On an straight AC system, is there a hard fact that I can read about removing\not having a suction line filter installed? We have a Carrier split AC system with a suction line filter installed. It was not installed for a compressor burnout, it was installed when the system was new. I say it is not common practice to leave it in. (there is a filter installed in the liquid line) Another tech and I are debating. He states "leave it in, it doesnt hurt a thing." I think it needs removed, but I have no proof.
If this second question is to detailed for this open forum section, please do not answer...... What is the DP across the SL filter that determines it needs removed? That would give me amunition in this light hearted debate. A clue, there is no temp differential between input and out. So far, I'm losing