Daikin FDMQ18RVJU Manuals

Manuals and User Guides for Daikin FDMQ18RVJU. We have 10 Daikin FDMQ18RVJU manuals available for free PDF download: Service Manual, Manual, Installation Manual, Operation Manual

Daikin FDMQ18RVJU Service Manual (299 pages)

Multi-Split Type Air Conditioners

Brand: Daikin | Category: Air Conditioner | Size: 7.27 MB

Table of Contents
2
Introduction

7
Part 1 General Information

15
- Applicable Models
  16
  - Heat Pump
    16
- Functions
  17
  - RA Indoor Unit
    17
  - SA Indoor Unit
    23
  - Outdoor Unit
    27
Part 2 Specifications

28
- Specifications
  29
  - RA Indoor Unit
    29
  - SA Indoor Unit
    37
  - Outdoor Unit
    40
Part 3 Printed Circuit Board Connector Wiring Diagram

42
- Indoor Unit
  43
  - Ftxr09/12/18Tvjuw(S), Ctxg09/12/18Qvjuw(S)
    43
  - Ctxs07Lvju, Ftxs09/12Lvju
    45
  - Ftxs15/18/24Lvju
    47
  - Fdxs09/12Lvju, Cdxs15/18/24Lvju
    49
  - Fvxs09/12/15/18Nvju
    51
  - Fdmq09/12/15/18/24Rvju
    53
  - Ffq09/12/15/18Q2Vju
    55
- Sensor Kit for FFQ Series
  56
  - Bryq60A2W(S)
    56
- Wired Remote Controller
  57
  - Brc1E73
    57
- Wireless Remote Controller Receiver for FDMQ Series
  58
  - Brc082A43
    58
- Wireless Remote Controller Kit for FFQ Series
  59
  - Brc082A41W, Brc082A42W(S)
    59
- Outdoor Unit
  60
Part 4 Functions and Control

63
- Common Functions
  65
  - Temperature Control
    65
  - Frequency Principle
    65
- RA Indoor Unit Functions
  67
  - Airflow Direction Control
    67
  - Fan Speed Control for Indoor Unit
    70
  - Program Dry Operation
    71
  - Automatic Cooling/Heating Changeover
    72
  - Thermostat Control
    73
  - NIGHT SET Mode
    74
  - ECONO Operation
    75
  - 2-Area INTELLIGENT EYE Operation
    76
  - INTELLIGENT EYE Operation
    78
  - POWERFUL Operation
    79
  - Multi-Monitor Lamp/Timer Lamp
    80
  - Clock Setting
    81
  - WEEKLY TIMER Operation
    82
  - Other Functions
    88
- SA Indoor Unit Functions
  90
- Control Specification
  108
  - Thermistor Functions
    108
  - Mode Hierarchy
    110
  - Frequency Control
    111
  - Controls at Mode Changing/Start-Up
    113
  - Discharge Pipe Temperature Control
    115
  - Input Current Control
    116
  - Freeze-Up Protection Control
    117
  - Heating Peak-Cut Control
    119
  - Outdoor Fan Control
    120
  - Liquid Compression Protection Function
    120
  - Defrost Control
    120
  - Low Hz High Pressure Limit
    122
  - Electronic Expansion Valve Control
    122
  - Malfunctions
    127
Part 5 Remote Controller

128
- Applicable Remote Controller
  129
- Arc466A36
  130
- Arc452A21
  132
- Arc452A23
  134
- Arc466A21
  136
- BRC944B2 Wired Remote Controller
  138
- BRC1E73 Wired Remote Controller
  139
- BRC082A43 Wireless Remote Controller
  145
- BRC082A41W, BRC082A42W(S) Wireless Remote Controller
  147
Part 6 Service Diagnosis

