NVC
Natural Ventilation Control
The Natural Ventilation Control Model NVC, is a microprocessor based product designed to effectively operate a curtain machine. It displays temperature in Fahrenheit or Celsius with a digital display. The operation run time offers adjustable “ON or OFF” times for open and close, and responds to dramatic temperature changes.

Features:

• 3 digit display of temperature and timer settings
  
  
• Adjustable temperature set point
  
  
• Adjustable opening and closing time (1-900 seconds)
  
  
• Adjustable idle time (1-900 seconds)
  
  
• Adjustable temperature differential
  
  
• LEDs showing status of curtain operations
  
  
• Adjustable alert set points to activate alarms and alert mode for high and low temperatures
  
  
• Manual override to open and close curtains
  
  
• Lock program mode.
  
  
• Open/close output relay (6 FLA)
  
  
• Electrical Rating: 115/230 VAC
  
  
• 2 Year limited warranty
  
  

SPC
Static Pressure Control
The Static Pressure Control Model SPC, is a microprocessor based product designed to electronically monitor the static pressure differential in a room and effectively operate an inlet actuator by providing commands when to open or close.

Features:

• 3 digit display of static pressure and timer setting
  
  
• Adjustable pressure differential (O - .250" H20)
  
  
• Adjustable opening and closing time (2-900 seconds)
  
  
• Adjustable idle time (2-900 seconds)
  
  
• LEDs showing status of inlet operations
  
  
• Alert, detects high and low pressure, power failure, and systems faults
  
  
• Manual override to open or close inlet
  
  
• Lock program mode
  
  
• Open/close output relay (6 FLA)
  
  
• Electrical Rating: 115/230 VAC
  
  
• 2 Year limited warranty