Product Details
The A421 series controls are single stage, low-voltage electronic temperature controls equipped with a single-pole, double-throw (SPDT) output relay, designed for controlling various single-stage refrigeration or HVAC equipment within an ambient temperature range of -40 to 212°F. Model A421GEF-02C includes a type 4X (NEMA) IP66 watertight, corrosion-resistant enclosure suitable for surface mount, and is rated for 24 VAC Class 2, safety extra low voltage. The kit features an A99BB-200C temperature sensor with a 2 in. standard probe and a 6.6 ft. PVC cable. Key features comprise a control front panel LCD, a basic and advanced programming menu, on/off temperature adjustment, switch-activated temperature setback, adjustable anti-short cycle delay, adjustable sensor offset, an optional restricted adjustment mode, and a sensor failure mode.
