DC Inverter Air
18K ,24K outdoor PCB
1‐‐‐ Compressor drive output,UVW
2‐‐‐ Monitor and test ou tput
3‐‐‐ Electronic expansion valve interface
4--Exhaust temperature sensor interface。
5--Temperature sensor interface of outdoor temperature and condense tube
6--Outdoor DC fan output
7--Four way valve out put interface
8--Power input
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