Item | Function | Description | ||||
1 | adjust rotational speed of compressor | |||||
2 | adjust the compressor phase current | |||||
3 | adjust the IPM module temperature | |||||
4 | adjust the AC input current | |||||
5 | adjust the AC input voltage | |||||
6 | adjust DC bus voltage | |||||
7 | adjust IGBT temperature | |||||
8 | indentify the type of outdoor unit | |||||
9 | outdoor unit frequency reduction protection | 1.current overload protection | ||||
2.compressor phase current overload protection | ||||||
3.IPM/ IGBT high temperature to reduce frequency protection | ||||||
Failure alarm protection | 1.IPM fault or high temperature alarm | |||||
2.IPM temperature transmit fault alarm | ||||||
3.compressor stalling or phase overload alarm | ||||||
4.compressor phase current overload alarm | ||||||
5.current sampling fault alarm | ||||||
6.IGBT high temperature fault alarm | ||||||
7.IGBT temperature transmit fault alarm | ||||||
8.DC bus overvoltage or undervoltage alarm | ||||||
9.AC input over current alarm | ||||||
10.15VDC undervoltage alarm | ||||||
1st Floor, Jindi Group, No. 19 Yangkeng Road, Shanxia Community, Pinghu Street, Longgang District, Shenzhen City, Guangdong Province,China
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