American Power Conversion Symmetra MW - Manual (Page 29)

Electrical Installation: Relay Board (Optional)
Symmetra MW 1000 kW 480 V Installation - 990-4112E 25
K11 Bypass operation • UPS is running in normal operation/
bypass operation according to AS400/
Novell.
Active on Opr. mode
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
temperature or inverter
fuse blown • Static Switch temperature is high;
• Main Inverter failure (high temperature
or blown fuse);
• Delta Inverter temperature is high;
• Magnetics temperature is high;
• Isolation Transformer temperature is high
(optional);
• Battery temperature is high.
Fail safe Warning
IN1 Generator active • System on generator System is
running on
generator.
Battery
charging is
derated.
IN2 Battery room ventilation
fault • Battery room ventilation Ventilation
fault in
battery
room.
Battery
charging is
off.
IN3 -
IN8 Reserved for future use
Relay
ID
Name Events that will trigger the alarm Mode Comment