Equipment replacement Guide (Applicable when replacing with same type of controller)

Replacing BACnet Unit Controllers

Note: Follow the wiring procedures given in the BACnet MS/TP Wiring Best Practices (BAS-SVX051 *- EN and BAS-SVX51N-EN_04242024.pdf).

To replace BACnet unit controllers on Tracer SC+, follow these steps in order:

1. Mount the new unit controller.

2. Using a small screwdriver, set the rotary switches to match the settings on the unit controller that is being replaced.

3. Connect the input/output wiring and power supply.

4. Using a USB cable, connect the Tracer TU service tool to the controller.

5. In Tracer TU, configure the controller to be the same as the one you are replacing.

6. Connect the communication link wiring to the unit controller.

7. Connect the communication link wiring to Tracer SC+.

8. To complete the installation on Tracer SC+, navigate to the Devices page (Installation > Devices).

9. Select the check box to the left of the device to be replaced. From the actions menu, select replace device. A pop-up window appears. Click OK.