Daikin VRV II RXYQ20MY1KE Manuals

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Daikin VRV II RXYQ20MY1KE Service Manual

Daikin VRV II RXYQ20MY1KE Service Manual (310 pages)

R-410A Heat Pump 50/60Hz For High Outdoor Temperature Use

Brand: Daikin | Category: Heat Pump | Size: 11.5 MB

Table of Contents

Table of Contents
2
Introduction
7
- Safety Cautions
  7
- Preface
  11
Part 1 General Information

12
- Model Names of Indoor/Outdoor Units
  13
- External Appearance
  14
  - Indoor Units
    14
  - Outdoor Units
    15
- Combination of Outdoor Units
  16
- Capacity Range
  17
Part 2 Specifications

18
- Outdoor Units
  19
- Indoor Units
  27
- Ceiling Suspended Type
  41
Part 3 Refrigerant Circuit

54
- Refrigerant Circuit
  55
  - Rxyq8M, 10M
    55
- Functional Parts Layout
  57
  - Rxyq8M, 10M
    57
- Refrigerant Flow for each Operation Mode
  58
  - Cooling Oil Return Operation
    59
  - Heating Operation
    61
Part 4 Function

62
- Function General
  63
  - Symbol
    63
  - Operation Mode
    64
- Basic Control
  65
- Special Control
  71
  - Startup Control
    71
  - Oil Return Operation
    72
  - Defrosting Operation
    74
  - Pump-Down Residual Operation
    75
  - Standby
    76
  - Stopping Operation
    77
  - Pressure Equalization Prior to Startup
    79
- Protection Control
  80
- Other Control
  85
  - Outdoor Unit Rotation
    85
  - Emergency Operation
    86
  - Demand Operation
    88
  - Heating Operation Prohibition
    88
- Outline of Control (Indoor Unit)
  89
Part 5 Test Operation

98
- Test Operation
  99
  - Procedure and Outline
    99
  - Operation When Power Is Turned on
    103
- Outdoor Unit PC Board Layout
  104
- Field Setting
  105
Part 6 Troubleshooting

144
Part 7 Appendix

246
- Piping Diagrams
  247
  - Outdoor Unit
    247
  - Indoor Unit
    248
- Wiring Diagrams for Reference
  253
  - Outdoor Unit
    253
  - Field Wiring
    254
  - Indoor Unit
    257
- List of Electrical and Functional Parts
  274
  - Outdoor Unit
    274
  - Indoor Side
    275
- Option List
  280
  - Option List of Controllers
    280
  - Option Lists (Outdoor Unit)
    282
- Piping Installation Point
  283
- Selection of Pipe Size, Joints and Header
  286
- Thermistor Resistance / Temperature Characteristics
  288
- Pressure Sensor
  290
- Method of Replacing the Inverter's Power Transistors and Diode Modules
  291
Part 8 Precautions for New Refrigerant (R-410A)

294
- Precautions for New Refrigerant (R-410A)
  295
  - Outline
    295
  - Refrigerant Cylinders
    297
  - Service Tools
    298
Index

304
Drawings & Flow Charts

308

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