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Type: Posts; User: icecoldtech

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    Incubator calibrations

    can anyone recommend a good co2 calibrator or multigas calibrator for calibrating O2 / CO2 in incubators?
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    color charts at different elevations and...

    color charts at different elevations and different sizes:
    http://www.coolerado.com/tech-info/psychometric-charts/
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    You could add aux contacts to the contactor and...

    You could add aux contacts to the contactor and run the heater circuit through the aux contacts. This would ensure that com and heat can not trun at the same time. However, if it is cycling too...
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    I was not a fan of the VG-64. I personally use an...

    I was not a fan of the VG-64. I personally use an Inficon Pilot. I love it. As for the one port or 2, I prefer 1. I use a 4 port manifold with a 3/8 hose going to pump. If Im doing a 2 point...
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    More than likely not, but customer supplied ref. ...

    More than likely not, but customer supplied ref. R-12 that he bought in the 80's did not have a valve that prevented refilling or backfilling due to pressure. Is it possible that it is not R-12? ...
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    Look into whether or not their local utility...

    Look into whether or not their local utility provider offers a discound for electric only heating. Here in philadelphia, for the 6 heating months, PECO offers approx 50% off of your electric rate...
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    I have seen a receiver without a king valve. I...

    I have seen a receiver without a king valve. I needed to replace the TXV, and was unable to pump the system down. Turned a simple job into recovering, repairing, installing valve, evacuating and...
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    I just did some work at a hospital in Philly. ...

    I just did some work at a hospital in Philly. Local alarms were wired to a 24/7 staffed PBX room where I installed alarm monitoring stations. Even if the alarm is silenced immediately, it is enough...
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    They were willing to have you put in a new...

    They were willing to have you put in a new compressor, but they can not appreciate the fact that you saved them a sh*tload of money. Honestly what is it going to cost in both time and materials to...
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    you can look at it like this: 0-9 = their...

    you can look at it like this:
    0-9 = their decimal representation
    a-f = 10 - 15

    in a hex number for example 6a, the conversion looks like this:
    6a = (6*16) + 10

    the reason this conversion...
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    478

    you can look at it like this: 0-9 = their...

    you can look at it like this:
    0-9 = their decimal representation
    a-f = 10 - 15

    in a hex number for example 6a, the conversion looks like this:
    6a = (6*16) + 10

    the reason this conversion...
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    714

    Sensaphone makes some nice alarms that can...

    Sensaphone makes some nice alarms that can monitor multiple zones and page / call you when temps go out of range. www.supco.com
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    Above formulas work assuming process is water. ...

    Above formulas work assuming process is water. If process contains glycol, dont forget to factor in specific heat and specific gravity. BTU = 500 Delta T * flow (gpm) * SH * SG
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    Don't hope it will work, know it will work. You...

    Don't hope it will work, know it will work. You know it will. As cheesy as it sounds, I am a firm believer that a positive mindset will get you where you need to be. You'll have no problems, but...
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    Call Sanyo rech support. If my memory serves me...

    Call Sanyo rech support. If my memory serves me correctly, when you add the ICM speed controller, there is a resistor that has to be cut off of the control board for the condensing unit that...
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    Loop is running water, it is using a tower...

    Loop is running water, it is using a tower economizer in the Philadelphia area (seeing temps as low as 12 deg F). According to email from building engineering, bypass is not set to happen until 45...
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    I am having the exact smae proplems as you, see...

    I am having the exact smae proplems as you, see post low tower water temp. I am working on a DX coil, but non the less, same end result because of lower temp tower water. You have an added benefit...
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    Thank you for rapid reply. it is a water...

    Thank you for rapid reply. it is a water regulating type vavlve, thats why I am concerned about the delta t for the conders water. I will push head pressure to 210 PSIG (approx 105 deg Cond). While I...
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    Low tower temp

    I am working on a Climate master water source heat pump (model GCH060BFC30CLSS). This is a small 5 ton installed in a small server room, so it never runs in heating mode. I have gotten service...
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