Daikin RXYQ72 Serivce Manual page 3

4. Protection Control .....................................................................................49
5. Other Control.............................................................................................54
6. Outline of Control (Indoor Unit) .................................................................58
Part 5 Test Operation .................................................................... 63
1. Test Operation ..........................................................................................64
2. Outdoor Unit PC Board Layout .................................................................68
3. Field Setting ..............................................................................................69
Part 6 Troubleshooting ................................................................ 105
1. Troubleshooting by Remote Controller ...................................................108
2. Troubleshooting by Indication on the Remote Controller ........................120
ii
3.7 Pressure Equalization prior to
4.1 High Pressure Protection Control............................................................... 49
4.2 Low Pressure Protection Control................................................................ 50
4.3 Discharge Pipe Protection Control ............................................................. 51
4.4 Inverter Protection Control ......................................................................... 52
4.5 STD Compressor Overload Protection....................................................... 53
5.1 Outdoor Unit Rotation................................................................................. 54
5.2 Emergency Operation ................................................................................ 55
5.3 Demand Operation ..................................................................................... 57
5.4 Heating Operation Prohibition .................................................................... 57
6.1 Drain Pump Control.................................................................................... 58
6.2 Thermostat Sensor in Remote Controller................................................... 60
6.3 Freeze Prevention ...................................................................................... 62
1.1 Procedure and Outline ............................................................................... 64
1.2 Operation When Power is Turned On ........................................................ 67
3.1 Field Setting from Remote Controller ......................................................... 69
3.2 Field Setting from Outdoor Unit.................................................................. 81
1.1 The INSPECTION / TEST Button............................................................. 108
1.2 Self-diagnosis by Wired Remote Controller ............................................. 109
1.3 Self-diagnosis by Wireless Remote Controller ......................................... 110
1.4 Operation of The Remote Controller's Inspection /
Test Operation Button .............................................................................. 112
1.5 Remote Controller Service Mode ............................................................. 113
1.6 Remote Controller Self-Diagnosis Function ............................................. 115
2.1 "A0" Indoor Unit:
2.2 "A1" Indoor Unit:
2.3 "A3" Indoor Unit:
2.4 "A6" Indoor Unit:
2.5 "A7" Indoor Unit:
2.6 "A9" Indoor Unit:
Electronic Expansion Valve (20E) ............................................................ 127
2.7 "AF" Indoor Unit:
2.8 "AJ" Indoor Unit:
2.9 "C4" Indoor Unit:
Startup........................................................ 48
Error of External Protection Device ............................... 120
PC Board Defect............................................................. 121
Malfunction of Drain Level Control System (S1L) .......... 122
Fan Motor (M1F) Lock, Overload................................... 124
Malfunction of Swing Flap Motor (MA) ........................... 125
Malfunction of Moving Part of
Drain Level above Limit.................................................. 129
Malfunction of Capacity Determination Device .............. 130
Malfunction of Thermistor (R2T) for Heat Exchanger .... 131
SiUS39-601
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