Daikin REYQ72-456XATJUA Manuals

Manuals and User Guides for Daikin REYQ72-456XATJUA. We have 1 Daikin REYQ72-456XATJUA manual available for free PDF download: Service Manual

Daikin REYQ72-456XATJUA Service Manual

Daikin REYQ72-456XATJUA Service Manual (482 pages)

60 Hz

Brand: Daikin | Category: Heating System | Size: 31 MB

Table of Contents

Table of Contents
2
Introduction

8
Part 1 General Information

16
- Model Names
  17
  - Indoor Unit
    17
  - Outdoor Unit
    18
  - Air Treatment Equipment
    19
  - Branch Selector Unit
    19
- External Appearance
  20
  - Indoor Unit
    20
  - Outdoor Unit
    21
  - Air Treatment Equipment
    22
  - Branch Selector Unit
    22
- Combination of Outdoor Units
  23
  - Reyq-Xatju(A), Reyq-Xaydu(A), Reyq-Xaycu(A)
    23
- Capacity Range
  24
- Specifications
  27
  - Reyq-Xatju(A)
    27
  - Reyq-Xaydu(A)
    44
  - Reyq-Xaycu(A)
    61
Part 2 Refrigerant Circuit

77
Part 3 Remote Controller

104
- Applicable Models
  105
- Names and Functions
  106
  - Brc1E73
    106
  - Brc1H71W
    109
  - Wireless Remote Controller
    117
- Main/Sub Setting
  118
  - Brc1E73
    118
  - Brc1H71W
    120
  - When Wireless Remote Controller Is Used Together
    122
- Address Setting for Wireless Remote Controller
  123
- Centralized Control Group No. Setting
  125
  - Brc1E73
    125
  - Brc1H71W
    127
  - Wireless Remote Controller
    127
  - Group No. Setting Example
    128
- Service Settings Menu, Maintenance Menu
  129
  - Brc1E73
    129
- Administrator Menu, Installer Menu
  133
  - Brc1H71W
    133
Part 4 Functions and Control

134
- Operation Flowchart
  136
  - Outdoor Unit
    136
  - Branch Selector Unit & Indoor Unit Operation Mode Detail
    137
- Stop Control
  138
  - Stop Due to Error
    138
  - When System Is in Stop Mode
    138
  - Slave Unit Stops During Master Unit Operation
    138
- Standby Control
  139
  - Restart Standby
    139
  - Crankcase Heater Control
    139
- Startup Control
  140
  - Startup Control in Cooling
    140
  - Startup Control in Heating
    141
- Basic Control
  142
  - Normal Control
    142
  - Compressor PI Control
    143
  - Compressor Step Control
    144
  - Electronic Expansion Valve PI Control
    146
  - Step Control of Outdoor Fans
    147
  - Heat Exchanger Control
    148
- Protection Control
  149
  - High Pressure Protection Control
    149
  - Low Pressure Protection Control
    151
  - Discharge Pipe Protection Control
    152
  - Compressor Body Protection Control
    153
  - Inverter Protection Control
    153
- Special Control
  155
  - Pump down Residual Operation
    155
  - Oil Return Operation
    156
  - Defrost Operation
    159
  - Outdoor Unit Rotation
    160
  - Cooling/Heating Mode Switching
    161
- Other Control
  164
  - Backup Operation
    164
  - Demand Operation
    164
  - Heating Operation Prohibition
    164
- Outline of Control (Indoor Unit)
  166
Part 5 Field Settings and Test Operation

193
Part 6 Service Diagnosis

272
Part 7 Appendix

453
- Wiring Diagrams
  454
  - Outdoor Unit
    454
  - Indoor Unit
    459
  - Air Treatment Equipment
    473
  - Branch Selector Unit
    476

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