American Power Conversion MW manual IN1

Electrical Installation: Relay Board (Optional)

Relay	Name	Events that will trigger the alarm	Mode	Comment
ID
K11	Bypass operation	• UPS is running in normal operation/	Active on	Opr. mode
		bypass operation according to AS400/
		Novell.
K12	Maintenance bypass ON	• The maintenance bypass switch is active.	Active on	Opr. mode
K13	Stand-by operation	• UPS is in stand-by operation.	Active on	Opr. mode
K14	Boost charge operation	• UPS is boost charging the batteries.	Active on	Opr. mode
K15	Fan fault	• Blocked or faulty fan.	Fail safe	Fault
K16	High equipment	• Static Switch temperature is high;	Fail safe	Warning
	temperature or inverter	• Main Inverter failure (high temperature
	fuse blown	or blown fuse);
		• Delta Inverter temperature is high;
		• Magnetics temperature is high;
		• Isolation Transformer temperature is high
		(optional);
		• Battery temperature is high.
IN1	Generator active	• System on generator		System is
				running on
				generator.
				Battery
				charging is
				derated.
IN2	Battery room ventilation	• Battery room ventilation		Ventilation
	fault			fault in
				battery
				room.
				Battery
				charging is
				off.
IN3 -	Reserved for future use
IN8

Symmetra MW 1000 kW 480 V Installation - 990-4112E 25