Daikin FFQ12LVJU Manuals

Manuals and User Guides for Daikin FFQ12LVJU. We have 4 Daikin FFQ12LVJU manuals available for free PDF download: Service Manual, Installation Manual, Operation Manual

Daikin FFQ12LVJU Service Manual (250 pages)

Multi-Split 8-Zone Heat Pump Systems

Brand: Daikin | Category: Heat Pump | Size: 9.87 MB

Part 3 Printed Circuit Board Connector Wiring Diagram

23
- Table of Contents
  23
- 1 Outdoor Unit
  
  24
  - Rmxs48Lvju
    24
- 2 Branch Provider (BP) Unit
  
  27
  - Bpmks048A2U, Bpmks049A3U
    27
- 3 Indoor Unit
  
  28
  - Ctxs07Lvju
    28
  - Ctxs07Jvju, Ctxs09/12Hvju
    30
  - Ftxs15/18/24Lvju
    32
  - Fdxs09/12Lvju, Cdxs15/18/24Lvju
    34
  - Ffq09/12/15/18Lvju
    36
- 4 Wired Remote Controller
  
  37
  - Brc1E72
    37
- 5 Wireless Remote Controller
  
  38
  - Brc7E830
    38
Refrigerant Circuit Part 4

39
- Refrigerant Circuit Part
  
  40
- 1 Refrigerant Circuit
  
  40
  - Outdoor Unit
    40
  - Branch Provider (BP) Unit
    41
- 2 Functional Parts Layout
  
  42
- 3 Refrigerant Flow for each Operation Mode
  
  44
Part 5 Function

48
- 1 Operation Mode
  
  50
- 2 Basic Control
  
  51
- 3 Special Control
  
  54
  - Startup Control
    54
  - Oil Return Operation
    55
  - Defrosting Operation
    57
  - Pump-Down Residual Operation
    57
  - Restart Standby
    58
  - Stopping Operation
    58
- 4 Protection Control
  
  59
- 5 Other Control
  
  65
  - Demand Control
    65
  - Heating Operation Prohibition Control
    65
- 6 Branch Provider (BP) Unit Control
  
  66
- 7 Function of CTXS, FTXS, CDXS, FDXS Series
  
  71
  - Temperature Control
    71
  - Airflow Direction Control (CTXS/FTXS Series Only)
    72
  - Fan Speed Control for Indoor Unit
    74
  - Program Dry Operation
    75
  - Automatic Operation
    76
  - Thermostat Control
    77
  - NIGHT SET Mode
    78
  - ECONO Operation
    78
  - HOME LEAVE Operation
    79
  - INTELLIGENT EYE Operation
    81
  - Inverter POWERFUL Operation
    82
  - Clock Setting
    83
  - WEEKLY TIMER Operation
    84
  - Other Functions
    90
- 8 Function of FFQ Series
  
  91
Part 6 Test Operation and Field Settings

96
- 1 Test Operation
  
  97
- 2 Field Settings
  
  105
  - Outdoor Unit
    105
  - Setting Mode 1 (H1P Off)
    105
  - Setting Mode 2 (H1P On)
    105
  - External Low Noise
    107
    
    Setting / Demand Setting
    107
  - Night-Time Low Noise
    107
  - Capacity Precedence Setting
    107
  - Demand Setting
    107
    
    Constant Demand Setting
    107
  - Off
    110
    
    H1P H2P H3P H4P H5P H6P H7P
    110
Table of Contents

116
- RA Indoor Unit: CTXS, FTXS, CDXS, FDXS Series
  119
- SA Indoor Unit: FFQ Series
  122
- Level
  124
- NO (Factory Setting)
  124
Part 7 Remote Controller

130
- Ctxs07Jvju, Ctxs09/12Hvju
  131
- Ctxs07Lvju, Ftxs15/18/24Lvju
  133
- Fdxs09/12Lvju, Cdxs15/18/24Lvju
  135
- Ffq09/12/15/18Lvju
  137
  - BRC1E72> Wired Remote Controller
    137
  - BRC7E830> Wireless Remote Controller
    143
Part 8 Troubleshooting

145

Daikin FFQ12LVJU Service Manual (222 pages)

