Piping Diagram
Samsung Electronics 257
IPM (Intelligent Power Module) temperature protection
▪ Purpose
Prevent IGBT module damage due to overheating.
▪ Concept
▪ Control specifications in detail
If in this state for 10min, compressors stop and an is triggered (E400 or E500).
4th step Comp trip : Compressors stop and an error is triggered (E407).
If restarting the compressor, -10℃ is applied for 60 min as the temperature required to
enter protective control mode.
If an error is sent from
the INVc ontroller
IPM temperature (℃)
90
93
98
Compressor Trip (E400 or E500)
Normal operation
Compressor trip (E400 or E500) occurs if in this state for 10 min
7-3 Functions (cont.)
7-3-2-5 Protective control (cont.)
7-3-2 Control (cont.)
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