Daikin FTXM-K Series Manuals

Daikin FTXM-K Series Manuals

Manuals and User Guides for Daikin FTXM-K Series. We have 1 Daikin FTXM-K Series manual available for free PDF download: Service Manual

Daikin FTXM-K Series Service Manual

Daikin FTXM-K Series Service Manual (138 pages)

Inverter Pair

Brand: Daikin | Category: Air Conditioner | Size: 7 MB

Table of Contents

Table of Contents
3
Safety Cautions
6
- Warnings and Cautions Regarding Safety of Workers
  6
- Warnings and Cautions Regarding Safety of Users
  12
Used Icons
15
Part 1 List of Functions

16
- Functions
  17
Part 2 Specifications

18
- Specifications
  19
Part 3 Printed Circuit Board Connector Wiring Diagram

22
- Indoor Unit
  23
  - 20/25 Class
    23
  - 35/42/50 Class
    25
- Outdoor Unit
  27
  - 20/25/35 Class
    27
  - 42/50 Class
    29
Part 4 Function and Control

30
- Main Functions
  31
  - Temperature Control
    31
  - Frequency Principle
    31
  - Airflow Direction Control
    33
  - Fan Speed Control for Indoor Unit
    35
  - Program Dry Operation
    36
  - Automatic Operation
    37
  - Thermostat Control
    38
  - NIGHT SET Mode
    39
  - ECONO Operation
    39
  - INTELLIGENT EYE Operation (20/25 Class)
    40
  - 2-Area INTELLIGENT EYE Operation (35/42/50 Class)
    41
  - Inverter POWERFUL Operation
    43
  - Clock Setting
    44
  - WEEKLY TIMER Operation
    45
  - Function and Control
    47
  - Other Functions
    51
- Function of Thermistor
  52
- Control Specification
  53
  - Mode Hierarchy
    53
  - Frequency Control
    53
  - Controls at Mode Changing / Start-Up
    55
  - Compressor Protection Function
    56
  - Discharge Pipe Temperature Control
    57
  - Input Current Control
    58
  - Freeze-Up Protection Control
    59
  - Heating Peak-Cut Control
    59
  - Outdoor Fan Control
    60
  - Liquid Compression Protection Function
    60
  - Defrost Control
    61
  - Electronic Expansion Valve Control
    62
  - Pressure Equalizing Control
    63
  - Malfunctions
    65
Part 5 Remote Controller

66
- 25 Class
  67
- 42/50 Class
  69
Part 6 Service Diagnosis

71
- General Problem Symptoms and Check Items
  72
- Troubleshooting with LED
  73
  - Indoor Unit
    73
  - Outdoor Unit
    73
- Service Diagnosis
  74
- Troubleshooting
  77
- Check
  112
  - Thermistor Resistance Check
    112
  - Fan Motor Connector Output Check
    113
  - Power Supply Waveforms Check
    114
  - Electronic Expansion Valve Check
    114
  - Four Way Valve Performance Check
    115
  - Inverter Unit Refrigerant System Check
    115
  - Inverter Analyzer Check
    116
  - Rotation Pulse Check on the Outdoor Unit PCB
    117
  - Installation Condition Check
    118
  - Discharge Pressure Check
    119
  - Outdoor Fan System Check
    119
  - Main Circuit Short Check
    120
  - 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
  127
  - When 2 Units Are Installed in 1 Room
    127
  - Model Type Setting
    127
  - Facility Setting (Cooling at Low Outdoor Temperature)
    128
  - Jumper Settings
    129
- Silicon Grease on Power Transistor / Diode Bridge
  130
Part 8 Appendix

131
- Piping Diagrams
  132
  - Indoor Unit
    132
  - Outdoor Unit
    134
- Wiring Diagrams
  135
  - Indoor Unit
    135
  - Outdoor Unit
    136

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