Description
The ACI 102483 Freeze Stat is a low-limit freeze protection thermostat engineered to safeguard HVAC air handling units, coils, and ductwork from damaging freeze conditions. Featuring a 20-foot averaging capillary tube, this freeze stat continuously monitors air temperature across a wide sensing area, triggering a protective shutdown before coil or equipment damage can occur.
Key Features
- 20-foot averaging capillary tube for broad-area temperature sensing
- Auto-reset (A/R) operation — automatically resets once temperature rises above the setpoint
- Single Pole Double Throw (SPDT) switching for versatile control wiring configurations
- Designed for freeze protection of AHUs, coils, ductwork, and air handling equipment
- Reliable low-limit control to prevent coil freeze-up and equipment damage
- Compact, durable construction suitable for commercial and industrial HVAC applications
How It Works
The 20-foot capillary averages temperature along its entire length. If any section of the capillary detects a temperature at or below the freeze protection setpoint, the SPDT output switches to shut down the air handler or activate a protective sequence. With auto-reset functionality, the stat will automatically restore normal operation once safe temperatures return — minimizing manual intervention and system downtime.
Typical Applications
- Air handling units (AHUs) with chilled water or hot water coils
- Commercial and industrial HVAC systems in cold climates
- Duct-mounted freeze protection in mixed-air or outside-air applications
- Fan coil units requiring low-limit safety control
Product Specifications
- Brand: ACI (Automation Components Inc)
- SKU: 102483
- Capillary Length: 20 feet
- Reset Type: Auto-Reset (A/R)
- Switch Configuration: 1 SPDT (Single Pole Double Throw)
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