Digital valve controller XV Series

Superheat controller of refrigeration cycle. Controls open rate of electronic expansion valve for efficiency and prevent of misoperation. Controls open rate of electronic expansion valve that control superheat of chiller cycle. Enhances efficiency of cooling cycle and has a various safety functions. • Super heat control. Hot gas bypass. Drive mode operation • PID precision control algorithm • Color display tool — optimised for initial operation or settings • Various alarm check functions for safe operation of cooling cycle • Applicable with various refrigerant • Applicable with various electronic expansion valve (Bipolar, Unipolar) • Power : Main : 24 VAC/VDC Aux : 12VDC (Option, Spare power) • Input : DI : on/off, defrost input AI : temp. sensor (Thermistor), Pressure sensor /external (4~20mA) • Output : DO : alarm output (relay C contact, 250VA 3A) • Motor : EEV control output (Unipolar/BIpolar) • Comm. : RS-485 1ch, (MODBUS RTU) (option) • Circumstance : -20℃~70℃(5~95%, non-condensate) • Storage : -30℃~80℃(5~95%, non-condensate) • Refrigerant : R22, R134A, R404A, R407C, R410A, R507, R452A, R452B, R502, To be added