SiUS39-602
ii
Table of Contents
3.2
Oil Return Operation .............................................................................. 50
3.3
Defrosting Operation .............................................................................. 52
3.4 Pressure Equalizing Control .................................................................. 53
3.5
Pump-down Residual Operation ............................................................ 54
3.6
Restart Standby ..................................................................................... 56
3.7
Stopping Operation ................................................................................ 57
4.
Protection Control .................................................................................59
4.1
High Pressure Protection Control .......................................................... 59
4.2
Low Pressure Protection Control ........................................................... 60
4.3
Discharge Pipe Protection Control ......................................................... 61
4.4
Inverter Protection Control ..................................................................... 62
4.5
STD Compressor Overload Protection .................................................. 63
5.
Other Control ........................................................................................64
5.1
Outdoor Unit Rotation ............................................................................ 64
5.2
Emergency Operation ............................................................................ 65
5.3
Demand Operation................................................................................. 67
5.4
Heating Operation Prohibition ................................................................ 67
6. Outline of Control (Indoor Unit) .............................................................68
6.1
Drain Pump Control ............................................................................... 68
6.2
Thermostat Sensor in Remote Controller .............................................. 70
6.3
Freeze Prevention.................................................................................. 72
Part 5 Test Operation ................................................................. 73
1.
Test Operation ......................................................................................74
1.1
Procedure and Outline ........................................................................... 74
1.2
Operation When Power is Turned On .................................................... 77
2.
Outdoor Unit PC Board Layout .............................................................78
3.
Field Setting ..........................................................................................79
3.1 Field Setting from Remote Controller..................................................... 79
3.2 Field Setting from Outdoor Unit ............................................................. 91
Part 6 Troubleshooting............................................................. 111
1. Troubleshooting by Remote Controller ...............................................114
1.1 The INSPECTION / TEST Button ........................................................ 114
1.2 Self-diagnosis by Wired Remote Controller ......................................... 115
1.3 Self-diagnosis by Wireless Remote Controller..................................... 116
1.4 Operation of the Remote Controller’s Inspection /
Test Operation Button .......................................................................... 119
1.5 Remote Controller Service Mode ......................................................... 120
1.6 Remote Controller Self-Diagnosis Function ......................................... 122
2. Troubleshooting by Indication on the Remote Controller ....................127
2.1
“
A0
” Indoor Unit:
Error of External Protection Device ........................... 127
2.2
“
A1
” Indoor Unit:
PC Board Defect ........................................................ 128
2.3
“
A3
” Indoor Unit:
Malfunction of Drain Level Control System (S1L)...... 129
2.4
“
A6
” Indoor Unit:
Fan Motor (M1F) Lock, Overload .............................. 131
2.5
“
A7
” Indoor Unit:
Malfunction of Swing Flap Motor (MA)....................... 132
Summary of Contents for REYQ72
Page 35: ...Specifications SiUS39 602 24 Specifications...
Page 121: ...Field Setting SiUS39 602 110 Test Operation...
Page 129: ...Troubleshooting by Remote Controller SiUS39 602 118 Troubleshooting...
Page 225: ...Troubleshooting OP Unified ON OFF Controller SiUS39 602 214 Troubleshooting...
Page 232: ...SiUS39 602 Piping Diagrams Appendix 221 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...
Page 235: ...Wiring Diagrams for Reference SiUS39 602 224 Appendix REYQ144 168 192MTJU C 3D050354A...
Page 240: ...SiUS39 602 Wiring Diagrams for Reference Appendix 229 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...
Page 249: ...Example of Connection R 410A Type SiUS39 602 238 Appendix...
Page 255: ...Method of Replacing The Inverter s Power Transistors and Diode Modules SiUS39 602 244 Appendix...
Page 265: ...Precautions for New Refrigerant R 410A SiUS39 602 254 Precautions for New Refrigerant R 410A...
Page 269: ...SiUS39 602 iv Index...