Brand: Daikin | Category: Air Conditioner | Size: 7.16 MB

Table of Contents
3
Safety Cautions
7
- Warnings and Cautions Regarding Safety of Workers
  7
- Warnings and Cautions Regarding Safety of Users
  9
Icons Used
12
Part 1 List of Functions

13
- Functions
  14
Part 2 Specifications

19
- Indoor Unit
  20
- Outdoor Unit
  25
Part 3 Printed Circuit Board Connector Wiring Diagram

27
- Indoor Unit
  28
  - Ctxs07Lvju, Ftxs09/12Lvju
    28
  - Ftxs15/18Lvju
    30
  - Fdxs09/12Lvju, Cdxs15/18Lvju
    32
  - Fvxs09/12/15/18Nvju
    34
  - Ffq09/12/15/18Lvju
    36
- Wired Remote Controller
  37
  - Brc1E71
    37
  - Brc1E72/73
    38
- Wireless Remote Controller
  39
  - Brc7E830
    39
- Outdoor Unit
  40
Part 4 Functions and Control

43
- Functions for CTXS, FTXS, CDXS, FDXS, FVXS Series
  44
  - Temperature Control
    44
  - Frequency Principle
    44
  - Airflow Direction Control (CTXS, FTXS, FVXS Series)
    46
  - Fan Speed Control for Indoor Unit
    49
  - Program Dry Operation
    50
  - Automatic Operation
    51
  - Thermostat Control
    52
  - NIGHT SET Mode
    53
  - ECONO Operation
    53
  - INTELLIGENT EYE Operation (CTXS, FTXS Series)
    54
  - Inverter POWERFUL Operation
    55
  - Clock Setting
    56
  - WEEKLY TIMER Operation (CTXS, FTXS, FVXS Series)
    57
  - Function and Control
    59
  - Other Functions
    63
- Functions for FFQ Series
  64
- Control Specification
  70
  - Thermistor Functions
    70
  - Mode Hierarchy
    72
  - Frequency Control
    73
  - Controls at Mode Changing/Start-Up
    75
  - Discharge Pipe Temperature Control
    76
  - Input Current Control
    77
  - Freeze-Up Protection Control
    78
  - Heating Peak-Cut Control
    78
  - Outdoor Fan Control
    79
  - Liquid Compression Protection Function
    79
  - Defrost Control
    80
  - Low Hz High Pressure Limit
    81
  - Electronic Expansion Valve Control
    82
  - Pressure Equalizing Control
    84
  - Malfunctions
    87
Part 5 Remote Controller

88
- CTXS, FTXS Series
  89
- CDXS, FDXS Series
  91
- FVXS Series
  93
- FFQ Series
  95
  - BRC1E71> Wired Remote Controller
    95
  - BRC1E72/73> Wired Remote Controller
    100
    
    Operation Lamp
    101
    
    Down Button
    101
    
    Airflow Direction
    105
  - BRC7E830> Wireless Remote Controller
    106
Part 6 Service Diagnosis

