A421GBF-02C Johnson Controls JCI Low-Voltage Type 1 Electronic Temperature Control: Type 1 DIN rail and surface-mount applications. 24 VAC Class 2,Includes A99BB-200C sensor with 6.6 ft

Additional Product Details

The A421 Series controls are single stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. The controls feature an adjustable backlit LCD for viewing the temperature and status of other functions, and a three-button touchpad for setup and adjustment. An LED indicates the On/Off status of the output relay. The A421 controls are available in low voltage 24 VAC and high voltage 120 or 240 VAC models, which provide options for most refrigeration and HVAC applications.
The A421 controls provide heating or cooling control, sensor offset, temperature setback, adjustable anti-short cycle delay, and a restricted user adjustment mode. The temperature units can be displayed in F or C. The temperature adjustment range is -40 to 212F or -40 to 100C.
The A421 controls are available in Type 1, IP20 high-impact plastic enclosures suitable for surface or DIN rail mounting and Type 4X, IP66 watertight, corrosion-resistant surface mount enclosures.
Refer to the A421 Series Electronic Temperature Controls Product Bulletin (LIT-12011972) for important product application information.

Downloads

12011972.pdf

1900933.pdf

A421_InstallationInstructions.pdf