149
- General Problem Symptoms and Check Items
  151
- Troubleshooting with LED
  152
  - Indoor Unit
    152
  - Outdoor Unit
    155
- Service Diagnosis
  156
- Code Indication on Remote Controller
  168
  - RA Indoor Unit
    168
  - SA Indoor Unit
    168
  - Outdoor Unit
    169
- Troubleshooting for RA Indoor Unit
  170
- Troubleshooting for SA Indoor Unit
  184
- Troubleshooting for Outdoor Unit
  201
  - Refrigerant Shortage
    201
  - Low-Voltage Detection or Over-Voltage Detection
    204
  - Wiring Error Check Unexecuted
    206
  - Unspecified Voltage (between Indoor Unit and Outdoor Unit), Anti-Icing Control in Other Rooms
    207
  - Anti-Icing Control for Indoor Unit
    208
  - Outdoor Unit PCB Abnormality
    210
  - OL Activation (Compressor Overload)
    211
  - Compressor Lock
    214
  - DC Fan Lock
    216
  - Input Overcurrent Detection
    218
  - Four Way Valve Abnormality
    220
  - Discharge Pipe Temperature Control
    222
  - High Pressure Control in Cooling
    223
  - Compressor Sensor System Abnormality
    225
  - Position Sensor Abnormality
    227
  - Thermistor or Related Abnormality (Outdoor Unit)
    230
  - Electrical Box Temperature Rise
    232
  - Radiation Fin Temperature Rise
    233
  - Output Overcurrent Detection
    235
- Check
  238
  - Thermistor Resistance Check
    238
  - Indoor Fan Motor Connector Check
    239
  - Hall IC Check
    240
  - Power Supply Waveform Check
    241
  - Electronic Expansion Valve Check
    242
  - Four Way Valve Performance Check
    243
  - Inverter Unit Refrigerant System Check
    243
  - Inverter Analyzer Check
    244
  - Rotation Pulse Check on the Outdoor Unit PCB
    246
  - Installation Condition Check
    246
  - Discharge Pressure Check
    247
  - Outdoor Fan System Check
    247
  - Main Circuit Short Check
    248
  - Capacitor Voltage Check
    250
  - Power Module Check
    251
Part 7 Trial Operation and Field Settings

252
- Pump down Operation
  253
- Forced Cooling Operation
  254
- Wiring Error Check Function
  255
- Trial Operation
  257
  - RA Indoor Unit
    257
  - SA Indoor Unit
    259
- Field Settings
  262
  - RA Indoor Unit
    262
  - SA Indoor Unit
    268
  - Outdoor Unit
    280
- Silicone Grease on Power Transistor/Diode Bridge
  283
Part 8 Appendix

284
- Piping Diagrams
  285
  - Indoor Unit
    285
  - Outdoor Unit
    288
- Wiring Diagrams
  289
  - Indoor Unit
    289
- Outdoor Unit
  296
- Operation Limit
  298

Daikin FDMQ18RVJU Service Manual (282 pages)

Multi-Split Type Air Conditioners

Brand: Daikin | Category: Air Conditioner | Size: 14.64 MB

Table of Contents
3
Safety Cautions
8
- Warnings and Cautions Regarding Safety of Workers
  8
- Warnings and Cautions Regarding Safety of Users
  10
Icons Used
13
Part 1 List of Functions

14
- RA Indoor Unit
  15
- SA Indoor Unit
  20
- Outdoor Unit
  22
Part 2 Specifications

23
- RA Indoor Unit
  24
- SA Indoor Unit
  32
- Outdoor Unit
  35
Part 3 Printed Circuit Board Connector Wiring Diagram

38
- Indoor Unit
  39
  - Ctxg09/12/18Qvjuw(S), Ftxr09/12/18Tvjuw(S)
    39
  - Ctxs07Lvju, Ftxs09/12Lvju
    41
  - Ftxs15/18/24Lvju
    43
  - Cdxs07/15/18/24Lvju, Fdxs09/12Lvju
    45
  - Fvxs09/12/15/18Nvju
    47
  - Fdmq09/12/15/18/24Rvju
    49
  - Ffq09/12/15/18Q2Vju
    51
- Sensor Kit for FFQ Series
  52
  - Bryq60A2W(S)
    52
- Wired Remote Controller
  53
  - Brc1E73
    53
- Wireless Remote Controller Receiver for FDMQ Series
  54
  - Brc082A43
    54
- Wireless Remote Controller Kit for FFQ Series
  55
  - Brc082A41W, Brc082A42W(S)
    55
- Outdoor Unit
  56
Part 4 Functions and Control

