Daikin RX12WMVJU9 Manuals

Manuals and User Guides for Daikin RX12WMVJU9. We have 2 Daikin RX12WMVJU9 manuals available for free PDF download: Service Manual, Installation Manual

Daikin RX12WMVJU9 Service Manual (247 pages)

Brand: Daikin | Category: Air Conditioner | Size: 26 MB

Table of Contents
2
Introduction
7
Safety Cautions
8
Warnings and Cautions Regarding Safety of Workers
8
Warnings and Cautions Regarding Safety of Users
10
Icons Used
13
Revision History
14
Part 1 General Information
15
Applicable Models
16
Functions
17
Part 2 Specifications
19
Specifications
20
Wall Mounted Type
20
Duct Concealed Type
23
Ceiling Cassette Type
26
Part 3 Printed Circuit Board Connector Wiring Diagram
30
Indoor Unit
31
Ftxr09/12/18Wvjuw(S)9
31
Fdmq09/12/15/18/24Wvju9
33
Ffq09/12/15/18W2Vju9(8)
35
Sensor Kit for FFQ Series
36
Bryq60A2W(S)
36
Wired Remote Controller
37
Brc1E73
37
Wireless Remote Controller Receiver for FDMQ Series
38
Brc082A43
38
Wireless Remote Controller Kit for FFQ Series
39
Brc082A41W, Brc082A42W(S)
39
Outdoor Unit
40
Rx09/12Wmvju9
40
Rx15/18/24Wmvju9
42
Part 4 Functions and Control
44
Common Functions
46
Temperature Control
46
Frequency Principle
46
Functions for FTXR Series
48
Airflow Direction Control
48
Fan Speed Control for Indoor Unit
49
Program Dry Operation
50
Automatic Cooling/Heating Changeover
51
Thermostat Control
52
NIGHT SET Mode
53
ECONO Operation
53
2-Area INTELLIGENT EYE Operation
54
POWERFUL Operation
56
Multi-Monitor Lamp/Timer Lamp
57
Clock Setting
58
WEEKLY TIMER Operation
59
Other Functions
65
Functions for FDMQ/FFQ Series
66
Airflow Direction Control
66
Fan Speed Control for Indoor Unit
67
Program Dry Operation
68
Clock and Calendar Setting (with BRC1E73)
69
Schedule Timer Operation (with BRC1E73)
71
Setback Function (with BRC1E73)
75
Drain Pump Control
76
Hot Start Control (in Heating Operation Only)
78
Presence and Floor Sensors (Option)
79
Other Functions
82
Thermistor Functions
84
Control Specification
85
Mode Hierarchy
85
Frequency Control
85
Controls at Mode Changing/Start-Up
87
Discharge Pipe Temperature Control
90
Input Current Control
91
High Pressure Protection Control
92
Freeze-Up Protection Control
93
Heating Peak-Cut Control
94
Outdoor Fan Control
95
Liquid Compression Protection Function
95
Defrost Control
96
Electronic Expansion Valve Control
97
Malfunctions
100
Part 5 Remote Controller
101
Applicable Remote Controller
102
Arc466A36
103
Brc082A43
105
Brc082A41W, Brc082A42W(S)
107
Brc944B2
109
Brc1E73
110
Part 6 Service Diagnosis
116
General Problem Symptoms and Check Items
118
Troubleshooting with LED
119
Indoor Unit
119
Outdoor Unit
121
Service Diagnosis
122
ARC466 Series
122
Brc1E73
125
Brc082A43, Brc082A41W, Brc082A42W(S)
127
Error Codes and Description
131
Troubleshooting for FTXR Series
132
Indoor Unit PCB Abnormality
132
Freeze-Up Protection Control/Heating Peak-Cut Control
134
Indoor Fan Motor (DC Motor) or Related Abnormality
135
Thermistor or Related Abnormality
138
Front Panel Open/Close Fault
139
Low-Voltage Detection or Over-Voltage Detection
140
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
142
Unspecified Voltage (between Indoor Unit and Outdoor Unit)
144
Troubleshooting for FDMQ, FFQ Series
145
Indoor Unit PCB Abnormality
145
Drain Level Control System Abnormality
146
Indoor Fan Motor or Related Abnormality
147
Indoor Fan PCB Abnormality
152
Humidifier or Related Abnormality
153
Thermistor or Related Abnormality
154
Presence Sensor or Floor Sensor Abnormality
155
Remote Controller Thermistor Abnormality
156
Low-Voltage Detection or Over-Voltage Detection
157
Signal Transmission Error (between Indoor and Outdoor Unit)
159
Signal Transmission Error (between Indoor Unit and Remote Controller)
161
Signal Transmission Error (between MAIN/SUB Remote Controllers)
162
Unspecified Voltage (between Indoor Unit and Outdoor Unit)
163
Troubleshooting for Outdoor Unit
164
Outdoor Unit PCB Abnormality
164
Actuation of High Pressure Switch
165
OL Activation (Compressor Overload) or HPS Activation (High Pressure Switch)
167
OL Activation (Compressor Overload)
170
Compressor Lock
173
DC Fan Lock
174
Input Overcurrent Detection
175
Four Way Valve Abnormality
177
Discharge Pipe Temperature Control
179
High Pressure Control in Cooling
180
System Shutdown Due to Temperature Abnormality in the Compressor
182
Compressor Sensor System Abnormality
183
Position Sensor Abnormality
184
DC Voltage/Current Sensor Abnormality
187
Thermistor or Related Abnormality (Outdoor Unit)
188
Electrical Box Temperature Rise
190
Radiation Fin Temperature Rise
191
Output Overcurrent Detection
193
Check
196
Thermistor Resistance Check
196
Indoor Fan Motor Connector Check
197
Power Supply Waveform Check
198
Electronic Expansion Valve Check
199
Four Way Valve Performance Check
200
Inverter Unit Refrigerant System Check
200
Inverter Analyzer Check
201
Outdoor Fan Motor Check
204
Installation Condition Check
205
Discharge Pressure Check
205
Outdoor Fan System Check
206
Main Circuit Short Check
206
Power Module Check
208
Part 7 Trial Operation and Field Settings
210
Pump down Operation
211
Forced Cooling Operation
212
Trial Operation
214
FTXR Series
214
FDMQ, FFQ Series
215
Field Settings for FTXR Series
218
Temperature Display Switch
218
When 2 Units Are Installed in 1 Room
218
Jumper and Switch Settings
219
Field Settings for FDMQ, FFQ Series
220
How to Change the Field Settings
220
Overview of Field Settings for FDMQ Series
223
Overview of Field Settings for FFQ Series
224
MAIN/SUB Setting When Using 2 Wired Remote Controllers
225
MAIN/SUB and Address Setting for Wireless Remote Controller for FDMQ Series
226
MAIN/SUB and Address Setting for Wireless Remote Controller for FFQ Series
229
Field Settings for Outdoor Unit
232
Facility Setting (Cooling at Low Outdoor Temperature)
232
Warmer Airflow Setting
233
Drain Pan Heater
234
Silicone Grease on Power Transistor/Diode Bridge
235
Part 8 Appendix
236
Piping Diagrams
237
Indoor Unit
237
Outdoor Unit
238
Wiring Diagrams
240
Indoor Unit
240
Outdoor Unit
244
Operation Limit
246

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