Features

• Microprocessor based with or without display
• Used in conjuction with 2 sets of temperature and RH sensors
• Ambient temperature and humidity sensor for wet-bulb calculation
• 2 position (ON/OFF) and modulating outputs
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• - Fresh/Return/Exhaust air dampers
• - CHW/HW valves
• - Humidifier/dehumidifier
• - Cooling tower fan speed

Benefits

• Calculates and compares return/ambient air enthalpies
• Operates the dampers to minimize energy usage for free cooling
• Can be used with a energy recovery system