Seattle rol Study guides, Class notes & Summaries

According to the SMC group, #2 refrigerants are - Toxic, flammable, explosive under certain conditions, and includes ammonia and SO. A hermetic system is a totally enclosed refrigeration system when the - Motor and compressor are sealed within the same system with the refrigerant. A heat pump has what type of valve that redirects refrigerant flows from heating to cooling? - A four way reversing valve A capillary tube system responds to an overcharge by - Head pressure. A capillary tube sy...

Seattle ROL Exam Study Guide with Complete Solutions Oil pressure switch - Answer️️ -Protects the compressor from operation too long with no or partial lubrication Off cycle defrost - Answer️️ -Is used on medium temperature systems for defrost by the air in the cooler which will be above 32F. Filter - dryer filter - Answer️️ -removes dirt and moisture out of the refrigerator. Suction accumulator - Answer️️ -prevents liquid refrigerant from entering the compressor. Recei...