Carrier Network Service Tool V Manual May 2026

Once a controller is selected, the tool displays "Status," "Maintenance," and "Configuration" tables:

Upon first launch, you will be prompted for a license key. This is typically provided by your local Carrier distributor. Interface Configuration: Open the "Communications" menu.

Ensure the network is properly terminated with a 100-ohm resistor if you are at the end of a long wire run. Best Practices for Field Technicians Carrier Network Service Tool V Manual

Run the installer provided via the Carrier software portal or USB drive. Follow the prompts to install the CCN drivers.

💡 Use the "Upload" feature to save the current controller configuration to your laptop before making any setpoint or logic changes. This allows for a quick "Restore" if the system behaves unexpectedly after adjustments. To help you get the most out of this tool: Once a controller is selected, the tool displays

The Carrier Network Service Tool V (NST V) is a specialized diagnostic software interface designed for HVAC technicians to communicate with Carrier CCN (Carrier Comfort Network) controllers. This manual-style guide provides a comprehensive overview of how to install, configure, and utilize the tool to manage commercial building automation systems. Overview of the Service Tool V

Select the correct COM port corresponding to your USB adapter. Ensure the network is properly terminated with a

Manual overrides for testing components like fans, compressors, and valves.