Infrared humidifier maintenance.

30 pts.
Tags:
Data center cooling
Infrared humidifier maintenance. Costs to maintain infrared humidifiers is a concern add to our maintenance budget.  Hard water deposits are causing problems and constant repair bills. It has been recommended that we could use a product called "Vapure(R)" to suspend the minerals and have them flushed by by the regular flush cycle. The question is: How does the cost of this unit and solution compare against the maintenance cost? Which is better from a TCO perspective? Anybody out there have experience or advise to share?

Software/Hardware used:
Liebert CRACs

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A data center we designed in Indianapolis had infrared humidifiers scale up in only 2 weeks of operation. Installation of a small reverse osmosis (RO) water system to purify the makeup water to the humidifiers solved the problem.

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  • StevenG7
    It is challenging to give you a good answer; it depends upon your water's hardness. If, like in Jwain's example, your water is pretty hard you'll need to look at a solution. If it isn't and you only need to descale the pans at normal scheduled PM intervals, continuing to do so may be the most cost-effective solution. It should be pointed out that RO systems require maintenance too and use a significant amount of water to flush the membranes. In most cases, you may want to install a water-softener system in front of the RO system to keep the RO membrane from crudding up, so figure even more water used (and rock salt) to regenerate the resin bed. Unfortunately since you already have the infrared humidifiers, the Vapure(R) system might be worth looking into. I'd ask their sales rep for some customer references and call them to see what their experience has been like. And everyone, please don't assume your CRAC salesperson cares about these things. They probably don't, and most people building/renovating a data center or server room just accept whatever recommendation the CRAC people give them. Remember, *they* don't have to run your data center and deal with these maintenance issues!
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