There is apparently some replacement R-22 called R-22a that you do not have to have the EPA license to purchase, like R-134a and Freeze 12 and other alternative products. Used the link you provided, no manuals for my model were found. My unit does have the heating unit. Just not sure where it is in ...

I have a Coleman Evcon Suncutter A/c and heating unit Model # BPCH0361BA. I need at least two pieces of information. Where can I get a manual or diagram for this unit and where is the heating element part located? I can do a lot of servicing on it and have found some legal R-22 replacement coolant. ...