Specifications

SiUS34-907
iv Table of Contents
4.2 “M8” Malfunction of Transmission between
Optional Controllers for Centralized Control............................................. 198
4.3 “MA” Improper Combination of Optional Controllers for
Centralized Control................................................................................... 200
4.4 “MC” Address Duplication, Improper Setting ............................................. 202
5. Troubleshooting (OP: Unified ON/OFF Controller) .................................204
5.1 Operation Lamp Blinks ............................................................................. 204
5.2 Display “Under Centralized Control” Blinks (Repeats Single Blink) ......... 206
5.3 Display “Under Centralized Control” Blinks (Repeats Double Blink) ........ 209
Part 8 Appendix............................................................................222
1. Piping Diagrams......................................................................................223
1.1 Outdoor Unit ............................................................................................. 223
1.2 Indoor Unit................................................................................................ 224
2. Wiring Diagrams......................................................................................227
2.1 Outdoor Unit ............................................................................................. 227
2.2 Field Wiring .............................................................................................. 228
2.3 Indoor Unit................................................................................................ 229
3. Option List...............................................................................................236
3.1 Option List of Controllers.......................................................................... 236
3.2 Option List of Outdoor Unit....................................................................... 237
4. Example of Connection...........................................................................239
5. Thermistor Resistance / Temperature Characteristics............................241
6. Pressure Sensor .....................................................................................243
Part 9 Precautions for New Refrigerant (R-410A).......................244
1. Precautions for New Refrigerant (R-410A) .............................................245
1.1 Outline ...................................................................................................... 245
1.2 Refrigerant Cylinders................................................................................ 247
1.3 Service Tools............................................................................................ 248