OTIS OI-7543, Assembly, Page: 53 / 57

Wiring Configurations-
Relay 3 (Danger Alarm)
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1. After the Relay 2 Wiring Configurations have been
completed (see previous section), locate the Relay 3
terminal block on the Terminal Board.
2. Connect a jumper wire (blue) from the terminal
labeled “COM” on the Relay 2 Terminal Block to the
terminal labeled “COM” on the Relay 3 Terminal
Block.
3. Connect the positive wire (red) from the Danger Alarm
to the terminal labeled “NO” (or “NC”) on the Relay 3
Terminal Block.
4. Connect the neutral wire (black) from the Danger
Alarm to the DC Power Supply.
5. Close the Front Panel.
6. Screw in the Thumbscrews.
7. Close the Enclosure Box and Latch.
8. All DC Wiring Configurations are complete. Once
power is supplied, the device will be fully functional
and ready to operate.