Daikin VRV III RXYQ5-54PY1 Service Manual page 3

3.
4.
5.
6. Outline of Control (Indoor Unit) ...........................................................129
Part 5 Test Operation ............................................................... 143
1.
2.
3.
Part 6 Troubleshooting ............................................................. 199
1. Symptom-based Troubleshooting .......................................................201
2. Troubleshooting by Remote Controller ...............................................204
ii
Special Control....................................................................................109
3.1 Startup Control .....................................................................................109
3.2 Large capacity start up control (Heating) .............................................110
3.3 Oil Return Operation ............................................................................111
3.4 Defrosting Operation ............................................................................113
3.5 Pump-down Residual Operation ..........................................................114
3.6 Standby ................................................................................................115
3.7 Stopping Operation ..............................................................................116
Protection Control ...............................................................................118
4.1 High Pressure Protection Control.........................................................118
4.2 Low Pressure Protection Control..........................................................119
4.3 Discharge Pipe Protection Control .......................................................120
4.4 Inverter Protection Control ...................................................................121
4.5 STD Compressor Overload Protection.................................................122
4.6 Injection Control (only for RXYQ5P).....................................................122
Other Control.......................................................................................123
5.1 Outdoor Unit Rotation...........................................................................123
5.2 Emergency Operation ..........................................................................124
5.3 Demand Operation ...............................................................................128
5.4 Heating Operation Prohibition ..............................................................128
6.1 Drain Pump Control..............................................................................129
6.2 Louver Control for Preventing Ceiling Dirt............................................131
6.3 Thermostat Sensor in Remote Controller.............................................132
6.4 Thermostat Control While in Normal Operation ...................................134
6.5 Thermostat Control in Dry Operation ...................................................134
6.6 Electronic Expansion Valve Control .....................................................135
6.7 Hot Start Control (In Heating Operation Only)......................................135
6.8 Freeze Prevention ................................................................................136
6.9 Heater Control ......................................................................................136
6.10 List of Swing Flap Operations ..............................................................137
6.11 Control of Outdoor Air Processing Unit
(Unique Control for Outdoor Air Processing Unit) ................................138
Test Operation ....................................................................................144
1.1 Installation Process ..............................................................................144
1.2 Procedure and Outline .........................................................................145
1.3 Operation When Power is Turned On ..................................................159
Outdoor Unit PC Board Layout ...........................................................160
Field Setting ........................................................................................161
3.1 Field Setting from Remote Controller ...................................................161
3.2 Field Setting from Outdoor Unit............................................................174
2.1 The INSPECTION / TEST Button.........................................................204
2.2 Self-diagnosis by Wired Remote Controller .........................................205
2.3 Self-diagnosis by Wireless Remote Controller .....................................206
Si34-601A
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