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4.
5.
6.
Part 7 Appendix......................................................................... 235
1. Piping Diagrams..................................................................................236
2. Wiring Diagrams for Reference...........................................................242
3.
4.
5.
6.
7.
iv
Main and Sub Remote Controllers .......................................................206
3.47 "U9" Indoor Unit:
Outdoor Units in the Same System ......................................................207
3.48 "UA"
Improper Combination of Indoor and Outdoor Units, Indoor Unit
and Remote Controller .........................................................................209
Address Duplication of Centralized Controller ...............................210
3.50 "UE"
Controller and Indoor Unit ....................................................................211
System is not Set yet .....................................................................213
3.52 "UH"
Malfunction of System, Refrigerant System Address
Undefined .............................................................................................214
Troubleshooting (OP: Central Remote Controller) ..............................215
4.1 "M1"
PC Board Defect ............................................................................215
Controllers for Centralized Control .......................................................216
Centralized Control...............................................................................217
Address Duplication, Improper Setting ..........................................219
Troubleshooting (OP: Schedule Timer)...............................................220
5.1 "UE"
and Indoor Unit.....................................................................................220
5.2 "M1"
PC Board Defect ............................................................................222
Controllers for Centralized Control .......................................................223
Centralized Control...............................................................................224
Address Duplication, Improper Setting ..........................................226
Troubleshooting (OP: Unified ON/OFF Controller) .............................227
6.1
Operation Lamp Blinks .........................................................................227
6.2
6.3
1.1 Outdoor Unit .........................................................................................236
1.2 Indoor Unit............................................................................................237
2.1 Outdoor Unit .........................................................................................242
2.2 Field Wiring ..........................................................................................243
2.3 Indoor Unit............................................................................................246
List of Electrical and Functional Parts .................................................263
3.1
Outdoor Unit .........................................................................................263
3.2 Indoor Side ...........................................................................................264
Option List ...........................................................................................269
4.1 Option List of Controllers......................................................................269
4.2 Option Lists (Outdoor Unit)...................................................................271
Piping Installation Point.......................................................................272
Selection of Pipe Size, Joints and Header ..........................................275
Thermistor Resistance / Temperature Characteristics........................277
Malfunction of Transmission Between Indoor and
Si39-502A
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Troubleshooting
