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> Johnson A419ABC-1 electronic temp control A419ABC-1C
Johnson A419ABC-1 electronic temp control A419ABC-1C
Supply Voltage: 120 or 240 VAC
Range: -30 to 212°F (-34 to 100°C)
Differential: 1 to 30F° (1 to 30C°)
Sensor Lead Length: 6-1/2 ft (2 m)
The A419 control is a single-stage, electronic temperature control with an SPDT output relay. It features a keypad for programming and a liquid crystal display for viewing the sensed temperature and the status of other functions. A front panel LED indicates the control’s output relay status. The control has a setpoint range of -30 to 212°F (-34 to 100°C) and is available in 24 VAC or 120/240 VAC models. The A419 control has heating and cooling modes with adjustable setpoint and ifferential, a lockable keypad, an adjustable anti-short cycle delay, and a temperature offset function. The control combines remote sensing capability and interchangeable sensors with electronic accuracy in a NEMA 1, high-impact plastic enclosure suitable for surface or DIN rail mounting.
The A419 Electronic Temperature Control can be used to control a wide variety of single-stage refrigeration or HVAC equipment. Typical applications include the
• supermarket display cases for produce/meats
• restaurant/convenience store walk-in coolers
• boiler control (used as a thermostat)
• space and return air temperature control
