Copied Johnson Controls Digital Temperature Controller , 24 VAC, SPDT, Nema
Johnson Controls Digital Temperature Controller , 24 VAC, SPDT, Nema
The A421 Series controls are single stage, low-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 A421GEF-01C features Type (NEMA) IP66 watertight, corrosion-resistant enclosure suitable for surface mount and rated for 24 VAC Class 2, Safety Extra Low Voltage. Includes A99BB-25C PTC temperature sensor with a 2 in. standard probe and 9-7/8 in. PVC cable. Features: Control Front Panel LCDBasic and Advanced Programming MenuOn/Off Temperature AdjustmentSwitch-Activated Temperature SetbackAdjustable Anti-Short Cycle Delay Adjustable Sensor Offset Optional Restricted Adjustment Mode Sensor Failure Mode.
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