Service Manual 203
Function
2. Function
1. Basic control.............................................................................204
1.1 normal operation.................................................................. 204
1.2 compressor control...............................................................204
1.3 main LEV control .................................................................204
1.4 subcooling LEV control.........................................................205
1.5 Fan control............................................................................205
2.Special control...........................................................................205
2.1 Oil return control...................................................................205
2.3 Oil equalizing control ............................................................208
2.4 Stopping operation................................................................211
3. Protection control.....................................................................213
3.1 Pressure protection control...................................................213
3.2 Discharge temperature control .............................................215
3.3 inverter protection control.....................................................216
3.4 Liquid back control................................................................216
3.5 Phase detection....................................................................216
4.Other control..............................................................................217
4.1 Initial setup ...........................................................................217
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