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Sensor Application info
Tech tips, installation write ups, general application information and more.
Here is a web site that covers the basics of DDC Systems. It gives an unbiased review that people new to the industry can find helpful. ACI uses reference material such as this for the ACI Sales Staff Training Program.
From the site:
The complexity and proprietary nature of DDC systems can make it difficult to stay current with the designs, installations, operation and maintenance. This guide was developed specifically to help building owners and consulting/specifying engineers with these issues.
Both generic and specific information on DDC systems:
Good tips on saving on your energy bill and reducing your carbon footprint:
http://projecthouse.sitesvp.com/Suggested_Lifestyle_Changes.html
provided by:
Margie Campaigne (Green Irene Eco Consultant) (585) 288-2224
Use of Freeze Stats to Protect HVAC Systems
Use of Freeze Stats to Protect HVAC Systems
Application Note 101: Use of Freeze Stats to Protect HVAC Systems
By Mike Adelman, INTEC Controls
Copper versus Aluminum averaging sensors-what's the difference?
Rob Kapinos, Engineer from ACI
There are a number of things that need to be considered when choosing between whether or not to use a copper or aluminum bendable averaging sensor. These factors include the sensors response time, corrosion resistance, overall cost, environmental and health concerns as well as the overall weight of the finished products. Each of these factors will be briefly discussed in order to show why the bendable copper averaging sensors should be the overwhelming sensor of choice for use in your typical HVAC application’s today.
Sensor and Transmitter Wiring Recommendations
We routinely get asked about what wire size and length of wires that we would recommend for use with all of our analog Current, RH, Temperature and pressure transmitters as well as with all of our different types of temperature sensors. Please keep in mind that these are our recommendations for new projects, since many older buildings may already have different styles of cable or twisted pair wires already installed.
Field Replaceable RH Sensors?
One of the most commonly asked questions is in regards to the RH sensors being easily replaceable in the field in order to make the unit “calibration free”. But what they aren’t mentioning is that there will also be an error created from the drift of the other electronics over time. Unfortunately when dealing with relative humidity and its overall complexity, there is no 100% guaranteed way to make your transmitter calibration free.
Reference Material
ACI's products offer many long-term advantages that do not always jump off of specification sheets. Here is a link to some videos that help explain some of these aspects. http://workaci.com/content/aci-videos