For this reason, the opposite of a flooded system
is sometimes called a "dry expansion" system, also abbreviated to "DX." So next time you hear a system described as "direct," pause for thought.
A flooded system
carrying excessive condensate will inhibit drying and slow the machine down, noted Masini, adding that an annual system evaluation can also identify where thermocompressor operations can be improved.
In a flooded system
, this utilization is about 30%, while in a VRB, it is about 30% to 40%.
Investment in alternative replacements such as ammonia flooded systems
may cost millions for large manufacturers.
Larger flooded systems
are a different matter as there is currently no F Gas blend to replace R22 although one is promised within the next couple of years.