The simple system in Figure 1 shows the application of the Second Law of Thermodynamics. The compressor (A) adds energy to the refrigerant, and it becomes hot, just the way a hand operated tire pump ...

ORLANDO, Fla. ­— This seminar will cover various methods of determining flow in hydronic systems. Topics that will be addressed include: reading circuit setters, coil pressure drop, how to use a Cv ...