Obsoleted… replaced by A421ABC-02C
The Johnson Controls A419ABC-1C SINGLE STAGE Temperature Control; W/DISPLAY HTG/CLG -30 TO 212F 120/240VAC INCL Sensor W/6 1/2ft (2M) LEAD
The A419 series controls are single-stage, electronic temperature controls with a Single Pole, Double Throw output relay. They feature a lockable front-panel touchpad for setup and adjustment, and a Liquid Crystal Display for viewing the temperature and status of other functions. A Light-Emitting Diode indicates the control’s output relay (On/Off) status. The A419 controls are available in 24VAC (A419GBF Series) or 120/240VAC (A419ABC Series) models.
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
reach-in coolers
supermarket display cases for produce or meats
restaurant or convenience store walk-in coolers
boiler control
compressor lockout (disables the compressor when temperature exceeds
limits)
condensor fan cycling
pump control for cooling towers
space and return air temperature