The FMT-24-AZC is best stand-alone damper controller with a proportional output.
This thermostat can control all standard, general purpose dampers- (3-wire, 24VAC), and its Open / Close time is adjustable by the user.
The FMT-24-AZC also has a special option to connect a duct temperature sensor, which senses the airflow temperature and automatically selects the mode (Auto-Change-Over).
• Proportional output for dampers – 24VAC, 3-wire
• Two different temperature scales: Fahrenheit or Celsius
• External Sensor - Option
• Offset for temperature reading adjustment
• Set point limits for cooling and heating
• Adjustable open/close time for motor
• Duct sensor for Auto Change-Over mode-option