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Type: Posts; User: icy78

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    That's no fun Terry! Getting New tools IS...

    That's no fun Terry!
    Getting New tools IS fun![emoji846]

    Sent from my SM-G950U using Tapatalk
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    When it shuts off is it also shutting some type...

    When it shuts off is it also shutting some type of solenoid on the glycol or Water.... whatever is in the floor, and is that what's causing a noise?

    Sent from my SM-G950U using Tapatalk
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    What is the application? What Chiller is it? It's...

    What is the application? What Chiller is it? It's possible that there are numerous settings to change.
    And as pecmsg said, it may be operating far outside its design.

    Sent from my SM-G950U using...
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    Give it a few years PHM. There will be a list...

    Give it a few years PHM. There will be a list like that for Trump. (like there is for every president).

    They all have to play the same game , they all have to bow to the same lords ,and some of...
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    Turns out it's not quite linear. But very close....

    Turns out it's not quite linear. But very close. Using slip percentage of motor. About 2.2% for 1800rpm motor with 1760rpm label.
    40 ÷ 1800 =2.2%
    30 hz =50% of 60hz =1760÷2=880
    880- 2.2%=861

    So...
  6. Thread: Fun

    by icy78
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    If your customers are artists, they probably have...

    If your customers are artists, they probably have shows around your furnace and hydronic work!
    It's a beautiful thing!

    Sent from my SM-G950U using Tapatalk
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    Ah interesting. Can you explain? It's not...

    Ah interesting. Can you explain?
    It's not linear, or is it?
    30hz is ˝ rpm of 60?

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    Bluetooth tach with a homemade bracket . clamp...

    Bluetooth tach with a homemade bracket .
    clamp it on close the door take your reading.

    Sent from my SM-G950U using Tapatalk
  9. Thread: Mixing of oils.

    by icy78
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    Just did an 06E from 22 to 407C. Carlisle wants ...

    Just did an 06E from 22 to 407C.
    Carlisle wants 30% POE.
    RTU 50ton. Theres only mineral oil in there right now. Returning like a champ. But, I disabled it now till next spring. Want to watch it...
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    Hmmm. Good point. But if the unit stages the...

    Hmmm. Good point.

    But if the unit stages the compressors/unloaded to meet supply air STPT too aggressively...itll still be too low cfm.

    Dont know if its done in Carrier algorithm or BAS .
    ...
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    Yes, I calibrated the static sensor but ended up...

    Yes, I calibrated the static sensor but ended up with a new one. It at least worked, but still off by 0.4".
    Found in config that someone selected 0-3 " sensor range. But these are 0-5". Changed that...
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    Thanks pagey! I mis-remembered...

    Thanks pagey!
    I mis-remembered again[emoji53][emoji846]

    Sent from my SM-G950U using Tapatalk
  13. Thread: Simple 80%er

    by icy78
    Replies
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    975

    What draft did you measure? What were the...

    What draft did you measure?
    What were the combustion numbers?
    Sent from my SM-G950U using Tapatalk
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    Googler.....flexible poolroom/natatorium ducting...

    Googler.....flexible poolroom/natatorium ducting

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  15. Thread: Simple 80%er

    by icy78
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    Looks good. I'm wondering if there may be some...

    Looks good. I'm wondering if there may be some draft issues there tho.

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  16. Thread: -20 f freezer

    by icy78
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    Probably need 5" walls? You could add a layer of...

    Probably need 5" walls?
    You could add a layer of well sealed blueboard maybe.
    Other than that you just need to pick a condensing unit to match your load at -30 SST.
    It'll need an oil seperator.
    ...
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    I guess I didn't explain it right. I was checking...

    I guess I didn't explain it right. I was checking the calibration of the static pressure sensor and I found that it was reading anywhere from 1.6 to 2 in of static . Whereas my probe with two...
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    Wayne, while you're on here, I think you said on...

    Wayne, while you're on here, I think you said on another thread that even if a motor is outside of the heated or cooled space, (say it has a long shaft and is driving a fan inside the box) , that...
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    He he, good catch! Sent from my SM-G950U using...

    He he, good catch!

    Sent from my SM-G950U using Tapatalk
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    At the end of an hour the motor will have...

    At the end of an hour the motor will have absorbed a lot of the heat that the light bulb would have given up freely. So it would take considerably longer for the motor heat to dissipate out into the...
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    All the answers given all point to the same...

    All the answers given all point to the same thing. Nuclrchillers answer puts it in a nutshell but basically energy in equals energy out.
    So 1000 watts into a metal halide bulb is equal to 1000...
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    Can unload to 16%, (out of 2 pumps) The VAVs...

    Can unload to 16%, (out of 2 pumps)

    The VAVs have hydronic reheat coils.

    You know, by fixing the SP sensor, (only 20ft from the unit)
    I'll create another problem. Theres a 10" box feeding 5...
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    Yes they subcool. 72 cool and 68 heat. If a box...

    Yes they subcool. 72 cool and 68 heat. If a box satisfy, the damper drives to an unknown minimum, and continues to dump 53-60f air in the space. Controlled from return air and number of calls,...
  24. Thread: Rollout limit

    by icy78
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    I've got a couple suggestions but it cant be in...

    I've got a couple suggestions but it cant be in this forum. Can you post in the pro forums?

    Sent from my SM-G950U using Tapatalk
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    I probably should not Venture into this stuff but...

