Fundamentally, three-phase, alternating current motors are about as simple as a motor gets. The power company produces three phases by spinning magnets and then on the other end we produce electromagnets that spin the motor according to the same 60 cycles per seconds frequency (60hz). All three-phases are 90-degrees out of phase from one another […]
This article is primarily based on HVAC School’s “Drain Cleaning – More To It Than We Think,” hosted by Bryan Orr and featuring Corey Cruz and Mike Klokus. How hard could it be to clean a drain? The slime should just wash away if you flush the drain with water or blow some […]
In this episode we are joined by three people who know a lot about heat pumps and cold weather Chad Gillespie: Chad is a senior manager, part of Mitsubishi Electric’s Performance Construction Team. He currently leads a national team of business development managers tasked with growing the new construction market for high-performance heat pumps. […]
RE: Do we change filter driers on units that have them inside the condenser?
My employer is a lennox dealer and unfortunately on some of the units they come with driers on the inside of the condenser. Do we have to change them if we are doing a pump down and swapping the evap or txv.