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  1. Replies
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    I'm interested in hearing what is found, as was...

    I'm interested in hearing what is found, as was stated outdoor fan should be off during defrost and you should hear a woosh sound at the point that it goes into defrost. Keep us posted.
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    I wasn't around back then but when I was an...

    I wasn't around back then but when I was an apprentice one of our journeyman tests was crane signals. Our hall has a working model crane about 4'high with hand cranks and using signals given by the...
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    DeltaT my post wasn't meant as an insult. I have...

    DeltaT my post wasn't meant as an insult. I have been around guys that do just that, and confuse the operator with there own brand of signaling so that's what I thought. And yes it is ridiculous if...
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    would you please stop taking pictures and call...

    would you please stop taking pictures and call someone to change the motor before anything else is damaged. Sorry but you need to have someone on site look at it. It cannot be tested from here and...
  5. Putting a cap which is ventilated trade name...

    Putting a cap which is ventilated trade name Japcap might help. You didn't indicate what's currently outside on the end of the intake pipe.
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    Us telling an operator what our signals are is...

    Us telling an operator what our signals are is ridiculous. There is a set of standard universal signals that are used. Walkie talkies are not out of the question either but you still need to know the...
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    X2

    X2
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    I like to start pressure tests at 25 to 50 psi...

    I like to start pressure tests at 25 to 50 psi then soap all joints. At 250 t0 350 the soap can be pushed away from the leak. If no leak is found or if leak was found and repaired then a system...
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    I hear you Joegas, I got a new wife and a dog and...

    I hear you Joegas, I got a new wife and a dog and I'm lovin' it, the dog I mean!:cheers:
  10. Replies
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    Absolutely, but she/he claimed it only slowed...

    Absolutely, but she/he claimed it only slowed down.:angel:
  11. Replies
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    1,114

    No it wouldn't be related. Out door fan should...

    No it wouldn't be related. Out door fan should run at full speed on a call for heat. As was mentioned fan maybe failing or a failing capacitor, either way it's coincidence not caused by the indoor...
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    Kaspersky blocking site

    My widows 7 computer and Kaspersky has been giving me alerts that this website is trying to download some Trojan to my computer. Threaded view is also blank and I can't get to more than one post. Any...
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    The ones that look like that one that are used on...

    The ones that look like that one that are used on Aaon equipment have 2 LED's. One for alarm which is green for normal and second LED is for the state of the control switch which is green after...
  14. A crack or small hole is a FAILED HEAT EXCHANGER....

    A crack or small hole is a FAILED HEAT EXCHANGER. None of us can tell you it's ok to patch it. We can tell you it's a failed part and needs to be replaced. Either the heat exchanger or the furnace....
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    It looks like the bypass damper is in the closed...

    It looks like the bypass damper is in the closed position. Little or no flow anyway. If they looked at the job why in the hell would they have sold you that type of humidifier in the first place or...
  16. I hade a similar issue years ago. Old standing...

    I hade a similar issue years ago. Old standing pilot furnace and hot water tank. If furnace and hot water tank fired gas pressure would go to almost nothing. Found Ice in the main at the meter. Gas...
  17. Replies
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    WOW, PHM you are quite the trend setter! Coming...

    WOW, PHM you are quite the trend setter! Coming from a guy that wanted to make a heat pump out of a window unit.:cheers:
  18. Replies
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    I can see that. Parallel boxes have a barometric...

    I can see that. Parallel boxes have a barometric damper at the box fan outlet, series do not so the fan could spin backwards. The ones I have seen anyway.
  19. Is there a return air grill in the alcove area?...

    Is there a return air grill in the alcove area? this would force air to flow into the area of the thermostat. Does the rest of the house overheat. Adding return in the area may help. Sealing the hole...
  20. Your pics didn't post but it sounds more like an...

    Your pics didn't post but it sounds more like an air distribution issue than anything else. does the rest of the house overheat while this alcove area is cold? Is there a return air grill in this...
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    Got It! thanks

    Got It! thanks
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    I don't agree with that at all. You could or will...

    I don't agree with that at all. You could or will pop the internal relief for no good reason. As everybody said "the oil isn't going anywhere and there could be spring damage but running it with...
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    I'm not familiar with that system but looked it...

    I'm not familiar with that system but looked it up on line and found the model that you posted. None of the install lit even shows outdoor temp sensor. Discharge air temp, zone sensors, and damper...
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    You baited us into this thread, what no...

    You baited us into this thread, what no knockers!:cheers:
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    What? no more Camaro! I remember when you got...

    What? no more Camaro! I remember when you got that. Sorry
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    SE = Sounds Expensive

    SE = Sounds Expensive
  27. Replies
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    I heard for 120 vac you are to stand in two...

