Honeywell A4021A1002 valve proofing system 230V 50Hz without base

Honeywell A4021A1002 tightness control unit is designed for commercial and industrial facilities with high energy consumption and various types of gas-burning devices with capacities exceeding 1200 kW. It operates based on the principle of measuring the pressure differential between two valves during testing.

Key Functions:

• Valve testing using gas pipeline pressure
• Long-term lockout upon defect detection
• Flexible test mode configuration
• Clear visual status indication

Technical data:

• Operating temperature: -10 to +60 °C
• Storage temperature: -40 to +80 °C
• Humidity: Up to 95% at 40 °C (non-condensing)
• Power supply voltage:
• Low voltage 24 V, 50 Hz
• Line voltage 220–250 V, 50 Hz or 100–120 V, 50 Hz (other options available upon request)
• Maximum power consumption: 4.5 W
• Electrical output characteristics:
• Valve output: 4 A, cos φ 0.7
• Exhaust valve output: 1 A, cos φ 0.7
• Ignition regulator output: 4 A, cos φ 0.7
• Alarm output: 1 A, cos φ 0.7
• Enclosure rating: IP40 (not intended for use in humid environments without additional protection)
• Vibration resistance: 4.9 N (0.5 G)
• Fuses:
• External fuse: 16 A
• Internal fuse: 5 A
• Installation: Can be mounted in any position