    I probably should not Venture into this stuff but I'm going to anyhow LOL. I guess my first thought is that the temperature of the metal halide bulb is much higher than the temperature of the motor...
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    I'm going out on a limb here a bit and thinking...

    I'm going out on a limb here a bit and thinking out loud.[emoji846]

    I'm betting that the condensation you see is due to insufficient draft and too-cool flue gases. (Drafthood)
    Installation of the...
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    Good post! I forgot about that "off-cycle"...

    Good post! I forgot about that "off-cycle" dilution air from the other appliance!

    Sent from my SM-G950U using Tapatalk
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    So today, I performed a DT on the return duct,...

    So today, I performed a DT on the return duct, just before the unit.
    VAVs (per BAS) added to 10,270. I measured around 11000.
    Kind of a rough measurement but took it twice. That's close enough to...
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    @Wayne "Not being critical but traverse of the...

    @Wayne

    "Not being critical but traverse of the duct is by far the most accurate way to know for sure what the airflow is."

    Yepper [emoji106]

    Sent from my SM-G950U using Tapatalk
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    IFC ... internal flow check. That check may be...

    IFC ... internal flow check.
    That check may be sticking. Prove power first. If power , and has amps, but no flow, then pull pump and remove IFC. Then recheck. Pun intended[emoji846]

    Sent from my...
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    Unit cooling cfm min is 6000. Vav min is around...

    Unit cooling cfm min is 6000.
    Vav min is around 7000.
    Max is 11,500.
    Rpm was 805.
    I'll report back when I get a velgrid or at least hotwire velocity reading.
    I dont really need to be super...
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    Thanks Wayne. Sent from my SM-G950U using...

    Thanks Wayne.

    Sent from my SM-G950U using Tapatalk
  33. Just wondering, if that's a high-pressure feed...

    Just wondering, if that's a high-pressure feed and then stepfown regulators at each unit, those Regulators are probably vented outside. You could go to each one of those Vents and check also. If...
  34. OP said the gas co. plugged the meter...

    OP said the gas co. plugged the meter unfortunately.

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    That's an interesting question @heatingman. Where...

    That's an interesting question @heatingman. Where is this going?

    Sent from my SM-G950U using Tapatalk
  36. Inject air (cheaper) and r22 at normal gasline...

    Inject air (cheaper) and r22 at normal gasline pressure.
    Go to each heater flue outlet with a sniffer. If it's a leaking gas valve , that may isolate it for you.
    Youd have to verify that main...
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    Possibly at the return, on the roof. I'd have...

    Possibly at the return, on the roof. I'd have only about 8' of straight duct . The holes would have to be about 1 foot from the unit to get that 8ft length.
    I wondered if I got inside the unit, ...
  38. Thread: Manitowoc ?

    by icy78
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    643

    You should scatter the question marks throughout...

    You should scatter the question marks throughout the post, rather than stick them all at the end. It breaks up the long sentence. [emoji846]

    Sent from my SM-G950U using Tapatalk
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    45 PSI bladder pressure would be enough for 104...

    45 PSI bladder pressure would be enough for 104 feet . You need about 12 feet for insurance up there that you're filling the pipe so that gives you 92 feet. Which would give you what, about 12 ft per...
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    Balancers...how would you go at this?

    Per the pic, quarter inch static at the fan, 2.6 in static at the short drop static pressure setpoint is 2 that's pretty close to reading that at the probe. The that per the controls guy but I...
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    As I recall, the manual lays it out pretty well...

    As I recall, the manual lays it out pretty well for code 6 or 4 or whatever. Also Dectron tech support is only a phone call away believe it or not. Response time from them has always been under an...
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    As a Browns fan I would have to say boooooo. But...

    As a Browns fan I would have to say boooooo. But yeah, he's playing pretty well.[emoji846]

    Sent from my SM-G950U using Tapatalk
  43. Like Steve said, probably a really good idea to...

    Like Steve said, probably a really good idea to get that first guy back. Then post pics of the install pics of the chimney and termination and pics of his test points and while you're at it a pic of...
  44. X2. Your hearing gas go thru the txv, not liquid...

    X2.
    Your hearing gas go thru the txv, not liquid changing state.
    To be sure of this, close the king valve. Then open it and watch for liquid filling the glass. Or not.

    Sent from my SM-G950U...
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    Hahaha! Great line![emoji106] Sent from my...

    Hahaha! Great line![emoji106]


    Sent from my SM-G950U using Tapatalk
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    Maybe there's an issue with the hallway air and...

    Maybe there's an issue with the hallway air and not the OR air.
    Maybe there's an issue with the hallway air AND the OR air.

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    You guys probably use Dial thermometers and U...

    You guys probably use Dial thermometers and U tube manometers!
    What scale do you have? Beam type?[emoji2][emoji2]

    Just kidding, couldnt resist.[emoji846]

    Sent from my SM-G950U using Tapatalk
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    @heatingman @Nytefog What do you guys work on...

    @heatingman
    @Nytefog

    What do you guys work on where you use those analyzers?

    Esp with the extra 30' of hose.

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    It came down 1000$ in the last 2 hours! I didnt...

    It came down 1000$ in the last 2 hours!
    I didnt know that brand so looked it up. That's the first price that popped up.
    Way inflated?

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    Wow! A mere 8k$[emoji846] Sent from my...

    Wow! A mere 8k$[emoji846]

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