Chiller Training Posts
Centrifugal Chillers
How IGV Work in Centrifugal Chillers
Inlet Guide Vanes (IGV) on centrifugal compressors don't work the way many would intuitively think. They are used for capacity control but they... more »
Future of Air Cooled Centrifugal Chillers
Air cooled centrifugal chillers have been an interesting development. Now some perspective. This is not a brand new concept in the last few years.... more »
The 4 Types of Chiller Drive Packages in Air Cooled Chillers
There are 4 types of chiller drive packages used in air cooled chillers. Cost, efficiency, and reliability are the major factors that play into which... more »
PWM in HVAC Chiller Controls - Pulse Width Modulation
There are two ways to look at how we use PWM technology in HVAC. You can see it from a controls or power perspective. Today lets look at this... more »
PWM in HVAC Chiller Drives - Pulse Width Modulation
PWM has done a lot to move the HVAC industry forward with our ability to control power to our loads. This gets used with magnetic bearings,... more »
Centrifugal Lift as Pressure VS Temperature
Centrifugal Lift as Pressure VS Temperature:I am going to share a thought process I’ve been working through on how Chiller technicians think of centrifugal... more »