTX15NMVJU Specifications
General
Type
Split System
Cooling Capacity
1.5 kW
Refrigerant
R32
Power Supply
220-240V, 50Hz
Indoor Unit Weight
8 kg
Indoor Noise Level
21 dB(A) (Quiet Mode)
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