Daikin RXYQ72-408TAYDU Manuals

Manuals and User Guides for Daikin RXYQ72-408TAYDU. We have 1 Daikin RXYQ72-408TAYDU manual available for free PDF download: Service Manual

Daikin RXYQ72-408TAYDU Service Manual (337 pages)

Heat Pump 60 Hz

Brand: Daikin | Category: Heat Pump | Size: 11.61 MB

Part 1 General Information

14
- Table of Contents
  14
- 1 Model Names of Indoor/Outdoor Units
  
  15
  - Indoor Unit
    15
  - Outdoor Unit
    15
  - Air Treatment Equipment
    16
- 2 External Appearance
  
  17
  - Indoor Unit
    17
  - Outdoor Unit
    18
  - Air Treatment Equipment
    18
- 3 Combination of Outdoor Units
  
  19
- 4 Capacity Range
  
  20
  - Combination Ratio
    20
  - Outdoor Unit Combinations
    20
Refrigerant Circuit Part 2

21
- 1 Refrigerant Circuit
  
  22
  - Outdoor Unit
    22
  - Refrigerant Circuit Part
    22
  - Indoor Unit
    28
  - Outdoor-Air Processing Unit
    30
- 2 Functional Parts Layout
  
  31
  - Rxyq72Taydu
    31
  - Rxyq96/120Taydu
    32
  - Rxyq144/168Taydu
    33
  - Rxyq72Tatju
    34
  - Rxyq96/120Tatju
    35
  - Rxyq144/168Tatju
    36
- 3 Refrigerant Flow for each Operation Mode
  
  37
Part 3 Remote Controller

49
- 1 Applicable Models
  
  50
- 2 Names and Functions
  
  51
  - Brc1E73
    51
  - Wireless Remote Controller
    53
- 3 MAIN/SUB Setting
  
  54
  - Brc1E73
    54
  - Wireless Remote Controller
    55
- 4 Centralized Control Group No. Setting
  
  56
  - Brc1E73
    56
  - Wireless Remote Controller
    58
  - Group No. Setting Example
    59
- 5 Service Mode
  
  60
  - Brc1E73
    60
Part 4 Functions and Control

62
- 1 Operation Flowchart (Outdoor Unit)
  
  64
- 2 Stop Control
  
  65
- 3 Standby Control
  
  66
  - Restart Standby
    66
  - Crankcase Heater Control
    66
- 4 Startup Control
  
  67
  - Startup Control in Cooling
    67
  - Startup Control in Heating
    68
- 5 Basic Control
  
  69
- 6 Protection Control
  
  74
- 7 Special Control
  
  79
  - Pump down Residual Operation
    79
  - Outdoor Unit Rotation
    79
  - Oil Return Operation
    81
  - Defrost Operation
    83
  - Drain Pan Heater (Option)
    83
- 8 Outline of Control (Indoor Unit)
  
  84
Part 5 Field Settings

108
- 1 Field Setting from Remote Controller
  
  109
  - Wired Remote Controller
    109
  - Wireless Remote Controller
    111
  - Simplified Remote Controller
    112
  - Setting Contents and Code No. for Indoor Units
    113
- 2 Field Settings for Outdoor Unit
  
  131
  - Function Setting
    131
  - Settings by DIP Switches
    133
  - Settings by BS Buttons
    136
  - Normal Mode
    138
  - Monitor Mode (Mode 1)
    139
  - Seg 3
    141
  - (2 Cycles Before)
    141
  - Number of Outdoor Units 1. 2
    141
  - Possible 0-7
    141
  - Possible 0-6
    141
Table of Contents

142
- Setting Mode (Mode 2)
  153
- Cooling Comfort Setting (See Mode 2
  166
- Heating Comfort Setting (See Mode 2
  167
- 3 Test Operation
  170
  - Checkpoints
    170
  - Checks before Test Operation
    170
  - Check Work Prior to Turn Power Supply on
    171
  - Turn Power on
    172
Part 6 Service Diagnosis

173
- 1 Symptom-Based Troubleshooting
  
  176
  - Indoor Unit Overall
    176
  - With Optional Infrared Floor Sensor
    179
- 2 Service Check Function
  
  180
  - Wired Remote Controller
    180
  - Wireless Remote Controller
    182
  - Error Codes and Descriptions
    184
  - Error Codes - Sub Codes
    186
- 3 Troubleshooting by Error Code
  
  187
- 4 Check
  
  304
  - High Pressure Check
    304
  - Low Pressure Check
    305
  - Superheat Operation Check
    306
  - Power Transistor Check
    308
  - Refrigerant Overcharge Check
    309
  - Refrigerant Shortage Check
    310
  - Vacuuming and Dehydration Procedure
    311
  - Thermistor Check
    312
  - Pressure Sensor Check
    315
  - Broken Wire Check of the Relay Wires
    316
  - Fan Motor Connector Check (Power Supply Cable)
    317
  - Fan Motor Connector Check (Signal Cable)
    317
  - Electronic Expansion Valve Coil Check
    318
  - Wiring Diagrams
    320
    
    Outdoor Unit
    320
    
    Indoor Unit
    326
    
    Air Treatment Equipment
    333

Daikin Categories

Air Conditioner Heat Pump Remote Control Chiller Fan

More Daikin Manuals

Daikin RXYQ72-408TAYDU Manuals

Daikin RXYQ72-408TAYDU Service Manual (337 pages)

Table of Contents

Part 1 General Information

1 Model Names of Indoor/Outdoor Units

2 External Appearance

3 Combination of Outdoor Units

4 Capacity Range

Refrigerant Circuit Part 2

1 Refrigerant Circuit

2 Functional Parts Layout

3 Refrigerant Flow for each Operation Mode

Part 3 Remote Controller

1 Applicable Models

2 Names and Functions

3 MAIN/SUB Setting

4 Centralized Control Group No. Setting

5 Service Mode

Part 4 Functions and Control

1 Operation Flowchart (Outdoor Unit)

2 Stop Control

3 Standby Control

4 Startup Control

5 Basic Control

6 Protection Control

7 Special Control

8 Outline of Control (Indoor Unit)

Part 5 Field Settings

1 Field Setting from Remote Controller

2 Field Settings for Outdoor Unit

Table of Contents

Part 6 Service Diagnosis

1 Symptom-Based Troubleshooting

2 Service Check Function

3 Troubleshooting by Error Code

4 Check

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