Quote Originally Posted by garyed View Post
I 100% agree, we seem to have an argument about once a year about whether a liquid line restriction can cause elevated head pressure without the system being over charged. They obviously don't teach that in class so only those who have experienced it in the field can attest to it.

RTU and a split system are different, hen it comes to having a high head with a restricted LLFD. Microchannel condensers will have a high head as they just don't hold much volume, so there is no room for all the liquid refrigerant to stack up in them.