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SiBE31-801_C

v Table of Contents

6. Troubleshooting (OP: Unified ON/OFF Controller) .............................328

6.1 Operation Lamp Blinks .........................................................................328

6.2 Display “Under Centralized Control” Blinks (Repeats Single Blink) .....330

6.3 Display “Under Centralized Control” Blinks (Repeats Double Blink) ....333

7. Troubleshooting (Heat Reclaim Ventilation)........................................334

7.1 “60” Error of External Protection Device ...............................................334

7.2 “64”, “65” Indoor Air Thermistor Error....................................................335

7.3 “6A” Damper System Error (Alarm) .......................................................336

7.4 “6A” Damper System Error (Alarm) .......................................................337

7.5 “6F” Malfunction of Simplified Remote Controller .................................338

Part 7 Appendix......................................................................... 353

1. Piping Diagrams..................................................................................354

1.1 Outdoor Unit .........................................................................................354

1.2 Indoor Unit............................................................................................359

1.3 BS Unit .................................................................................................366

2. Wiring Diagrams for Reference...........................................................367

2.1 Outdoor Unit .........................................................................................367

2.2 Field Wiring ..........................................................................................371

2.3 Indoor Unit............................................................................................373

2.4 BS Unit .................................................................................................389

3. List of Electrical and Functional Parts .................................................391

3.1 Outdoor Unit .........................................................................................391

3.2 Indoor Unit............................................................................................395

4. Option List ...........................................................................................401

4.1 Option List of Controllers......................................................................401

4.2 Option Lists (Outdoor Unit)...................................................................403

5. Example of Connection (R-410A Type) ..............................................404

6. Thermistor Resistance / Temperature Characteristics........................408

7. Pressure Sensor .................................................................................410

8. Method of Checking the Inverter’s Power Transistors and

Diode Modules ....................................................................................411

8.1 Method of Checking the Inverter’s Power Transistors and

Diode Modules .....................................................................................411

Part 8 Precautions for New Refrigerant (R-410A) .................... 413

1. Precautions for New Refrigerant (R-410A) .........................................414

1.1 Outline ..................................................................................................414

1.2 Refrigerant Cylinders............................................................................416

1.3 Service Tools........................................................................................417

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