Si33-105
Appendix R407C PLUS Series Heat Recovery System 219
Part 6
Part 6Part 6
Part 6
Appendix
AppendixAppendix
Appendix
R407C PLUS Series
R407C PLUS SeriesR407C PLUS Series
R407C PLUS Series
Heat Recovery System
Heat Recovery SystemHeat Recovery System
Heat Recovery System
1. Piping Diagram....................................................................................220
1.1 Outdoor Unit.........................................................................................220
1.2 BS Unit .................................................................................................222
1.3 Indoor Unit............................................................................................224
2. Wiring Diagram ...................................................................................225
2.1 Outdoor Unit.........................................................................................225
2.2 BS Unit .................................................................................................227
2.3 Indoor Unit............................................................................................228
3. Characteristics ....................................................................................240
3.1 R407C Characteristics .........................................................................240
3.2 Thermistor Resistance / Temperature Characteristics.........................241
3.3 Pressure Sensor...................................................................................243
3.4 Method of Replacing The Inverter’s Power Transistors
and Diode Modules ..............................................................................244
4. Precautions in Servicing The Models with New-type Refrigerant .......246
4.1 Tools Required.....................................................................................246
4.2 Notes for Work Procedures..................................................................247
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