Daikin VRV III REYQ8-48PY1 Manuals

Manuals and User Guides for Daikin VRV III REYQ8-48PY1. We have 1 Daikin VRV III REYQ8-48PY1 manual available for free PDF download: Service Manual

Daikin VRV III REYQ8-48PY1 Service Manual

Daikin VRV III REYQ8-48PY1 Service Manual (452 pages)

R-410A Heat Recovery 50Hz

Brand: Daikin | Category: Heating System | Size: 23.6 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
- BS Units
  58
Part 3 Refrigerant Circuit

60
- Refrigerant Circuit
  61
  - Reyq8P, 10P, 12P
    61
  - Reyq14P, 16P
    63
  - REMQ8PY1 (Multi 8HP)
    65
  - REMQ10PY1, 12PY1 (Multi 10, 12HP)
    67
  - REMQ14PY1, 16PY1 (Multi 14, 16HP)
    69
  - BS Unit Functional Parts
    71
  - Indoor Units
    72
- Functional Parts Layout
  73
  - Reyq8P, 10P, 12P
    73
  - Reyq14P, 16P
    74
  - Remq8P
    75
  - Remq10P, 12P
    76
  - Remq14P, 16P
    77
- Refrigerant Flow for each Operation Mode
  78
Part 4 Function

106
- Function General
  107
  - Symbol
    107
  - Operation Mode
    109
- Basic Control
  110
  - Normal Operation
    110
  - Compressor PI Control
    111
  - Electronic Expansion Valve PI Control
    119
  - Step Control of Outdoor Unit Fans
    119
  - Outdoor Unit Fan Control in Cooling Operation
    120
  - Heat Exchanger Control
    121
- Special Control
  122
  - Startup Control
    122
  - Large Capacity Start up Control (Heating)
    124
  - Oil Return Operation
    125
  - Defrost Operation
    129
  - Pump-Down Residual Operation
    131
  - Standby
    133
  - Stopping Operation
    134
- Protection Control
  135
  - High Pressure Protection Control
    135
  - Low Pressure Protection Control
    137
  - Discharge Pipe Protection Control
    139
  - Inverter Protection Control
    140
  - STD Compressor Overload Protection
    142
- Other Control
  143
  - Backup Operation
    143
  - Demand Operation
    143
  - Heating Operation Prohibition
    143
- Outline of Control (Indoor Unit)
  144
  - Operation Flow Chart
    144
  - Thermostat Control
    146
  - Drain Pump Control
    150
  - Control of Electronic Expansion Valve
    152
  - Freeze Prevention
    153
  - Heater Control (Optional PC Board KRP1B
    154
  - List of Swing Flap Operations
    155
  - Hot Start Control (in Heating Operation Only)
    156
  - Louver Control for Preventing Ceiling Dirt
    157
Part 5 Test Operation

158
- Test Operation
  159
  - Installation Process
    159
  - Procedure and Outline
    160
  - Operation When Power Is Turned on
    178
- Outdoor Unit PC Board Layout
  179
- Field Setting
  180
  - Field Setting from Remote Controller
    180
  - Field Setting from Outdoor Unit
    193
  - Emergency Operation
    215
Part 6 Troubleshooting

220
Part 7 Appendix

372
- Piping Diagrams
  373
  - Outdoor Unit
    373
  - Indoor Unit
    378
  - BS Unit
    382
- Wiring Diagrams for Reference
  383
  - Outdoor Unit
    383
  - Field Wiring
    388
  - Indoor Unit
    391
  - BS Unit
    406
- List of Electrical and Functional Parts
  407
  - Outdoor Unit
    407
  - Indoor Side
    412
- Option List
  418
  - Option List of Controllers
    418
  - Option Lists (Outdoor Unit)
    420
- Piping Installation Point
  421
  - The Example of a Wrong Pattern
    422
- Example of Connection (R-410A Type)
  424
- Thermistor Resistance / Temperature Characteristics
  428
- Pressure Sensor
  430
- Method of Checking the Inverter's Power Transistors and Diode Modules
  431
Part 8 Precautions for New Refrigerant (R-410A)

434
- Precautions for New Refrigerant (R-410A)
  435
  - Outline
    435
  - Refrigerant Cylinders
    437
  - Service Tools
    438
Index

444
Drawings & Flow Charts

448

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