APC Symmetra MW Installation Guide download pdf (Page 31)

Electrical Installation: Relay Board (Optional)

Symmetra MW 800 kW 3 × 400/230 V Installation Guide - 990-1510B 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

Name Events that will trigger the alarm Mode Comment

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 53 54

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APC Symmetra MW Installation Guide Page 31