October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

A/C Control Assembly

The microprocessor is essentially the entire central processing unit (CPU) of the computer on a single chip. The decision making logic (instructions) is stored in a small read-only-memory (ROM) on the largest of the three printed circuit boards that comprise the A/C control head assembly.