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Just a negative -10F freezer, nothing extreme.

A oil safety switch would be an idea but if the oil gets low and it shuts off then lost product is a serious issue.

On the topic of oil seperators, I know that they are not 100% but wouldn't what...

I understand and that's why I didn't go that route with the separator from the start. I just wish I knew what was causing the problem in the system.

Heatcraft doesn't offer a oil separator on...

Emkarate POE ISO 32 (150 SUS)

Should I go with a impingement, helical, or coalescent type oil separator?

Ok never thought they put oil pumps in anything under 3 or 4 horsepower semi herma.

Even though the guides say 7/8" is ok, would it be better to go with 5/8" ?

I'm going to be shutting it down...

Just installed a R-507 Low temp Beacon II system and am having a oil return issue. The condenser unit is mounted about 3-4 feet above the evaporator on the roof and I have a u-trap on the outlet of...

Well I'm going with a Beacon II setup (already have one on the medium temp box) so it has the pump down covered. I know some kinda frown on Beacon systems but I've had good luck with them. I just...

Well since everything in the cooler is "packaged" in buckets or bags the health dept. told me that I can use plywood as long as its epoxy coated. If I scratched the FRP and just used plywood with the...

Thanks its just I got a little thin skinned after getting read the riot act by a few guys at the supply houses when I asked them a few questions and that's why I decided to try you guys here on...

if the seal behind the FRP is so important it sounds like I should but vapor barrier on it too? But that goes against what I've always been told about totally sealing up a wall.

Vapor barrier...

I was planning on putting the vapor barrier (8mil thick vinyl/plastic sheeting) on the back side of the wall (hot side). I can put vapor barrier on the inside also behind the plywood and FRP but I...

What I was looking at was staggered stud construction to avoid the issues with the studs heat loss. Using 2x4's there will always be at least 4" of foam to block its heat loss.
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I understand the sizing of the equipment, my main concern is if I was overlooking something with the construction of the room itself.

As far as using a panelized box, I wish it were that simple....

My family moved our bakery into a building about 10 years ago that had a room that HAD been a 11' x 11' freezer with 8" urethane foam in all the walls and floor but the previous tenets pulled the...

My mom was a radiologist at a hospital nearby (2 miles) when the ammonia truck fell off the side of the 610 to 59 ramp at 11:18am May 11, 1976 and landed on the main lanes of 59. She remembers the...

Did someone cut all those cross members on picture #3 ?!?!?. From the looks of it someone took a sawzaw to the cross members so they could get the furnace in there.

Naa just put a dead fish at the bottom of the pile :D

In Texas you have to take a state test for the Type of license ,Enviromental Air conditioning or Refrigeration. There are also the class A or B which just dictates what size systems you can work on....

:Because the vapor line runs through it but is not open inside :it just passes through. The temperature of the vapor line :(coming from outdoor coil)is either hot or cold depending on :whether it is...

"Some of the high SEER Rheem/Ruud pumps use a charge compensator. Looks like a small accumulator. Not totally sure if that's part of what you are seeing or not."

Yes its a charge compensator, the...

Was looking at a 2 ton Ruud 12 Seer heat pump and on the receiver/compensator tank that is between the Reversing valve and the disturbutor for the condensor coil, there is a small line that runs from...

I'm a little disapointed with York/UPG/Coleman. The time came to replace both of my heatpumps at the house and I was in my local Johnstone getting some other supplies and saw one of the Coleman...

HVAC union shops must be northeastern thing. I've been in the industry down here in the Houston/Galveston Metro area for 10 years and never ran into a HVAC union. The only unions we have down here...

Jason how much butt did you have to kiss to get a Maytag distributorship in Houston ?? I would have figured the big boys would have all the territory in houston all closed up. I've tired talking to...