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actually many of them lately that do not have modular refrigeration, although it is a very handy way to do it... years ago i would repair and test ref decks and they would go our with drivers and...

So sad to hear this, been there for mos of my career, he will be missed such a knowledgeable helping hand!

UL gets the 1.56 from the NEC i believe,

Manufactures use the 1.4 as a Safety Factor!

Mike

I just smiled excited to see your name pop up again! Mr Schoen you are one of the people who has helped many myself included!
It's funny I never met Garth but quite a few i know have as he was a...

Are you thinking about fan cycling only or in conjunction with Condenser flooding regulators.

If yo are thinking about a ICM control that will change the speed of a single phase fan motor only you...

I was on a site last summer and it had a install book still on site so of course I copied it.... didnt take it... just copied it with CamScanner app lol... haha

I tried uploading it... not showing...

these are good old systems. very easy to convert to an enviroguard if there is a controller that can take it...

I had some parts j kept for these.. have a sight glass and eye somewhere too...
...

sporlan SC3 may work...

you may also check out the FullGauge lineup of controls from Brazil. they are cost effective and communicate but not sure if comm is modbus

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That will be good, the on/off strategy you may be speaking of could close to a modulation load not a capacity load, please post the results of your findings and if yo get approval to improve said...

I have not read the responses yet.... but i was always budget conscious and my first meter was a UEI (which still Have) and then got a DL289 and it has been great......

OK, Configuration ability is available in your Danfoss controller i would assume, perhaps in the configuration setup of the suction control PID, you should check out the existing controller setup to...

are you saying on one compressor you are using Compressor Capacities of 100%/66%/33% and on another compressor you are unloading all 3 heads so you are maintaining 100%/0% DCFM of compressor through...

I like It, i see how these HFO/HVC blends are pushing the envelope of the lower GWP!, and the fact that this blend de-classes the OG 1234yf A2L class to clear A1 cery is definitely a boost.......

what is there to Distribute with a Distributor? I only see one pass through the evap?

Lots less computer time as of late.... i still have to bounce i. Once and a while. Never had this site on mobile till now.

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Instructional Video!

:grin2:

standard hydraulic pipe bender should work

pretty sure the older one also uses the 150 # transducer, local sporlan shop can get it for you Part # 952572

Dongle and control are proprietary to Hillpxh (was built by sporlan though)

you...

I would like to give one of these a try, looks like this will be game for tbe Emerson EX valve..... but may be not be economical in small tonnage Applications that an EEV may be used !!

Some Units are Nice, Canadian Made?? about an hour drive from my place,

haha I have a xPepsi QBD,in my Garage for my Beers! There's another Canadian made Self contained Manufactures that makes...

one thing to keep in mind if you want to switch to TXV, you will probably need more condenser, you will be making your evap more efficient so that may require more condenser especially with a lot of...

Sporlan 10/10-10

Sporlan 10/10-9

Heatcraft Eng Manual

I dunno about you just judging the value of this cooler.....
Isee over head garage doors in the picture..... this makes me lead to this being a cooler at home and maybe the purpose of that cooler...

funny i just Googled WERA as i wasn't familiar with the name[pics of tools looked farmiliar] i looked at the contactpage and their north american head office is 5 minutes from my work haha

Arneg has a presence in North America, some of there stuff is built in Quebec Canada, some comes from Europe

ARNEG Website

neat

I have not used it yet but i have been impressed on the platform, the higher end unit in the commercial line is pretty sweet and allows for some advanced functions for such a small unit, the ability...

there's a few of them comming this way soon, from 2 QC mfgs, i' a little excited to see them in a nerdy way haha not sure if i'll see one of them or getthe chance but the other i will for sure!

Ya know I'm curious on the sizing of the those auxiliary units for gas cooling ive seen some with small tin can condensing unit and up to a 3D discus unit...... maybe they size based on reciever(s)...

depending if your controller is capable you can do the SPR setup with a couple solenoids and some programming, read up on the ENVIROGUARD III in the Tyler rack manual, its not that big of a section, ...

worst case scenerio power outage you shouldn't loose too much, as the system pressures rises to blow relief there is a large pressure drop and it cools itself in a way and relief should re seat, and...

use a second alarm relay and program combiners for "emergency" 24 hour monitoring, Case Temps/leak detectors etc, i mean who cares abour a single compressor proof at 2am, lol

Mike

Not too bad to work on,
secondary are almost maintenance free, they work well
cascade as well, pretty easy to handle
booster would be a bit more complicated

definatly need a new way of looking...

Thanks ice. I'll have to start on page one, my search key words didn't find it I only got this thread!!!

any one else have any experience with this stuff??

Mike

refresh

Would that be the same as one downtown Houston?

+1 i love those

http://hvac-talk.com/vbb/showthread.php?1582841-Toronto-Refrigeration-Mechanics-Apprentices-Supermarket-Refrig-Service-Positions&p=18555941#post18555941

hey got a line on some positions available for mechanics or apprentices with refrigeration exposure, Toronto Area

Primarily Supermarket Refrigeration with some HVAC service.

Search this website...

that's sound advise, actually you getthe skills then get the licence....
you need to do a lot of self teaching/reading/learning, that worked for me!

Mike

What is some details of your previous hands on experiences in the trade?

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werer are you living, you find a job after?

I was starting to think for a minute there before you posted this haha!

Thanks Jim,

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My set of 550's are about 5 years old
I just realized that they do not have R-438a / MO99 in the memory

Do the newer sets have this. Refrigetant?

Is there a way to program in the chart for...

I'm still on the 404 Wagon for new equipment, but would rather see CO2 in new installs !
There is a well known company this way that has switched to 407a on new installs and I can only assume that...

Discharge temps still high?
Did you have to keep the demand cooling?

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Why would One choose R-407f over R-407a for low and medium temp refrigeration applications.

whats the "sell' of r407F?
is it less glide??
Is it the GWP rating?

Mike
,

If price is right than the Emerson would be a no brainer
Gonna check Em Out!

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