Daikin 3MKS50DVM Manuals

Manuals and User Guides for Daikin 3MKS50DVM. We have 1 Daikin 3MKS50DVM manual available for free PDF download: Service Manual

Daikin 3MKS50DVM Service Manual

Daikin 3MKS50DVM Service Manual (403 pages)

Super Multi NX D/E Series

Brand: Daikin | Category: Air Conditioner | Size: 22 MB

Table of Contents

Table of Contents
4
Introduction
8
- Safety Cautions
  8
- Used Icons
  12
Part 1 List of Functions

14
- List of Functions
  15
  - Cooling Only
    15
  - Heat Pump
    23
Part 2 Specifications

30
- Indoor Units - Cooling Only
  31
- Duct Connected Type
  39
- Outdoor Units - Cooling Only
  45
- Indoor Units - Heat Pump
  51
- Floor Standing Type
  59
- Outdoor Units - Heat Pump
  61
Part 3 Printed Circuit Board Connector Wiring Diagram

64
- Printed Circuit Board Connector Wiring Diagram
  65
Part 4 Function and Control

90
- Main Functions
  91
  - Frequency Principle
    91
  - Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing
    93
  - Fan Speed Control for Indoor Units
    94
  - Programme Dry Function
    95
  - Automatic Operation
    96
  - Thermostat Control
    97
  - Night Set Mode
    98
  - ECONO Mode
    99
  - MOLD PROOF Operation
    100
  - INTELLIGENT EYE (Wall Mounted Type Only)
    101
  - HOME LEAVE Operation
    103
  - Inverter POWERFUL Operation
    104
  - Other Functions
    105
- Function of Main Structural Parts
  107
  - Main Structural Parts
    107
  - Function of Thermistor
    108
  - Heat Pump Model
    108
  - Cooling Only Model
    110
- Control Specification
  112
  - Mode Hierarchy
    112
  - Frequency Control
    113
  - Controls at Mode Changing / Start-Up
    116
  - Discharge Pipe Temperature Control
    117
  - Input Current Control
    117
  - Freeze-Up Protection Control
    118
  - Heating Peak-Cut Control
    118
  - Fan Control
    119
  - Liquid Compression Protection Function 2
    119
  - Defrost Control
    120
  - Low Hz High Pressure Limit
    121
  - Electronic Expansion Valve Control
    121
  - Malfunctions
    125
  - Forced Operation Mode
    126
  - Wiring-Error Check
    127
  - Additional Function
    129
Part 5 Operation Manual

132
- System Configuration
  133
  - Operation Instructions
    133
- Instruction
  134
  - FTK(X)S, CDK(X)S, FDK(X)S, FLXS, FVXS Series
    134
    
    Safety Precautions
    135
    
    Installation Site
    136
    
    Electrical Work
    136
  - Outdoor Unit
    138
  - Remote Controller
    139
  - Names of Parts
    143
  - Indoor Unit
    143
    
    Preparation before Operation
    155
    
    To Change the Air Flow Rate Setting
    159
    
    Adjusting the Air Flow Direction
    160
    
    Air Flow Selection
    167
    
    Powerful Operation
    168
    
    Outdoor Unit Quiet Operation
    169
    
    Econo Operation
    170
    
    Intelligent Eye Operation
    174
    
    Timer Operation
    178
    
    Note for Multi System
    180
    
    Priority Room Setting
    181
    
    Care and Cleaning
    182
  - Front Panel
    182
  - Air Filter
    183
    
    Before a Long Idle Period
    184
    
    Front Grille
    188
    
    Cleaning the Air Filter
    191
    
    Trouble Shooting
    199
  - Ffq 25/35/50/60 B
    202
    
    Safety Considerations
    204
    
    Operation Range
    205
    
    Operation Procedure
    206
    
    Optimum Operation
    208
    
    Air Conditioner
    210
Part 6 Service Diagnosis

214
- Caution for Diagnosis
  215
  - Troubleshooting with Operation Lamp
    215
- Problem Symptoms and Measures
  217
- Service Check Function
  218
- Code Indication on the Remote Controller
  221
  - Error Codes and Description of Fault
    221
- Troubleshooting
  222
  - Indoor Units
    222
  - Outdoor Units
    223
  - Indoor Unit PCB Abnormality
    224
  - Freeze-Up Protection Control or High Pressure Control
    225
  - Fan Motor or Related Abnormality
    227
  - Ac Motor
    227
  - DC Motor
    228
  - Thermistor or Related Abnormality (Indoor Unit)
    230
  - Shutter Drive Motor / Shutter Limit Switch Abnormality
    231
  - Signal Transmission Error (between Indoor and Outdoor Units)
    232
  - Unspecified Voltage (between Indoor and Outdoor Units)
    234
  - Freeze-Up Protection Control
    235
  - Outdoor Unit PCB Abnormality
    237
  - OL Activation (Compressor Overload)
    238
  - Compressor Lock
    239
  - DC Fan Lock
    241
  - Input over Current Detection
    242
  - Four Way Valve Abnormality
    244
  - Discharge Pipe Temperature Control
    246
  - High Pressure Control in Cooling
    247
  - Compressor Sensor System Abnormality
    249
  - Position Sensor Abnormality
    251
  - CT or Related Abnormality
    252
  - Thermistor or Related Abnormality (Outdoor Unit)
    254
  - Electrical Box Temperature Rise
    256
  - Radiation Fin Temperature Rise
    260
  - Output over Current Detection
    264
  - Insufficient Gas
    266
  - Low-Voltage Detection or Over-Voltage Detection
    270
  - Signal Transmission Error (on Outdoor Unit PCB)
    271
  - Anti-Icing Function in Other Rooms / Unspecified Voltage (between Indoor and Outdoor Units)
    272
- Check
  273
  - How to Check
    273
  - Electronic Expansion Valve Check
    274
  - Four Way Valve Performance Check
    275
  - Thermistor Resistance Check
    276
  - Installation Condition Check
    277
  - Discharge Pressure Check
    278
  - Power Supply Waveforms Check
    279
  - Inverter Units Refrigerant System Check
    279
  - Capacitor Voltage Check
    280
  - Power Transistor Check
    280
  - Main Circuit Electrolytic Capacitor Check
    281
  - Hall IC Check
    282
Part 7 Removal Procedure

284
- Outdoor Unit - E Series (50 / 52 / 58 Class)
  285
- Outdoor Unit - E Series (68 / 71 / 75 Class), D Series
  316
  - Removal of the Outer Panels
    316
  - Removal of the Electrical BOX
    317
  - Removal of the PCB
    321
  - Removal of the Fan Motor
    324
  - Removal of the Sound Blanket
    325
  - Electronic Expansion Valve Coil and Thermistor
    326
  - Solenoid Valve
    326
  - Removal of the Four Way Valve, Solenoid Valve and Shunt
    328
  - Removal of the Solenoid Valve and Shunt
    329
  - Removal of the Compressor
    330
- Outdoor Unit - E Series (80 / 90 / 100 Class)
  331
  - Removal of Outer Panels
    331
  - Removal of the Electrical Box
    347
  - Removal of PCB
    353
  - Removal of Fan Motor
    357
  - Removal of Coils / Thermistors
    358
  - Removal of Sound Blanket
    364
  - Removal of Compressor
    367
Part 8 Others

368
- Others
  369
Part 9 Appendix

372
- Piping Diagrams
  373
  - Indoor Units
    373
  - Outdoor Units
    377
- Wiring Diagrams
  383
  - Indoor Units
    383
  - Outdoor Units
    389
Index

394
Drawings & Flow Charts

400

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