Daikin EKHTSU 260 A Manuals

Manuals and User Guides for Daikin EKHTSU 260 A. We have 1 Daikin EKHTSU 260 A manual available for free PDF download: Service Manual

Daikin EKHTSU 260 A Service Manual

Daikin EKHTSU 260 A Service Manual (262 pages)

Brand: Daikin | Category: Heat Pump | Size: 15.7 MB

Table of Contents

Service Manual
1
Table of Contents
3
Introduction
7
- Safety Cautions
  7
- Preface
  11
Part 1 - General Information

13
- Model Names of Indoor/Outdoor Units & Tanks
  14
Part 2 - Specifications

17
- Specifications
  18
  - Outdoor Units
    18
  - Electrical Specifications
    19
  - Indoor Unit
    20
Part 3 - Refrigerant Circuit & Functional Parts

23
- Refrigerant Circuit
  24
  - Outdoor Unit
    24
  - Indoor Unit
    26
- Functional Parts Layout
  28
Part 4 - Electrical Circuit

39
- Switch Box Layout - Indoor Unit EKHBRD
  40
- PCB Layout for EKHBRD 011/014/016 AAV1
  42
  - Main PCB - A1P
    42
  - Control - PCB - A3P
    44
  - Inverter PCB - A4P
    46
  - Filter PCB - A6P
    49
  - Qa Pcb - A5P
    51
  - Inverter Control PCB - Three Phase - A4P
    52
  - Inverter PCB - Three Phase - A5P
    54
  - Digital I/O PCB (Option PCB A7P)
    56
  - Demand PCB (Option PCB A8P)
    58
Part 5 - Function

59
- Operation Mode
  60
- Basic Control
  61
- Special Control
  64
  - Startup Control
    64
  - Defrosting Operation
    65
  - Pump-Down Residual Operation
    66
  - Stopping Operation
    67
- Protection Control
  68
- Other Control
  75
- Outline of Control (Indoor Unit)
  76
  - Freeze Prevention
    76
  - Simultaneous Demand of Space Heating and Domestic Water Heating
    77
Part 6 - Test Operation

83
- Test Operation
  84
- Outdoor Unit PC Board Layout
  92
- Field Setting
  93
Part 7 - Troubleshooting

127
Part 8 - Appendix

221
- Piping Diagrams
  222
  - Outdoor Unit
    222
  - Indoor Unit
    224
  - Switch Box Layout
    226
- Wiring Diagrams
  228
  - Outdoor Unit
    228
  - Field Wiring Connection Diagram
    232
  - Indoor Unit
    233
- Thermistor Resistance / Temperature Characteristics
  241
- Pressure Sensor
  244
- Method of Replacing the Inverter's Power Transistors Modules
  245
Part 9 - Precautions for New Refrigerant (R-410A)

249
- Precautions for New Refrigerant (R-410A)
  250
  - Outline
    250
  - Refrigerant Cylinders
    252
  - Service Tools
    253
Index

259
- Drawings & Flow Charts
  261

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