Daikin VRV II RXYQ20MAYL Manuals

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Daikin VRV II RXYQ20MAYL Service Manual

Daikin VRV II RXYQ20MAYL Service Manual (331 pages)

R-410A Heat Pump 60Hz

Brand: Daikin | Category: Heat Pump | Size: 15.88 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
- Model Selection
  17
Part 2 Specifications

20
- Outdoor Units
  21
- Indoor Units
  32
  - Ceiling Suspended Type
    46
  - Floor Standing Type
    49
Part 3 Refrigerant Circuit

54
- Refrigerant Circuit
  55
  - Rxyq5Ma
    55
  - Rxyq8Ma, 10Ma, 12Ma
    57
  - Rxyq14Ma, 16Ma
    59
- Functional Parts Layout
  61
  - Rxyq5Ma
    61
  - Rxyq8Ma, 10Ma, 12Ma
    62
  - Rxyq14Ma, 16Ma
    63
- Refrigerant Flow for each Operation Mode
  64
Part 4 Function

76
- Function General
  77
  - Symbol
    77
  - Operation Mode
    78
- Basic Control
  79
- Special Control
  88
  - Startup Control
    88
  - Oil Return Operation
    89
  - Defrosting Operation
    91
  - Pump-Down Residual Operation
    92
  - Standby
    93
  - Stopping Operation
    94
  - Pressure Equalization Prior to Startup
    96
- Protection Control
  97
- Other Control
  102
  - Outdoor Unit Rotation
    102
  - Emergency Operation
    103
  - Demand Operation
    105
  - Heating Operation Prohibition
    105
- Outline of Control (Indoor Unit)
  106
  - Drain Pump Control
    106
  - Louver Control for Preventing Ceiling Dirt
    108
  - Thermostat Sensor in Remote Controller
    109
  - Thermostat Control While in Normal Operation
    111
  - Thermostat Control in Dry Operation
    111
  - Freeze Prevention
    112
  - Heater Control
    113
  - List of Swing Flap Operations
    114
Part 5 Test Operation

116
- Test Operation
  117
  - Procedure and Outline
    117
  - Operation When Power Is Turned on
    121
- Outdoor Unit PC Board Layout
  122
- Field Setting
  123
Part 6 Troubleshooting

162
Part 7 Appendix

264
- Piping Diagrams
  265
  - Outdoor Unit
    265
  - Indoor Unit
    268
- Wiring Diagrams for Reference
  270
  - Outdoor Unit
    270
  - Field Wiring
    276
  - Indoor Unit
    282
- List of Electrical and Functional Parts
  294
  - Outdoor Unit
    294
  - Indoor Side
    298
- Option List
  303
  - Option List of Controllers
    303
  - Option Lists (Outdoor Unit)
    305
- Piping Installation Point
  306
  - The Example of a Wrong Pattern
    307
- Selection of Pipe Size, Joints and Header
  308
- Thermistor Resistance / Temperature Characteristics
  310
- Pressure Sensor
  312
- Method of Replacing the Inverter's Power Transistors and Diode Modules
  313
Part 8 Precautions for New Refrigerant (R-410A)

316
- Precautions for New Refrigerant (R-410A)
  317
  - Outline
    317
  - Refrigerant Cylinders
    319
  - Service Tools
    320
Index

326

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