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Looking to hire an experience SME in HVAC for a research center located near Katy TX.

Typically a preheat coil will be used to prevent the the cooling coil from freezing in cold weather

Having some problems trying to find replacement part for Sun Manufaturing wall hung unit Model#HV60H-4-06C Serial#D02020CM.Need to replace Phase monitor and had no luck with any other vendors.I...

Hey thanks for the reply's the,reason we were looking for something smaller is because we were in the process of taking a small neslab cascade chiller out of service.We do not want to use the 30#...

Does any body Know about a small container for recovering refrigerant besides the 30# and 50# bottles.

Thanks,again for the information karsthuntr.

Thanks,karsthuntr just what I was looking for,where did you find the website,I have tryed the Rheem website and had no luck.

Hello,Does anybody know what the dimensions for the Rheem RCTH-A024S coil openings are.

Thanks in Advance Hugo.

Gerryboy,I'am not an expert on this type of Equipment,but we are trying to get this chiller bath repair for one of the lab technicians where we work.We have worked on some other cascades before but...

Still wating for some advise.

HELP!!!!!!!!!!!!!!!!

The manufacturer is Ladua/brinkman. We have tried to get help from the manufacturer, but they are not helpful and the do not carry manuels for older equipment.We have a tp chart that goes up to 45º...

Any cascade experts that can help with This one!!!!!I really need the advise.

I've been working on this cascade chiller bath and having difficulties charging it. The high side has R-502 and the low side has R-503 and a little bit of R-12. On cascade systems we normally charge...

Can the XV24-60 parker TXV, be used on a heatpump application.on the Air handler section.Not really sure if the Valve is a biflow.

Thanks for the respond,just wanted some clarfication on this topic,I was reading a article on this and wanted to see what kind of respond I would get.the example in this article was that when reading...

What weights more per cubic foot dry air or moist air

thanks for the replys guys,I was just wondering how cold the evaporating temparture needed to run to cool the liquid co2,and wanted to have a better understanding how the floating tube inside the...

need some help in trying to understand how this system works,any help would be much appriciated,this particular refrigeration system consist of a condensing unit and a corbon dioxide tank where they...

need some help in trying to understand how this system works,any help would be much appriciated,this particular refrigeration system consist of a condensing unit and a corbon dioxide tank where they...

Airworx:This is actually called the suction cutt-off unloader,that is activated by a solenoid,but not really sure how or what the proper sequence of operation is,I do know that is has to do with...

What's the purpose and the proper operation of a electrically operated control valve on a liebert model#UH075A-A00 serial#134384D any input would be much appreciated.Thanks in advance.Hugo

Thanks,for the input,I would monitor the operation to see how the freezer does next week,main complaint is that the freezer would take to long to cool to the desire temperature,I have checked it out...

Norm,can you help!

working on a True T-23F freezer,what would be the ideal defrost time for this particular freezer,looked at it and this freezer goes into defrost every six hours and it stays on defrost for 20...

I was looking at the pick and at first it does appear that the furnance is upside down,but after going through the instructions,and looking at the pictures it can be flip up-side down,but the only...