SiUS281811EA
v Table of Contents
5. Check ......................................................................................................292
5.1 High Pressure Check ............................................................................... 292
5.2 Low Pressure Check ................................................................................ 293
5.3 Superheat Operation Check..................................................................... 294
5.4 Power Transistor Check ........................................................................... 295
5.5 Refrigerant Overcharge Check................................................................. 296
5.6 Refrigerant Shortage Check..................................................................... 297
5.7 Vacuuming and Dehydration Procedure .................................................. 298
5.8 List of Inverter-Related Error Codes......................................................... 299
5.9 Concept of Inverter-Related Error Codes................................................. 300
5.10 Thermistor Check ..................................................................................... 301
5.11 Pressure Sensor Check ........................................................................... 304
5.12 Broken Wire Check of the Relay Wires .................................................... 305
5.13 Fan Motor Connector Check .................................................................... 306
5.14 Electronic Expansion Valve Coil Check ................................................... 308
5.15 Fan Motor Connector Check for FTQ-TA ................................................. 311
Part 7 Appendix ............................................................................. 315
1. Wiring Diagrams......................................................................................316
1.1 Outdoor Unit ............................................................................................. 316
1.2 Indoor Unit................................................................................................ 320
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