PENN Controls Products Catalog

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Table 67: A421 Series Electronic Temperature Control Technical Specifications Specification Description Type 1/IP20: Operating: -40°F to 150°F (-40°C to 66°C), 0% to 95% RH noncondensing Shipping and storage: -40°F to 185°F (-40°C to 85°C), 0% to 95% RH noncondensing Ambient conditions Type 4X/IP66: Operating: -40°F to 140°F or (-40°C to 60°C) Shipping and storage: -40°F to 140°F (-40°C to 60°C) Temperature control range -40°F to 212°F or (-40 to 100°C) Sensor type A99 PTC temperature sensor: 1,035 ohm at 77°F (25°C) Sensor offset range ±5ºF or ±3ºC Enclosure material Type 1: IP20 high-impact thermoplastic or Type 4X: IP66 watertight, corrosion-resistant, high-impact thermoplastic Note: Torque the cover screws on the enclosures to 10 in·lbs to 12 in·lbs (1.1 N·m to 1.4 N·m) to achieve Type 1 or Type 4X rating. Compliance North America: cULus Listed; UL 60730, File E27734; FCC Compliant to CFR47, Part 15, Subpart B, Class B Industry Canada (IC) Compliant to Canadian ICES-003, Class B limits Europe: CE Mark – Johnson Controls declares that this product is in compliance with the essential requirements and other relevant provisions of the EMC Directive; Low Voltage Directive. Australia: RCM Compliant The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications Johnson Controls shall not be liable for damages resulting from misapplication or misuse of its products. 65 Refrigeration Products Catalog

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