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Stay away from this pile of junk, had one for 6 months.... then wouldnt register anything. Cleaned it out and nothing, and not having a valve core depresser blows

If you work on the roof alot get a Veto, Plastic tub for a bottom, and throw the big shoulder strap over your back

This may seem like a dumb question, but are you burring out the tubing before you make a flare?

They cant suck worse than those JB's

Bought a set of Jb valve removal tools and the things are absolutely horrible. The roll pin that holds the end on walks all over the place and took out the ball valve and the o ring on the back of...

The valve was a danfoss and someone installed it incorrectly. There is no J tube, and it is feed above the valve with the powerhead going horizontal. The temps I took across the refrig lines lead to...

Another thing that can screw these guys up is the incoming water temperature

If you have max freeze time faults you either have a low charge or the discharge and water temp sensor harnass is probably faulty.

Is there proper spacing around the units?

Are the air filters...

does it have that adaptive defrost?

If were talking a cooling tower than were talking alota heat. The water is reused and yes some evaporates. How big of a system are you talking? The one I worked on was a 60,000 lb ammonia system.

Also should look at a water softning system to help alleviate the hard water problem.

If your using a cooling tower you should contact a company and have chemicals added to the holding tanks. They will help prevent lime scale build up. Ive had to try to remove lime scale build up in...

If im staring at a sight glass by the condensing unit and the box is lets say, 30 feet down the way and 20 feet vertical. How is it that clearing the glass 50 feet away ensures a solid column of...

Maybe ive just got a bad case of the stupids from working in the heat all day, but the sporlan 90-30-1 link was for charging a system with a headmaster.

Shouldnt there be a different chart for...

Thats what I thought. What would be an appropriate way to charge a walk in cooler or freezer with just a txv? Where on sporlan's website should I try to find this information?

Thanks JP, is that formula and chart for charging any cooler or freezer?

Is there a method to charging a walk in cooler or freezer on intial setup beyond just filling to the sight glass and calling it good? Ive looked on sporlan's website and cant seem to easily find the...

Im fairly new to refrigeration, so im not trying to come off as coarse. Just tryn to find the right way to do things.

Headmaster valve? Are you refering to a TXV?

The way ive been taught is to...

If superheat and subcooling dont nescessarily matter in refrigeration, how am I positive I have a solid liquid column to the txv?

The only thing I noticed wrong, maybe I need to be educated, is that for a blend refrigerant you cant charge as gas and you would add charge prior to intial start up on high side. Let system...

I agree with this. I was trying to test out a thermistor and couldnt figure out why eveything was open... until I went of flukes site and saw the 10k limit. I like the 902 but wish I had gotten...

what in the world....

I can see how a sealer would be a last resort thing for a molded evap in an ice maker. If your using the cleaner as a flush and blow out junk, arent you running the risk of making the system junk by...

The defrost should be controlled by a sensor attached to the suction line by the evap inside of the unit. As far as the control panel causing the center part of the unit to become hot im unsure of...

I was at the local wharehouse and I noticed that they sold, cleaners and sealers for refrig systems.

Are they worth anything and do they mess with the system at all?