United States Department of Transportation
i
Building Freeze Alarm Systems. Test Report
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1983-01-01
[PDF-1.86 MB]
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Alternative Title:Test Report: Building Freeze Alarm Systems
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TRIS Online Accession Number:00488161
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Abstract:Unintentional freeze-ups can cause a considerable amount of damage to a building's mechanical and architectural components resulting in costly repairs and the temporary loss of the facility's usage. The major complement of freeze-ups occur in unattended buildings as a result of heating unit failures. In many cases, buildings and content damage could be eliminated if simple alarm systems were available to give maintenance personnel advance warning of abnormally low temperatures. This report, along with an earlier one entitled "Design Report--Building Freeze Alarm System" (AK-RD-83-10) describes design considerations of VHF radio alarm systems and tests performed on 3 prototype units. Assembled primarily from off-the-shelf components, these 2 to 25 watt units can be expected to provide reliable freeze protection under a wide variety of installation conditions. In addition to freeze protection, the units can be easily modified to be activated by any switch closure type sensor.
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