F4901 11a 24v Schematic Install Jun 2026

: If used in safety or fire systems (like the FCM-1 module ), do not loop wires around terminals. Break the wire to ensure the system can detect a "lost" connection.

: Verify that all connections match the schematic before applying power. Continuity Test : Use a multimeter to check for shorts or open circuits. Operational Verification f4901 11a 24v schematic install

Verify 24V DC polarity before energizing; reversed polarity can damage internal logic circuits. Circuit Protection: : If used in safety or fire systems

Seat the F4901 expansion card into the designated backplane slot (usually adjacent to the F4900 Expansion A module 24V Power Hookup: f4901 11a 24v schematic install