59
- Common Functions
  61
  - Temperature Control
    61
  - Frequency Principle
    61
- RA Indoor Unit Functions
  63
  - Airflow Direction Control
    63
  - Fan Speed Control for Indoor Unit
    67
  - Program Dry Operation
    68
  - Automatic Operation
    69
  - Thermostat Control
    70
  - NIGHT SET Mode
    71
  - ECONO Operation
    72
  - 2-Area INTELLIGENT EYE Operation
    73
  - INTELLIGENT EYE Operation
    75
  - POWERFUL Operation
    76
  - Multi-Monitor Lamp/Timer Lamp
    77
  - Clock Setting
    78
  - WEEKLY TIMER Operation
    79
  - Other Functions
    85
- SA Indoor Unit Functions
  87
- Control Specification
  103
  - Thermistor Functions
    103
  - Mode Hierarchy
    105
  - Frequency Control
    106
  - Controls at Mode Changing/Start-Up
    108
  - Discharge Pipe Temperature Control
    109
  - Input Current Control
    110
  - Freeze-Up Protection Control
    111
  - Heating Peak-Cut Control
    113
  - Outdoor Fan Control
    114
  - Liquid Compression Protection Function
    114
  - Defrost Control
    115
  - Low Hz High Pressure Limit
    116
  - Electronic Expansion Valve Control
    117
  - Malfunctions
    122
Part 5 Remote Controller

123
- Applicable Remote Controller
  124
- Arc466A36
  125
- Arc452A21
  127
- Arc452A23
  129
- Arc466A21
  131
- Wired Remote Controller (BRC944B2)
  133
- Wired Remote Controller (BRC1E73)
  134
- Wireless Remote Controller (BRC082A43)
  140
- Wireless Remote Controller (BRC082A41W, BRC082A42W(S))
  142
Part 6 Service Diagnosis

144
- General Problem Symptoms and Check Items
  146
- Troubleshooting with LED
  147
  - Indoor Unit
    147
  - Outdoor Unit
    149
- Service Diagnosis
  150
  - RA Indoor Unit
    150
  - SA Indoor Unit
    156
- Code Indication on Remote Controller
  162
  - RA Indoor Unit
    162
  - SA Indoor Unit
    162
  - Outdoor Unit
    163
- Troubleshooting for RA Indoor Unit
  164
- Troubleshooting for SA Indoor Unit
  176
- Troubleshooting for Outdoor Unit
  192
  - Refrigerant Shortage
    192
  - 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
  - OL Activation (Compressor Overload)
    201
  - Compressor Lock
    203
  - DC Fan Lock
    204
  - Input Overcurrent Detection
    205
  - Four Way Valve Abnormality
    206
  - Discharge Pipe Temperature Control
    208
  - High Pressure Control in Cooling
    209
  - Compressor Sensor System Abnormality
    210
  - Position Sensor Abnormality
    212
  - CT or Related Abnormality
    214
  - Thermistor or Related Abnormality (Outdoor Unit)
    216
  - Electrical Box Temperature Rise
    218
  - Radiation Fin Temperature Rise
    219
  - Output Overcurrent Detection
    220
- Check
  222
  - Thermistor Resistance Check
    222
  - Indoor Fan Motor Connector Check
    223
  - Hall IC Check
    224
  - Power Supply Waveform Check
    224
  - Electronic Expansion Valve Check
    225
  - Four Way Valve Performance Check
    226
  - Inverter Unit Refrigerant System Check
    226
  - Inverter Analyzer Check
    227
  - Rotation Pulse Check on the Outdoor Unit PCB
    228
  - Installation Condition Check
    229
  - Discharge Pressure Check
    229
  - Outdoor Fan System Check
    230
  - Main Circuit Short Check
    230
  - Capacitor Voltage Check
    231
  - Power Module Check
    232
Part 7 Trial Operation and Field Settings

