Johnson Controls NEMA 1 Electronic Temperature Control with Off-Cycle Defrost

The A421ABD-02C Line Voltage NEMA 1 Electronic Temperature Control with Off-Cycle Defrost Timer is Typically used to Provide Temperature Control and Adjustable, Timed, Passive Defrost Cycles on Medium Temperature Cooling Applications such as Reach-In Boxes, Display Cases and Walk-In Coolers. This Temperature Control can be used to set up Regular, Passive Defrost Periods of 1 to 99 Minutes. The Defrost Interval can Range from 2 to 24 Hours, or you can set it to 0 for no Defrost Interval. You can also Start or Stop a Defrost Cycle by using the 3 Button Touchpad on the Advanced Menu or Connect a Momentary Switch to the Binary Input (BI)