GrowerSELECT - HS740 Autotmatic Curtain Controller Installation Manual

Hog Slat Inc. Newton Grove, NC USA April 2019, REV A3 2 Ventilation Systems Layout: Operation: The HS740 has two operating modes selectable by a front panel switch. A. “Automatic” mode: In this mode the controller will open or close the ventilation based on the requirement of the thermostat/control input. Every 5 minutes the controller will either Open or Close the ventilation actuator for the time set on dials found on each face of the timers inside the enclosure. Table below indicates time settings and resulting travel distance of a HS583 series curtain machine. Example: 30 RPM HS583 series curtain machine. Winching ratio 1:2 HS740 timer set to 30 seconds. Travel distance of curtain will be 6 inches . B. “Manual” mode: Switch front panel selector switch to “Manual” mode. The controller will bypass the thermostat/control input. The curtain machine/actuator can then be controlled by the “OPEN/CLOSE” selector switch located on the front panel. Electrical Specifications: POWER IN : 120VAC, 60 Hz, 0.1 AMPS OUTPUT RATINGS: UNIT #1: 120/240VAC, 60 Hz, 8/4 AMPS, 1/3 H.P. UNIT #2: 120/240VAC, 60 Hz, 8/4 AMPS, 1/3 H.P. RPM Travel Distance per 10 seconds of run time. (Curtain Winching Ratio 1:2) 15 1 inches 30 2 inches 60 4 inches FUSE (10A) OPEN/CLOSE AUTOMATIC/MANUAL Open time OPEN RELAY CLOSE RELAY TERMINAL STRIP Close time

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