What we thought was sponge rubber particles flying out the registers now seems to be mold that's growing on the supply air fan and its cage in the large air handler.
Any ideas on how to clean it? The fan itself seems to have a housing that we could wetvac out the bottom, if we chose to power...
Our air handlers' chill water valves (under building controls) are all configured as bypass regulators. That is, when the controls send a 100% signal, the valves squeeze off the bypass, and 0% opens the bypass. This doesn't give us complete control. I estimate that when set to 0% valve position...
We have a large Trane air handler that was built with the steam humidifiers discharging upstream from the cooling (chilled water) coil. This results in the coil removing much of the humidity that the steam adds. Is there any possible justification? We're in Texas. About 2% of the year, we *can*...