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  1. Replies
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    This portion of your training although tedious...

    This portion of your training although tedious and frustrating for many is the most crucial. Give it your full attention . You will be glad you did.
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    I guess the millesecond delay from relay to motor...

    I guess the millesecond delay from relay to motor is enough. Still would have done it dif.
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    From what i gather the relay is useless. But what...

    From what i gather the relay is useless. But what the heck. Usually we dont want a toggle switch taking motor amps on start .hence the relay. But not the case here. A 24v circuit with a second...
  4. Thread: Icm bypass timer

    by DeniV
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    1,224

    Scrap what i said. I had put a relay as a load....

    Scrap what i said. I had put a relay as a load. Just looked through my galerie on my phone. Still good to know for futur.
  5. Thread: Icm bypass timer

    by DeniV
    Replies
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    1,224

    Could have been another brand got one in the...

    Could have been another brand got one in the truck will check later.
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    Residential duct sizing

    Hi . Was wondering if anyone can reccomend a good duct sizing tool.
    Also a good load calculator for system sizing. Wanna do a good job on this one and wanted something more precise than intuition...
  7. Thread: Icm bypass timer

    by DeniV
    Replies
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    1,224

    Great thread. Didnt know timer needed min load ....

    Great thread. Didnt know timer needed min load . I put one in on another type of module worked fine. Guess i was lucky.
  8. Thread: Rip off artists.

    by DeniV
    Replies
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    908

    They had his credit card info pre hand charged...

    They had his credit card info pre hand charged him on the spot.
    Listen.. i get not being able ti figure it out. It happens. The company i work for has 40 trucks on the road. Everyone with dif...
  9. Thread: Rip off artists.

    by DeniV
    Replies
    8
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    908

    Sorry for the typos having hard time with this...

    Sorry for the typos having hard time with this phone
  10. Thread: Rip off artists.

    by DeniV
    Replies
    8
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    908

    Burn mr yo hear this kinda stuff. Gives us all a...

    Burn mr yo hear this kinda stuff. Gives us all a bad name.
  11. Thread: Rip off artists.

    by DeniV
    Replies
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    908

    Rip off artists.

    Got a call refered from a friend. His neighboors heat was not working.
    We are currently going through a nice cold snap up here in Montreal Canada.
    -23C with wind -35C.
    Show up and find an old...
  12. Thread: Low Bid Ducting

    by DeniV
    Replies
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    2,773

    We used to crane them up often. We did also go...

    We used to crane them up often. We did also go back once a month and check up on unit. But leaving flex dangling was not acceotable. Plus the fkex we used was made specific fir outdoors double and...
  13. Thread: Low Bid Ducting

    by DeniV
    Replies
    41
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    2,773

    Whole setup that is.

    Whole setup that is.
  14. Thread: Low Bid Ducting

    by DeniV
    Replies
    41
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    2,773

    I appoligize man. I wad under the empression that...

    I appoligize man. I wad under the empression that the whole wad temporary and that they ended up keepin it for a year. My bad.
  15. Thread: Low Bid Ducting

    by DeniV
    Replies
    41
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    2,773

    Yes i did. Where are you going with this?

    Yes i did. Where are you going with this?
  16. Thread: Low Bid Ducting

    by DeniV
    Replies
    41
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    2,773

    Did a lot of installs like that with previous...

    Did a lot of installs like that with previous employer. There is a whole industrie of temporary rental coolling from 1 ton portables to 400 ton chillers. Its not ment to be permanent. Ofcourse some...
  17. A small fraction of what is charged on the hr...

    A small fraction of what is charged on the hr rate goes back to them
  18. I m sorry that wasnt my intention.

    I m sorry that wasnt my intention.
  19. ATTENTION ALL EQUIPEMENT OWNERS SEEKING ADVICE.

    After a very recent situation up here in my hometown and manymore daily situations like it . I feel it very important to explain this VERY IMPORTANT MESSAGE.
    DO NOT ATTEMPT TO REPAIR YOUR EQUIPEMENT...
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    The 8 hours was my bad i was sure it would be...

    The 8 hours was my bad i was sure it would be enough. But this sucker didnt wanna shoe itself. Still did it in 8 but had to blitz the second half.
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    Thx. It sure took enough of it. No damage on fins...

    Thx. It sure took enough of it. No damage on fins or coil. Must of been from manufactuer and just slowly grew with time . Unit over 10 yrs old. I just brazed with 5% silver. It is a bandaid . sales...
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    I repaired it . Replacing coil will be not far...

    I repaired it . Replacing coil will be not far from replacing machine. Due poor accessability
  23. Replies
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    The art of leak detection.

    Had a water coolled heat pump in a suspended ceilling lose 2 of its 3 lb total charge over the course of a year. I know this cause a previous tech was there last year and not find the leak so he...
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    Once

    Once
  25. Replies
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    Added note. I would change the roll out. Those...

    Added note. I would change the roll out. Those things have a tendancy to trip for nothing after having tripped ounce.
  26. Replies
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    Beautiful

    Beautiful
  27. 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...
  28. Replies
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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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    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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    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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    Lol they have them on the discharges of each comp.

    Lol they have them on the discharges of each comp.
  32. Replies
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    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
  33. Replies
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    Sorry i meant this one.

    Sorry i meant this one.
  34. Replies
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    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
  35. Thread: subcooling

    by DeniV
    Replies
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    3,699

    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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    " 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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    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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    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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    Honey bee wafles anyone?

    512881
  43. Replies
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    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...
  44. Big deal. They join a few threads they can judge...

    Big deal. They join a few threads they can judge for them selves.
  45. 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...
  46. 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...
  47. 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...
  48. Replies
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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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