Description
The ACI 145359 FreezeStat is a professional-grade freeze protection thermostat engineered to safeguard HVAC air handling systems from coil freeze-up damage. Featuring a 20-foot capillary sensing element, this unit monitors air temperature across a wide coil face area, ensuring comprehensive freeze detection even in large duct or AHU applications.
Key Features
- 20-foot capillary tube for broad-area temperature sensing across coil faces
- Manual reset (M/R) operation — requires intentional operator reset after a freeze event, preventing automatic restart until conditions are verified safe
- Dual-circuit (2-circuit) switching capability for simultaneous control of multiple loads or safety interlocks
- Designed for use in air handling units, rooftop units, and ducted HVAC systems
- Reliable freeze-stat action helps protect heating and cooling coils from costly freeze damage
- Compact, rugged construction suitable for commercial and light industrial HVAC installations
Application
The ACI 145359 FreezeStat is ideal for installation in air handling units where low-temperature air or coil freeze conditions must be detected and acted upon quickly. The manual reset function ensures that a qualified technician reviews and clears the fault condition before the system is returned to service, adding an important layer of protection and accountability. The 2-circuit output allows the freeze-stat to simultaneously shut down a fan motor and trigger an alarm or valve actuator, making it highly versatile for complex HVAC control sequences.
Product Details
- Brand: ACI (Automation Components Inc)
- SKU: 145359
- Capillary Length: 20 feet
- Reset Type: Manual Reset
- Circuits: 2-Circuit
- Application: Air Handling Units, Duct Systems, Rooftop Units
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