233
- Pump down Operation
  234
- Forced Cooling Operation
  235
- Wiring Error Check Function
  236
- Trial Operation
  238
  - RA Indoor Unit
    238
  - SA Indoor Unit
    240
- Field Settings
  243
  - Outdoor Unit
    243
  - RA Indoor Unit
    245
  - SA Indoor Unit
    250
- Silicone Grease on Power Transistor/Diode Bridge
  262
Part 8 Appendix

263
- Piping Diagrams
  264
  - Indoor Unit
    264
  - Outdoor Unit
    267
- Wiring Diagrams
  269
  - Indoor Unit
    269
  - Outdoor Unit
    276
  - Operation Limit
    280

Daikin FDMQ18RVJU Service Manual (242 pages)

Inverter Pair: Wall Mounted Type, Floor Standing Type, Duct Connected Type.

Brand: Daikin | Category: Air Conditioner | Size: 23.96 MB

Table of Contents
2
Introduction

6
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
- 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
- Troubleshooting for FDMQ Series
  143
- 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
- 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

Daikin FDMQ18RVJU Manual (152 pages)

Inverter Pair Duct Connected Type

Brand: Daikin | Category: Inverter | Size: 4.48 MB

Table of Contents
3
Safety Cautions
6
Warnings and Cautions Regarding Safety of Workers
6
Warnings and Cautions Regarding Safety of Users
8
Icons Used
11
Part 1 List of Functions
12
Functions
13
Part 2 Specifications
14
Specifications
15
Part 3 Printed Circuit Board Connector Wiring Diagram
20
Indoor Unit
21
Fdmq09/12/15/18/24Rvju
21
Wired Remote Controller
23
Brc1E73
23
Wireless Remote Controller Receiver
24
Brc082A43
24
Outdoor Unit
25
Rx09/12R
25
Rx15/18/24R
26
Part 4 Functions and Control
27
Main Functions
28
Temperature Control
28
Frequency Principle
28
Fan Speed Control for Indoor Unit
30
Program Dry Operation
31
Clock and Calendar Setting (with Wired Remote Controller BRC1E73)
32
Schedule TIMER Operation (with Wired Remote Controller BRC1E73)
34
Drain Pump Control
37
Hot Start Control (in Heating Operation Only)
39
Other Functions
40
Control Specification
41
Mode Hierarchy
41
Frequency Control
42
Controls at Mode Changing/Start-Up
44
Discharge Pipe Temperature Control
46
Input Current Control
47
Freeze-Up Protection Control
48
Heating Peak-Cut Control
49
Outdoor Fan Control
50
Liquid Compression Protection Function
50
Defrost Control
51
Electronic Expansion Valve Control
52
Malfunctions
55
Part 5 Remote Controller
56
Wired Remote Controller (BRC1E73)
57
Wireless Remote Controller (BRC082A43)
63
Part 6 Service Diagnosis
65
General Problem Symptoms and Check Items
67
Troubleshooting with LED
68
Indoor Unit
68
Outdoor Unit
68
Service Diagnosis
69
Wired Remote Controller (BRC1E73)
69
Wireless Remote Controller (BRC082A43)
71
Troubleshooting
75
Error Codes and Description
75
Indoor Unit PCB Abnormality
76
Drain Level Control System Abnormality
77
Indoor Fan Motor (DC Motor) or Related Abnormality
78
Indoor Fan PCB Abnormality
80
Humidifier or Related Abnormality
81
Thermistor or Related Abnormality
82
Remote Controller Thermistor Abnormality
83
Signal Transmission Error (between Indoor Unit and Remote Controller)
84
Signal Transmission Error (between MAIN Remote Controller and SUB Remote Controller)
85
Low-Voltage Detection or Over-Voltage Detection
86
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
88
Mismatching of Indoor Unit and Outdoor Unit
90
Outdoor Unit PCB Abnormality
91
OL Activation (Compressor Overload)
92
OL Activation (Compressor Overload) or HPS Activation (High Pressure Switch)
94
Compressor Lock
97
DC Fan Lock (Outdoor Fan Motor)
98
Input Overcurrent Detection
99
Four Way Valve Abnormality
100
Discharge Pipe Temperature Control
102
High Pressure Control in Cooling
103
System Shutdown Due to Temperature Abnormality in Compressor
105
Compressor System Sensor Abnormality
106
Position Sensor Abnormality
107
DC Voltage/Current Sensor Abnormality
109
Thermistor or Related Abnormality (Outdoor Unit)
110
Electrical Box Temperature Rise
112
Radiation Fin Temperature Rise
113
Output Overcurrent Detection
114
Check
116
Thermistor Resistance Check
116
Indoor Fan Motor Connector Check
117
Power Supply Waveforms Check
117
Electronic Expansion Valve Check
118
Four Way Valve Performance Check
119
Inverter Unit Refrigerant System Check
119
Inverter Analyzer Check
120
Outdoor Fan Motor Check
122
Installation Condition Check
123
Discharge Pressure Check
123
Outdoor Fan System Check
124
Main Circuit Short Check
124
Power Module Check
126
Part 7 Trial Operation and Field Settings
128
Pump down Operation
129
Forced Cooling Operation
130
Trial Operation
131
Field Settings
134
How to Change the Field Settings
134
Overview of the Field Settings
137
MAIN/SUB and Address Setting for Wireless Remote Controller
138
Facility Setting (Cooling at Low Outdoor Temperature)
140
Silicone Grease on Power Transistor/Diode Bridge
141
Part 8 Appendix
142
Piping Diagrams
143
Indoor Unit
143
Outdoor Unit
144
Wiring Diagrams
146
Indoor Unit
146
Outdoor Unit
147
Operation Limit
150

