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Stand alone 110 AC...anyone with experience?

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Stand alone 110 AC...anyone with experience?

Old 07-13-2015, 12:16 PM
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Question Stand alone 110 AC...anyone with experience?

We are in a commercial 8 story office building with cooling towers. We have a secured vault/server room that is HOT. I have tried to put more volume of AC in it but because of the way the system is designed it seems to leave me no choice but to add a stand alone 110 ac unit.

Question #1 is, do any of you know how to fix the problem the right way?

Question #2 is, do any of you have any experience with specific brands of stand alone AC units? Its starting to get affect the speed of two big machines so I need to do something.
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Old 07-13-2015, 12:22 PM
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Tough call without a complete diagram of HVAC in the building. Standalone unit may compromise the security of the vault.
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Old 07-13-2015, 12:29 PM
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the problem is not only do you need cold air you need to remove the hot air. You need fans at the top to expel the hot air, and you should have your ac low and in front of the servers they suck air in the front heat out the back.
Google server rack air conditioning and you will see all kinds of options if I knew more about the vault I could point you in a more specific direction.
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Old 07-13-2015, 12:33 PM
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There are portable Water-Cooled AC units @ 110V
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Old 07-13-2015, 12:52 PM
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Is the vault fire proof as well? You may not be allowed to have electrical devices within the vault... if you need duct work from the outside it may need to have automated fire dampers - check with your insurance if thats the case.
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Old 07-13-2015, 01:08 PM
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Originally Posted by freedbaby View Post
Question #2 is, do any of you have any experience with specific brands of stand alone AC units? Its starting to get affect the speed of two big machines so I need to do something.
You want one that is "continuous duty" instead of one that will have to cycle on/off. Otherwise it just has to work twice as hard when it comes back on to reduce the CONSTANT heat.

The computers will put off constant heat... hence the reason above.

We use the Liebert Brand HVAC units for our server rooms. (They are now owned by Emerson and have that brand name on them.) They are expensive, but when you've got millions $$$ in equipment in one room, and people using them, heat downtime gets expensive. It's cheaper to get it done right up front
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Old 07-13-2015, 01:11 PM
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The best thing would be to hang plastic and have a hot and a cold side. That is how all of our data centers are designed. The front of the servers are on the cold side and the backs are on the hot side which is not temp controlled.
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Old 07-13-2015, 01:13 PM
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Our server room temperature control wasn't designed correctly and stayed way too hot in my opinion. I convinced the owner to put in a split unit and it works wonders. I'm not sure it that's a possibility for you but if so, look into them.
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Old 07-13-2015, 01:21 PM
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we have a few of the Mitsubishi ductless units that run 24/7 in addition to the regular AC that runs all year. The return for the AC is behind the racks in the ceiling. Found out in the spring that the 3 ductless were not enough when the main AC went down. Temporarily added large fans to remove heat.
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Old 07-13-2015, 01:41 PM
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Originally Posted by mikes210 View Post
You want one that is "continuous duty" instead of one that will have to cycle on/off. Otherwise it just has to work twice as hard when it comes back on to reduce the CONSTANT heat.

The computers will put off constant heat... hence the reason above.

We use the Liebert Brand HVAC units for our server rooms. (They are now owned by Emerson and have that brand name on them.) They are expensive, but when you've got millions $$$ in equipment in one room, and people using them, heat downtime gets expensive. It's cheaper to get it done right up front
Same here. If you're serious about doing it right, do this.
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Old 07-13-2015, 01:46 PM
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You might consider water cooling your servers, as well.
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Old 07-13-2015, 01:51 PM
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The vaults are stand alone and X6's

The machines that are generating the most heat two big DVR's and two big screens.
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Old 07-13-2015, 01:54 PM
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HVAC Booster or an HVAC Register mounted booster.
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