Daikin ALTHERMA HT EKHTS(U) 260 AC Manuals

Manuals and User Guides for Daikin ALTHERMA HT EKHTS(U) 260 AC. We have 1 Daikin ALTHERMA HT EKHTS(U) 260 AC manual available for free PDF download: Service Manual

Daikin ALTHERMA HT EKHTS(U) 260 AC Service Manual

Daikin ALTHERMA HT EKHTS(U) 260 AC Service Manual (302 pages)

Brand: Daikin | Category: Air Conditioner | Size: 17.67 MB

Table of Contents

Service Manual
1
Table of Contents
3
Introduction
8
- Safety Cautions
  8
  - Caution in Repair
    8
  - Cautions Regarding Products after Repair
    9
  - Inspection after Repair
    10
  - Using Icons
    11
  - Using Icons List
    11
- Preface
  12
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
  29
Part 4 - Electrical Circuit

41
- Switch Box Layout - Indoor Unit EKHBRD
  42
- PCB Layout for EKHBRD 011/014/016 AA/AB/AC V1/Y1
  46
  - Main PCB - A1P
    46
  - Control - PCB - A3P
    48
  - Inverter PCB - A4P
    50
  - Filter PCB - A6P
    53
  - Qa Pcb - A5P
    55
  - Inverter Control PCB - Three Phase - A4P
    56
  - Inverter PCB - Three Phase - A5P
    58
  - Digital I/O PCB (Option PCB A7P)
    60
  - Demand PCB (Option PCB A8P)
    62
Part 5 - Function

65
- Operation Mode
  66
- Basic Control
  67
- Special Control
  70
  - Startup Control
    70
  - Defrosting Operation
    71
  - Pump-Down Residual Operation
    72
  - Stopping Operation
    73
- Protection Control
  74
- Other Control
  81
- Outline of Control (Indoor Unit)
  82
  - Freeze Prevention
    82
  - Simultaneous Demand of Space Heating and Domestic Water Heating
    83
Part 6 - Test Operation

89
Part 7 - Troubleshooting

137
Part 8 - Appendix

233
- Piping Diagrams
  234
  - Outdoor Unit
    234
  - Indoor Unit
    236
  - Switch Box Layout
    239
- Wiring Diagrams
  243
  - Outdoor Unit
    243
  - Field Wiring Connection Diagram
    247
  - Indoor Unit
    248
- Thermistor Resistance / Temperature Characteristics
  261
- Pressure Sensor
  264
- Method of Replacing the Inverter's Power Transistors Modules
  265
- External Backup Heater Kit
  268
  - Model Name
    268
  - Main Components
    269
  - Technical Specifications
    271
  - Detailed Explanation of Setting Modes
    272
  - External Backup Heater Control
    273
  - Troubleshooting by Indication on the Remote Controller
    275
  - Troubleshooting: General Symptoms
    276
  - Switch Box Layout
    277
  - Wiring Diagrams
    279
- Way Valve
  283
Part 9- Precautions for New Refrigerant (R-410A)

289
- Precautions for New Refrigerant (R-410A)
  290
  - Outline
    290
  - Refrigerant Cylinders
    292
  - Service Tools
    293

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