Hog Slat Inc. Newton Grove, NC USA APRIL 2025 REV A1 17 Ventilation System ================================================================== 16. STAGE 2 PAGE 16A: STAGE 2 MINIMUM SPEED PERCENTAGE %: Sets the minimum speed the stage 2 fan motor can operate. 16B: DE-ICING CYCLE: This cycle is to help de-ice stage 2 fans during winter weather. When activated, stage 1 fans turn off and stage 2 fans are started at full speed for 3 seconds, and then operated at stage 2 minimum speed. This operation follows the de-icing cycle. De-icing cycle time: Amount of time stage 1 fans operate according to their programming. When this time has elapsed, stage 1 turns off. De-icing Time: Once stage 1 fans turn off, stage 2 fans start up and will run until the de-icing time has elapsed. Repeat cycle. In the following sections for cooling, heating, mist and alarm settings the controller uses both relative and actual temperatures. In each setting the relative value will be the variable that is adjusted however the actual temperature is displayed alongside the variable to make it easier to determine the actual temperature. 16A 16B
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