Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Refrigerant: Description and Operation

Relative Humidity, Temperature and Pressure Chart:







SYSTEM COMPONENTS, TEMPERATURE, RELATIVE HUMIDITY AND PRESSURE RELATIONSHIPS

To find the relationship between relative humidity, air temperature, evaporator pressure, engine speed (2000 rpm), discharge air temperature and high pressure, refer to accompanying figure.