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  1. Replies
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    Thanks, actually its very stable. We mounted a 5"...

    Thanks, actually its very stable. We mounted a 5" caster wheel to the bottom of the tank so it has full support.
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    Our Latest Creation...FRANKENFILTER!

    I thought a few people might find this interesting.
    We have a group of customers with several open drive compressor racks between them and oil costs are becoming a concern.
    (between them there is...
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    The best bet is to consult a mechanical engineer....

    The best bet is to consult a mechanical engineer. If you dont know of one, the guys we use are also licensed in Alberta. For the roughly $1000.00 (just a guess based on previous jobs) that they...
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    If its easier for you, my email is in my profile....

    If its easier for you, my email is in my profile. Feel free to communicate by email as well. (I dont think we are allowed to put email addresses in posts)
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    The manufacturer specs 1 unit/3 welding stations...

    The manufacturer specs 1 unit/3 welding stations but in Manitoba we require 1500 cfm/welding station.
    Local code will supersede depending on where your located but if your requirements are similar...
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    What are you doing in the building? Is it a...

    What are you doing in the building? Is it a welding shop, manufacturing, etc. Any plasma cutting or other activities that produce smoke or contaminants?
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    There is no limitation to the shop size at all....

    There is no limitation to the shop size at all. We have had very good success with them with zero complaints or issues to date. The shop in these pictures is aproximately 60x90 if I remember right. ...
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    I have personally serviced houses on a reserve...

    I have personally serviced houses on a reserve west of winnipeg that are 1500 square feet plus on the main floor with fully finished basements and would be $300g homes in any community. I am also not...
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    I have seen lots of good ones too. But in...

    I have seen lots of good ones too. But in Manitoba for every good "native" there are 20 useless "indians". When you work on any of the reserves you see just how much they appreciate what...
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    You bet. We have been using UV dye in those...

    You bet. We have been using UV dye in those systems for a few years. It works great.
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    We added an external oil cooler to this system a...

    We added an external oil cooler to this system a couple weeks ago. Here are some pics.
    http://i117.photobucket.com/albums/o71/jlaffradi/Jamors%20Mycom%20Swap/IMG00368-20101102-1401.jpg...
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    Thanks, These units are all R-404A. I think the...

    Thanks, These units are all R-404A. I think the head cooling fans and oil coolers are standard equipment on the low temp Bohn equipment but im not 100% sure.
    We actually havent put in much for 22...
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    But why would a 45 be any more prone to failure...

    But why would a 45 be any more prone to failure than a 90? Interesting for sure. Just to be safe I will throw a couple extra pipe supports on tomorrow. Doesn't take a whole lot and its cheap...
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    The transducer that you can see is the suction...

    The transducer that you can see is the suction temperature sensor. They mount directly into the compressor on the Sabroes but there isnt any provision for that on the Mycoms. The pressure transducers...
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    I personally have never had a problem with 45's...

    I personally have never had a problem with 45's yet. I had someone bring that up once before and I was not able to find anything showing that 45's are any weaker than a 90 but if you know something...
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    We feel open drive is a better option in these...

    We feel open drive is a better option in these places because the compressors are fully rebuildable and there is also no chance of refrigerant contamination due to burnout. (Some of these systems...
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    Actually we had Rick Vandenberg from DOL do it...

    Actually we had Rick Vandenberg from DOL do it for us. We do a fair bit of control panels and usually get him to do them. Rick lives in Morden so it is pretty handy. Where are you from Frostie?
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    Thanks, the guys did an awesome job on this one...

    Thanks, the guys did an awesome job on this one and the customer was really impressed and happy. Anytime people from another colony come over he makes sure to show them lol
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    Finally Almost done. Just a tiny bit of...

    Finally Almost done. Just a tiny bit of electrical and final alignment to go.
    http://i117.photobucket.com/albums/o71/jlaffradi/Jamors%20Mycom%20Swap/IMG00299-20101005-1700.jpg...
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    That laser alignment tool is freakin awesome....

    That laser alignment tool is freakin awesome. Alignments that used to take me 5-6 hours now take less than an hour with tighter tolerances. We used to shoot for .004" misalignment or better and now...
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    Sabroe To Mycom Open Drive Swap

    This is the same system that we just installed a new 80 ton condenser on. (Another thread in this section)
    We are switching away from Sabroe compressors and moving to Mycom due to Sabroe parts...
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    I really like that trap idea. I will definitely...

    I really like that trap idea. I will definitely be changing the way I pipe oil traps from now on. I have a 60ton condenser going in next week so I will try it on that one.
    Like I said, we have piped...
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    Just like Supertek said, we are cutting the...

    Just like Supertek said, we are cutting the condenser in half in low ambient.
    We have 15 stages of unloading on the rack. Say we are down to temperature and they shut one shed down to wash product...
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    On a semi related note, we are starting to prep...

    On a semi related note, we are starting to prep these systems for changing over to HFC's from R-22.
    We started using POE oil 3 or 4 years ago in place of Alkylbenzene. I was originally going to...
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    Freebird I just reread your post, why would your...

