Chapters per page:
Form #: 630-158
Deep vacuum is the only method you can use to tell, for sure, that a system is thoroughly dry and free of noncondensibles and leaks. This chapter pertains to pump construction, electronic vacuum gauges, vacuum gauge selection & accuracy.
Form #: 630-46B
The purpose of this chapter is help the service technician thoroughly understand the use of vacuum as a service “tool” to properly prepare a refrigeration or cooling system to receive its charge of refrigerant. The various sizes and types of vacuum pumps will be reviewed and followed by a brief discussion of the fundamentals of vacuum.