Honeywell FCU Valve VS9ZZC00T Honeywell On-off2-way/3-way FCU Electric Control Valves Technical Data Sheet Operating Voltage 220 VAC±10 %,110 VAC±10% 24 VAC±10%,50/60Hz Control Mode On-Off, Spring return, normally closed when powered off Operating Temperature 0℃-50℃ Operating Relative Humidity 10%–90 % RH,non-condensing Download PDF Now