View Full Version : How to detect liquid flood back?

12-06-2016, 05:23 PM
Hi. How you guys detect a liquid flood back issue? I've having an issue of this multi unit. Fujitsu AOY30LMAW4. I've replace all the parts etc PCB and sensors even all the valve. Compressor runs about 10mins and it shut down by itself and runs back and repeat. I have charge fresh refrigerant in it and still happen same. The multi is connect with3 1hp indoor. Piping for each unit approx 120 feet.

Please help.

install monkey
12-06-2016, 05:27 PM
MAX PIPE LENGTH (each unit)25m MAX PIPE LENGTH (total)50 m