SiME281501E Function DetailsFunction and Control 404.2.13 Discharge Pipe Temperature ControlThe compressor operating frequency will be controlled in order to avoid abnormal high compressortemperatures (see also electronic expansion valve control).[Electronic expansion valve opening degree control]Td: Discharge pipe temperatureNormal operation• &OR• &ORORTd > B°CCompressor upper limit frequency–1 step/20 sec.Compressor upper limit frequency+1 step/1 min.Compressor upper limit frequencyH HzCompressor stopAbnormal stop (F3 indication)10 times or less stopping in 200 minutesTd B°C• Upper limit frequency= Maximum frequency• Td < B°C• Td B°C• 5 min. elapsed• Td < A°C• Td C°Ccontinues for 5 minutes• 300 sec.• Td E°C continuesfor G min.• Td F°CStopped 11 timesin 200 minutes• &• Td > D°COR • Td < A°CRZQ20/24LVA RZQ36/45LVA,RZQ45/48MYLA °C 100 °C 100 °CB °C 105 °C 105 °CC °C 110 °C 110 °CD °C 120 °C 120 °CE °C 110 °C 115 °CF °C 125 °C 135 °CG min. 15 min. 10 min.H Hz 97.5 Hz 62 HzTd > 95˚CTd < 90˚CTd < 80˚CTd > 100˚CElectronic expansion valve openingdegree lower limit+5 pulses/Cooling for 2 minutes &heating for 1 minuteElectronic expansion valve openingdegree lower limit-5 pulses/Cooling for 2 minutes &heating for 1 minuteElectronic expansion valve openingdegree lower limit+10 pulses/Cooling for 2 minutes &heating for 1 minuteNormal control
