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Member Post posted an update August 9, 2026
Daikin AGZ Series
Im working on a 50 Ton Daikin AGZ. System is grossly oversized for application. I currently have Circuit 1 Tandum out for quote but were trying to keep Circuit 2 online. It started out once in awhile C2 Low Evap Pressure but now its everyday. Compared physical pressures to transducers and both read accurately. System has a new flow…
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Member Post shared a post in the group
August 12, 2026Centrifugal Chillers August 12, 2026
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Member Post shared a post in the group
August 12, 2026Scroll & Reciprocating Chillers August 12, 2026 -
Member Post shared a post in the group
August 12, 2026Scroll & Reciprocating Chillers August 12, 2026 -
Member Post posted an update August 3, 2026
Does anyone have an overhaul manual for a 19xrv5557446leh64? Let me know. Thanks
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Member Post posted an update August 5, 2026
I am asked to provide a maintenance contract for a university. We have been doing alot of service on all kinds of chillers air cooled 50-500tons and water cooled screw,scroll,turbocore,magnetic bearings and centrifugal from 75-2000 ton chillers on campus. On the service side obviously it changes job to job. But what is the going rate…
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Member Post posted an update July 31, 2026
19XR
Who has the service bulletin on a YT shaft seal replacement.
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Member Post posted an update August 2, 2026
Free coolers
i am interested in operation of winter chillers with free coolers
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Member Post posted an update July 29, 2026
Im new here and have a little experience with air cooled units. I hope yall will allow me to learn from you and not ridicule me like some techs would that think they know it all!
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Member Post posted an update July 30, 2026
30HXC liquid line driers
Anyone have any input on the liquid line driers on a Carrier 30HXC136RZW571KA?
Part number on the housing of the driers is 30HX401231.
From my understanding in the IOM, in the event of a flashing sight glass, you check temp across drier. If its over three degrees you replace driers and check again.
Well, I have almost five degree difference…
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