The user-programmable microprocessor controller for Maxair air doors can maintain 10 speeds, ±5 rpm. Other features include three modes (on, off, and auto), built-in time delay (0 to 10 minutes), internal thermostat (50 degrees to 90 degrees F and 10 degrees to 32 degrees C), external thermostat provision, programmable start and stop time, clock display, Serial RS485 master and slave connection with unlimited slaves up to 500 feet away, remote mountable display/interface, and fan fail lockout to prevent electric heater activation if fans aren’t running. An infrared remote control is optional.

Berner International Corp., Shenango Commerce Park, 111 Progress Ave., New Castle, PA 16101; 800-245-4455 or 724-658-3551; 724-652-0682 (fax); www.airdoors.com.

eProduct #194