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Member Post posted an update March 30, 2026
YORK CENTRIFUGAL, CHILLER FLOODED TYPE,
The had a Liquid level transmeter located in high side…
The question is, How, give order to open and closed in a liquid line valve, ?
Is the superheat reading?
Is the Aproach reading?
Thank s your comment and answers
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Member Post posted an update April 1, 2026
Hey I’m doing a leak check and relief valve replacement on a carrier 30HXC any chance I could get that chapter added to the course?
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Member Post posted an update March 20, 2026
Hey guys, what thread sealant do you guys use for relief valves? I have been recommended locktite 567 by a buddy who works for daikin but i would love to hear what you all use
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Member Post posted an update March 19, 2026
TURBOCORE COMPRESSOR FAULT
Hi guys, I'm having trouble with this Turbocore T400 compressor. I have two compressors set up as slave 1 and I need to switch one to slave 2 to operate the chiller. The problem is that the compressor I need to set as slave 2 won't let me access OEM mode. Does anyone have an access code to make this change?
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Member Post posted an update March 18, 2026
YORK: YVAA R513A 200Ton screw compressor help
Hey tech family! I need some help.
I found this chiller with an alarm for system 1 & sytem 2: warning: Low Discharge Superheat Recovery.
What does this mean. I’ve read a lot on this chiller. Its maintaining 55F setpoint in the 35F ambient temperature but the warning continues to pop up, can anyone help?
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Member Post posted an update March 18, 2026
Good evening everyone. I just want to know how to training as an air cond technician. Maybe someone can help me?
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Member Post posted an update March 18, 2026
Hello gentleman, so ive recently started with the school district and most of the hvac equipment used are chillers and boilers. Before I was introduced to this world of hvac I was strictly residential with roughly 7 years under my belt servicing and installing mostly invertor communicating split systems. Truth be told I feel as if im in a…
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Member Post posted an update March 17, 2026
Carrier 30HXC
Hey guys i got tasked with an external oil filter change and the manual is confusing. Theres a service valve on one end of filter but on the other end is just a solenoid valve on conpressor. Manual says to close service valve and ball valve on both ends of filter. Are you guys trusting the solenoid to hold close? Or am i misunderstanding the manual?
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Member Post posted an update March 12, 2026
Hi Chiller Crew,
I have a question regarding a flow switch on a YK chiller. Is there a trick on how to change one out without shutting down the entire chiller or pump?
Thanks!
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Member Post posted an update March 10, 2026
30RAP multiple failed heat exchangers
I have spent most of my career as a light commercial tech. So if I am missing something dont crucify me, please. I have a customer with a 2020 Carrier 30RAP060 chiller. It is in a process application that cools the barrels of a mixing drum for dough. The pumps are separate from the chiller and controlled on their own, the loop does not…
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