Daikin 5MXS48WVJU9 Manuals

Manuals and User Guides for Daikin 5MXS48WVJU9. We have 1 Daikin 5MXS48WVJU9 manual available for free PDF download: Service Manual

Daikin 5MXS48WVJU9 Service Manual (303 pages)

Multi-Split Type Air Conditioners

Brand: Daikin | Category: Air Conditioner | Size: 37.21 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
Indoor Unit
17
Outdoor Unit
19
Part 2 Specifications
20
Specifications
21
Indoor Unit
21
Outdoor Unit
29
Part 3 Printed Circuit Board Connector Wiring Diagram
35
Indoor Unit
36
Ctxs07Wvju9, Ftxs09/12/15/18/24Wvju9
36
Ftxr09/12/18Wvjuw(S)9
39
Fvxs09/12/15/18Wvju9
41
Cdmq07Wvju9, Fdmq09/12/15/18/24Wvju9
43
Ffq09/12/15/18W2Vju9
45
Sensor Kit for FFQ Series
46
Bryq60A2W(S)
46
Wired Remote Controller
47
Brc1E73
47
Wireless Remote Controller Receiver for FDMQ Series
48
Brc082A43
48
Wireless Remote Controller Kit for FFQ Series
49
Brc082A41W, Brc082A42W(S)
49
Outdoor Unit
50
2/3/4Mxs-Wmvju9, 2/3Mxl-Wmvju9, 2/3Mxlh-Wvju9
50
5Mxs-Wvju9, 4Mxl-Wvju9, 4Mxlh-Wvju9
53
Part 4 Functions and Control
56
Common Functions
58
Temperature Control
58
Frequency Principle
58
Functions for Wall Mounted / Floor Standing Type
60
Airflow Direction Control
60
Fan Speed Control for Indoor Unit
63
Program Dry Operation
64
Automatic Cooling/Heating Changeover
65
Thermostat Control
66
NIGHT SET Mode
67
ECONO Operation
68
2-Area INTELLIGENT EYE Operation
69
INTELLIGENT EYE Operation
71
POWERFUL Operation
72
Multi-Monitor Lamp/Timer Lamp
73
Clock Setting
74
WEEKLY TIMER Operation
75
Other Functions
81
Functions for Duct Concealed / Ceiling Cassette Type
83
Airflow Direction Control
83
Fan Speed Control for Indoor Unit
84
Program Dry Operation
85
Clock and Calendar Setting (with BRC1E73)
86
Schedule Timer Operation (with BRC1E73)
88
Setback Function (with BRC1E73)
92
Drain Pump Control
93
Hot Start Control (in Heating Operation Only)
95
Presence and Floor Sensors (Option)
96
Other Functions
99
Control Specification
101
Thermistor Functions
101
Mode Hierarchy
103
Frequency Control
104
Controls at Mode Changing/Start-Up
106
Discharge Pipe Temperature Control
108
Input Current Control
109
Freeze-Up Protection Control
110
Heating Peak-Cut Control
112
High Pressure Protection Control
113
Outdoor Fan Control
114
Liquid Compression Protection Function
114
Defrost Control
114
Low Hz High Pressure Limit
116
Electronic Expansion Valve Control
117
Malfunctions
122
Part 5 Remote Controller
123
Applicable Remote Controller
124
Arc452A21
125
Arc466A36
127
Arc466A21
129
Brc944B2
131
Brc1E73
132
Brc082A43
138
Brc082A41W, Brc082A42W(S)
140
Part 6 Service Diagnosis
142
General Problem Symptoms and Check Items
144
Troubleshooting with LED
145
Indoor Unit
145
Outdoor Unit
147
Service Diagnosis
148
ARC452 Series
148
ARC466 Series
151
Brc1E73
154
Brc082A43, Brc082A41W, Brc082A42W(S)
156
Code Indication on Remote Controller
160
Wall Mounted/Floor Standing Type
160
Duct Concealed/Ceiling Cassette Type
160
Outdoor Unit
161
Troubleshooting for Wall Mounted/Floor Standing Type
162
Indoor Unit PCB Abnormality
162
Freeze-Up Protection Control/Heating Peak-Cut Control
164
Indoor Fan Motor (DC Motor) or Related Abnormality
165
Thermistor or Related Abnormality
168
Front Panel Open/Close Fault
169
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
170
Mismatching of Indoor Unit and Outdoor Unit
173
Troubleshooting for Duct Concealed/Ceiling Cassette Type
174
Indoor Unit PCB Abnormality
174
Drain Level Control System Abnormality
175
Indoor Fan Motor or Related Abnormality
176
Indoor Fan PCB Abnormality
181
Humidifier or Related Abnormality
182
Thermistor or Related Abnormality
183
Presence Sensor or Floor Sensor Abnormality
184
Remote Controller Thermistor Abnormality
185
Signal Transmission Error (between Indoor and Outdoor Unit)
186
Signal Transmission Error (between Indoor Unit and Remote Controller)
188
Signal Transmission Error (between MAIN/SUB Remote Controllers)
189
Mismatching of Indoor Unit and Outdoor Unit
190
Troubleshooting for Outdoor Unit
191
Refrigerant Shortage
191
Low-Voltage Detection or Over-Voltage Detection
194
Wiring Error Check Unexecuted
196
Unspecified Voltage (between Indoor Unit and Outdoor Unit), Anti-Icing Control in Other Rooms
197
Anti-Icing Control for Indoor Unit
198
Outdoor Unit PCB Abnormality
200
Actuation of High Pressure Switch
201
OL Activation (Compressor Overload)
203
Compressor Lock
206
DC Fan Lock
208
Input Overcurrent Detection
209
Four Way Valve Abnormality
211
Discharge Pipe Temperature Control
213
High Pressure Control in Cooling
214
Compressor Sensor System Abnormality
216
Position Sensor Abnormality
218
Thermistor or Related Abnormality (Outdoor Unit)
221
Electrical Box Temperature Rise
223
Radiation Fin Temperature Rise
225
Output Overcurrent Detection
227
Check
230
Thermistor Resistance Check
230
Indoor Fan Motor Connector Check
231
Power Supply Waveform Check
232
Electronic Expansion Valve Check
233
Four Way Valve Performance Check
234
Inverter Unit Refrigerant System Check
235
Inverter Analyzer Check
235
Outdoor Fan Motor Check
237
Installation Condition Check
238
Discharge Pressure Check
238
Outdoor Fan System Check
239
Main Circuit Short Check
239
Capacitor Voltage Check
242
Power Module Check
243
Part 7 Trial Operation and Field Settings
245
Pump down Operation
246
Forced Cooling Operation
247
Wiring Error Check Function
249
Trial Operation
251
Wall Mounted/Floor Standing Type
251
Duct Concealed/Ceiling Cassette Type
253
Field Settings
256
Wall Mounted/Floor Standing Type
256
Duct Concealed/Ceiling Cassette Type
262
Outdoor Unit
274
Silicone Grease on Power Transistor/Diode Bridge
280
Part 8 Appendix
281
Piping Diagrams
282
Indoor Unit
282
Outdoor Unit
285
Wiring Diagrams
288
Indoor Unit
288
Outdoor Unit
294
Operation Limit
302

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Daikin 5MXS48WVJU9 Service Manual (303 pages)

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