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Type: Posts; User: DeniV

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  1. Never seen them run out a window. But here in...

    Never seen them run out a window. But here in Montreal. Tenants can refuse to pay rent if heat is not working. They place the call but are never there cause if i fix it they will have to pay their...
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    Is it 25 srt and 35 suction temp or 25 superheat...

    Is it 25 srt and 35 suction temp or 25 superheat at the coil and 35 supeheat at the compressor. Sorry just wanna be sure . Whats your evap superheat is what im not clear on 10 or 25?
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    500

    Check that tranfo size is rated for the number of...

    Check that tranfo size is rated for the number of contactots and or relays plugged on it. See this often with old frankenstein units. Check that for any partially grounded wires ie. Touching...
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    189

    Emersson electronic expansion vavles?

    Just followed a training from emersson on these valves . It was more of sales conference. But hey he sold me. Was wondering if you guys have worked with them and what the pros and cons are.
    ...
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    714

    Lol they have them on the discharges of each comp.

    Lol they have them on the discharges of each comp.
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    714

    And instead of refrigeration i mean ac. I think i...

    And instead of refrigeration i mean ac. I think i should stop now. Wow epic fail. Lol
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    714

    Sorry i meant this one.

    Sorry i meant this one.
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    714

    Tandem comp circuit in basic refrigeration RTU...

    Tandem comp circuit in basic refrigeration RTU have check valves. I'm just being a d@#k.:p
  9. Thread: subcooling

    by DeniV
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    3,294

    http://www.achrnews.com/articles/subcooling-is-the...

    http://www.achrnews.com/articles/subcooling-is-the-missing-piece-of-the-puzzle


    Should sum it all up for you.
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    433

    " around the LLS via a bypass check valve and...

    " around the LLS via a bypass check valve and into the liquid line header. " this is the conflict. There is no bypass on that section of pipeing in the rack house. Unless the LLS works as a check...
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    433

    Parallel Pack .liquid return on defrost?

    Got a speedy walk through on a phoenix parallel pack today. I probably should have taken a picture of the pipeing shcematic . Will do soon. Was just wondering how the hot gas wich i would assume...
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    Used to work for a rental outfit. Every season we...

    Used to work for a rental outfit. Every season we used get machines ready at the shop before renting them sometimes to same customers for movie sets ect..... in one case we wanted more speed for a...
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    Go two that flew out in time then the ones in the...

    Go two that flew out in time then the ones in the picture got pinned by their own comb.( let the burner run a few second ). The other two came back pissed. Sqated them with my note book.
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    There ok as long as you dont mess with them.

    There ok as long as you dont mess with them.
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    15
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    702

    Heating season is underway in Montreal. Fireing...

    Heating season is underway in Montreal. Fireing up a rtu burner keeping a close eye at the exhaust and BAM . Had to take a pic.
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    702

    Honey bee wafles anyone?

    512881
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    3,152

    Often enough these type of customers wont do it...

    Often enough these type of customers wont do it till its broken.
    I start by telling them that x thing is starting to go and that he should keep in mind that it will soon be replaced. Then bring it...
  18. Big deal. They join a few threads they can judge...

    Big deal. They join a few threads they can judge for them selves.
  19. This guy has defective reversing valve. Farts are...

    This guy has defective reversing valve. Farts are coming out the wrong end. I singed up to hvac talk when i was in trade school. At first i too found the guys on here alittle rough but now i...
  20. While still fairly green in comparisson to most...

    While still fairly green in comparisson to most of you boys here. When having been called by other newbees like myself for advice. I ask them to get back to me with all the information. 2 out3 times...
  21. Here is one your gonna hear more often if you...

    Here is one your gonna hear more often if you keep posting like this. Give these boys everything you got in front of you. Unit name plate info. Superheat. Subcooling. Ambient air. Return and supply...
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    Hey . Just wanna wish you luck on everything....

    Hey . Just wanna wish you luck on everything. Fairly new myself. Almost 4 yrs. That curve ball your teacher threw you is good. Cause you will have to adapt to some pretty out of the box situations...
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    An easy way to check if negative pressure is your...

    An easy way to check if negative pressure is your real problem. Like previouse post marked. Paper test on filters. Then open an outside door near the kitchen . Iassume there is one if not any door to...
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    Sorry for delay. The mech went back changed the...

    Sorry for delay. The mech went back changed the compressor again and the expansion valve. Seems everthing runs great . Must of been a faulty compressor. Thx for your repleis. You guys are awesome.
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    Replacement compressor seizes 20 min in.

    Hi Im a 3rd year apprentice. Just started in anew company so I have to tag along with some mechanics. Just changed a comp on a lenox rooftop. Old compressor was running but no press diff on the in...
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    3
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    549

    Replacement compressor seizes 20 min in.

    Hi Im a 3rd year apprentice. Just started in anew company so I have to tag along with some mechanics. Just changed a comp on a lenox rooftop. Old compressor was running but no press diff on the in...
  27. Thx for the the replies. I have insurance but am...

    Thx for the the replies. I have insurance but am still not one who likes to botch a job. Pushed him to swap for a bigger SEER and electric furnace. Existing heat pump is dated and electric heat is...
  28. Minimum space requierement of indoor coil over furnace.

    Hi I'm a second year apprentice who works primarilly on comercial rooftops and industrial chillers. I've recently started taking on some residential calls on the side and am curiouse on certain do...
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    HELLO FROM MONTREAL

    Hi!
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    I was just wondering how you managed to get low...

    I was just wondering how you managed to get low pres ? And if you do have gauges whats your high pres?
    I will give you props for already figuering out so much on your own. And theres no point in...
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