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Google and knowing what you are looking for, no problem. It's there.

I like the running your finger through the flame on a candle answer.
Had someone explain to me once by saying, the water was a train and the BTUs were people. The faster the train ran through the...

I didn't read some of the long winded explanation. So I'm not sure if I'm repeating something already said. Here's your answer: Laminar Flow. It's that simple.
...

DP switches have their own downfall. Do you think something like a big piece of plastic across inlet tubes, etc., would be detected by a DP switch?

The number actually does designate which chemical of several Carrene #'s
But you are probably on the right one.....

...old...never thought of it that way..
Just been around a long time..

...will you have to call Florida? Hehehe

Call Carrier, you seemed to post your answer.

I know, didn't know you knew.

Well, getting the Mrs. up and down the elevator in comfort, takes a back seat to, Grandma in the Operating Room.
There's reasons why some stuff runs, and stuff doesn't really need to run.

Well, my previous post may not come across correctly.
Heavy equipment is usually (used to be) designed for a 20 year life span. I've looked after equipment that has exceeded that, from day one....

How much build up without treatment? Do what you want. I'm just giving my years of experience. It's always "Pay me now or Pay me, way more later". You might not even be there a few years from now,...

Without using Google, Yahoo, etc., is there anyone posting here that still remembers what this was?

Hahaha

Can't seem to get my head around all this right now......just remeber even with lowest loads,etc., it still tkakes a certain amount of % Full Load, just have the damned thing running. Hope that...

"I work at a large hospital, with a couple large chiller plants" I've seen bills as high as $80,000 for fill repacement.
Makes water treatment cheap...overall.

Well, here I go.... I honestly don't know where to start.
Water treatment is the best.
Fouled tubes on chiller...easy fix.
Fouled fill in cooling tower (remember fouling due to heat transfer in...

It is a thermal dispersion type switch, as the temp rises, it senses less flow.
Now, if this has worked before in this installation, I would suspect a faulty switch.
If this is new install, I...

Not sure why everyone has to thump their chest like it's an old "Tarzan" movie (I know it all).
Have a "Competent Contractor" do a "Drop-In" replacement for R-12.

The best two I ever worked on were at LCBO wharehouse on Front street. Every nut and bolt were chromed.
Origianal pictures on site with Willis wearing his suit and fedora.
Also some along Bay...

Worked on some in To, but Chemical Valley was my best. Shaft alignment is key to seal life. Quad ring vs. O ring vs nothing, seen it all. Loctite was used at one time. I've assembled countless shaft...

Is there any way for you to get original design spec's for chiller? If everything as you state is according to design, I'd consider a problem with vanes.
Now, how many have worked on this before you...

Paint is cheap and obviously Impresses people.
Nice looking plant, but first thing I noticed was, the non Manufacture recommended external oil filter installation (by the way it's not painted). See...

Before you take picture, make sure you have a filter on the lens that will be good to take picture of ARC Welding.
Just in case. At least if anything goes wrong, we might be able to tell you what...

Damn, I swore to myself that I was done with this.
I'm weak.

Do the words "critical charge" ring a bell?

Best of Luck :

Dick :grin2:

Thanks, but no thanks. :cheers:

Just got one like that! Misapplied!

No Kidding.
Who commissioned it?

Did you actually read my posts.
They did include "Misapplied". Hehehe.

Funny thing is, I don't.
That's why I called Tech Support, looking for clarification on that particular alarm.

I do know how a refrigeration sytem works, I do know how a compressor works, I do...

Unloading is certainly better than stopping and starting. Do you know of any other systems that unload, rather than starting and stopping ?

I'm beginning to understand how post counters rack up.

Unloading a compressor, not good. Go figure.
I think ya could stand to do some reading.
The "POS" compressor is usually misapplied, maintained by someone without the proper knowledge, or something...

My problem turned out to be low evap flow. Quite simple actually, just got to check things that would cause the compressor to run, "outside it's design envelope". Hehehe.

Reread your reply, not...

Well, I had this alarm. I called for explaination.

The official reason that all those symptons will flag a High Head alarm, "..we're computer programers...picked the five conditions and chose what...

What make is SSS?

A gas axe does well on those, but I wouldn't want to breath the fumes. Hahaha

Pump seals?

Have you called Tech Support?
Give that a try.
I'm not going to give out number, if you or your company works on this equipment, you should be able to come up with the number.

..

63°F not bad.
165°F not good.
The motors and terminals are insulated to prevent sweating.

Well, I can tell ya the problem, it's the owner.
There's only two real reasons I know someone won't show to do work.
They either took off with the money they were paid or they didn't get paid for...

What would make the original charge no longer valid?
Just asking?

Cool, it's fixed and solution was given here.
Thanks for the followup report.

Well, I'll stick my neck out here, since we don't have all the info.
If it was running at 85° F entering water temp (at least in this area), it better be at 100%. Not sure what your machine design...

Well, did you cut her open yet?

Ditto

Ever try to pull a tube with a freeze buldge?
Eddy current will determine wether to plug or replace, by the number of tubes damaged.

Start by making sure all printers and photocopiers are removed from under the t'stats.

http://hvac-talk.com/vbb/showthread.php?t=737431

Did you read this thread?

Vane actuator, apparently drives wide open. Signal issue, I wouldn't think so, by the description of the problem.

Good luck.
I'm surprised the welder answers the phone when I call.
I guess he finds some of the stuff a challenge and interesting.