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4.
5.
6.
Part 7 Appendix......................................................................... 267
1. Piping Diagrams..................................................................................268
2. Wiring Diagrams for Reference...........................................................277
3.
4.
iv
and Indoor Unit.....................................................................................233
3.45 "U7"
Malfunction of Transmission Between Outdoor Units....................234
and Slave Remote Controllers .............................................................236
3.47 "U9"
and Outdoor Units in the Same System ...............................................237
Excessive Number of Indoor Units ................................................239
Address Duplication of Central Remote Controller ........................240
3.50 "UE"
Remote Controller and Indoor Unit.......................................................241
Refrigerant System not Set, Incompatible Wiring/Piping ...............243
Troubleshooting (OP: Central Remote Controller) ..............................245
Remote Controller and Indoor Unit.......................................................245
4.2 "M1"
PC Board Defect ............................................................................246
for Centralized Control .........................................................................247
for Centralized Control .........................................................................248
Address Duplication, Improper Setting ..........................................250
Troubleshooting (OP: Schedule Timer)...............................................251
Remote Controller and Indoor Unit.......................................................251
5.2 "M1"
PC Board Defect ............................................................................253
Controllers for Centralized Control .......................................................254
for Centralized Control .........................................................................255
Address Duplication, Improper Setting ..........................................257
Troubleshooting (OP: Unified ON/OFF Controller) .............................258
6.1
Operation Lamp Blinks .........................................................................258
6.2
(Repeats Single Blink)..........................................................................260
6.3
(Repeats Double Blink) ........................................................................263
1.1 Outdoor Unit .........................................................................................268
1.2 Indoor Unit............................................................................................271
2.1 Outdoor Unit .........................................................................................277
2.2 Field Wiring ..........................................................................................280
2.3 Indoor Unit............................................................................................283
List of Electrical and Functional Parts .................................................301
3.1
Outdoor Unit .........................................................................................301
3.2 Indoor Side ...........................................................................................303
Option List ...........................................................................................309
4.1 Option List of Controllers......................................................................309
Si39-407
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Troubleshooting