107
- General Problem Symptoms and Check Items
  109
- Troubleshooting with LED
  110
  - Indoor Unit
    110
  - Outdoor Unit
    111
- Service Diagnosis
  112
  - CTXS, FTXS, CDXS, FDXS, FVXS Series
    112
  - FFQ Series
    118
- Code Indication on Remote Controller
  124
  - CTXS, FTXS, CDXS, FDXS, FVXS Series
    124
  - FFQ Series
    124
  - Outdoor Unit
    125
- Troubleshooting for CTXS, FTXS, CDXS, FDXS, FVXS Series
  126
- Troubleshooting for FFQ Series
  137
- Troubleshooting for Outdoor Unit
  146
  - Refrigerant Shortage
    146
  - Low-Voltage Detection or Over-Voltage Detection
    148
  - Wiring Error Check Unexecuted
    150
  - Unspecified Voltage (between Indoor Unit and Outdoor Unit)/Anti-Icing Control in Other Rooms
    151
  - Anti-Icing Control for Indoor Unit
    152
  - Outdoor Unit PCB Abnormality
    154
  - OL Activation (Compressor Overload)
    155
  - Compressor Lock
    157
  - DC Fan Lock
    158
  - Input Overcurrent Detection
    159
  - Four Way Valve Abnormality
    160
  - Discharge Pipe Temperature Control
    162
  - High Pressure Control in Cooling
    163
  - Compressor Sensor System Abnormality
    164
  - Position Sensor Abnormality
    166
  - CT or Related Abnormality
    168
  - Thermistor or Related Abnormality (Outdoor Unit)
    170
  - Electrical Box Temperature Rise
    172
  - Radiation Fin Temperature Rise
    173
  - Output Overcurrent Detection
    174
- Check
  176
  - Thermistor Resistance Check
    176
  - Indoor Fan Motor Connector Check
    177
  - Hall IC Check
    177
  - Power Supply Waveform Check
    178
  - Electronic Expansion Valve Check
    179
  - Four Way Valve Performance Check
    180
  - Inverter Unit Refrigerant System Check
    180
  - Inverter Analyzer Check
    181
  - Rotation Pulse Check on the Outdoor Unit PCB
    182
  - Installation Condition Check
    183
  - Discharge Pressure Check
    183
  - Outdoor Fan System Check
    184
  - Main Circuit Short Check
    184
  - Capacitor Voltage Check
    185
  - Power Module Check
    186
Part 7 Trial Operation and Field Settings

187
- Pump down Operation
  188
- Wiring Error Check Function
  189
- Trial Operation
  191
  - CTXS, FTXS, CDXS, FDXS, FVXS Series
    191
  - FFQ Series
    193
- Field Settings
  195
  - Outdoor Unit
    195
  - CTXS, FTXS, CDXS, FDXS, FVXS Series
    197
    
    Temperature Display Switch
    198
    
    When 2 Units Are Installed in 1 Room
    199
    
    Jumper Settings
    201
  - FFQ Series
    202
- Silicone Grease on Power Transistor / Diode Bridge
  209
Part 8 Appendix

210
- Piping Diagrams
  211
  - Indoor Unit
    211
  - Outdoor Unit
    213
- Wiring Diagrams
  214
  - Indoor Unit
    214
  - Outdoor Unit
    219

Daikin FFQ12LVJU Installation Manual (26 pages)

Split System Ceiling Mounted Multi Flow Cassette Type Air Conditioner

Brand: Daikin | Category: Air Conditioner | Size: 0.91 MB

Daikin FFQ12LVJU Operation Manual (8 pages)

VRV/SPLIT SYSTEM Inverter Air Conditioners

Brand: Daikin | Category: Air Conditioner | Size: 0.43 MB

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Daikin FFQ12LVJU Manuals

Daikin FFQ12LVJU Service Manual (250 pages)

Table of Contents

Part 3 Printed Circuit Board Connector Wiring Diagram

1 Outdoor Unit

2 Branch Provider (BP) Unit

3 Indoor Unit

4 Wired Remote Controller

5 Wireless Remote Controller

Refrigerant Circuit Part 4

Refrigerant Circuit Part

1 Refrigerant Circuit

2 Functional Parts Layout

3 Refrigerant Flow for each Operation Mode

Part 5 Function

1 Operation Mode

2 Basic Control

3 Special Control

4 Protection Control

5 Other Control

6 Branch Provider (BP) Unit Control

7 Function of CTXS, FTXS, CDXS, FDXS Series

8 Function of FFQ Series

Part 6 Test Operation and Field Settings

1 Test Operation

2 Field Settings

Table of Contents

Part 7 Remote Controller

Part 8 Troubleshooting

1 Troubleshooting with LED

2 Service Check Function

3 Error Codes and Description

4 Troubleshooting for CTXS, FTXS, CDXS, FDXS Series

5 Troubleshooting for FFQ Series

6 Troubleshooting for Branch Provider (BP) Unit

7 Troubleshooting for Outdoor Unit

8 Thermistor Resistance / Temperature Characteristics

9 Pressure Sensor

10 Method of Replacing Inverter's Power Transistors Modules

Daikin FFQ12LVJU Service Manual (222 pages)

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

Daikin FFQ12LVJU Installation Manual (26 pages)

Daikin FFQ12LVJU Operation Manual (8 pages)

Table of Contents

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