JOHNSON CONTROLS A-419

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 controls’ output relay (On/Off) status. The A419 controls are available in 24 VAC or 120/240 VAC models. The A419 controls have heating and cooling modes, adjustable setpoint and differential, an adjustable anti-short cycle delay, and a temperature offset (setback) function. The setpoint range is -30 to 212°F (-34 to 100°C). The controls feature remote sensing capability and interchangeable sensors. The A419 controls are available in either NEMA 1, high-impact plastic enclosure suitable for surface or DIN rail mounting or NEMA 4X Watertight surface-mount enclosures. ***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 copressor when temperature exceeds limits)***SENSOR INCLUDED***