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Johnson control A419GBF-1C electronic temp controler
Johnson Control A419GBF-1C 24 VAC ELECTRONIC TEMP CONTROL
The A419 Electronic Temperature Control is a single-stage, electronic temperature control with an SPDT output relay.
The control features a lockable, three-button touchpad for setup and adjustment and a Liquid Crystal Display which displays the sensed temperature and other control functions.
A front panel LED indicates the output relay status.
The control has a set point range of -30 to 212F (-34 to 100C). The control has heating and cooling modes with adjustable set point and differential, an adjustable anti-short cycle delay, and a temperature offset (setback) function.
The A419GBF-1 Model is a 24 VAC control with a Type NEMA 1 high-impact plastic enclosure suitable for surface or DIN rail mounting.
The temperature sensor supplied with the control is interchangeable with compatible Johnson Controls/PENN A99 temperature sensors.
The A419 can be used to control a wide variety of single-stage refrigeration or HVAC equipment. Typical applications include:
* freezer control in convenience stores
* supermarket display cases for produce or meats
* restaurant or convenience store walk-in coolers
* compressor lockout (disables the compressor when temperature exceeds limits)
* pump control for cooling towers
* space and return air temperature
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