How do absorption chillers work? - Thermaxglobal
The high affinity of the refrigerant for the absorbent (usually lithium bromide or ammonia) causes the refrigerant to boil at a lower temperature and pressure than it normally would and transfers heat from one place to another. STEP 1. Boiling point of the water acts as a function of pressure. At atmospheric pressure, water boils at 100 deg. C.