WebFeb 7, 2024 · Freezestats. A freezestat is a low-ambient-temperature-limit control device. It is the standard control used to achieve water-coil low-temperature protection. If air temperature at a coil drops to just above freezing, a freezestat changes over its contacts and initiates protective action.
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Ask Rick: How does a freezestat work? - Dynamic Air Corporation
WebJan 26, 2012 · Q: How does a freezestat work? A: You should use a freezestat to protect your water coils from freezing. Rooftop units with water coils should always have freezestats, even if using a water/glycol mixture. Typically the heating coil would be upstream of the cooling coil.
WebA freeze stat is a temperature sensing device for HVAC that monitors a heat exchanger to prevent its coils from freezing. Freeze stats can be used on both refrigerant -to- air , and refrigerant -to- liquid type heat exchangers and serve different purposes with …
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Air Handler Water Coil Freeze Stat Quality HVAC Info 101
WebAir Handler Water Coil Freeze Stat - The HVAC Air Handler Freeze Stat is a low-temperature limit control and it is used mainly in commercial systems in the ductwork on economizers or in air handlers just before any coil especially water coils. It is a safety and protection control to prevent extremely cold air from reaching the hot water or ...
WebA freeze stat is a temperature sensing device for HVAC that monitors a heat exchanger to prevent its coils from freezing. Freeze stats can be used on both freon -to-air, and freon-to-liquid type heat exchangers and serve different purposes with similar goals for each.
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HVAC Freezestats - A Coil's Best Friend — HVAC 360
WebDec 9, 2017 · A freezestat is a safety device that protects a water coil from freezing (DX coils do not require them). Another name for a freezestat is a low-temperature cut-out, limit, or detector, take your pick. In my years of inspecting these simple devices, the installations have been like snowflakes, no two were alike.
WebJul 24, 2001 · The freeze stat is a safety switch that is used in almost all commercial and industrial air-handling units, cabinet unit heaters, unit ventilators, and blower units that have chilled water and/or hot water coils. This switch will open or close its contacts when the temperature across the water coil drops below a preset setpoint.
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Freezestat NSA-FREEZE | Carrier Commercial Systems North …
WebNSA-FLS-50-A. NSA-FLS-50-M. The NSA-FLS Series Low Temperature Cutout Thermostat, otherwise known as a "Freeze Stats" are designed with a vapor charged capillary sensing element for use in equipment that requires low-temperature cutout protection. These stats protect heating and cooling coils from freezing or are used in …
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Ask Rick: Freeze stat location? - Dynamic Air Corporation
WebPosted January 8, 2014 by Jim Shiminski. Q: Does a freeze stat always go after preheat coil and before chilled water coil or is it OK putting it on the leaving side of chilled water coil? A: You should use a freeze stat to protect your water coils from freezing.
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Have you had your freeze stats checked? | Galgon HVAC
WebJun 30, 2018 · Freeze stats have a 10- to 20-ft-long capillary tube that is placed across the face of the coil. The control responds to the lowest 8-in. to 12-in. length of the capillary tube. If any portion sees temperatures dropping to a level at which the coil could be in danger of freezing, its contacts change over.