SiUS181305E
iv Table of Contents
8.2 Thermostat Sensor in Remote Controller................................................... 84
8.3 Freeze Prevention Control ......................................................................... 86
8.4 Hot Start Control (In Heating Operation Only)............................................ 86
Part 6 Test Operation and Field Settings ...................................... 87
1. Test Operation ..........................................................................................88
1.1 Procedure and Outline ............................................................................... 88
1.2 Operation when Power is Turned On ......................................................... 90
1.3 Branch Provider (BP) Unit .......................................................................... 91
1.4 RA Indoor Unit: CTXS, FTXS, CDXS, FDXS Series .................................. 93
1.5 SA Indoor Unit: FFQ Series........................................................................ 94
2. Field Settings ............................................................................................96
2.1 Outdoor Unit ............................................................................................... 96
2.2 RA Indoor Unit: CTXS, FTXS, CDXS, FDXS Series ................................ 110
2.3 SA Indoor Unit: FFQ Series...................................................................... 113
Part 7 Remote Controller ............................................................. 121
1. CTXS07JVJU, CTXS09/12HVJU ............................................................122
2. CTXS07LVJU, FTXS15/18/24LVJU........................................................124
3. FDXS09/12LVJU, CDXS15/18/24LVJU ..................................................126
4. FFQ09/12/15/18LVJU .............................................................................128
4.1 <BRC1E72> Wired Remote Controller..................................................... 128
4.2 <BRC7E830> Wireless Remote Controller .............................................. 134
Part 8 Troubleshooting................................................................. 136
1. Troubleshooting with LED .......................................................................138
1.1 Outdoor Unit ............................................................................................. 138
1.2 Branch Provider (BP) Unit ........................................................................ 143
1.3 Indoor Unit................................................................................................ 144
2. Service Check Function ..........................................................................145
2.1 CTXS, FTXS, CDXS, FDXS Series.......................................................... 145
2.2 FFQ Series ............................................................................................... 148
3. Error Codes and Description...................................................................154
4. Troubleshooting for CTXS, FTXS, CDXS, FDXS Series.........................156
4.1 Indoor Unit PCB Abnormality ................................................................... 156
4.2 Freeze-up Protection Control or Heating Peak-cut Control...................... 158
4.3 Fan Motor or Related Abnormality ........................................................... 160
4.4 Thermistor or Related Abnormality........................................................... 164
4.5 Check for CTXS, FTXS, CDXS, FDXS Series ......................................... 165
5. Troubleshooting for FFQ Series..............................................................167
5.1 Indoor Unit PCB Abnormality ................................................................... 167
5.2 Drain Level Control System Abnormality.................................................. 168
5.3 Fan Motor or Related Abnormality ........................................................... 169
5.4 Drain System Abnormality........................................................................ 170
5.5 Thermistor or Related Abnormality........................................................... 171
5.6 Remote Controller Thermistor Abnormality .............................................. 172
To Next Page
Loading...
