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northwestmechanic
02-12-2010, 09:25 PM
My company has recently taken on a few contracts with some chillers, with what we had before, there is now a few Carriers, tranes, mcquays and multi-stacks, but by far the most Carriers. The "Chiller techs" we have are about to retire real soon. My company has offered me the oppurtunity to take in some chiller training.

My question to you guys, who offers the best training, is there somewhere that offers a generalized course. Or is it better to get the manufacturers training? Can anyone suggest a course to take?

Any help is much appreciated

Thanks a lot!

duke of earl
02-12-2010, 10:19 PM
Take a factory school from each manufacturer if possible. A screw is a screw and a centrifugal is a centrifugal. It is the chiller controls and starters that differ from one to another and in order to learn each, specialized training is required.

acjourneyman
02-12-2010, 10:24 PM
How is it working for Larry.

mustardman
02-12-2010, 10:27 PM
Take a factory school from each manufacturer if possible. A screw is a screw and a centrifugal is a centrifugal. It is the chiller controls and starters that differ from one to another and in order to learn each, specialized training is required.


Uh I don't think so. I have pulled apart about 70 Tranes 4 McQuays 2 Yorks and 2 Carriers centrifugals that is and let me tell you they are nowhere near the same. Starters and controils are the easy part imo

nyrb
02-12-2010, 11:05 PM
Factory schooling is good if you can get it. Some of them or at least 1 I can think of don't think you need to know service level passwords and try to keep them secret. I went to the Entech 1 week course in Texas for their microprocessors last year and would certainly reccomend it as it covers the 4 major manufacturers and isn't biased 1 way or the other. They also offer teardown courses.

cold in alberta
02-14-2010, 12:31 PM
Uh I don't think so. I have pulled apart about 70 Tranes 4 McQuays 2 Yorks and 2 Carriers centrifugals that is and let me tell you they are nowhere near the same. Starters and controils are the easy part imo

x2

duke of earl
02-14-2010, 01:43 PM
The dynamics of a centrifugal compressor are all the same. They all work basically the same way. Some are bigger, some smaller. some run at 3600 rpm, some run at high speeds, some are oiless,some have oil management systems. They all have impeller wheels that draw refrigerant vapor into the wheels and compress the gas into discharge volutes. now how does that change from one manufacturer to another? The controls are the biggest difference period.

kwhit
02-15-2010, 01:05 AM
Hey Duke

So with all the items you have listed how are they the similiar? How about the fact that trane uses a closed wheel where carrier uses an open wheel. Basically all you are saying is a compressor is a compressor period.

printer2
02-15-2010, 10:40 AM
Centrifugal force, spin that sucker up. How the compressor is made has more to do with operating characteristics.

Not that I know anything about compressors but I did look into centrifugal fan design at one time. Part basic physics, part aerodynamics (actually fluid dynamics but that scares people away more than saying it operates somewhat like a wing.) that determines the shape of the pressure/capacity curves.

whec720
02-15-2010, 10:53 AM
Carrier centrifugal courses look to be canceled for some reason. However, you can still attend the screw class. Big bucks. You have to talk the boss into it. Good luck.

http://www.new.hvacpartners.com/partnerportal/home.aspx

Largest centrifugals in the world are produced by Mother Nature. Study up on typhoons and hurricanes.

printer2
02-15-2010, 01:23 PM
Carrier centrifugal courses look to be canceled for some reason. However, you can still attend the screw class. Big bucks. You have to talk the boss into it. Good luck.

http://www.new.hvacpartners.com/partnerportal/home.aspx

Largest centrifugals in the world are produced by Mother Nature. Study up on typhoons and hurricanes.

With built in humidifiers.