The A421 Series controls are single stage, line-voltage electronic temperature controls with a single-pole, double-throw (SPDT) output relay. These can be used to control a wide variety of single-stage refrigeration or HVAC equipment with an ambient temperature range of -40 to 212°F. Model A421AEC-01C features Type 4X (NEMA) IP66 watertight, corrosion-resistant enclosure suitable for surface mount and rated for either 120 or 240 VAC. Includes A99BB-25C PTC temperature sensor with a 2 in. standard probe and 9-7/8 in. PVC cable.
Features:
- Control Front Panel LCD
- Basic and Advanced Programming Menu
- On/Off Temperature Adjustment
- Switch-Activated Temperature Setback
- Adjustable Anti-Short Cycle Delay
- Adjustable Sensor Offset
- Optional Restricted Adjustment Mode
- Sensor Failure Mode