Daikin VRV IV RXYQ-TAYCA Series Manuals

Manuals and User Guides for Daikin VRV IV RXYQ-TAYCA Series. We have 1 Daikin VRV IV RXYQ-TAYCA Series manual available for free PDF download: Service Manual

Daikin VRV IV RXYQ-TAYCA Series Service Manual

Daikin VRV IV RXYQ-TAYCA Series Service Manual (442 pages)

Brand: Daikin | Category: Heat Pump | Size: 13.23 MB

Table of Contents

Part 1 General Information

16
- Table of Contents
  16
- Model Names
  17
- Outdoor Unit
  17
- Indoor Unit
  19
- Air Treatment Equipment
  19
- External Appearance
  20
- Outdoor Unit
  20
- Indoor Unit
  21
- Air Treatment Equipment
  22
- Combination of Outdoor Units
  23
- Rxlq-Ta, Rxlq-Tb
  23
- Rxyq-Ta
  23
- Connection Ratio
  24
- Capacity Range
  24
- Outdoor Unit Combinations
  25
- Specifications
  26
- Rxlq-Ta, Rxlq-Tb
  26
- Rxyq-Ta
  38
Refrigerant Circuit Part 2

43
- Outdoor Unit
  44
- Refrigerant Circuit (Piping Diagrams)
  44
- Refrigerant Circuit Part
  44
- Indoor Unit
  48
- Outdoor-Air Processing Unit
  51
- Functional Parts Layout
  52
- Rxlq72Ta, Rxlq72Tb, Rxyq72-120Ta
  52
- Rxlq96/120Ta, Rxlq96/120Tb, Rxyq144/168Ta
  55
- Cooling Operation
  57
- Refrigerant Flow for each Operation Mode
  57
- Heating Operation
  58
- Cooling Oil Return Operation
  59
- Defrost Heating Oil Return Operation
  60
Part 3 Remote Controller

61
- Applicable Models
  62
- Brc1E73
  63
- Names and Functions
  63
- Brc1H71W
  66
- Wireless Remote Controller
  74
- Brc1E73
  75
- Main/Sub Setting
  75
- Brc1H71W
  77
- When Wireless Remote Controller Is Used Together
  79
- Address Setting for Wireless Remote Controller
  80
- Brc1E73
  82
- Centralized Control Group No. Setting
  82
- Brc1H71W
  84
- Wireless Remote Controller
  84
- Group No. Setting Example
  85
- Brc1E73
  86
- Service Settings Menu, Maintenance Menu
  86
- Administrator Menu, Installer Menu
  90
- Brc1H71W
  90
Part 4 Functions and Control

91
- Operation Flowchart
  93
- Slave Unit Stops During Master Unit Control
  94
- Stop Control
  94
- Stop Due to Error
  94
- When System Is in Stop Control
  94
- Crankcase Heater Control
  95
- Restart Standby
  95
- Standby Control
  95
- Startup Control
  96
- Startup Control in Cooling
  96
- Startup Control in Heating
  97
- Basic Control
  98
- Normal Control
  98
- Compressor PI Control
  99
- Operating Priority and Rotation of Compressors
  100
- Compressor Step Control
  101
- Electronic Expansion Valve PI Control
  103
- Step Control of Outdoor Fans
  104
- High Pressure Protection Control
  105
- Protection Control
  105
- Low Pressure Protection Control
  107
- Discharge Pipe Protection Control
  108
- Compressor Body Protection Control
  109
- Inverter Protection Control
  109
- Pump down Residual Operation
  111
- Special Control
  111
- Oil Return Operation
  112
- Defrost Operation
  113
- Outdoor Unit Rotation
  114
- Backup Operation
  115
- Demand Operation
  115
- Heating Operation Prohibition
  115
- Other Control
  115
- Operation Flowchart
  116
- Outline of Control (Indoor Unit)
  116
- Set Temperature and Control Target Temperature
  120
- Remote Controller Thermistor
  122
- Thermostat Control
  124
- Drain Pump Control
  127
- Control of Electronic Expansion Valve
  129
- Freeze-Up Prevention Control
  130
- List of Swing Flap Operations
  132
- Hot Start Control (in Heating Operation Only)
  133
- Louver Control for Preventing Ceiling Dirt
  134
- Heater Control (Except FXTQ-TA, FXTQ-TB Models)
  135
- Heater Control (FXTQ-TA, FXTQ-TB Models)
  136
- Gas Furnace Control (CXTQ-TA Models)
  139
- 3-Step Thermostat Processing (FXTQ-TA, FXTQ-TB Models)
  140
- Fan Control (Heater Residual) (FXTQ-TA, FXTQ-TB Models)
  141
- Interlocked with External Equipment (FXTQ-TA, FXTQ-TB, CXTQ-TA Models)
  141
Part 5 Field Settings and Test Operation

143
- Field Settings for Indoor Unit
  144
- Field Settings with Remote Controller
  144
- List of Field Settings for Indoor Unit
  151
- Applicable Field Settings
  153
- Details of Field Settings for Indoor Unit
  157
- Gas Furnace Set up
  176
- List of Field Settings for Outdoor-Air Processing Unit
  177
- Operation Control Mode
  177
- Field Setting from Outdoor Unit
  179
- Settings by DIP Switches
  179
- Accessing the BS Buttons on the PCB
  182
- Operating the BS Buttons and DIP Switches on the PCB
  183
- Connecting the PC Configurator to the Outdoor Unit
  186
- Monitoring Function and Field Settings
  186
- Night-Time Low Noise Operation and Demand Operation
  203
- Energy Saving and Optimum Operation
  207
- Checkpoints
  210
- Checks before Test Operation
  210
- Test Operation
  210
- Gas Furnace Test Operation
  211
Part 6 Service Diagnosis

212

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