Climatemaster Heat Pumps
Re: Copeland Expansion Valve Issue / AC-Renew
Copeland put an additive in their scroll compressors that can cause the expansion valve to become sluggish or unresponsive.
AC-Renew can be added to the refrigerant system to counteract the additive.
Climatemaster is currently paying to install AC-Renew in units with the following Serial# ranges: