Original message
| HvacChat
 |  "conversion of centrifugal chiller compressor"
, posted Mon 26 Jul 18:39  
we have required to convert our centrifugal chiller from refrigrent R-500 to 134_a. can any one help us to convert it in to 134-a
our these 3 no chillers are of carrier make and model is 17FA.capacty of cooling of each chiller is 1250 tons each.kindly tell us the conversion process in detail
thanx Eric
eric
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Replies:
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| chlrman1
| "Re(1):conversion of centrifugal chiller compr" , posted Wed 25 Oct 19:56
Any conversion attempted on a centrifugal chiller should be an engerneered conversion where you work through the manufacturer.
chlrman1
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| Rusty
| "Re(1):conversion of centrifugal chiller compr" , posted Mon 8 Nov 22:19
For the cost of a new 1250 TR chiller, you'ld save money in the end after you consider the costs involved to rewied the motor, replace the gaskets, vanes, relief valves and all the vent piping, upgrade the starter, possibly have to install a soft starter to handle the start load.
Thats also not including the requirements to install refrigerant monitoring and alarm system, ventilation system, thats required for a high pressure machine.
In the long term, a new machince could save you client operating $$$.
Once you think you've got it idiot proof someone finds a better idiot!
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| Xenos
Webmaster 
| "Re(1):conversion of centrifugal chiller compr" , posted Mon 26 Jul 23:05
Eric, I don’t believe at this time there are any centrifugal chiller mechanics on the site.
Xenos.
The best way to escape a problem is to solve it.
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| | Hal_C
| "Re(2):conversion of centrifugal chiller compr" , posted Fri 30 Jul 23:35
Call Carrier customer assurance,I am sure they will help you out.
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| | Rusty
| "Re(3):conversion of centrifugal chiller compr" , posted Mon 8 Nov 22:20
Your right Hal, Carrier would certainly want to help out. Right down to taking over the contract on the chillers!
Once you think you've got it idiot proof someone finds a better idiot!
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