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"I am Jon Pierce, the crewNeckTech. I am employed full-time at Crossroads Community Church as the Technology Specialist. Fulfilling this title pretty much makes me in charge of anything with current flowing through it... This ranges from our 1 electronic stapler, to our 6 servers, to our 8 Rooftop HVAC units, and to our 64 input video switcher."


    Heating, Ventilation, and Air Conditioning (HVAC) Wednesday, August 13, 2008 |

    So, if you look at the "about me" you'll notice I have a blurb about taking care of everything that has current flowing through it... Guess what? That includes taking care of our church's HVAC system (well, the electrical side anyway). After a week of heat in the nursery and pre-school areas, we're working like crazy to get our controls guys down here to take care of our system which seems to have belly-flopped in the last week or so.

    HVAC has been one of those ongoing battles ever since we moved into our renovated Phar-Mor building a bit over a year ago. The issues range from really old Roof Top Unit's (RTU's) that just kept working (at first) to bad communication amongst our 3 different vendors (controls programming, controls wiring, and mechanicals) that were involved in the install to continuing bad communication with our controls programmer currently. The result? After just replacing 1 full RTU, 1 Compressor and 1 Fan in another, many many relays/fuses/motors/random-tiny-hvac-parts; we're still looking at having to replace 1 unit prior to winter (hopefully, or the offices may freeze..) and maybe a compressor or 2 in a couple of other units... The other result? A controller that hasn't been controlling for about 2 weeks, meaning: units that are running when they shouldn't be, and units that aren't running when they should be (i.e. a hot nursery). Call me back you controls programmer vendor you! The other other result? I know way more about HVAC than I even knew existed: "That Static Pressure Analog input update interval is throwing the bypass damper closure rate off enough to ruin our constant air time throughout that RTU's zone definitions"... yeah, I can take care of that problem... ;)

    The really great thing is we didn't have to sink 20 some thousand dollars per unit when we renovated our building. The bad thing? Well, the controllers still not working right and I can't get service down here in tiny Mansfield, Ohio...

    I'm just hoping it doesn't hit 80 degrees tonight like it says it's going to...