Daikin RXYQ96PYDN Service Manual page 3

8. Protection Control .....................................................................................63
9. Other Control.............................................................................................71
10.Test Operation ..........................................................................................72
11.Outdoor Unit PC Board Layout .................................................................93
12.Field Settings ............................................................................................94
Part 3
VRVIII R-410A Heat Recovery 60Hz119
1. Specifications ..........................................................................................121
2. Refrigerant Circuit ...................................................................................128
3. Functional Parts Layout ..........................................................................137
4. Refrigerant Flow for Each Operation Mode.............................................141
5. Function General.....................................................................................185
6. Basic Control...........................................................................................188
ii
7.2 Large Capacity Start Up Control (Heating)................................................. 51
7.3 Oil Return Operation .................................................................................. 52
7.4 Defrost Operation ....................................................................................... 56
7.5 Pump-down Residual Operation ................................................................ 58
7.6 Standby ...................................................................................................... 60
7.7 Stopping Operation .................................................................................... 61
8.1 High Pressure Protection Control............................................................... 63
8.2 Low Pressure Protection Control................................................................ 65
8.3 Discharge Pipe Protection Control ............................................................. 67
8.4 Inverter Protection Control ......................................................................... 68
8.5 STD Compressor Overload Protection....................................................... 70
9.1 Backup Operation....................................................................................... 71
9.2 Demand Operation ..................................................................................... 71
9.3 Heating Operation Prohibition .................................................................... 71
10.1 Installation Process .................................................................................... 72
10.2 Procedure and Outline ............................................................................... 73
10.3 Operation when Power is Turned On ......................................................... 91
12.1 Field Settings on the Outdoor Unit ............................................................. 94
1.1 Outdoor Units ........................................................................................... 121
1.2 BS Units ................................................................................................... 126
2.1 REYQ72, 96, 120PYDN, PTJU ................................................................ 128
2.2 REYQ144PTJU ........................................................................................ 130
2.3 REMQ72PYDN, PTJU (Multi 6ton)........................................................... 132
2.4 REMQ96, 120PYDN, PTJU (Multi 8, 10ton)............................................. 134
2.5 BS Unit Functional Parts .......................................................................... 136
3.1 REYQ72P, 96P, 120P .............................................................................. 137
3.2 REYQ144PTJU ........................................................................................ 138
3.3 REMQ72P ................................................................................................ 139
3.4 REMQ96P, 120P...................................................................................... 140
5.1 Symbol ..................................................................................................... 185
5.2 Operation Mode........................................................................................ 187
SiUS34-801A_b
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