[CAUT] large and rapid humidity changes!

[John Minor]

Datalogger.jpg is for one entire week, and datalogger2.jpg is for 24 hours. That explains the difference in the appearance between the 2 graphs.

The room is the 2066 seat performance hall. Here is a link:

http://www.kcpa.uiuc.edu/about/venues/foellinger.asp

John

---- Original message ----
>Date: Mon, 27 Nov 2006 13:19:39 -0700
>From: "Jim Busby" <jim_busby at byu.edu>  
>Subject: RE: [CAUT] large and rapid humidity changes!  
>To: <jminor at uiuc.edu>, "College and University Technicians" <caut at ptg.org>
>
>John,
>
>What rooms (size) were these in? Why is one graph "smoother" or less
>"jerky" than the other?
>
>Boy, I'll never complain about our building again. (as much...)
>
>Jim Busby BYU
>
>-----Original Message-----
>From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of
>John Minor
>Sent: Monday, November 27, 2006 1:00 PM
>To: caut at ptg.org
>Subject: [CAUT] large and rapid humidity changes!
>
>Paul,
>
>I can sympathize! I've been fighting the same battle here at the
>University of Illinois for 13 years! Unfortunately, there seems to be
>considerable animosity between the facilities management people and the
>academics who run the department. Outdated HVAC equipment that won't
>function properly also plays a large roll. There are HUGE systems that
>can only be repaired so far before they need wholesale upgrades.
>
>Part of the problem has to do with fresh air dampers being wide open,
>thus bringing in outside air that needs to be cooled and/or heated to
>acceptable temperatures. There are laws that require  outside air to be
>brought into the system to maintain healthy air quality. These can
>operate poorly, causing more outside are than is really needed. 
>
>It is helpful to print out the data from the graph on the DICKSON DATA
>LOGGER and send it to department managers to forward to facilities
>people. I've attached a couple of examples. 
>
>It can be extremely frustrating to have to work around these conditions
>and I don't have any failsafe solutions, although it may be of help to
>gain support/sympathy/outrage from the faculty who have the ear of the
>directors and or chancellors.
>
>Good luck!
>
>John Minor
>University of Illinois