A19BAC-1C Johnson Controls Temperature Control

Overview

The Johnson Controls A19BAC-1C is a single-stage temperature control designed for return air or space temperature sensing in commercial, industrial, and agricultural environments, such as livestock barns and poultry houses. It features an air coil sensing element and a convertible range adjuster that allows field modification from a concealed screwdriver slot to a knob adjustment.

Features

• Wide temperature sensing range
• Air coil sensing element for accurate space monitoring
• Convertible range adjuster (knob and wrench packed separately)
• Dust-protected snap-acting contacts for enhanced dependability
• NEMA 1 rugged gray steel enclosure

Specifications

• Temperature Range: 30 to 110°F (-1 to 43°C)
• Differential: 3.5 ± 2°F (1.9°C) fixed
• Switch Action: Single-Pole, Double-Throw (SPDT), open/close on rise
• Bulb Size: 1-3/8 in. x 2-1/4 in. coiled air bulb
• Maximum Bulb Temperature: 140°F (60°C)
• Electrical Ratings: 16.0 FLA @ 120 VAC, 9.2 FLA @ 208 VAC, 8.0 FLA @ 240 VAC; 22 A resistive load; 125 VA pilot duty

Applications

• Return air temperature sensing
• Space temperature control and environmental monitoring
• Automatic ventilation or heating control in livestock and agricultural buildings
• General-purpose industrial and HVAC temperature regulation