Daikin FDMQ18RVJU Service Manual (146 pages)

Inverter Pair Duct Connected Type

Brand: Daikin | Category: Inverter | Size: 3.65 MB

Table of Contents
3
Safety Cautions
6
Warnings and Cautions Regarding Safety of Workers
6
Warnings and Cautions Regarding Safety of Users
8
Icons Used
11
Part 1 List of Functions
12
Functions
13
Part 2 Specifications
14
Specifications
15
Part 3 Printed Circuit Board Connector Wiring Diagram
19
Indoor Unit
20
Fdmq09/12/15/18/24Rvju
20
Wired Remote Controller
22
Brc1E73
22
Wireless Remote Controller Receiver
23
Brc082A43
23
Outdoor Unit
24
Rx09/12Rmvju(9)
24
Rx15/24Rmvju(A), Rx18Rmvju(9)(A)
25
Part 4 Functions and Control
26
Main Functions
27
Temperature Control
27
Frequency Principle
27
Fan Speed Control for Indoor Unit
29
Program Dry Operation
30
Clock and Calendar Setting (with Wired Remote Controller BRC1E73)
31
Schedule TIMER Operation (with Wired Remote Controller BRC1E73)
33
Drain Pump Control
36
Hot Start Control (in Heating Operation Only)
38
Other Functions
39
Control Specification
40
Mode Hierarchy
40
Frequency Control
41
Controls at Mode Changing/Start-Up
43
Discharge Pipe Temperature Control
45
Input Current Control
46
Freeze-Up Protection Control
47
Heating Peak-Cut Control
48
Outdoor Fan Control
49
Liquid Compression Protection Function
49
Defrost Control
50
Electronic Expansion Valve Control
51
Malfunctions
54
Part 5 Remote Controller
55
Wired Remote Controller (BRC1E73)
56
Wireless Remote Controller (BRC082A43)
62
Part 6 Service Diagnosis
64
General Problem Symptoms and Check Items
66
Troubleshooting with LED
67
Indoor Unit
67
Outdoor Unit
67
Service Diagnosis
68
Wired Remote Controller (BRC1E73)
68
Wireless Remote Controller (BRC082A43)
70
Troubleshooting
74
Error Codes and Description
74
Indoor Unit PCB Abnormality
75
Drain Level Control System Abnormality
76
Indoor Fan Motor (DC Motor) or Related Abnormality
77
Indoor Fan PCB Abnormality
79
Humidifier or Related Abnormality
80
Thermistor or Related Abnormality
81
Remote Controller Thermistor Abnormality
82
Signal Transmission Error (between Indoor Unit and Remote Controller)
83
Signal Transmission Error (between MAIN Remote Controller and SUB Remote Controller)
84
Signal Transmission Error
84
(Between MAIN Remote Controller and SUB Remote Controller)
84
Low-Voltage Detection or Over-Voltage Detection
85
Signal Transmission Error (between Indoor Unit and Outdoor Unit)
87
Mismatching of Indoor Unit and Outdoor Unit
89
Outdoor Unit PCB Abnormality
90
OL Activation (Compressor Overload)
91
Compressor Lock
93
DC Fan Lock (Outdoor Fan Motor)
94
Input Overcurrent Detection
95
Four Way Valve Abnormality
96
Discharge Pipe Temperature Control
98
High Pressure Control in Cooling
99
System Shutdown Due to Compressor Internal Temperature Abnormality
101
Compressor System Sensor Abnormality
102
Position Sensor Abnormality
103
Thermistor or Related Abnormality (Outdoor Unit)
105
