Hog Slat Inc. Newton Grove, NC USA AUG 2025 REV A2 18 Ventilation System 16D: COMPENSATION (AUTO TIME ADJUST): Based on outside temperature (outside probe required). The TIME ON is compensated 4% per 1F (0.6C) above or below the OUTSIDE TEMPERATURE set point. The TIME OFF is decreased by the same amount. Once TIME OFF equals 10 seconds, TIME OFF is set to zero. 16E: CLOSE INLETS ON CURTAIN OPENING: Sends signal via com port to inlet controller to close inlets on curtain opening. 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. ================================================================== 17. COOLING: Stage 1 to 3 can provide cooling. Stage 1 is variable speed output while Stages 2 and 3 are constant speed relay output. Stage 3 can be set to Floating or Non-Floating. NON-FLOATING STAGE 3 – will follow STAGE 2. 17A: STAGE 1: Variable output stage. BW1 is the temperature range between when the stage operates at minimum speed up to full speed. MIN. VENT temperature and below is the temperature at which the fan is running at minimum speed. As the temperature goes up, the fan speed increases proportionally until temperature is equalled to “FULL SPEED” temperature at which time the stage 1 fans will be at full speed. 17A 17B 17C 17D
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