Distributors and External Equalizers - Short #146

HVAC School - For Techs, By Techs · May 31, 2022 · 10m

In this short podcast, Bryan talks about distributors and external equalizers and why we need to use them together.

When older Carrier heat pumps (with pistons) would run in heat mode, the metering device would be outside. In those cases, the port on the liquid line would be on the opposite side of the metering device. So, you wouldn't actually be measuring the liquid line pressure (high-side) if you measured it at that port while the system runs in heat mode.

However, that pressure would be higher than the common suction pressure. That's because distributors and distributor tubes also have a…