    Freebird I just reread your post, why would your boss not allow 45's?? Also the part that is critical about pressure drop is that flow through each circuit is identical.
    Dowadudda which part dont...
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    It is piped that way to keep the pipe run in the...

    It is piped that way to keep the pipe run in the center of the pad because the customer wants to build a guard over the piping to protect it from falling ice off the roof in the winter. They get that...
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    It wouldnt be worth it because it really will...

    It wouldnt be worth it because it really will only be used once a year.
    Automating it would have just escalated the cost and added extra components that could fail.
    Yes there are pumpout lines on...
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    Yep you bet. This system will be a manual...

    Yep you bet. This system will be a manual changeover. We have very high load in the fall and it tapers off to a fairly low load once the pile is down to temp. The condenser would be very oversized in...
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    Thanks, The doors are heated as well as the...

    Thanks, The doors are heated as well as the frames, that wire you see is the power cord for the door. We are installing cord reels on the wall to keep the cords in check as the doors are opened and...
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    Haha I think we got it from 85 to 75. (it was on...

    Haha I think we got it from 85 to 75. (it was on the dash lol)
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    We are using an SKF. Here is a link to the manual...

    We are using an SKF. Here is a link to the manual for it.
    http://www.andibj.com/CoMo%20Basic/Manual/Manual%20TMEA%202-EN.pdf
    The one thing I would definitely suggest is getting a unit that has a...
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    Thanks, yeah that system is running very well. We...

    Thanks, yeah that system is running very well. We tested the split system a few times just by ramping down the compressors to simulate low load and all was good. draining down one side dropped our...
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    This system is a manual changeover. When we...

    This system is a manual changeover. When we decide it is cold enough outside and the load is low enough for the year we will go close one discharge and liquid valve and open the draindown for that...
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    Freezer Door Retrofits

    We just finished 2 14 hour days retrofitting these doors for one of our customers. The old doors were too low to allow them to replace their old forklift as they were having trouble finding a unit...
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    Sure. When you do a condenser split, (isolating...

    Sure.
    When you do a condenser split, (isolating half the condenser to reduce condenser capacity in low ambient), you want to drain the isolated condenser section of refrigerant mainly to reduce the...
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    All done and running. Here is the termination of...

    All done and running.
    Here is the termination of the drain down txv. It can serve a dual purpose :P...
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    ]

    ]
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    We deal with Matt in BC. Zero complaints with...

    We deal with Matt in BC. Zero complaints with those guys, would recommend them to anyone.
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    I like big boxes :P

    I like big boxes :P
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    Finished the outside piping today. All that is...

    Finished the outside piping today. All that is left is the draindown TXV to tie in next week and a little finishing work on the brackets....
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    These roll out decks can also be put into a van...

    These roll out decks can also be put into a van quite easily.
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    o-k the truck is a disaster tonight because we...

    o-k the truck is a disaster tonight because we cleaned up a jobsite and werent going to clean the truck out till the morning lol.
    The rims are aftermarket, they are 20" Boss wheels with 33" Goodyear...
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    Sure, gimmie 5-10 minutes I will go snap a couple...

    Sure, gimmie 5-10 minutes I will go snap a couple pics.
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    Yep that is my work truck, just havent gotten...

    Yep that is my work truck, just havent gotten around to decalling it yet. Its 2009 Sierra SLT full load. I have a roll out deck in the back so I dont have to crawl in the back for anything at all and...
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    lol, Sabroe is manufactured in Denmark. They were...

    lol, Sabroe is manufactured in Denmark. They were bought by York a few years back and then Johnson Controls. I thought that may be a good thing but unfortunately the parts still come from Denmark and...
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    They are Sabroes. 2- CMO26's and 1 CMO24. We are...

    They are Sabroes. 2- CMO26's and 1 CMO24. We are actually in the process of ripping the Sabroes out and putting in Mycoms. The Sabroe parts pricing has just gotten way out of hand. If you saw some of...
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    Couple pics of the rack....

    Couple pics of the rack.
    http://i117.photobucket.com/albums/o71/jlaffradi/Jamor%20Condenser%20Swap/IMG00117-20100805-1558.jpg
    ...
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    Like I said, the pressure drop issue is so...

    Like I said, the pressure drop issue is so critical that even though we only need to shut one side down to do the split, you must put the exact same valving on both sides. A pressure drop of even 2...
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    Yeah its a really good file. I started browsing...

    Yeah its a really good file. I started browsing through it a bit last night. Like I said I looked everywhere for a piping diagram for multi circuit condensers, split condensers etc etc and nothing....
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    http://www.htalk-ef.com/articles/DuPont%20Refriger...

    http://www.htalk-ef.com/articles/DuPont%20Refrigerant%20Piping%20Handbook.pdf
    Page #74 in that book shows it but doesnt talk about why.
    Thats actually a very good book that I have not seen before....
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