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Type: Posts; User: servman

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    Airflow Computer Room Unit

    I have an old Airflow unit from 1996 that has a Dataguard 4.0 microprocessor on it. Have not seen a Airflow unit in years. Looking to see if anyone knows or remembers the passcodes? I used to use the...
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    06ET Compressor Pumps out the oil

    Got a 06ET299360 in a Carrier 38AKS044---500 that I ran a call for the compressor going off on loss of oil. The AHU is built up so not a Carrier. There was no oil level in the compressor sight glass....
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    The company I work for is doing similar job right...

    The company I work for is doing similar job right now. It is a data center with 20 year old Carrier RTU's. They wanted to replace their aging equipment and reduce the risk of water leaks/condensate...
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    I do not think Dakin will be going out of...

    I do not think Dakin will be going out of business anytime soon. They are the 2nd biggest manf of HVAC equipment, only outdone by Carrier. They were huge in Europe, Asia, and Australia etc. then not...
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    In my area, distributors are already getting away...

    In my area, distributors are already getting away from stocking/selling R22 equipment. Have been since before the beginning of summer. According to the EPA's clean air act, after Jan 1, 2010, R22...
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    The "A" circuit only has one compressor. When I...

    The "A" circuit only has one compressor. When I had all the heads off I looked at all of the plates very carefully and the all looked good. Pushed on the pistons to see if they would move freely but...
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    Was getting ready to head out to the site Monday...

    Was getting ready to head out to the site Monday mid-morning (had to switch out my cell phone, company changed cell phone carriers) to do some more investigating of the compressor and called the...
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    I am looking for any help I can get at this...

    I am looking for any help I can get at this point. I was failing on oil when the relief was opening. But I already replaced the relief and have a new problem. Running the low head and high suction,...
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    It is suction cut off and only one head unloads....

    It is suction cut off and only one head unloads. I have thought about unwiring the solenoid valve to see if it would stay running loaded all the time. The new problem has only arose since I replaced...
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    06ET265-360 Problem

    Hoping someone here can help me or give me a direction to go in or what to look at cause I am stumped.

    The 06ET is compressor is the A1 on a Carrier model # 30GT050 air cooled chiller. I am the...
  11. Thread: GLYCOL FEDEER

    by servman
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    I think I can help you, I am always dealing with...

    I think I can help you, I am always dealing with raising low concentrations and having to figure out how much pure to add to get the concentration to where it is supposed to be. Is your current loop...
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    Plumbers Pipefitters And Steamfitter's Local...

    Plumbers Pipefitters And Steamfitter's Local Union 719
    2502 S Andrews Ave, Fort Lauderdale, FL 33316-3964
    (954) 522-2532

    Plumbers & Steamfitters Local Union 366
    2300 West Nine Mile Road...
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    I was trying more to see if someone could come up...

    I was trying more to see if someone could come up with a good reason or knew why engineers spec expansion tanks to be at the highest point in the system. I have seen this on more then one set of...
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    An old Carrier air cooled chiller, 30 ton

    An old Carrier air cooled chiller, 30 ton
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    Proper Expansion Tank Placement

    I have a question I am hoping those of you with vast more knowledge then myself can help with. I was having a discussion with my boss about the proper location of an expansion tank in a glycol...
  16. Yeah, the unit I need one for is a small 1 1/2...

    Yeah, the unit I need one for is a small 1 1/2 ton water source heat pump for a conference room.




    Thanks for the info. I talked to Metrex yesterday and they gave me the info on one they make...
  17. Dual Acting Head Pressure Water Regulating Valves

    I know I have seen head pressure water regualting valves on small water source heat pumps that modulate water flow thru the water coil to maintain head pressure during cooliing operation and when in...
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    Honestly I am not sure. The company I work for...

    Honestly I am not sure. The company I work for was putting in a 36 RTU's (can not remember the size now but they were big, had 50hp blower motors) and they had MircoTech II controllers in them (had...
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    Call McQuay at 763-553-5462 and ask for their...

    Call McQuay at 763-553-5462 and ask for their technical support department. Better yet I would ask to talk to Paul Hollingsworth.
  20. Thread: Unified Group

    by servman
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    839

    The company I work for belongs to the Unified...

    The company I work for belongs to the Unified Group. I have attended several of their seminars over the last two years. What did you want to know about them?
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    There are really only two ways to charge an a/c...

    There are really only two ways to charge an a/c system thru the high side. First is if you have pulled a unit into a vacuum because of a repair or new install or something. If the unit is in a...
  22. Thread: GPS ??

    by servman
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    Alot of companies in my area already have them. I...

    Alot of companies in my area already have them. I have heard good and bad about it. I have mixed emotions about it myself. The VP of the company came to me and asked me to price up systems. I can see...
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    Try renting a electric stair climber. Looks like...

    Try renting a electric stair climber. Looks like a hand truck but it climbs the stairs with minimal effort using an electric slider mounted on the back of it to lift the load to the next step instead...
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    Trying to figure out why I came out of the field...

    Trying to figure out why I came out of the field to be the service manager. Still have not figured it out.
  25. Thread: UA Star

    by servman
    Replies
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    This was suppose to be a replay to another post...

    This was suppose to be a replay to another post where a guy asked if you were allowed to take anything in when you take the test but I hit new topic by mistake. Not all my guys passed on the first...
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