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Refrigeration Technologies Viper aerosol coil cleaner has an incredibly fine pin point spray that you can aim deep into the coil. The foam expands and pulls a good amount of crud out and is not harsh...

The basic HOBO data logger is great for a lot of situations.

2.5 yrs plus and I still haven't had to touch this unit.

Crap.
..... Probably just jinxed myself.

Never bothered me much until these new fingerprint recognition appa

40+ yrs ago I took over a mobile automotive maintenance service and hooked a big commercial account. L&N Railroad, sweet gig, they had dozens of trucks in their fleet, a covered warehouse where I...

That reminds me.....still have not replaced that solenoid!

No complaints from the tenant in 14 months, so there is that.

Your pressures will vary depending on where the ice machine is in its cycle.
Don't recognize that evap from the picture but service info on most brands will give you expected pressures and cycle...

Johnstone:
Flare Swivel Connector
US4-6 EA 3/8 SWVL NUT CON
Conn. Size: 3/8" SAE;

Order #: R53-049

Catalog Pg.: 990

Mfg. #: US4-6

Our facility has a combination walk in cooler with entrance to a smaller walk in freezer inside of it. Cooler compressor died a decade ago. No longer had need for freezer section due to other changes...

Sounds like a good candidate to add a defrost clock.

see tech sheet

Have you checked your temperature sensor at two different temperature points against the ohm chart?

Temperature Sensor
Part Number: AP4032998

TEMPERATURE/RESISTANCE CHART
FOR FRESH FOOD...

>>>>“New”, then “2 days later”, followed by adjustments and “never worked better”

Uhm. It only ran two days unless I missed something.<<<

Never worked better compared to the previous three...

Appreciate the feedback.
I got the AAS HVAC degree from community college in 1990 but it was a pretty bogus program. Tried to apply the credits to a ME degree but diferential calculus convinced me...

In house facility install by me last week. This was my first new install this size; majority of my experience has been band aiding old equipment, mostly reach in food & beverage boxes.

I'm paid...

New install of evaporator and condenser in an old walk in.
Air cooled condenser directly on top of walk in, line set maybe a total of six feet. 9000 btu Copeland hermetic recip with Heatcraft...

Not ideal, but if you can't find anything else, the Supco URCO series fractional HP universal start components that come with start capacitors are on the shelf here.

Same here with the "specialists".
Tell me what's important this week.
Treat them with respect, don't get defensive and address what you can while they are there and its all good.
Occasionally I...

Love Allpoints Not as user friendly website as either PartsTown or Heritage if you like to look up your own parts, but their support staff has been great with looking up parts and sourcing if they...

Well sure, now that I'm ready to turn out the lights as the 5am alarm is harsh enough..... now you have piqued my interest with an unknown term.... "air cooled with water assist".

Challenge...

Chillers are run year round and I'm told have redundacy and ample capacity.

Ambient in the attic above the walk in will vary greatly as this is in a production kitchen with three 120 gallon steam...

Yeah kind of answered my own question there, but since there is no when else left around here to bounce my crazy ideas off of just to shoot me down....

On a more practical question... we have...

Facility has nine Trenton air cooled condenser units on ground floor, serving three WIF and six WIC located on first thru 4th floors.

Is it possible (or just another brain fart of mine) for...

Stop by a new storefront on my way home. Owner had three display cases. "Display Concepts" model CCGAR that he wants my opinion on. Glass front displays, laminated plywood cabinets used for candy and...

Beverages and bar mixers, fruit only.
The only food will be pretrayed items on rolling speed racks that are brought from the main kitchen before an event and holding backup prepared food during an...

No events on the horizon for this calendar year.
Getting quotes on new matched condenser and evaporators that will handle the entire box and putting in the capital expense budget for 2021.
Thanks...

Interesting solution if I could squeeze capital for a second evap.

The cooler section evap is corroded. No hope for it, or its compressor.

Unit has been working for four+ years with that ancient Tecumseh freezer condensing unit and the 48" freezer door wide open....

Condensing unit is outside.

No use for freezer capability.
Hoping to be able to continue using this evaporator to cool both sections. The freezer door is very wide. Very little traffic in and out even during event season with...

Looking first for information on the age of this evaporator Model LSP046BK Ser D08D06569
Unit appears to be in excellent condition..

This evaporator has been combined with an ancient Tecumseh ...

My bad.
Apologies.

Edited

Is that a one time adjustment or after the box is loaded and at normal operating temp does the CRO require another adjustment to meet RLA ?

Corrosion on the bulb has me thinking it was installed correctly BEFORE the insulation was replaced.

Solderweld has a product. Believe it has lower melting point than AL822, could be wrong, but have seen it demonstrated live using MAPP gas or very light touch of turbotorch.

Like the use of loggers and the low loss probes. That MQ app is great but takes some getting used to, like trying to figure out why some readings are "shaded" or not active.

Suction line temp best...

Check the specs on that logger. I have several AAB / CPS loggers that area great for refrigerators, but crap out at below zero F. temps

Grainy photo, but is that suction line insulation fairly new?

If it took five years of leakage to get to the point where performance was affected, it is a very small leak that may be very difficult to find if at all.
Have you ever put a bottle of long neck...

I hope this is not a pirate site and that Mr Wirz is getting his $ from this and that the 4th edition is coming soon.
Had the pleasure of meeting him at HVACR School event at Kalos's this past...

Had a time clock was energizing BOTH defrost and compressor. Back of the evaporator coil was clear, front of the coil was hard to see but inside of the front portion of the coil in many sections was...

Much like your home refrigerator, these are sealed systems with no access ports.

Thanks gents!

all the old Delfield prep tables we have are R22 and actual pressure rarely corresponds with the control display.

Typical restaurant, large bar, walk in freezers and refrigerators at my facility all ten to twenty years old.

Have found LLS inside the evaporator, above the walk ins in hot attics, as well as...

Following... from a different perspective..
Large facility, annually strapped on capitol budget for new equipment that we know would be more effecient/cost effective replacement in the long run, but...

For some reason my "Like this post" does not work, but that is exactly the same problem I just figured out.
Have the same crappy insulation issue but further complicated by an old thermostat in a...

I was impressed a couple of years ago by the Tempalert system that we were allowed to trial for a couple of months.

Company now called Smartsense
https://www.smartsense.co/about-us/contact-us
...

I first heard of Carl Geist here and found a couple different versions of his books (used and cheap) at Abes Books.
Sure a lot of the info is dated but cannot beat the basics presented in clear...