    I heard for 120 vac you are to stand in two puddles of salt water barefooted while doing the thumb and forefinger. I'm just sayin.:whistle:
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    There are usually zones, that's why that system...

    There are usually zones, that's why that system is used. why not use 0-10 volt stats at each zone at least.
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    Yes that would be the one! I would demand what I...

    Yes that would be the one! I would demand what I paid for. As Bald L said the difference is larger than 100 bucks
  30. Some GEO systems that I have seen have a DHW...

    Some GEO systems that I have seen have a DHW (Domestic Hot Water) connection that heats water with discharge refrigerant hot gas. I think you need a buffer tank, (additional storage tank) and pump to...
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    Condensate results from dehumidification. What is...

    Condensate results from dehumidification. What is the question. If there is no condensate there is no moisture removed. Also typically reheat is required.
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    I doubt it's a prv connection. T&P or relief.

    I doubt it's a prv connection. T&P or relief.
  33. Replies
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    Looking at your logic shouldn't there by an AV-XX...

    Looking at your logic shouldn't there by an AV-XX at the transfers, all I see is numbers. Did you type AV when you set them up.
  34. Replies
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    I don't have an answer but I have seen this...

    I don't have an answer but I have seen this before but look at the av's in device properties. Is av 10 and 15 also 1 or is it the correct value. I have seen in visiologic the wrong value but the...
  35. Replies
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    What's a henny penny

    What's a henny penny
  36. Can an econo be added instead? More expensive but...

    Can an econo be added instead? More expensive but less energy used.
  37. Replies
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    The system is not as unconventional as you may...

    The system is not as unconventional as you may think. Many schools, hospitals etc use this application. I would suggest having an ME do some calculations for you. Primarily equipment sizing and pipe...
  38. Replies
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    Fans at 100% on a vav system in the middle of...

    Fans at 100% on a vav system in the middle of winter? This is kind of a red flag to me. Usually the supply fans are maxed out on the hottest days in the summer. I would check vav boxes to see what...
  39. Most window units do a similar thing. The...

    Most window units do a similar thing. The condensate runs back to the condenser section and a slinger on the fan throws it through the condenser. This is a way of getting rid of the condensate more...
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    Kele Handheld Portable Analog Signal Generator...

    Kele Handheld Portable Analog Signal Generator ASG


    Kele Handheld Portable Analog Signal Generator



    The Kele ASG analog signal generator is a handheld, battery-powered or plug-in...
  41. check water flow rate, apartment maint or service...

    check water flow rate, apartment maint or service contractor would need to do that
  42. Replies
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    Is the evap iced up? Does this have off cycle...

    Is the evap iced up? Does this have off cycle defrost? Fan(s) running ok. What type refrigerant?
  43. it could be the riser to all floors going up...

    it could be the riser to all floors going up through your apartment wall to feed other floors. Would not make any difference if you zone valve is open or closed. Water flow may be to high.
  44. Replies
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    Just yesterday a call from a food processing...

    Just yesterday a call from a food processing plant. "The dock is hot" we need emergency service. Drive over an hour, they take me to the equipment, it's heat and vent only.
  45. Replies
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    www.tranehk.com/eng_news/vol42_2.pdf[URL="www.tran...

    www.tranehk.com/eng_news/vol42_2.pdf[URL="www.tranehk.com/eng_news/vol42_2.pdf"]
    here is a link to single zone vav. This is probably why they want to add supply fan drives. Duct static sensing is...
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    Single zone vav has become common practice in my...

    Single zone vav has become common practice in my neck of the woods. Similar to Chuz's suggestion but a few modifications. Only works properly with modulating cooling (digital scroll or chilled...
  47. Thread: King valve

    by ckartson
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    3,256

    There is no hating here. I like this site also. I...

    There is no hating here. I like this site also. I do vent sometimes and it might come out wrong but it's all good.
  48. Thread: King valve

    by ckartson
    Replies
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    3,256

    I don't freak when a customer calls their...

    I don't freak when a customer calls their equipment or components by the wrong names, I expect it. They don't know and are not professionals in our industry. But when we call refrigerant Freon and...
  49. Thread: AC question

    by ckartson
    Replies
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    1,777

    Did this system work properly before the...

    Did this system work properly before the compressor change. Seems to me you inherited some one else's mis application or sizing issue. As was mentioned are exhaust fans and makeup air up to speed?
  50. Thread: King valve

    by ckartson
    Replies
    55
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    3,256

    The term is used very loosely any more. King...

    The term is used very loosely any more. King valve was the valve that is mounted on the outlet of a receiver. Otherwise you had a liquid line shutoff valve or a suction line shutoff valve. Now it...
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