Delcos 3100 Wiring Diagram ◉ (Hot)

In the sprawling belly of the Everton Foundry , there was a machine everyone called the "Blue Ghost"—a massive CompAir screw compressor that hadn't breathed a word in forty-eight hours. The factory floor was eerily quiet, and the owner was pacing, watching his profits evaporate into the stagnant air.

Monitors emergency stops, motor overloads, and fan status. delcos 3100 wiring diagram

Understanding the is critical for troubleshooting no-heat conditions, replacing a failed module, or retrofitting to a newer universal ignition control. In the sprawling belly of the Everton Foundry

Note: Delcos 3100 models vary (e.g., 3100C, 3100P). Always verify the specific diagram revision against your unit’s serial number. : Includes an RS485 port used for Modbus

: Includes an RS485 port used for Modbus RTU or PROFIBUS network integration, allowing for remote monitoring and master/slave base load selection. Safety and Installation Precautions

The diagram shows a photo-eye connected to Input Card Slot 2, Terminal 5 . The other wire of the photo-eye goes to DC Common (Terminal 10) . This means the input is activated when the photo-eye switches +24V to Terminal 5. Using a multimeter, you can probe between Terminal 5 and Terminal 10—you should see 24V when the beam is broken.

Before wiring, verify your specific model. The "3100" typically refers to a series. Common OEM numbers include: