Delcos 3100 Wiring Diagram =link= Guide

| Terminal | Label | Signal Type | Destination | Wire Color (Suggested) | |----------|---------------|--------------------|----------------------------------|------------------------| | L | Line (AC) | Power | Circuit breaker (phase) | Brown | | N | Neutral | Power | Neutral bus | Blue | | PE | Earth | Safety ground | Ground bar | Green/Yellow | | 1 | I1 – Run Perm | Digital input (NC) | Safety relay contact | White | | 2 | I2 – Alarm | Digital input (NO) | Alarm pushbutton | White/Black | | 17 | AO1 – Setpnt | Analog output | VFD analog input (0–10V) | Black (shielded) | | 21 | R1 COM | Relay common | Load power (e.g., 24V DC) | Red | | 22 | R1 NO | Relay NO contact | Contactor coil | Orange | | A (+) | RS-485 + | Modbus data+ | PLC / SCADA | Yellow | | B (-) | RS-485 - | Modbus data- | PLC / SCADA | Green |

Ultimate Guide to the Delcos 3100 Wiring Diagram The Delcos 3100 controller is the brain of many industrial air compressors, most notably CompAir systems. Understanding its wiring matrix is essential for successful installation, troubleshooting, and system integration. This comprehensive guide breaks down the electrical layout of the Delcos 3100 to help you safely navigate your equipment's control panel. Safety First: Pre-Wiring Checklist delcos 3100 wiring diagram

Find the for your CompAir model number. Explain the start-up sequence of the star-delta contactors. DELCOS 3100 Controller for - Best Aire | Terminal | Label | Signal Type |