Electrical Box Temperature Rise
107
Radiation Fin Temperature Rise
108
Output Overcurrent Detection
109
Check
111
Thermistor Resistance Check
111
Indoor Fan Motor Connector Check
112
Power Supply Waveforms Check
112
Electronic Expansion Valve Check
113
Four Way Valve Performance Check
114
Inverter Unit Refrigerant System Check
114
Inverter Analyzer Check
115
Rotation Pulse Check on the Outdoor Unit PCB
117
Installation Condition Check
118
Discharge Pressure Check
118
Outdoor Fan System Check
119
Main Circuit Short Check
119
Power Module Check
121
Part 7 Trial Operation and Field Settings
123
Pump down Operation
124
Forced Cooling Operation
125
Trial Operation
126
Field Settings
129
How to Change the Field Settings
129
Overview of the Field Settings
132
MAIN/SUB and Address Setting for Wireless Remote Controller
133
Facility Setting (Cooling at Low Outdoor Temperature)
135
Silicone Grease on Power Transistor/Diode Bridge
136
Part 8 Appendix
137
Piping Diagrams
138
Indoor Unit
138
Outdoor Unit
139
Wiring Diagrams
141
Indoor Unit
141
Outdoor Unit
142
Operation Limit
144

daikin FDMQ18RVJU Installation Manual (22 pages)

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Daikin FDMQ18RVJU Service Manual (19 pages)

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Table of Contents
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Pcbs / Reactor / Terminal Blocks
4
Fan Motor / Fan Rotor
7
Drain Pan
10
Thermistors / Drain Pump / Float Switch
12
Indoor Heat Exchanger
16

Daikin FDMQ18RVJU Service Manual (20 pages)

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Brand: Daikin | Category: Heat Pump | Size: 1.07 MB

Daikin FDMQ18RVJU Operation Manual (12 pages)

Brand: Daikin | Category: Air Conditioner | Size: 1.26 MB

Daikin FDMQ18RVJU Operation Manual (12 pages)

Brand: Daikin | Category: Air Conditioner | Size: 1.26 MB

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Air Conditioner Heat Pump Remote Control Chiller Fan

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Daikin FDMQ18RVJU Manuals

Table of Contents

Introduction

Part 1 General Information

Part 2 Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Functions and Control

Part 5 Remote Controller

Part 6 Service Diagnosis

Part 7 Trial Operation and Field Settings

Part 8 Appendix

Table of Contents

Part 1 List of Functions

Part 2 Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Functions and Control

Part 5 Remote Controller

Part 6 Service Diagnosis

Part 7 Trial Operation and Field Settings

Part 8 Appendix

Table of Contents

Introduction

Part 1 General Information

Part 2 Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Functions and Control

Part 5 Remote Controller

Part 6 Service Diagnosis

Part 7 Trial Operation and Field Settings

Part 8 Appendix

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Table of Contents

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