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I have some arneg refrigerated cases (dairy, frozen food, combined horizontal+vertical, etc) and have trouble with the electrical/mechanical systems. Could anybody get me some electrical/mechanical...

You have to change the all insulation, once is wet is ruin. My advice, use 3/4" minimun", and remember to re-insulate if you used the one that is factory open and have special glue for is oK,...

This is the second time that happen:
1.- In small Walkin cooler - R134a (20F) first I installed a Danfoss TXV with MOP element (capacity, temperatura, etc.) and because it keep closing and staying...

I am having trouble with those TXV. when they reach the MOP they close but stay close. I been trying to change the superheat and nothing happens.
I know that if I change for sporland or Alco would...

I am looking for a refrigeration system por a ice cream hardening room.
Evap. temp. -50°F, Room temp. -40°F.
Need help finding the equipment (supplier). Condensing unit and evaporator unit blower...

Thanks for your answer, but I believe is not my solution. That valve is ok when I am goint to the equipment, but the water have to go back to the tower and I will need a pump to overcome the water...

Thanks for your answer, I apologize for not respond quick enough, but I was traveling.
This is the thing, usually in the first and second floor the water pressure is over the regular used and it...

I have a problem with a cooling tower air conditioning system in a 12 store apartment building. Does anybody know how to control the high water pressure in the first and second level w/o using heat...

I am almost sure that with that small commercial unit there is no way to use Hepa Filter. And the fan booster it just a "patch". Remember that Hepa will increase the pressure loss in time.
I believe...

Your are absolutely right about concerning oil. That's the only thing to fear about, those compressors the reciprocants and scroll (basically the last one are equiped w/reverse rotation disconecting...

In a 12 store apartment building with a cooling tower air conditioning systems:
What is the best way to control the high water pressure in the first and second level w/o using heat plate exchange?

1.- You have to find the proper ventilation rate, mean the CFM
I believe the air changes must be between 3 and 10 min/change.
So you have to take the all volumen/min air change.
2.- When you have...

I need to find out, what is the best pressure differential setting for a Main Liquid Pressure Differential Valve in a rack, either kool gas or hot gas defrost?

I need to know where can I get technical info about the subject. Not for single one, just for rack one.

In Ashrae Handbook Refrigeration, Chapter 2 is all the info you need.

Definitely you have a restriction. Clean the strainer in TXV. I am taking that evap. is size right.

Mike is absolutely right go for. Just one more thing to take in consideration. Ammonia System are more reliable working with, and because people are afraid of you should have less competition in that...

Thanks dirtyboy103 you are absolutely right. That's was a beginer question trying to know what kind o forum is this, to tell you the truth I didn't like the aproach. But now I Know.
Not hard...

Did you check the amount of water, if is not a therm. problem, I am almost sure that the water flow change and is really dangerouz.

condensedDave - Thanks you are like remax.

I am so amazed about some answers, I ask not becouse I have not idea what is my business. We are so diferent about other class like doctors (if you are referal to other doctor, the new one doesn't...

I have a new Hussman Racks, I need to fill the oil separator installed. Which is the better method?