Daikin SUPER MULTI NXFDXS12DVJU Manuals

Manuals and User Guides for Daikin SUPER MULTI NXFDXS12DVJU. We have 1 Daikin SUPER MULTI NXFDXS12DVJU manual available for free PDF download: Service Manual

Daikin SUPER MULTI NXFDXS12DVJU Service Manual

Daikin SUPER MULTI NXFDXS12DVJU Service Manual (285 pages)

Super Multi NX G-Series / J-Series

Brand: Daikin | Category: Air Conditioner | Size: 18.48 MB

Table of Contents

Table of Contents
2
Safety Considerations
7
- Safety Considerations for Repair
  7
- Safety Considerations for Users
  8
Part 1

9
- Part
  9
List of Functions

9
- Functions
  10
Part 2

15
Specifications

15
- Indoor Unit
  16
- Outdoor Unit
  21
Part 3

24
Part

24
- Indoor Unit
  25
  - Ctxs07Jvju, Ctxs09/12Hvju, Ftxs15/18Hvju
    25
  - Ctxs07Lvju, Ftxs09/12Lvju
    27
  - Ftxs15/18Lvju
    30
  - Fdxs09/12Dvju
    33
  - Fdxs09/12Lvju, Cdxs15/18Lvju
    35
- Outdoor Unit
  37
  - 2Mxs18Gvju
    37
  - 3Mxs24Jvju, 4Mxs32Gvju
    40
Printed Circuit Board Connector Wiring Diagram

24
Part 4

42
Function and Control

42
- Part
  42
- Main Functions
  43
  - Temperature Control
    43
  - Frequency Principle
    43
  - Airflow Direction Control (CTXS/FTXS Series)
    45
  - Fan Speed Control for Indoor Unit
    47
  - Program Dry Operation
    48
  - Automatic Operation
    49
  - Thermostat Control
    50
  - NIGHT SET Mode
    52
  - ECONO Operation
    53
  - HOME LEAVE Operation
    54
  - INTELLIGENT EYE Operation (CTXS/FTXS Series)
    55
  - Inverter POWERFUL Operation
    56
  - Other Functions
    57
- Function of Thermistor
  59
- Control Specification
  62
  - Mode Hierarchy
    62
  - Frequency Control
    63
  - Controls at Mode Changing / Start-Up
    65
  - Discharge Pipe Temperature Control
    66
  - Input Current Control
    67
  - Freeze-Up Protection Control
    67
  - Heating Peak-Cut Control
    68
  - Outdoor Fan Control
    69
  - Liquid Compression Protection Function
    69
  - Defrost Control
    70
  - Low Hz High Pressure Limit
    71
  - Outdoor Electronic Expansion Valve Control
    71
  - Pressure Equalizing Control
    73
  - Malfunctions
    76
Part 5

78
Operation Manual

78
- System Configuration
  79
- CTXS-J, CTXS-H, FTXS-H Series
  80
  - Remote Controller
    80
  - AUTO · DRY · COOL · HEAT · FAN Operation
    82
  - Adjusting the Airflow Direction
    84
  - INTELLIGENT EYE Operation
    86
  - POWERFUL Operation
    88
  - OUTDOOR UNIT QUIET Operation
    89
  - HOME LEAVE Operation
    90
  - TIMER Operation
    92
  - Note for Multi System
    94
- CTXS-L, FTXS-L Series
  96
  - Remote Controller
    96
  - AUTO · DRY · COOL · HEAT · FAN Operation
    98
  - Operating Conditions
    99
  - Adjusting the Airflow Direction and Rate
    100
  - COMFORT AIRFLOW / INTELLIGENT EYE Operation
    103
  - POWERFUL Operation
    105
  - OUTDOOR UNIT QUIET Operation
    106
  - ECONO Operation
    107
  - OFF TIMER Operation
    108
  - ON TIMER Operation
    109
  - WEEKLY TIMER Operation
    110
  - Note for Multi System
    116
  - Quick Reference
    118
- FDXS-D Series
  119
  - Remote Controller
    119
  - AUTO · DRY · COOL · HEAT · FAN Operation
    120
  - POWERFUL Operation
    122
  - OUTDOOR UNIT QUIET Operation
    123
  - HOME LEAVE Operation
    124
  - TIMER Operation
    126
- CDXS-L, FDXS-L Series
  128
  - Remote Controller
    128
  - AUTO · DRY · COOL · HEAT · FAN Operation
    130
  - Adjusting the Airflow Rate
    132
  - POWERFUL Operation
    133
  - OUTDOOR UNIT QUIET Operation
    134
  - ECONO Operation
    135
  - OFF TIMER Operation
    136
  - ON TIMER Operation
    137
  - Note for Multi System
    138
  - Quick Reference
    140
Part 6

141
Service Diagnosis

141
- Troubleshooting with LED
  143
  - Indoor Unit
    143
  - Outdoor Unit
    144
- Problem Symptoms and Measures
  145
- Service Check Function
  146
  - ARC452 Series Remote Controller
    146
  - ARC433 Series Remote Controller
    149
- Code Indication on Remote Controller
  152
  - Indoor Unit
    152
  - Outdoor Unit
    153
- Troubleshooting for Indoor Unit
  154
- Troubleshooting for Outdoor Unit
  164
- Check
  199
  - Thermistor Resistance Check
    199
  - Fan Motor Connector Check
    200
  - Hall IC Check
    200
  - Power Supply Waveform Check
    201
  - Outdoor Electronic Expansion Valve Check
    202
  - Four Way Valve Performance Check
    203
  - Inverter Unit Refrigerant System Check
    203
  - Inverter Checker" Check
    204
  - Rotation Pulse Check on the Outdoor Unit PCB
    205
  - Installation Condition Check
    206
  - Discharge Pressure Check
    206
  - Outdoor Fan System Check
    207
  - Main Circuit Short Check
    207
    
    Capacitor Voltage Check
    208
    
    Power Module Check
    209
Removal Procedure

210
- Part
  210
- Outdoor Unit: 2MXS18GVJU
  211
  - Removal of Outer Panels
    211
  - Removal of Electrical Box
    212
  - Removal of Pcbs
    217
  - Removal of Fan Motor
    220
  - Removal of Sound Blankets
    221
  - Removal of Coils / Thermistors
    223
  - Removal of Four Way Valve / Defrost Solenoid Valve
    225
  - Removal of Distributor
    227
  - Removal of Compressor
    228
  - Outdoor Unit: 3MXS24JVJU, 4MXS32GVJU
    230
    
    Removal of Outer Panels
    230
    
    Removal of Electrical Box
    242
    
    Removal of Pcbs
    248
    
    Removal of Fan Motor
    252
    
    Removal of Coils / Thermistors
    253
    
    Removal of Sound Blankets
    258
    
    Removal of Compressor
    261
Part 8

262
- Trial Operation and Field Settings
  
  262
- Part
  262
- Pump down Operation
  263
- Forced Operation
  264
- Wiring Error Check Function
  265
- Trial Operation
  267
- Field Settings
  269
  - Outdoor Unit
    269
  - Indoor Unit
    272
  - Jumper Settings
    274
- Application of Silicon Grease to a Power Transistor and a Diode Bridge
  275
- Application of Silicon Grease to Power Transistor and Diode Bridge
  275
Part 9

276
Appendix

276
- Piping Diagrams
  277
  - Indoor Unit
    277
  - Outdoor Unit
    279
- Wiring Diagrams
  281
  - Indoor Unit
    281
  - Outdoor Unit
    284

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