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These arent perfect answers but thoughts to think of. Good questions.

Remember higher temps = higher pressures. whatever the metering device. A slightly low system wont show the same pressures as...

The beer in the walk-in needs to be colder 34-36 degrees preferably.
The glycol loop needs to be somewhere under 30 but this only removes heat buildup from the tap lines. Most run around 25 deg...

Appreciate all your inputs.

Living and learning still.

Chuck the oil is saturated with it.

Cracker I saw that copeland bulletin in your link, thanks.

Instead of saying the only solution I should have said is system replacement the best solution....

Green slime in refrigerant. Heard of it never seen it but then I have only been in the biz for a few decades.

Maybe someone can help identify this.

I have a small R134a system, 8' cold well...

Good sense and logic says recover all refrigerants. I allways attempt to recover as complete as possible.
An unintentional accidental release recently of R404a caused me to try and understand just...

I recently looked at published internet equipment pricing. Shipping costs are extra.

When compared to our sell prices we are very close pricewise on every item they list with our ship and handling...

yep
If I remember right that was a particularly nasty store. Is that the one with a million pigeons on the roof. They had moved into and shat over all the equipment. Equip was pretty old and heat...

In the late 90s I was with a company where we did the service and maintenance on around 240 KM stores in the southwest.
We had one guy who did all the PM inspections in all of AZ. 6 or7 guys in AZ...

Thankyou Powell

Yeah I knew it was a 98 model changeout. guess I should have know the A too but didnt register.

Copeland mn#LACA-0131A-TAC-800 sn#CT98102235

Putting a closed up bakery on line after a 4 year shutdown. System is at least 30 years old no condenser tag.

W/IN freezer system flat leaks found...

:) I know this thread is going astray but I think all you answered the OPs question very well.

I wasnt talking about a 40 ton just a 2 ton my newest guy was working on today. His logic was that...

"It isn't the amount of time, it's how clean he gets the system when doing it. It can take a lot longer to clean a large system than a small system"

Sorry I just went through this with a tech...

50k BTU/h
Too much air flow, motor set on high speed, duct too large, low gas pressure, fan delay, all these need to be checked by your service company.
Check the temperature rise across the...

Check with wright/hennepin electric (whe.org)
I have several customers who are monitored by them. they can do temperature, water, fire, burglar whatever. and they serve a wide area around the TCs...

oops double post.

How do I just delete these?

Thanks coldin utah I'll see if I cant figure out that E.
50% is a nice savings.

ERV/HRV simply exchange the air in the home. HRV for the north country. They do not for the most part provide enough makeup air for a wood burner and exhaust.
That said many folks do use them...

Whats your water temp? Outside temp?
If the system was sized correctly I wouldnt think there would be any need for electric backup at all.
If your water (loop) temp is say 55deg then I would think...

You will not go wrong spending the extra 14 seer dollars for a 95% high efficiency variable speed 2 stage Goodman furnace. Those extra dollars will earn their way.
...

Thats called a destabilizer. One who causes you to slip and break the purple peeper out.
Closely related to the gremlins that snicker from behind the pipes at 3AM wich cause unknown flame failures.

Vision pro 3h 2c w outside senser is all we use for Goodman equipment and find them to be the most effective and efficient. Readily adjustable operating points at the stat.
When install costs are...

Thankyou Gary.

There are afew threads on these units I see.

They do appear to make sense at low temps ( to -30 deg f) in my area normal mid winter lows to -10. El co-op power costs at .09. Off...

Hi does anyone have any direct experience with the Hallowell heat pumps.

Installed, monitored or have one themselves? Is the cooling side good? does the staging operate on the cooling side?
Any...

I happen to like these units, especially their prep tables. In comparison to other units built today I think they are better. Some of their low end upright R/ins are as advertised and priced...