APC AIS 3000 Installation Manual download pdf (Page 49)

Electrical Installation – Communication Wiring to EPO and Optional

AIS® 3000 10-40kVA, 400V, Site Preparation and Installation Manual – 990-2258 41

Pin connections J108 (for EPO wiring options)

Connect the EPO cable, using one of the following 4 wiring configurations.

See EPO wiring options for setup.

J108

EPO circuit

J108

1: Dry Contracts

Normally Open

2: +24V Normally Open

3: Dry Contacts

Normally Closed

4: +24V Normally

Closed

EPO circuit

EPO is activated when a

connection from pin 3 to pin 5

is opened

EPO is activated when pin 1 is

connected to pins 3,4 and 5

EPO is activated when an

isolated SELV 24VDC voltage

is supplied on pin 1 with

reference to pin 2.

EPO is activated when a SELV

24VDC voltage removed from

pin 3 with reference to pin 5

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APC AIS 3000 Installation Manual Page 49